wiptty

73 files changed, 2840 insertions, 0 deletions

diff --git a/src/drv/ps1/CMakeLists.txt b/src/drv/ps1/CMakeLists.txt
new file mode 100644
index 0000000..9e408de
--- /dev/null
+++ b/src/drv/ps1/CMakeLists.txt
@@ -0,0 +1,33 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+add_subdirectory(bios)
+add_subdirectory(cd)
+add_subdirectory(dma)
+add_subdirectory(gpu)
+add_subdirectory(interrupt)
+add_subdirectory(mc)
+add_subdirectory(pad)
+add_subdirectory(rcnt)
+add_subdirectory(time)
+add_library(drv_ps1)
+add_subdirectory(src)
+target_include_directories(drv_ps1 PUBLIC include PRIVATE private_include)
+target_link_libraries(drv_ps1 PUBLIC c drv_event PRIVATE
+    drv_ps1_cd
+    drv_ps1_mc
+    drv_ps1_pad
+)
diff --git a/src/drv/ps1/bios/CMakeLists.txt b/src/drv/ps1/bios/CMakeLists.txt
new file mode 100644
index 0000000..255a27d
--- /dev/null
+++ b/src/drv/ps1/bios/CMakeLists.txt
@@ -0,0 +1,19 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+add_library(drv_ps1_bios)
+add_subdirectory(src)
+target_include_directories(drv_ps1_bios INTERFACE include)
diff --git a/src/drv/ps1/bios/include/drv/ps1/bios.h b/src/drv/ps1/bios/include/drv/ps1/bios.h
new file mode 100644
index 0000000..2686f12
--- /dev/null
+++ b/src/drv/ps1/bios/include/drv/ps1/bios.h
@@ -0,0 +1,112 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef PS1_BIOS_H
+#define PS1_BIOS_H
+
+#include <stdint.h>
+
+enum
+{
+    CLASS_IRQ0 = (long)0xf0000001,
+    CLASS_GPU,
+    CLASS_CDROM,
+    CLASS_DMA,
+    CLASS_RTC0  = (long)0xf2000000,
+    CLASS_RTC1,
+    CLASS_RTC2,
+    CLASS_VBLANK,
+    CLASS_CONTROLLER = (long)0xf0000008,
+    CLASS_SPU,
+    CLASS_PIO,
+    CLASS_SIO
+};
+
+enum
+{
+    MODE_EXECUTE = 0x1000,
+    MODE_READY = 0x2000
+};
+
+enum
+{
+    SPEC_COUNTER_ZERO = 1,
+    SPEC_INTERRUPTED = 1 << 1,
+    SPEC_EOF = 1 << 2,
+    SPEC_FILE_CLOSED = 1 << 3,
+    SPEC_COMMAND_ACK = 1 << 4,
+    SPEC_COMMAND_COMPLETE = 1 << 5,
+    SPEC_DATA_READY = 1 << 6,
+    SPEC_DATA_END = 1 << 7,
+    SPEC_TIMEOUT = 1 << 8,
+    SPEC_UNKNOWN_CMD = 1 << 9,
+    SPEC_END_READ_BUF = 1 << 10,
+    SPEC_END_WRITE_BUF = 1 << 11,
+    SPEC_GENERAL_INTERRUPT = 1 << 12,
+    SPEC_NEW_DEVICE = 1 << 13,
+    SPEC_SYSCALL = 1 << 14,
+    SPEC_ERROR = 1 << 15,
+    SPEC_WRITE_ERROR,
+    SPEC_DOMAIN_ERROR = 0x301,
+    SPEC_RANGE_RNG
+};
+
+struct CdAsyncSeekL
+{
+    uint8_t minutes, seconds, frames;
+};
+
+union SetMode
+{
+    struct
+    {
+        uint8_t cdda :1, autopause :1, report :1, xa_filter :1, ignore :1,
+            whole_sector :1, xa_adpcm :1, speed :1;
+    } bits;
+
+    uint8_t mask;
+};
+
+struct CdAsyncReadSector_mode
+{
+    union SetMode mode;
+    union
+    {
+        struct
+        {
+            uint8_t reads :1, :7;
+        } bits;
+    } read;
+
+    uint16_t reserved;
+};
+
+void EnterCriticalSection(void);
+void ExitCriticalSection(void);
+int OpenEvent(int class, int spec, int mode, int (*f)(void));
+int EnableEvent(int event);
+int DisableEvent(int event);
+int CloseEvent(int event);
+int TestEvent(int event);
+int WaitEvent(int event);
+int CdAsyncGetStatus(uint8_t *response);
+int CdAsyncReadSector(unsigned count, void *dst,
+    struct CdAsyncReadSector_mode mode);
+int CdAsyncSeekL(const struct CdAsyncSeekL *seekl);
+
+#endif
diff --git a/src/drv/ps1/bios/src/CMakeLists.txt b/src/drv/ps1/bios/src/CMakeLists.txt
new file mode 100644
index 0000000..b1ea9cd
--- /dev/null
+++ b/src/drv/ps1/bios/src/CMakeLists.txt
@@ -0,0 +1,29 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+target_sources(drv_ps1_bios PRIVATE
+    CdAsyncGetStatus.s
+    CdAsyncReadSector.s
+    CdAsyncSeekL.s
+    CloseEvent.s
+    DisableEvent.s
+    EnableEvent.s
+    EnterCriticalSection.s
+    ExitCriticalSection.s
+    OpenEvent.s
+    TestEvent.s
+    WaitEvent.s
+)
diff --git a/src/drv/ps1/bios/src/CdAsyncGetStatus.s b/src/drv/ps1/bios/src/CdAsyncGetStatus.s
new file mode 100644
index 0000000..77464ea
--- /dev/null
+++ b/src/drv/ps1/bios/src/CdAsyncGetStatus.s
@@ -0,0 +1,21 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+.global CdAsyncGetStatus
+
+CdAsyncGetStatus:
+    li $9, 0x7c
+    j 0xa0
+    nop
diff --git a/src/drv/ps1/bios/src/CdAsyncReadSector.s b/src/drv/ps1/bios/src/CdAsyncReadSector.s
new file mode 100644
index 0000000..c68b54a
--- /dev/null
+++ b/src/drv/ps1/bios/src/CdAsyncReadSector.s
@@ -0,0 +1,21 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+.global CdAsyncReadSector
+
+CdAsyncReadSector:
+    li $9, 0x7e
+    j 0xa0
+    nop
diff --git a/src/drv/ps1/bios/src/CdAsyncSeekL.s b/src/drv/ps1/bios/src/CdAsyncSeekL.s
new file mode 100644
index 0000000..cc20a32
--- /dev/null
+++ b/src/drv/ps1/bios/src/CdAsyncSeekL.s
@@ -0,0 +1,21 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+.global CdAsyncSeekL
+
+CdAsyncSeekL:
+    li $9, 0x78
+    j 0xa0
+    nop
diff --git a/src/drv/ps1/bios/src/CloseEvent.s b/src/drv/ps1/bios/src/CloseEvent.s
new file mode 100644
index 0000000..0ade6fa
--- /dev/null
+++ b/src/drv/ps1/bios/src/CloseEvent.s
@@ -0,0 +1,21 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+.global CloseEvent
+
+CloseEvent:
+    li $9, 0x9
+    j 0xb0
+    nop
diff --git a/src/drv/ps1/bios/src/DisableEvent.s b/src/drv/ps1/bios/src/DisableEvent.s
new file mode 100644
index 0000000..b2d96ca
--- /dev/null
+++ b/src/drv/ps1/bios/src/DisableEvent.s
@@ -0,0 +1,21 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+.global DisableEvent
+
+DisableEvent:
+    li $9, 0xd
+    j 0xb0
+    nop
diff --git a/src/drv/ps1/bios/src/EnableEvent.s b/src/drv/ps1/bios/src/EnableEvent.s
new file mode 100644
index 0000000..bbff315
--- /dev/null
+++ b/src/drv/ps1/bios/src/EnableEvent.s
@@ -0,0 +1,23 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+.text
+
+.global EnableEvent
+
+EnableEvent:
+    li $9, 0xc
+    j 0xb0
+    nop
diff --git a/src/drv/ps1/bios/src/EnterCriticalSection.s b/src/drv/ps1/bios/src/EnterCriticalSection.s
new file mode 100644
index 0000000..ebf2de9
--- /dev/null
+++ b/src/drv/ps1/bios/src/EnterCriticalSection.s
@@ -0,0 +1,25 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+.text
+
+.global EnterCriticalSection
+
+EnterCriticalSection:
+    li $a0, 1
+    syscall
+    nop
+    jr $ra
+    nop
diff --git a/src/drv/ps1/bios/src/ExitCriticalSection.s b/src/drv/ps1/bios/src/ExitCriticalSection.s
new file mode 100644
index 0000000..53f307a
