From aca79b2a75c9a6106bc0047f767a475a2c3aaf8e Mon Sep 17 00:00:00 2001
From: spicyjpeg <88942473+spicyjpeg@users.noreply.github.com>
Date: Wed, 9 Feb 2022 22:59:16 +0100
Subject: Rename hwregs_a definitions, add hwregs_c, fix io/pads

---
 libpsn00b/psxgpu/clearotagr.s       |  6 +++---
 libpsn00b/psxgpu/drawotag.s         |  6 +++---
 libpsn00b/psxgpu/drawsync.s         |  4 ++--
 libpsn00b/psxgpu/drawsynccallback.s |  2 +-
 libpsn00b/psxgpu/loadimage.s        |  6 +++---
 libpsn00b/psxgpu/resetgraph.s       | 18 +++++++++---------
 libpsn00b/psxgpu/storeimage.s       |  6 +++---
 7 files changed, 24 insertions(+), 24 deletions(-)

(limited to 'libpsn00b/psxgpu')

diff --git a/libpsn00b/psxgpu/clearotagr.s b/libpsn00b/psxgpu/clearotagr.s
index 3e888f1..832e54c 100644
--- a/libpsn00b/psxgpu/clearotagr.s
+++ b/libpsn00b/psxgpu/clearotagr.s
@@ -12,10 +12,10 @@ ClearOTagR:
 	addi	$v0, $a1, -1
 	sll		$v0, 2
 	addu	$a0, $v0
-	sw		$a0, D6_MADR($a2)
+	sw		$a0, DMA6_MADR($a2)
 	andi	$a1, 0xffff
-	sw		$a1, D6_BCR($a2)
+	sw		$a1, DMA6_BCR($a2)
 	lui		$v0, 0x1100
 	addiu	$v0, 2
 	jr		$ra
-	sw		$v0, D6_CHCR($a2)
+	sw		$v0, DMA6_CHCR($a2)
diff --git a/libpsn00b/psxgpu/drawotag.s b/libpsn00b/psxgpu/drawotag.s
index ba771fc..595fcd5 100644
--- a/libpsn00b/psxgpu/drawotag.s
+++ b/libpsn00b/psxgpu/drawotag.s
@@ -25,12 +25,12 @@ DrawOTag:
 	beqz	$v0, .Lgpu_wait
 	nop
 
-	sw		$a0, D2_MADR($a3)	# Set DMA base address to specified OT
-	sw		$0 , D2_BCR($a3)
+	sw		$a0, DMA2_MADR($a3)	# Set DMA base address to specified OT
+	sw		$0 , DMA2_BCR($a3)
 
 	lui		$v0, 0x0100			# Begin OT transfer!
 	ori		$v0, 0x0401
-	sw		$v0, D2_CHCR($a3)
+	sw		$v0, DMA2_CHCR($a3)
 
 	lw		$ra, 0($sp)
 	addiu	$sp, 4
diff --git a/libpsn00b/psxgpu/drawsync.s b/libpsn00b/psxgpu/drawsync.s
index 2e29381..b671b03 100644
--- a/libpsn00b/psxgpu/drawsync.s
+++ b/libpsn00b/psxgpu/drawsync.s
@@ -24,7 +24,7 @@ DrawSync:
 	nop
 	
 .Ldma_wait:
-	lw		$v0, D2_CHCR($a0)
+	lw		$v0, DMA2_CHCR($a0)
 	nop
 	srl		$v0, 24
 	andi	$v0, 0x1
@@ -59,7 +59,7 @@ DrawSync:
 	
 .Lgetwords:
 
-	lw		$v0, D2_BCR($a0)
+	lw		$v0, DMA2_BCR($a0)
 	nop
 
 	jr		$ra
diff --git a/libpsn00b/psxgpu/drawsynccallback.s b/libpsn00b/psxgpu/drawsynccallback.s
index 37c0375..2b2c172 100644
--- a/libpsn00b/psxgpu/drawsynccallback.s
+++ b/libpsn00b/psxgpu/drawsynccallback.s
@@ -64,7 +64,7 @@ _drawsync_handler:
 	addiu	$sp, -4
 	sw		$ra, 0($sp)
 
