Add project source code

6 files changed, 128 insertions, 0 deletions

diff --git a/src/system/CMakeLists.txt b/src/system/CMakeLists.txt
new file mode 100644
index 0000000..679d5b4
--- /dev/null
+++ b/src/system/CMakeLists.txt
@@ -0,0 +1,13 @@
+set(inc "inc")
+
+if(PS1_BUILD)
+    set(src "ps1/src/init.c")
+    set(inc ${inc} "ps1/inc")
+elseif(SDL1_2_BUILD)
+    set(src "sdl-1.2/src/system.c")
+    set(inc ${inc} "sdl-1.2/inc")
+endif()
+
+add_library(system ${src})
+target_include_directories(system PUBLIC ${inc})
+target_link_libraries(system PRIVATE gfx sfx)
diff --git a/src/system/inc/system.h b/src/system/inc/system.h
new file mode 100644
index 0000000..5338a0b
--- /dev/null
+++ b/src/system/inc/system.h
@@ -0,0 +1,17 @@
+#ifndef SYSTEM_H
+#define SYSTEM_H
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+int system_init(void);
+void system_deinit(void);
+void system_loop(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* SYSTEM_H */
diff --git a/src/system/ps1/inc/system/port.h b/src/system/ps1/inc/system/port.h
new file mode 100644
index 0000000..395097e
--- /dev/null
+++ b/src/system/ps1/inc/system/port.h
@@ -0,0 +1,17 @@
+#ifndef INIT_PS1_H
+#define INIT_PS1_H
+
+#include <stdbool.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+extern volatile bool vblank_set;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* INIT_PS1_H */
diff --git a/src/system/ps1/src/init.c b/src/system/ps1/src/init.c
new file mode 100644
index 0000000..a644e47
--- /dev/null
+++ b/src/system/ps1/src/init.c
@@ -0,0 +1,32 @@
+#include <gfx.h>
+#include <sfx.h>
+#include <system.h>
+#include <psx.h>
+#include <stdbool.h>
+
+volatile bool vblank_set;
+
+static void vblank(void *const arg)
+{
+    vblank_set = true;
+}
+
+void system_deinit(void)
+{
+    gfx_deinit();
+    sfx_deinit();
+}
+
+int system_init(void)
+{
+    SetVBlankHandler(vblank);
+
+    if (gfx_init() || sfx_init())
+        return -1;
+
+    return 0;
+}
+
+void system_loop(void)
+{
+}
diff --git a/src/system/sdl-1.2/inc/system/port.h b/src/system/sdl-1.2/inc/system/port.h
new file mode 100644
index 0000000..3838026
--- /dev/null
+++ b/src/system/sdl-1.2/inc/system/port.h
@@ -0,0 +1,13 @@
+#ifndef INIT_SDL_1_2_H
+#define INIT_SDL_1_2_H
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* INIT_SDL_H */
diff --git a/src/system/sdl-1.2/src/system.c b/src/system/sdl-1.2/src/system.c
new file mode 100644
index 0000000..a738a75
--- /dev/null
+++ b/src/system/sdl-1.2/src/system.c
@@ -0,0 +1,36 @@
+#include <gfx.h>
+#include <sfx.h>
+#include <system.h>
+#include <SDL/SDL.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+void system_loop(void)
+{
+    SDL_PumpEvents();
+}
+
+void system_deinit(void)
+{
+    gfx_deinit();
+    sfx_deinit();
+    SDL_Quit();
+}
+
+int system_init(void)
+{
+    if (SDL_Init(0))
+    {
+        fprintf(stderr, "SDL_Init: %s\n", SDL_GetError());
+        goto failure;
+    }
+    else if (gfx_init() || sfx_init())
+        goto failure;
+
+    SDL_WM_SetCaption("rts", NULL);
+    return 0;
+
+failure:
+    system_deinit();
+    return -1;
+}