--- /dev/null
+++ b/src/drv/ps1/bios/src/ExitCriticalSection.s
@@ -0,0 +1,23 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+.global ExitCriticalSection
+
+ExitCriticalSection:
+    li $a0, 2
+    syscall
+    nop
+    jr $ra
+    nop
diff --git a/src/drv/ps1/bios/src/OpenEvent.s b/src/drv/ps1/bios/src/OpenEvent.s
new file mode 100644
index 0000000..89cc7d4
--- /dev/null
+++ b/src/drv/ps1/bios/src/OpenEvent.s
@@ -0,0 +1,21 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+.global OpenEvent
+
+OpenEvent:
+    li $9, 0x8
+    j 0xb0
+    nop
diff --git a/src/drv/ps1/bios/src/TestEvent.s b/src/drv/ps1/bios/src/TestEvent.s
new file mode 100644
index 0000000..4afe273
--- /dev/null
+++ b/src/drv/ps1/bios/src/TestEvent.s
@@ -0,0 +1,23 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+.text
+
+.global TestEvent
+
+TestEvent:
+    li $9, 0xb
+    j 0xb0
+    nop
diff --git a/src/drv/ps1/bios/src/WaitEvent.s b/src/drv/ps1/bios/src/WaitEvent.s
new file mode 100644
index 0000000..1f2ca97
--- /dev/null
+++ b/src/drv/ps1/bios/src/WaitEvent.s
@@ -0,0 +1,23 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+.text
+
+.global WaitEvent
+
+WaitEvent:
+    li $9, 0xa
+    j 0xb0
+    nop
diff --git a/src/drv/ps1/cd/CMakeLists.txt b/src/drv/ps1/cd/CMakeLists.txt
new file mode 100644
index 0000000..7459bc6
--- /dev/null
+++ b/src/drv/ps1/cd/CMakeLists.txt
@@ -0,0 +1,20 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+add_library(drv_ps1_cd)
+add_subdirectory(src)
+target_include_directories(drv_ps1_cd PUBLIC include PRIVATE private_include)
+target_link_libraries(drv_ps1_cd PUBLIC c drv_event PRIVATE drv_ps1_bios)
diff --git a/src/drv/ps1/cd/include/drv/ps1/cd.h b/src/drv/ps1/cd/include/drv/ps1/cd.h
new file mode 100644
index 0000000..6bb48f1
--- /dev/null
+++ b/src/drv/ps1/cd/include/drv/ps1/cd.h
@@ -0,0 +1,28 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef DRV_PS1_CD_H
+#define DRV_PS1_CD_H
+
+#include <drv/event.h>
+
+struct drv_ps1_cd *drv_ps1_cd_init(const struct drv_event *ev);
+int drv_ps1_cd_update(struct drv_ps1_cd *cd);
+void drv_ps1_cd_free(struct drv_ps1_cd *cd);
+
+#endif
diff --git a/src/drv/ps1/cd/private_include/drv/ps1/cd/regs.h b/src/drv/ps1/cd/private_include/drv/ps1/cd/regs.h
new file mode 100644
index 0000000..7d15f39
--- /dev/null
+++ b/src/drv/ps1/cd/private_include/drv/ps1/cd/regs.h
@@ -0,0 +1,66 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef DRV_PS1_CD_REGS_H
+#define DRV_PS1_CD_REGS_H
+
+#include <stdint.h>
+
+struct cd_reg_status
+{
+    uint8_t index :2;
+    const uint8_t ADPBUSY :1, PRMEMPT :1, PRMWRDY :1, RSLRRDY :1, DRQSTS :1,
+        BUSYSTS :1;
+};
+
+struct cd_reg_cmd
+{
+    uint8_t cmd;
+};
+
+struct cd_reg_rsp
+{
+    uint8_t rsp;
+};
+
+struct cd_reg_param
+{
+    uint8_t param;
+};
+
+union cd_reg_if
+{
+    const struct
+    {
+        uint8_t response :3, :1, cmd_start :1, :3;
+    } r;
+
+    struct
+    {
+        uint8_t ack: 5, :1, CLRPRM :1, :1;
+    } w;
+};
+
+#define CD_REG(x) (0x1f801800 + (x))
+#define CD_REG_STATUS ((volatile struct cd_reg_status *)CD_REG(0))
+#define CD_REG_CMD ((volatile struct cd_reg_cmd *)CD_REG(1))
+#define CD_REG_RSP ((const volatile struct cd_reg_rsp *)CD_REG(1))
+#define CD_REG_PARAM ((volatile struct cd_reg_param *)CD_REG(2))
+#define CD_REG_IF ((volatile union cd_reg_if *)CD_REG(3))
+
+#endif
diff --git a/src/drv/ps1/cd/private_include/drv/ps1/cd/routines.h b/src/drv/ps1/cd/private_include/drv/ps1/cd/routines.h
new file mode 100644
index 0000000..0fce7dd
--- /dev/null
+++ b/src/drv/ps1/cd/private_include/drv/ps1/cd/routines.h
@@ -0,0 +1,37 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef DRV_PS1_CD_ROUTINES_H
+#define DRV_PS1_CD_ROUTINES_H
+
+#include <drv/ps1/cd/types.h>
+#include <drv/ps1/bios.h>
+#include <stddef.h>
+
+int drv_ps1_cd_send(const struct cmd *cmd);
+int drv_ps1_cd_getstat(void);
+int drv_ps1_cd_read(void *buf, size_t n, const struct drv_event_done *done,
+    void *args);
+int drv_ps1_cd_seek(long offset, const struct drv_event_done *done,
+    void *args);
+int drv_ps1_cd_write(const void *buf, size_t n,
+    const struct drv_event_done *done, void *args);
+int drv_ps1_cd_next(void);
+struct CdAsyncSeekL drv_ps1_cd_toseekl(unsigned i);
+
+#endif
diff --git a/src/drv/ps1/cd/private_include/drv/ps1/cd/types.h b/src/drv/ps1/cd/private_include/drv/ps1/cd/types.h
new file mode 100644
index 0000000..4446305
--- /dev/null
+++ b/src/drv/ps1/cd/private_include/drv/ps1/cd/types.h
@@ -0,0 +1,122 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef DRV_PS1_CD_TYPES_H
+#define DRV_PS1_CD_TYPES_H
+
+#include <drv/event.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+struct drv_ps1_cd
+{
+    bool available;
+    struct drv_event ev;
+};
+
+struct cmd
+{
+    enum
+    {
+        CMD_SYNC,
+        CMD_GETSTAT,
+        CMD_SETLOC,
+    } cmd;
+
+    union cmd_param
+    {
+        struct cmd_setloc
+        {
+            uint8_t min, sec, sect;
+        } setloc;
+    } params;
+};
+
+struct cd_prv_getstat
+{
+    int event;
+
+    union
+    {
+        struct
+        {
+            uint8_t invalid :1, motor :1, seek_error :1, id_error :1,
+                shell_open :1, reading :1, seeking :1, playing_cdda :1;
+        } bits;
+
+        uint8_t byte;
+    } status;
+};
+
+struct cd_prv_read
+{
+    int event, endevent, errevent;
+};
+
+struct cd_prv_seek
+{
+    int event, errevent;
+};
+
+struct cd_req_read
+{
+    void *buf;
+    size_t n;
+};
+
+struct cd_req_seek
+{
+    long offset;
+};
+
+struct cd_req
+{
+    union
+    {
+        struct cd_req_read read;
+        struct cd_req_seek seek;
+    } u;
+
+    int (*f)(void);
+    struct drv_event_done done;
+    struct cd_req *next;
+};
+
+enum {CD_SECTOR_SZ = 2048};
+
+struct cd_prv
+{
+    bool available, has_cache;
+    int (*next)(void);
+    struct cmd cmd;
+    struct cd_req *head, *tail;
+    char sector[CD_SECTOR_SZ];
+    unsigned offset;
+
+    union
+    {
+        struct cd_prv_getstat getstat;
+        struct cd_prv_read read;
+        struct cd_prv_seek seek;
+    } u;
+};
+
+extern struct cd_prv drv_ps1_cd_prv;
+
+#endif
diff --git a/src/drv/ps1/cd/src/CMakeLists.txt b/src/drv/ps1/cd/src/CMakeLists.txt
new file mode 100644
index 0000000..074671d
--- /dev/null
+++ b/src/drv/ps1/cd/src/CMakeLists.txt
@@ -0,0 +1,29 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+target_sources(drv_ps1_cd PRIVATE