-	lw		$v0, D2_CHCR($a0)
+	lw		$v0, DMA2_CHCR($a0)
 	nop
 	srl		$v0, 24
 	andi	$v0, 0x1
diff --git a/libpsn00b/psxgpu/loadimage.s b/libpsn00b/psxgpu/loadimage.s
index 4a3b4e0..e2a5be5 100644
--- a/libpsn00b/psxgpu/loadimage.s
+++ b/libpsn00b/psxgpu/loadimage.s
@@ -56,12 +56,12 @@ LoadImage:
 	sll		$v1, 0x10
 	ori		$v1, 0x8
 
-	sw		$a1, D2_MADR($s0)	# Set DMA base address and transfer length
-	sw		$v1, D2_BCR($s0)
+	sw		$a1, DMA2_MADR($s0)	# Set DMA base address and transfer length
+	sw		$v1, DMA2_BCR($s0)
 
 	lui		$v0, 0x100			# Start DMA transfer
 	ori		$v0, 0x201
-	sw		$v0, D2_CHCR($s0)
+	sw		$v0, DMA2_CHCR($s0)
 
 	lw		$ra, 0($sp)
 	lw		$s0, 4($sp)
diff --git a/libpsn00b/psxgpu/resetgraph.s b/libpsn00b/psxgpu/resetgraph.s
index f469fbe..eae854c 100644
--- a/libpsn00b/psxgpu/resetgraph.s
+++ b/libpsn00b/psxgpu/resetgraph.s
@@ -42,10 +42,10 @@ ResetGraph:
 
 	lui		$v0, 0x3b33					# Enables DMA channel 6 (for ClearOTag)
 	ori		$v0, 0x3b33					# Enables DMA channel 2
-	sw		$v0, DPCR($a3)
-	sw		$0 , DICR($a3)				# Clear DICR (not needed)
+	sw		$v0, DMA_DPCR($a3)
+	sw		$0 , DMA_DICR($a3)			# Clear DICR (not needed)
 
-	sw		$0 , IMASK($a3)				# Clear IRQ settings
+	sw		$0 , IRQ_MASK($a3)			# Clear IRQ settings
 	
 	la		$v0, _hooks_installed		# Set installed flag
 	li		$v1, 0x1
@@ -102,7 +102,7 @@ ResetGraph:
 										# by previous calls)
 
 	li		$v0, 0x1d00					# Configure timer 1 as Hblank counter
-	sw		$v0, T1_MODE($a3)			# Set timer 1 value
+	sw		$v0, TIM1_CTRL($a3)			# Set timer 1 value
 	
 	beq		$a0, 1, .Lgpu_init_1
 	nop
@@ -116,7 +116,7 @@ ResetGraph:
 
 .Lgpu_init_1:
 
-	sw		$0 , D2_CHCR($a3)			# Stop any DMA
+	sw		$0 , DMA2_CHCR($a3)			# Stop any DMA
 
 .Lgpu_init_3:
 
@@ -143,9 +143,9 @@ VSync:
 	lw		$s0, GP1($a3)
 	
 .Lhwait_loop:							# Get Hblank time
-	lw		$v0, T1_CNT($a3)
+	lw		$v0, TIM1_VALUE($a3)
 	nop
-	lw		$v1, T1_CNT($a3)
+	lw		$v1, TIM1_VALUE($a3)
 	nop
 	bne		$v0, $v1, .Lhwait_loop
 	nop
@@ -208,9 +208,9 @@ VSync:
 	la		$a2, _vsync_lasthblank
 	
 .Lhwait2_loop:
-	lw		$v0, T1_CNT($a3)
+	lw		$v0, TIM1_VALUE($a3)
 	nop
-	lw		$v1, T1_CNT($a3)
+	lw		$v1, TIM1_VALUE($a3)
 	sw		$v0, 0($a2)
 	bne		$v0, $v1, .Lhwait2_loop
 	nop
diff --git a/libpsn00b/psxgpu/storeimage.s b/libpsn00b/psxgpu/storeimage.s
index 5d4c793..933b14c 100644
--- a/libpsn00b/psxgpu/storeimage.s
+++ b/libpsn00b/psxgpu/storeimage.s
@@ -54,8 +54,8 @@ StoreImage:
 	sll		$v1, 0x10
 	ori		$v1, 0x8
 
-	sw		$a1, D2_MADR($s0)	# Set DMA base address and transfer length
-	sw		$v1, D2_BCR($s0)
+	sw		$a1, DMA2_MADR($s0)	# Set DMA base address and transfer length
+	sw		$v1, DMA2_BCR($s0)
 