+    free.c
+    getstat.c
+    init.c
+    next.c
+    prv.c
+    # send.c
+    read.c
+    seek.c
+    toseekl.c
+    update.c
+    write.c
+)
diff --git a/src/drv/ps1/cd/src/ensure_event.c b/src/drv/ps1/cd/src/ensure_event.c
new file mode 100644
index 0000000..5e2f3a0
--- /dev/null
+++ b/src/drv/ps1/cd/src/ensure_event.c
@@ -0,0 +1,40 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/ps1/bios.h>
+#include <drv/ps1/cd/types.h>
+#include <stddef.h>
+
+int drv_ps1_cd_ensure_event(struct cd_prv *const p)
+{
+    if (p->event)
+        return 0;
+
+    EnterCriticalSection();
+
+    const int event = OpenEvent(CLASS_CDROM, SPEC_COMMAND_COMPLETE, MODE_READY,
+        NULL);
+
+    ExitCriticalSection();
+
+    if (event == -1)
+        return -1;
+
+    EnableEvent(p->event = event);
+    return 0;
+}
diff --git a/src/drv/ps1/cd/src/free.c b/src/drv/ps1/cd/src/free.c
new file mode 100644
index 0000000..44704d7
--- /dev/null
+++ b/src/drv/ps1/cd/src/free.c
@@ -0,0 +1,23 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/ps1/cd.h>
+
+void drv_ps1_cd_free(struct drv_ps1_cd *const cd)
+{
+}
diff --git a/src/drv/ps1/cd/src/getstat.c b/src/drv/ps1/cd/src/getstat.c
new file mode 100644
index 0000000..6268f37
--- /dev/null
+++ b/src/drv/ps1/cd/src/getstat.c
@@ -0,0 +1,65 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/ps1/cd/routines.h>
+#include <drv/ps1/bios.h>
+
+static int wait_event(void)
+{
+    struct cd_prv *const p = &drv_ps1_cd_prv;
+    struct cd_prv_getstat *const g = &p->u.getstat;
+
+    if (TestEvent(g->event))
+    {
+        p->available = !g->status.bits.shell_open;
+        DisableEvent(g->event);
+        CloseEvent(g->event);
+
+        if (!p->head)
+            return drv_ps1_cd_getstat();
+
+        return p->head->f();
+    }
+
+    return 0;
+}
+
+int drv_ps1_cd_getstat(void)
+{
+    struct cd_prv *const p = &drv_ps1_cd_prv;
+    struct cd_prv_getstat *const g = &p->u.getstat;
+
+    EnterCriticalSection();
+
+    const int event = OpenEvent(CLASS_CDROM, SPEC_COMMAND_COMPLETE,
+        MODE_READY, NULL);
+
+    ExitCriticalSection();
+
+    if (event == -1)
+        return -1;
+
+    *g = (const struct cd_prv_getstat){.event = event};
+    EnableEvent(event);
+
+    if (!CdAsyncGetStatus(&g->status.byte))
+        return -1;
+
+    p->next = wait_event;
+    return 0;
+}
diff --git a/src/drv/ps1/cd/src/init.c b/src/drv/ps1/cd/src/init.c
new file mode 100644
index 0000000..896e330
--- /dev/null
+++ b/src/drv/ps1/cd/src/init.c
@@ -0,0 +1,42 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/ps1/cd.h>
+#include <drv/ps1/cd/routines.h>
+#include <drv/ps1/cd/types.h>
+#include <drv/event.h>
+#include <stddef.h>
+#include <stdlib.h>
+
+struct drv_ps1_cd *drv_ps1_cd_init(const struct drv_event *const ev)
+{
+    struct drv_ps1_cd *const ret = malloc(sizeof *ret);
+    struct cd_prv *const p = &drv_ps1_cd_prv;
+
+    if (!ret)
+        return NULL;
+    else if (!p->next && drv_ps1_cd_getstat())
+        goto failure;
+
+    *ret = (const struct drv_ps1_cd){.ev = *ev};
+    return ret;
+
+failure:
+    free(ret);
+    return NULL;
+}
diff --git a/src/drv/ps1/cd/src/next.c b/src/drv/ps1/cd/src/next.c
new file mode 100644
index 0000000..0923be9
--- /dev/null
+++ b/src/drv/ps1/cd/src/next.c
@@ -0,0 +1,38 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/ps1/cd.h>
+#include <drv/ps1/cd/routines.h>
+#include <drv/ps1/cd/types.h>
+#include <stdlib.h>
+
+int drv_ps1_cd_next(void)
+{
+    int ret = 0;
+    struct cd_prv *const p = &drv_ps1_cd_prv;
+    struct cd_req *const next = p->head->next;
+
+    free(p->head);
+
+    if (next && (ret = next->f()))
+        return -1;
+    else if (!(p->head = next))
+        return drv_ps1_cd_getstat();
+
+    return ret;
+}
diff --git a/src/drv/ps1/cd/src/prv.c b/src/drv/ps1/cd/src/prv.c
new file mode 100644
index 0000000..dd70709
--- /dev/null
+++ b/src/drv/ps1/cd/src/prv.c
@@ -0,0 +1,22 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/ps1/cd.h>
+#include <drv/ps1/cd/types.h>
+
+struct cd_prv drv_ps1_cd_prv;
diff --git a/src/drv/ps1/cd/src/read.c b/src/drv/ps1/cd/src/read.c
new file mode 100644
index 0000000..251481e
--- /dev/null
+++ b/src/drv/ps1/cd/src/read.c
@@ -0,0 +1,155 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/ps1/cd.h>
+#include <drv/ps1/cd/routines.h>
+#include <drv/ps1/cd/types.h>
+#include <drv/event.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+static int deliver_event(struct cd_prv *const p, const int error)
+{
+    const struct cd_prv_read *const read = &p->u.read;
+    const struct cd_req *const req = p->head;
+    const struct drv_event_done *const d = &req->done;
+
+    if (!error)
+    {
+        const struct cd_req_read *const rr = &req->u.read;
+        const long offset = p->offset % CD_SECTOR_SZ;
+
+        memcpy(rr->buf, p->sector + offset, rr->n);
+        p->has_cache = true;
+        p->offset += rr->n;
+    }
+
+    if (d->f(error, d->args) || drv_ps1_cd_next())
+        return -1;
+
+    return 0;
+}
+
+static int wait_event(void)
+{
+    int ret = 0;
+    struct cd_prv *const p = &drv_ps1_cd_prv;
+    const struct cd_prv_read *const read = &p->u.read;
+
+    if (TestEvent(read->event))
+        return deliver_event(p, SUCCESS);
+    else if (TestEvent(read->errevent) || TestEvent(read->endevent))
+        return deliver_event(p, EIO);
+
+    return 0;
+}
+
+static int start_read(void)
+{
+    struct cd_prv *const p = &drv_ps1_cd_prv;
+    struct cd_prv_read *const r = &p->u.read;
+    const struct cd_req_read *req = &p->head->u.read;
+    const struct CdAsyncReadSector_mode mode =
+    {
+        .mode.bits.speed = 1,
+    };
+
+    EnterCriticalSection();
+
+    const int
+        event = OpenEvent(CLASS_CDROM, SPEC_COMMAND_COMPLETE, MODE_READY, NULL),
+        endevent = OpenEvent(CLASS_CDROM, SPEC_DATA_END, MODE_READY, NULL),
+        errevent = OpenEvent(CLASS_CDROM, SPEC_ERROR, MODE_READY, NULL);
+
+    ExitCriticalSection();
+
+    if (event == -1 || endevent == -1 || errevent == -1)
+        goto failure;
+
+    *r = (const struct cd_prv_read)
+    {
+        .event = event,
+        .endevent = endevent,
+        .errevent = errevent
+    };
+
+    EnableEvent(event);
+    EnableEvent(endevent);
+    EnableEvent(errevent);
+
+    if (!CdAsyncReadSector(1, p->sector, mode))
+        goto failure;
+
+    p->next = wait_event;
+    return 0;
+
+failure:
+    if (event != -1)
+        CloseEvent(event);
+
+    if (endevent != -1)
+        CloseEvent(endevent);
+
+    if (errevent != -1)
+        CloseEvent(errevent);
+
+    return -1;
+}
+
+static int read_cache(void)
+{
+    struct cd_prv *const p = &drv_ps1_cd_prv;
+    const struct cd_req *const req = p->head;
+    const struct cd_req_read *const rr = &req->u.read;
+    const long offset = p->offset % CD_SECTOR_SZ;
+
+    memcpy(rr->buf, p->sector + offset, rr->n);
+    p->offset += rr->n;
+    return deliver_event(p, SUCCESS);
+}
+
+int drv_ps1_cd_read(void *const buf, const size_t n,
+    const struct drv_event_done *const done, void *const args)
+{
+    struct cd_prv *const p = &drv_ps1_cd_prv;
+    struct cd_req *const r = malloc(sizeof *r);
+
+    if (!r)
+        return -1;
+
+    *r = (const struct cd_req)
+    {
+        .done = *done,
+        /* TODO: multi-sector reads, make sure cache can really be used */
+        .f = p->has_cache ? read_cache : start_read,
+        .u.read =
+        {
+            .buf = buf,
+            .n = n
+        }
+    };
+
+    if (!p->head)
+        p->head = r;
+    else
+        p->tail->next = r;
+
+    p->tail = r;
+    return 0;
+}
diff --git a/src/drv/ps1/cd/src/seek.c b/src/drv/ps1/cd/src/seek.c
new file mode 100644
index 0000000..e26a684
--- /dev/null
+++ b/src/drv/ps1/cd/src/seek.c
@@ -0,0 +1,118 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/ps1/cd.h>
+#include <drv/ps1/cd/routines.h>
+#include <drv/ps1/cd/types.h>
+#include <drv/ps1/bios.h>
+#include <drv/event.h>
+#include <errno.h>
+#include <stdlib.h>
+
+static int wait_event(void)
+{
+    int ret = 0;
+    struct cd_prv *const p = &drv_ps1_cd_prv;
+    const struct cd_prv_seek *const s = &p->u.seek;
+    const struct cd_req *const r = p->head;
+    const struct drv_event_done *const d = &r->done;
+
+    if (TestEvent(s->event))
+    {
+        p->offset = r->u.seek.offset;
+
+        if (d->f(0, d->args) || drv_ps1_cd_next())
+            return -1;
+    }
+    else if (TestEvent(s->errevent))
+    {
+        if (d->f(EIO, d->args) || drv_ps1_cd_next())
+            return -1;
+    }
+
+    return 0;
+}
+
+static int seek(void)
+{
+    struct cd_prv *const p = &drv_ps1_cd_prv;
+    struct cd_prv_seek *const s = &p->u.seek;
+    const struct cd_req_seek *req = &p->head->u.seek;
+    const unsigned sector = req->offset / CD_SECTOR_SZ;
+    const struct CdAsyncSeekL seekl = drv_ps1_cd_toseekl(sector);
+
+    EnterCriticalSection();
+
+    const int
+        event = OpenEvent(CLASS_CDROM, SPEC_COMMAND_COMPLETE, MODE_READY, NULL),
+        errevent = OpenEvent(CLASS_CDROM, SPEC_ERROR, MODE_READY, NULL);
+
+    ExitCriticalSection();
+
+    if (event == -1 || errevent == -1)
+        goto failure;
+
+    *s = (const struct cd_prv_seek)
+    {
+        .event = event,
+        .errevent = errevent
+    };
+
+    EnableEvent(event);
+    EnableEvent(errevent);
+
+    if (!CdAsyncSeekL(&seekl))
+        goto failure;
+
+    p->next = wait_event;
+    return 0;
+
+failure:
+    if (event != -1)
+        CloseEvent(event);
+
+    if (errevent != -1)
+        CloseEvent(errevent);
+
+    return -1;
+}
+
+int drv_ps1_cd_seek(const long offset, const struct drv_event_done *const done,
+    void *const args)
+{
+    struct cd_prv *const p = &drv_ps1_cd_prv;
+    struct cd_req *const r = malloc(sizeof *r);
+
+    if (!r)
+        return -1;
+
+    *r = (const struct cd_req)
+    {
+        .done = *done,
+        .u.seek = offset,
+        .f = seek
+    };
+
+    if (!p->head)
+        p->head = r;
+    else
+        p->tail->next = r;
+
+    p->tail = r;
+    return 0;
+}
diff --git a/src/drv/ps1/cd/src/send.c b/src/drv/ps1/cd/src/send.c
new file mode 100644
index 0000000..76b9730
--- /dev/null
+++ b/src/drv/ps1/cd/src/send.c
@@ -0,0 +1,100 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/ps1/cd.h>
+#include <drv/ps1/bios.h>
+#include <drv/ps1/cd/regs.h>
+#include <drv/ps1/cd/routines.h>
+#include <drv/ps1/cd/types.h>
+#include <stdint.h>
+
+static int wait_event(void)
+{
+    struct cd_prv *const p = &drv_ps1_cd_prv;
+
+    if (TestEvent(p->event))
+    {
+        const union cd_prv_getstat g = {.status = CD_REG_RSP->rsp};
+
+        p->available = !g.bits.shell_open;
+    }
+
+    return 0;
+}
+
+static void send_params(const struct cd_prv *const p)
+{
+    static const size_t n[] =
+    {
+        [CMD_SETLOC] = sizeof (struct cmd_setloc)
+    };
+
+    const uint8_t cmd = p->cmd.cmd, index = CD_REG_STATUS->index;
+
+    if (cmd < sizeof n / sizeof *n)
+    {
+        const void *const vbuf = &p->cmd.params;
+        const uint8_t *buf = vbuf;
+
+        CD_REG_STATUS->index = 0;
+
+        for (size_t i = 0; i < n[cmd]; i++)
+            CD_REG_PARAM->param = *buf++;
+
+        CD_REG_STATUS->index = index;
+    }
+}
+
+static int send_data(void)
+{
+    struct cd_prv *const p = &drv_ps1_cd_prv;
+
+    if (CD_REG_STATUS->BUSYSTS)
+        return 0;
+
+    send_params(p);
+    CD_REG_CMD->cmd = p->cmd.cmd;
+    p->next = wait_event;
+    return 0;
+}
+
+static int reset_param_fifo(void)
+{
+    struct cd_prv *const p = &drv_ps1_cd_prv;
+
+    if (CD_REG_STATUS->BUSYSTS)
+        return 0;
+
+    CD_REG_IF->w.ack = 0x1f;
+    CD_REG_STATUS->index = 1;
+    CD_REG_IF->w.CLRPRM = 1;
+    p->next = send_data;
+    return 0;
+}
+
+int drv_ps1_cd_send(const struct cmd *const cmd)
+{
+    struct cd_prv *const p = &drv_ps1_cd_prv;
+
+    if (drv_ps1_cd_ensure_event(p))
+        return -1;
+
+    p->cmd = *cmd;
+    p->next = reset_param_fifo;
+    return 0;
+}
diff --git a/src/drv/ps1/cd/src/toseekl.c b/src/drv/ps1/cd/src/toseekl.c
new file mode 100644
index 0000000..df35ff1
--- /dev/null
+++ b/src/drv/ps1/cd/src/toseekl.c
@@ -0,0 +1,54 @@
+/* Original functions from psn00bsdk, commit 5d9aa2d3
+ *
+ * itob extracted from libpsn00b/include/psxcd.h
+ * CdIntToPos (here renamed to drv_ps1_cd_toseekl) extracted from
+ * libpsn00b/psxcd/misc.c
+ *
+ * Original copyright notice:
+ *
+ * PSn00bSDK CD-ROM library
+ * (C) 2020-2023 Lameguy64, spicyjpeg - MPL licensed
+ */
+
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/ps1/cd/routines.h>
+#include <drv/ps1/bios.h>
+
+/**
+ * @brief Translates a decimal value to BCD.
+ *
+ * @details Translates a decimal integer in 0-99 range into a BCD format value.