 .Lgpu_wait_2:					# Wait for GPU to be ready for commands and DMA
 	jal		ReadGPUstat
@@ -67,7 +67,7 @@ StoreImage:
 	
 	lui		$v0, 0x100			# Start DMA transfer
 	ori		$v0, 0x200
-	sw		$v0, D2_CHCR($s0)
+	sw		$v0, DMA2_CHCR($s0)
 
 	lw		$ra, 0($sp)
 	lw		$s0, 4($sp)
-- 
cgit v1.2.3


From 69a364049a3958396d2d083c660591dad9ec257d Mon Sep 17 00:00:00 2001
From: spicyjpeg <88942473+spicyjpeg@users.noreply.github.com>
Date: Sun, 27 Feb 2022 19:45:38 +0100
Subject: Rename some hwregs_c.h and hwregs.a definitions

---
 examples/graphics/rgb24/bunpattern.png | Bin 0 -> 59932 bytes
 examples/io/pads/spi.c                 |   6 +++---
 examples/system/timer/main.c           |   5 +++--
 libpsn00b/include/hwregs_a.h           |  22 +++++++++++-----------
 libpsn00b/include/hwregs_c.h           |  10 +++++-----
 libpsn00b/psxgpu/clearotagr.s          |   2 +-
 libpsn00b/psxgpu/drawotag.s            |   4 ++--
 libpsn00b/psxgpu/drawprim.s            |   4 ++--
 libpsn00b/psxgpu/drawsynccallback.s    |   2 +-
 libpsn00b/psxgpu/loadimage.s           |  14 +++++++-------
 libpsn00b/psxgpu/putdispenv.s          |   8 ++++----
 libpsn00b/psxgpu/putdispenvraw.s       |  10 +++++-----
 libpsn00b/psxgpu/readgpustat.s         |   4 ++--
 libpsn00b/psxgpu/resetgraph.s          |  28 ++++++++++++++--------------
 libpsn00b/psxgpu/setdispmask.s         |   4 ++--
 libpsn00b/psxgpu/setvideomode.s        |   2 +-
 libpsn00b/psxgpu/storeimage.s          |  14 +++++++-------
 17 files changed, 70 insertions(+), 69 deletions(-)
 create mode 100644 examples/graphics/rgb24/bunpattern.png

(limited to 'libpsn00b/psxgpu')

diff --git a/examples/graphics/rgb24/bunpattern.png b/examples/graphics/rgb24/bunpattern.png
new file mode 100644
index 0000000..61524f8
Binary files /dev/null and b/examples/graphics/rgb24/bunpattern.png differ
diff --git a/examples/io/pads/spi.c b/examples/io/pads/spi.c
index 05a0e59..43b5bc3 100644
--- a/examples/io/pads/spi.c
+++ b/examples/io/pads/spi.c
@@ -179,12 +179,12 @@ SPI_Request *SPI_CreateRequest(void) {
 }
 
 void SPI_SetPollRate(uint32_t value) {
-	TIM_CTRL(2) = 0x0258; // CLK/8 input, IRQ on reload, disable one-shot IRQ
+	TIMER_CTRL(2) = 0x0258; // CLK/8 input, IRQ on reload, disable one-shot IRQ
 
 	if (value < 65)
-		TIM_RELOAD(2) = 0xffff;
+		TIMER_RELOAD(2) = 0xffff;
 	else
-		TIM_RELOAD(2) = (F_CPU / 8) / value;
+		TIMER_RELOAD(2) = (F_CPU / 8) / value;
 }
 
 void SPI_Init(SPI_Callback callback) {
diff --git a/examples/system/timer/main.c b/examples/system/timer/main.c
index 8153581..eb62712 100644
--- a/examples/system/timer/main.c
+++ b/examples/system/timer/main.c
@@ -3,6 +3,7 @@
 #include <psxgpu.h>
 #include <psxapi.h>
 #include <psxetc.h>
+#include <hwregs_c.h>
 
 /* OT and Packet Buffer sizes */
 #define OT_LEN			256
@@ -34,7 +35,7 @@ void display();
 
 
 volatile int timer_calls = 0;
-volatile short *timer2_ctrl = (short*)0x1F801124;
+
 void timer_func()
 {
 	timer_calls++;
@@ -74,7 +75,7 @@ int main() {
 	//counter = 5163000/560;
 	