+ */
+static int itob(const int i)
+{
+    return (i / 10 * 16) | (i % 10);
+}
+
+struct CdAsyncSeekL drv_ps1_cd_toseekl(unsigned i)
+{
+	i += 150;
+
+    return (const struct CdAsyncSeekL)
+    {
+        .minutes = itob(i / (75 * 60)),
+        .seconds = itob((i / 75) % 60),
+        .frames = itob(i % 75)
+    };
+}
diff --git a/src/drv/ps1/cd/src/update.c b/src/drv/ps1/cd/src/update.c
new file mode 100644
index 0000000..2c3d2ff
--- /dev/null
+++ b/src/drv/ps1/cd/src/update.c
@@ -0,0 +1,46 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/ps1/cd.h>
+#include <drv/ps1/cd/types.h>
+#include <drv/ps1/cd/routines.h>
+#include <drv/event.h>
+#include <stdbool.h>
+
+int drv_ps1_cd_update(struct drv_ps1_cd *const cd)
+{
+    struct cd_prv *const p = &drv_ps1_cd_prv;
+
+    if (p->next())
+        return -1;
+    else if (p->available ^ cd->available)
+    {
+        const struct drv_event *const ev = &cd->ev;
+        static const struct drv_event_ops ops =
+        {
+            .read = drv_ps1_cd_read,
+            .write = drv_ps1_cd_write,
+            .seek = drv_ps1_cd_seek
+        };
+
+        ev->status("cd0", &ops, p->available, ev->args);
+        cd->available = p->available;
+    }
+
+    return 0;
+}
diff --git a/src/drv/ps1/cd/src/write.c b/src/drv/ps1/cd/src/write.c
new file mode 100644
index 0000000..008a13d
--- /dev/null
+++ b/src/drv/ps1/cd/src/write.c
@@ -0,0 +1,31 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/ps1/cd.h>
+#include <drv/ps1/cd/routines.h>
+#include <drv/ps1/cd/types.h>
+#include <drv/event.h>
+#include <errno.h>
+
+int drv_ps1_cd_write(const void *const buf, const size_t n,
+    const struct drv_event_done *const done, void *const args)
+{
+    /* TODO: write event callback returning EROFS */
+    errno = EROFS;
+    return -1;
+}
diff --git a/src/drv/ps1/dma/CMakeLists.txt b/src/drv/ps1/dma/CMakeLists.txt
new file mode 100644
index 0000000..689beed
--- /dev/null
+++ b/src/drv/ps1/dma/CMakeLists.txt
@@ -0,0 +1,18 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+add_library(drv_ps1_dma INTERFACE)
+target_include_directories(drv_ps1_dma INTERFACE include)
diff --git a/src/drv/ps1/dma/include/drv/ps1/dma.h b/src/drv/ps1/dma/include/drv/ps1/dma.h
new file mode 100644
index 0000000..8ae1826
--- /dev/null
+++ b/src/drv/ps1/dma/include/drv/ps1/dma.h
@@ -0,0 +1,97 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef DRV_PS1_DMA_H
+#define DRV_PS1_DMA_H
+
+#include <stdint.h>
+
+union dpcr
+{
+    struct
+    {
+        uint32_t mdecin_prio :3, mdecin_en :1, mdecout_prio :3, mdecout_en :1,
+            gpu_prio :3, gpu_en :1, cdrom_prio :3, cdrom_en :1, spu_prio :3,
+            spu_en :1, pio_prio :3, pio_en :1, otc_prio :3, otc_en :1, :4;
+    } bits;
+
+    uint32_t mask;
+};
+
+union madr
+{
+    struct
+    {
+        uint32_t addr :24, :8;
+    } bits;
+
+    uint32_t mask;
+};
+
+union bcr
+{
+    struct
+    {
+        uint16_t nwords, reserved;
+    } syncmode_0;
+
+    struct
+    {
+        uint16_t blocksz, nblocks;
+    } syncmode_1;
+
+    struct
+    {
+        uint32_t reserved;
+    } syncmode_2;
+
+    uint32_t mask;
+};
+
+enum
+{
+    CHCR_DIR_TO_RAM,
+    CHCR_DIR_FROM_RAM
+};
+
+enum
+{
+    CHCR_SYNC_MODE_ALL,
+    CHCR_SYNC_MODE_BLOCKS,
+    CHCR_SYNC_MODE_LINKED_LIST
+};
+
+union chcr
+{
+    struct
+    {
+        uint32_t dir :1, memstep :1, :6, chopping :1, sync_mode :2, :5,
+            chopping_dma_window_sz :3, :1, chopping_cpu_window_sz :3, :1,
+            start_busy :1, :3, start_trigger :1, :3;
+    } bits;
+
+    uint32_t mask;
+};
+
+#define DMA_BASE(dma, off) ((dma) * 0x10 + 0x1f801080 + (off))
+#define D2_MADR ((volatile union madr *)DMA_BASE(2, 0))
+#define D2_BCR ((volatile union bcr *)DMA_BASE(2, 4))
+#define D2_CHCR ((volatile union chcr *)DMA_BASE(2, 8))
+#define DPCR ((volatile union dpcr *)0x1f8010f0)
+
+#endif
diff --git a/src/drv/ps1/gpu/CMakeLists.txt b/src/drv/ps1/gpu/CMakeLists.txt
new file mode 100644
index 0000000..9dead67
--- /dev/null
+++ b/src/drv/ps1/gpu/CMakeLists.txt
@@ -0,0 +1,18 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+add_library(drv_ps1_gpu INTERFACE)
+target_include_directories(drv_ps1_gpu INTERFACE include)
diff --git a/src/drv/ps1/gpu/include/drv/ps1/gpu.h b/src/drv/ps1/gpu/include/drv/ps1/gpu.h
new file mode 100644
index 0000000..0f64a7f
--- /dev/null
+++ b/src/drv/ps1/gpu/include/drv/ps1/gpu.h
@@ -0,0 +1,167 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef DRV_PS1_GPU_H
+#define DRV_PS1_GPU_H
+
+#include <stdint.h>
+
+enum
+{
+    GP0_TEXTRECT_VARSZ_OPAQ_RAW = 0x65,
+    GP0_COPY_RECT_CPU_VRAM = 0xa0,
+    GP0_COPY_RECT_VRAM_CPU = 0xc0,
+    GP0_DRAW_MODE = 0xe1,
+    GP0_TEX_WINDOW,
+    GP0_DRAW_AREA_TOP_LEFT,
+    GP0_DRAW_AREA_BOTTOM_RIGHT,
+    GP0_DRAW_OFFSET,
+    GP0_DRAW_MASK_BIT
+};
+
+enum
+{
+    GP1_RESET_GPU,
+    GP1_RESET_CMDBUF,
+    GP1_ACK_IRQ,
+    GP1_DISPLAY_ENABLE,
+    GP1_DMA_DIR,
+    GP1_START_DISPLAY_AREA,
+    GP1_H_DISPLAY_RANGE,
+    GP1_V_DISPLAY_RANGE,
+    GP1_DISPLAY_MODE
+};
+
+enum
+{
+    GP1_DMA_DIR_OFF,
+    GP1_DMA_DIR_FIFO,
+    GP1_DMA_DIR_CPU_TO_GP0,
+    GP1_DMA_DIR_GPUREAD_TO_CPU
+};
+
+union drv_ps1_gpu_gp0
+{
+    uint32_t mask;
+
+    struct
+    {
+        uint32_t :24, cmd :8;
+    } copy_rect;
+
+    struct
+    {
+        uint16_t x, y;
+    } coord;
+
+    struct
+    {
+        uint16_t w, h;
+    } size;
+
+    struct
+    {
+        uint32_t page_x :4, page_y :1, stp :2, bpp :2, dither :1,
+            draw_to_display :1, tex_disable :1, xflip :1, yflip :1, :10,
+            cmd :8;
+    } draw_mode;
+
+    struct
+    {
+        uint32_t mask_x :5, mask_y :5, off_x :5, off_y :5, :4, cmd :8;
+    } tex_window;
+
+    struct
+    {
+        uint32_t x :10, y :9, :5, cmd :8;
+    } draw_area_tl, draw_area_br;
+
+    struct
+    {
+        int32_t x :11, y :11, :2, cmd :8;
+    } offset;
+
+    struct
+    {
+        uint32_t set :1, check :1, :22, cmd :8;
+    } mask_bit;
+};
+
+union drv_ps1_gpu_gp1
+{
+    uint32_t mask;
+
+    struct
+    {
+        uint32_t :24, cmd:8;
+    } reset_gpu, reset_cmdbuf, ack_irq;
+
+    struct
+    {
+        uint32_t disable :1, :23, cmd :8;
+    } display;
+
+    struct
+    {
+        uint32_t dir :2, :22, cmd :8;
+    } dma;
+
+    struct
+    {
+        uint32_t x :10, y :9, :5, cmd :8;
+    } disparea;
+
+    struct
+    {
+        uint32_t x1 :12, x2 :12, cmd :8;
+    } h_display_range;
+
+    struct
+    {
+        uint32_t y1 :10, y2 :10, :4, cmd :8;
+    } v_display_range;
+
+    struct
+    {
+        uint32_t hres :2, vres :1, vmode :1, coldepth :1, vinterlace :1,
+            hres2 :1, reverse :1, :16, cmd :8;
+    } display_mode;
+};
+
+union drv_ps1_gpu_stat
+{
+    struct
+    {
+        uint32_t x_base :4, y_base :1, stp :2, bpp :2, dither :1,
+            draw_to_display :1, set_mask :1, draw_pix :1, interlace :1,
+            reverse :1, disable :1, xres2 :1, xres1 :2, yres :1, vmode :1,
+            coldepth :1, vinterlace :1, display_enable :1, irq_req :1,
+            dma_req :1, ready_cmd :1, ready_send :1, ready_recv :1,
+            ready_dma :1, dma_dir :2, draw_odd :1;
+    } bits;
+
+    uint32_t mask;
+};
+
+#define GPU_BASE 0x1f801810
+#define GPU_REG(x) (GPU_BASE + (x))
+#define GP0 ((volatile union drv_ps1_gpu_gp0 *)GPU_REG(0))
+#define GP1 ((volatile union drv_ps1_gpu_gp1 *)GPU_REG(4))
+#define GPUSTAT ((volatile const union drv_ps1_gpu_stat *)GPU_REG(4))
+
+#endif
diff --git a/src/drv/ps1/include/drv/ps1.h b/src/drv/ps1/include/drv/ps1.h
new file mode 100644
index 0000000..951259a
--- /dev/null
+++ b/src/drv/ps1/include/drv/ps1.h
@@ -0,0 +1,28 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef DRV_PS1_H
+#define DRV_PS1_H
+
+#include <drv/event.h>
+
+struct drv_port *drv_ps1_init(const struct drv_event *ev);
+int drv_ps1_update(struct drv_port *p);
+void drv_ps1_free(struct drv_port *p);
+
+#endif
diff --git a/src/drv/ps1/interrupt/CMakeLists.txt b/src/drv/ps1/interrupt/CMakeLists.txt
new file mode 100644
index 0000000..29becb8
--- /dev/null
+++ b/src/drv/ps1/interrupt/CMakeLists.txt
@@ -0,0 +1,19 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+add_library(drv_ps1_interrupt INTERFACE)
+target_include_directories(drv_ps1_interrupt INTERFACE include)
+target_link_libraries(drv_ps1_interrupt INTERFACE c)
diff --git a/src/drv/ps1/interrupt/include/drv/ps1/interrupt.h b/src/drv/ps1/interrupt/include/drv/ps1/interrupt.h
new file mode 100644
index 0000000..9e0bfb4
--- /dev/null
+++ b/src/drv/ps1/interrupt/include/drv/ps1/interrupt.h
@@ -0,0 +1,39 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef DRV_PS1_INTERRUPT_H
+#define DRV_PS1_INTERRUPT_H
+
+#include <stdint.h>
+
+union drv_ps1_interrupt
+{
+    struct
+    {
+        uint32_t vblank :1, gpu :1, cdrom :1, dma :1, tmr0 :1, tmr1 :1, tmr2 :1,
+            controller :1, sio :1, spu :1, lightpen :1, :21;
+    } bits;
+
+    uint32_t mask;
+};
+
+#define I_BASE(x) (0x1f801070 + (x))
+#define I_STAT ((volatile union drv_ps1_interrupt *)I_BASE(0))
+#define I_MASK ((volatile union drv_ps1_interrupt *)I_BASE(4))
+
+#endif
diff --git a/src/drv/ps1/mc/CMakeLists.txt b/src/drv/ps1/mc/CMakeLists.txt
new file mode 100644
index 0000000..13ae399
--- /dev/null
+++ b/src/drv/ps1/mc/CMakeLists.txt
@@ -0,0 +1,20 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+add_library(drv_ps1_mc)
+add_subdirectory(src)
+target_include_directories(drv_ps1_mc PUBLIC include PRIVATE private_include)
+target_link_libraries(drv_ps1_mc PUBLIC c drv_event)
diff --git a/src/drv/ps1/mc/include/drv/ps1/mc.h b/src/drv/ps1/mc/include/drv/ps1/mc.h
new file mode 100644
index 0000000..637bd37
--- /dev/null
+++ b/src/drv/ps1/mc/include/drv/ps1/mc.h
@@ -0,0 +1,28 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef DRV_PS1_MC_H
+#define DRV_PS1_MC_H
+
+#include <drv/event.h>
+
+struct drv_ps1_mc *drv_ps1_mc_init(const struct drv_event *ev);
+int drv_ps1_mc_update(struct drv_ps1_mc *mc);
+void drv_ps1_mc_free(struct drv_ps1_mc *mc);
+
+#endif
diff --git a/src/drv/ps1/mc/private_include/drv/ps1/mc/types.h b/src/drv/ps1/mc/private_include/drv/ps1/mc/types.h
new file mode 100644
index 0000000..920e55a
--- /dev/null
+++ b/src/drv/ps1/mc/private_include/drv/ps1/mc/types.h
@@ -0,0 +1,37 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef DRV_PS1_MC_TYPES_H
+#define DRV_PS1_MC_TYPES_H
+
+#include <drv/event.h>
+
+struct drv_ps1_mc
+{
+    const struct drv_event *ev;
+};
+
+enum
+{
+    MC_0,
+    MC_1,
+
+    N_MC
+};
+
+#endif
diff --git a/src/drv/ps1/mc/src/CMakeLists.txt b/src/drv/ps1/mc/src/CMakeLists.txt
new file mode 100644
index 0000000..6eb62be
--- /dev/null
+++ b/src/drv/ps1/mc/src/CMakeLists.txt
@@ -0,0 +1,21 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+target_sources(drv_ps1_mc PRIVATE
+    free.c
+    init.c
+    update.c
+)
diff --git a/src/drv/ps1/mc/src/free.c b/src/drv/ps1/mc/src/free.c
new file mode 100644
index 0000000..924e1bf
--- /dev/null
+++ b/src/drv/ps1/mc/src/free.c
@@ -0,0 +1,23 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/ps1/mc.h>
+
+void drv_ps1_mc_free(struct drv_ps1_mc *const mc)
+{
+}
diff --git a/src/drv/ps1/mc/src/init.c b/src/drv/ps1/mc/src/init.c
new file mode 100644
index 0000000..4bb034a
--- /dev/null
+++ b/src/drv/ps1/mc/src/init.c
@@ -0,0 +1,34 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/ps1/mc.h>
+#include <drv/ps1/mc/types.h>
+#include <drv/event.h>
+#include <stddef.h>
+#include <stdlib.h>
+
+struct drv_ps1_mc *drv_ps1_mc_init(const struct drv_event *const ev)
+{
+    struct drv_ps1_mc *const ret = malloc(sizeof *ret);
+
+    if (!ret)
+        return NULL;
+
+    *ret = (const struct drv_ps1_mc){.ev = ev};
+    return ret;
+}
diff --git a/src/drv/ps1/mc/src/update.c b/src/drv/ps1/mc/src/update.c
new file mode 100644
index 0000000..f4b29d9
--- /dev/null
+++ b/src/drv/ps1/mc/src/update.c
@@ -0,0 +1,26 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/ps1/mc.h>
+#include <drv/event.h>
+
+int drv_ps1_mc_update(struct drv_ps1_mc *const mc)
+{
+    /* TODO */
+    return 0;
+}
diff --git a/src/drv/ps1/pad/CMakeLists.txt b/src/drv/ps1/pad/CMakeLists.txt
new file mode 100644
index 0000000..cd25672
--- /dev/null
+++ b/src/drv/ps1/pad/CMakeLists.txt
@@ -0,0 +1,20 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+add_library(drv_ps1_pad)
+add_subdirectory(src)
+target_include_directories(drv_ps1_pad PUBLIC include PRIVATE private_include)
+target_link_libraries(drv_ps1_pad PUBLIC c drv_event)
diff --git a/src/drv/ps1/pad/include/drv/ps1/pad.h b/src/drv/ps1/pad/include/drv/ps1/pad.h
new file mode 100644
index 0000000..d8070de
--- /dev/null
+++ b/src/drv/ps1/pad/include/drv/ps1/pad.h
@@ -0,0 +1,28 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef DRV_PS1_PAD_H
+#define DRV_PS1_PAD_H
+
+#include <drv/event.h>
+
+struct drv_ps1_pad *drv_ps1_pad_init(const struct drv_event *ev);
+int drv_ps1_pad_update(struct drv_ps1_pad *pad);
+void drv_ps1_pad_free(struct drv_ps1_pad *pad);
+
+#endif
diff --git a/src/drv/ps1/pad/private_include/drv/ps1/pad/types.h b/src/drv/ps1/pad/private_include/drv/ps1/pad/types.h
new file mode 100644
index 0000000..b79e344
--- /dev/null
+++ b/src/drv/ps1/pad/private_include/drv/ps1/pad/types.h
@@ -0,0 +1,29 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef DRV_PS1_PAD_TYPES_H
+#define DRV_PS1_PAD_TYPES_H
+
+#include <drv/event.h>
+
+struct drv_ps1_pad
+{
+    const struct drv_event *ev;
+};
+
+#endif
diff --git a/src/drv/ps1/pad/src/CMakeLists.txt b/src/drv/ps1/pad/src/CMakeLists.txt
new file mode 100644
index 0000000..9da3661
--- /dev/null
+++ b/src/drv/ps1/pad/src/CMakeLists.txt
@@ -0,0 +1,21 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+target_sources(drv_ps1_pad PRIVATE
+    free.c
+    init.c
+    update.c
+)
diff --git a/src/drv/ps1/pad/src/free.c b/src/drv/ps1/pad/src/free.c
new file mode 100644
index 0000000..925e23a
--- /dev/null
+++ b/src/drv/ps1/pad/src/free.c
@@ -0,0 +1,23 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/ps1/pad.h>
+
+void drv_ps1_pad_free(struct drv_ps1_pad *const pad)
+{
+}
diff --git a/src/drv/ps1/pad/src/init.c b/src/drv/ps1/pad/src/init.c
new file mode 100644
index 0000000..3d2bd51
--- /dev/null
+++ b/src/drv/ps1/pad/src/init.c
@@ -0,0 +1,34 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/ps1/pad.h>
+#include <drv/ps1/pad/types.h>
+#include <drv/event.h>
+#include <stddef.h>
+#include <stdlib.h>
+
+struct drv_ps1_pad *drv_ps1_pad_init(const struct drv_event *const ev)
+{
+    struct drv_ps1_pad *const ret = malloc(sizeof *ret);
+
+    if (!ret)
+        return NULL;
+
+    *ret = (const struct drv_ps1_pad){.ev = ev};
+    return ret;
+}
diff --git a/src/drv/ps1/pad/src/update.c b/src/drv/ps1/pad/src/update.c
new file mode 100644
index 0000000..35fb7a7
--- /dev/null
+++ b/src/drv/ps1/pad/src/update.c
@@ -0,0 +1,26 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/ps1/pad.h>
+#include <drv/event.h>
+
+int drv_ps1_pad_update(struct drv_ps1_pad *const pad)
+{
+    /* TODO */
+    return 0;
+}
diff --git a/src/drv/ps1/private_include/drv/ps1/types.h b/src/drv/ps1/private_include/drv/ps1/types.h
new file mode 100644
index 0000000..ffb3559
--- /dev/null
+++ b/src/drv/ps1/private_include/drv/ps1/types.h
@@ -0,0 +1,33 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef DRV_PS1_TYPES_H
+#define DRV_PS1_TYPES_H
+
+#include <drv/ps1/cd.h>
+#include <drv/ps1/mc.h>
+#include <drv/ps1/pad.h>
+
+struct drv_port
+{
+    struct drv_ps1_mc *mc;
+    struct drv_ps1_cd *cd;
+    struct drv_ps1_pad *pad;
+};
+
+#endif
diff --git a/src/drv/ps1/rcnt/CMakeLists.txt b/src/drv/ps1/rcnt/CMakeLists.txt
new file mode 100644
index 0000000..65af1a4
--- /dev/null
+++ b/src/drv/ps1/rcnt/CMakeLists.txt
@@ -0,0 +1,22 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+add_library(drv_ps1_rcnt)
+add_subdirectory(src)
+target_include_directories(drv_ps1_rcnt PUBLIC include PRIVATE private_include)
+target_link_libraries(drv_ps1_rcnt
+    PUBLIC c
+    PRIVATE drv_ps1_bios drv_ps1_interrupt)
diff --git a/src/drv/ps1/rcnt/include/drv/ps1/rcnt.h b/src/drv/ps1/rcnt/include/drv/ps1/rcnt.h
new file mode 100644
index 0000000..a4e8e1b
--- /dev/null
+++ b/src/drv/ps1/rcnt/include/drv/ps1/rcnt.h
@@ -0,0 +1,45 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef DRV_PS1_RCNT_H
+#define DRV_PS1_RCNT_H
+
+#include <stdint.h>
+
+union drv_ps1_rcnt_cfg
+{
+    struct
+    {
+        uint32_t sync_enable :1, sync_mode :2, reset :1, irq_tgt :1,
+            irq_max :1, repeat :1, pulse_toggle :1, clocksrc :2, intreq :1;
+    } bits;
+
+    uint32_t word;
+};
+
+enum drv_ps1_rcnt
+{
+    DRV_PS1_RCNT0,
+    DRV_PS1_RCNT1,
+    DRV_PS1_RCNT2
+};
+
+int drv_ps1_rcnt_init(enum drv_ps1_rcnt rcnt, uint16_t target,
+    const union drv_ps1_rcnt_cfg *cfg, int (*f)(void));
+
+#endif
diff --git a/src/drv/ps1/rcnt/private_include/drv/ps1/rcnt/regs.h b/src/drv/ps1/rcnt/private_include/drv/ps1/rcnt/regs.h
new file mode 100644
index 0000000..443a487
--- /dev/null
+++ b/src/drv/ps1/rcnt/private_include/drv/ps1/rcnt/regs.h
@@ -0,0 +1,36 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef DRV_PS1_RCNT_REGS_H
+#define DRV_PS1_RCNT_REGS_H
+
+#include <drv/ps1/rcnt.h>
+#include <stdint.h>
+
+struct rcnt_value
+{
+    uint32_t value :16, :16;
+};
+
+#define RCNT_BASE(n) (0x1f801100 + (n << 4))
+#define RCNT_REG(n, m) (RCNT_BASE(n) + m)
+#define RCNT_VALUE(n) ((volatile struct rcnt_value *)RCNT_REG(n, 0))
+#define RCNT_MODE(n) ((volatile union drv_ps1_rcnt_cfg *)RCNT_REG(n, 4))
+#define RCNT_TARGET(n) ((volatile struct rcnt_value *)RCNT_REG(n, 8))
+
+#endif
diff --git a/src/drv/ps1/rcnt/src/CMakeLists.txt b/src/drv/ps1/rcnt/src/CMakeLists.txt
new file mode 100644
index 0000000..0254ed8
--- /dev/null
+++ b/src/drv/ps1/rcnt/src/CMakeLists.txt
@@ -0,0 +1,19 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+target_sources(drv_ps1_rcnt PRIVATE
+    init.c
+)
diff --git a/src/drv/ps1/rcnt/src/init.c b/src/drv/ps1/rcnt/src/init.c
new file mode 100644
index 0000000..770cd15
--- /dev/null
+++ b/src/drv/ps1/rcnt/src/init.c
@@ -0,0 +1,59 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/ps1/rcnt.h>
+#include <drv/ps1/rcnt/regs.h>
+#include <drv/ps1/interrupt.h>
+#include <drv/ps1/bios.h>
+#include <stddef.h>
+#include <stdint.h>
+
+int drv_ps1_rcnt_init(const enum drv_ps1_rcnt rcnt, const uint16_t target,
+    const union drv_ps1_rcnt_cfg *const cfg, int (*const f)(void))
+{
+    int event, class;
+
+    EnterCriticalSection();
+    RCNT_TARGET(rcnt)->value = target;
+    *RCNT_MODE(rcnt) = *cfg;
+
+    switch (rcnt)
+    {
+        case DRV_PS1_RCNT0:
+            I_MASK->bits.tmr0 = 1;
+            class = CLASS_RTC0;
+            break;
+        case DRV_PS1_RCNT1:
+            I_MASK->bits.tmr1 = 1;
+            class = CLASS_RTC1;
+            break;
+        case DRV_PS1_RCNT2:
+            I_MASK->bits.tmr2 = 1;
+            class = CLASS_RTC2;
+            break;
+    }
+
+    event = OpenEvent(class, SPEC_INTERRUPTED, MODE_EXECUTE, f);
+    ExitCriticalSection();
+
+    if (event == -1)
+        return -1;
+
+    EnableEvent(event);
+    return 0;
+}
diff --git a/src/drv/ps1/src/CMakeLists.txt b/src/drv/ps1/src/CMakeLists.txt
new file mode 100644
index 0000000..4694191
--- /dev/null
+++ b/src/drv/ps1/src/CMakeLists.txt
@@ -0,0 +1,21 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+target_sources(drv_ps1 PRIVATE
+    free.c
+    init.c
+    update.c
+)
diff --git a/src/drv/ps1/src/free.c b/src/drv/ps1/src/free.c
new file mode 100644
index 0000000..a1348d6
--- /dev/null
+++ b/src/drv/ps1/src/free.c
@@ -0,0 +1,24 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/ps1.h>
+#include <drv/ps1/types.h>
+
+void drv_ps1_free(struct drv_port *const p)
+{
+}
diff --git a/src/drv/ps1/src/init.c b/src/drv/ps1/src/init.c
new file mode 100644
index 0000000..37a08be
--- /dev/null
+++ b/src/drv/ps1/src/init.c
@@ -0,0 +1,53 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/ps1.h>
+#include <drv/ps1/types.h>
+#include <drv/ps1/cd.h>
+#include <drv/ps1/mc.h>
+#include <drv/ps1/pad.h>
+#include <stdlib.h>
+
+struct drv_port *drv_ps1_init(const struct drv_event *const ev)
+{
+    struct drv_port *ret = NULL;
+    struct drv_ps1_mc *mc = NULL;
+    struct drv_ps1_cd *cd = NULL;
+    struct drv_ps1_pad *pad = NULL;
+
+    if (!(mc = drv_ps1_mc_init(ev))
+        || !(cd = drv_ps1_cd_init(ev))
+        || !(pad = drv_ps1_pad_init(ev))
+        || !(ret = malloc(sizeof *ret)))
+        goto failure;
+
+    *ret = (const struct drv_port)
+    {
+        .mc = mc,
+        .cd = cd,
+        .pad = pad
+    };
+
+    return ret;
+
+failure:
+    drv_ps1_mc_free(mc);
+    drv_ps1_cd_free(cd);
+    drv_ps1_pad_free(pad);
+    free(mc);
+}
diff --git a/src/drv/ps1/src/update.c b/src/drv/ps1/src/update.c
new file mode 100644
index 0000000..c96d9de
--- /dev/null
+++ b/src/drv/ps1/src/update.c
@@ -0,0 +1,33 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/ps1.h>
+#include <drv/ps1/types.h>
+#include <drv/ps1/cd.h>
+#include <drv/ps1/mc.h>
+#include <drv/ps1/pad.h>
+
+int drv_ps1_update(struct drv_port *const p)
+{
+    if (drv_ps1_mc_update(p->mc)
+        || drv_ps1_cd_update(p->cd)
+        || drv_ps1_pad_update(p->pad))
+        return -1;
+
+    return 0;
+}
diff --git a/src/drv/ps1/time/CMakeLists.txt b/src/drv/ps1/time/CMakeLists.txt
new file mode 100644
index 0000000..2746810
--- /dev/null
+++ b/src/drv/ps1/time/CMakeLists.txt
@@ -0,0 +1,22 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+add_library(drv_ps1_time)
+add_subdirectory(src)
+target_include_directories(drv_ps1_time PUBLIC include PRIVATE private_include)
+target_link_libraries(drv_ps1_time
+    PUBLIC c
+    PRIVATE drv drv_ps1_bios drv_ps1_interrupt drv_ps1_rcnt)
diff --git a/src/drv/ps1/time/include/drv/ps1/time.h b/src/drv/ps1/time/include/drv/ps1/time.h
new file mode 100644
index 0000000..d08ff39
--- /dev/null
+++ b/src/drv/ps1/time/include/drv/ps1/time.h
@@ -0,0 +1,24 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef DRV_PS1_TIME_H
+#define DRV_PS1_TIME_H
+
+int drv_ps1_time_tick(void);
+
+#endif
diff --git a/src/drv/ps1/time/private_include/drv/ps1/time/types.h b/src/drv/ps1/time/private_include/drv/ps1/time/types.h
new file mode 100644
index 0000000..ad420c6
--- /dev/null
+++ b/src/drv/ps1/time/private_include/drv/ps1/time/types.h
@@ -0,0 +1,26 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef DRV_PS1_TIME_TYPES_H
+#define DRV_PS1_TIME_TYPES_H
+
+#include <time.h>
+
+extern volatile struct timespec drv_ps1_time;
+
+#endif
diff --git a/src/drv/ps1/time/src/CMakeLists.txt b/src/drv/ps1/time/src/CMakeLists.txt
new file mode 100644
index 0000000..0ab540e
--- /dev/null
+++ b/src/drv/ps1/time/src/CMakeLists.txt
@@ -0,0 +1,23 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+target_sources(drv_ps1_time PRIVATE
+    gettime.c
+    getres.c
+    globals.c
+    settime.c
+    tick.c
+)
diff --git a/src/drv/ps1/time/src/getres.c b/src/drv/ps1/time/src/getres.c
new file mode 100644
index 0000000..8dad204
--- /dev/null
+++ b/src/drv/ps1/time/src/getres.c
@@ -0,0 +1,34 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/time.h>
+#include <errno.h>
+#include <time.h>
+
+int drv_time_getres(const clockid_t id, struct timespec *const ts)
+{
+    if (id != CLOCK_REALTIME)
+    {
+        errno = EINVAL;
+        return -1;
+    }
+    else if (ts)
+        *ts = (const struct timespec){.tv_nsec = 1000000};
+
+    return 0;
+}
diff --git a/src/drv/ps1/time/src/gettime.c b/src/drv/ps1/time/src/gettime.c
new file mode 100644
index 0000000..f01030f
--- /dev/null
+++ b/src/drv/ps1/time/src/gettime.c
@@ -0,0 +1,37 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/time.h>
+#include <drv/ps1/time/types.h>
+#include <drv/ps1/bios.h>
+#include <errno.h>
+#include <time.h>
+
+int drv_time_gettime(const clockid_t id, struct timespec *const ts)
+{
+    if (id != CLOCK_REALTIME)
+    {
+        errno = EINVAL;
+        return -1;
+    }
+
+    EnterCriticalSection();
+    *ts = drv_ps1_time;
+    ExitCriticalSection();
+    return 0;
+}
diff --git a/src/drv/ps1/time/src/globals.c b/src/drv/ps1/time/src/globals.c
new file mode 100644
index 0000000..cb2a825
--- /dev/null
+++ b/src/drv/ps1/time/src/globals.c
@@ -0,0 +1,22 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/ps1/time/types.h>
+#include <time.h>
+
+volatile struct timespec drv_ps1_time;
diff --git a/src/drv/ps1/time/src/settime.c b/src/drv/ps1/time/src/settime.c
new file mode 100644
index 0000000..25de76f
--- /dev/null
+++ b/src/drv/ps1/time/src/settime.c
@@ -0,0 +1,37 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/time.h>
+#include <drv/ps1/time/types.h>
+#include <drv/ps1/bios.h>
+#include <errno.h>
+#include <time.h>
+
+int drv_time_settime(const clockid_t id, const struct timespec *const ts)
+{
+    if (id != CLOCK_REALTIME)
+    {
+        errno = EINVAL;
+        return -1;
+    }
+
+    EnterCriticalSection();
+    drv_ps1_time = *ts;
+    ExitCriticalSection();
+    return 0;
+}
diff --git a/src/drv/ps1/time/src/tick.c b/src/drv/ps1/time/src/tick.c
new file mode 100644
index 0000000..b80174b
--- /dev/null
+++ b/src/drv/ps1/time/src/tick.c
@@ -0,0 +1,42 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <drv/ps1/time.h>
+#include <drv/ps1/time/types.h>
+#include <drv/ps1/interrupt.h>
+#include <time.h>
+
+int drv_ps1_time_tick(void)
+{
+    int ret = 0;
+    struct timespec ts;
+    volatile struct timespec *const t = &drv_ps1_time;
+
+    if (clock_getres(CLOCK_REALTIME, &ts))
+        ret = -1;
+    else if (t->tv_nsec >= 1000000000 - ts.tv_nsec)
+    {
+        t->tv_sec++;
+        t->tv_nsec = 0;
+    }
+    else
+        t->tv_nsec += ts.tv_nsec;
+
+    I_STAT->bits.tmr2 = 1;
+    return ret;
+}