 	SetRCnt(RCntCNT2, counter, RCntMdINTR);
-	*timer2_ctrl = 0x1E58;
+	TIMER_CTRL(2) = 0x1E58;
 	InterruptCallback(6, timer_func);
 	StartRCnt(RCntCNT2);
 	ChangeClearRCnt(2, 0);
diff --git a/libpsn00b/include/hwregs_a.h b/libpsn00b/include/hwregs_a.h
index 4d0bade..8a504f5 100644
--- a/libpsn00b/include/hwregs_a.h
+++ b/libpsn00b/include/hwregs_a.h
@@ -8,8 +8,8 @@
 
 ## GPU
 
-.set GP0,				0x1810		# Also GPUREAD
-.set GP1,				0x1814		# Also GPUSTAT
+.set GPU_GP0,			0x1810		# Also GPUREAD
+.set GPU_GP1,			0x1814		# Also GPUSTAT
 
 ## CD drive
 
@@ -123,17 +123,17 @@
 
 ## Timers
 
-.set TIM0_VALUE,		0x1100
-.set TIM0_CTRL,			0x1104
-.set TIM0_RELOAD,		0x1108
+.set TIMER0_VALUE,		0x1100
+.set TIMER0_CTRL,		0x1104
+.set TIMER0_RELOAD,		0x1108
 
-.set TIM1_VALUE,		0x1110
-.set TIM1_CTRL,			0x1114
-.set TIM1_RELOAD,		0x1118
+.set TIMER1_VALUE,		0x1110
+.set TIMER1_CTRL,		0x1114
+.set TIMER1_RELOAD,		0x1118
 
-.set TIM2_VALUE,		0x1120
-.set TIM2_CTRL,			0x1124
-.set TIM2_RELOAD,		0x1128
+.set TIMER2_VALUE,		0x1120
+.set TIMER2_CTRL,		0x1124
+.set TIMER2_RELOAD,		0x1128
 
 ## Memory control
 
diff --git a/libpsn00b/include/hwregs_c.h b/libpsn00b/include/hwregs_c.h
index 4222a22..e533c56 100644
--- a/libpsn00b/include/hwregs_c.h
+++ b/libpsn00b/include/hwregs_c.h
@@ -19,8 +19,8 @@
 
 /* GPU */
 
-#define GP0					_MMIO32(0x1f801810)
-#define GP1					_MMIO32(0x1f801814)
+#define GPU_GP0				_MMIO32(0x1f801810)
+#define GPU_GP1				_MMIO32(0x1f801814)
 
 /* CD drive */
 
@@ -109,9 +109,9 @@
 
 /* Timers */
 
-#define TIM_VALUE(N)		_MMIO32(0x1f801100 + 16 * (N))
-#define TIM_CTRL(N)			_MMIO32(0x1f801104 + 16 * (N))
-#define TIM_RELOAD(N)		_MMIO32(0x1f801108 + 16 * (N))
+#define TIMER_VALUE(N)		_MMIO32(0x1f801100 + 16 * (N))
+#define TIMER_CTRL(N)		_MMIO32(0x1f801104 + 16 * (N))
+#define TIMER_RELOAD(N)		_MMIO32(0x1f801108 + 16 * (N))
 
 /* Memory control */
 
diff --git a/libpsn00b/psxgpu/clearotagr.s b/libpsn00b/psxgpu/clearotagr.s
index 832e54c..562cad4 100644
--- a/libpsn00b/psxgpu/clearotagr.s
+++ b/libpsn00b/psxgpu/clearotagr.s
@@ -8,7 +8,7 @@
 .global ClearOTagR
 .type ClearOTagR, @function
 ClearOTagR:
-	lui		$a2, 0x1f80
+	lui		$a2, IOBASE
 	addi	$v0, $a1, -1
 	sll		$v0, 2
 	addu	$a0, $v0
diff --git a/libpsn00b/psxgpu/drawotag.s b/libpsn00b/psxgpu/drawotag.s
index 595fcd5..3cb0db0 100644
--- a/libpsn00b/psxgpu/drawotag.s
+++ b/libpsn00b/psxgpu/drawotag.s
@@ -11,11 +11,11 @@ DrawOTag:
 	addiu	$sp, -4
 	sw		$ra, 0($sp)
 
-	lui		$a3, 0x1f80			# I/O segment base
+	lui		$a3, IOBASE			# I/O segment base
 
 	lui		$v0, 0x0400			# Set DMA direction to CPUtoGPU
 	ori		$v0, 0x2
-	sw		$v0, GP1($a3)
+	sw		$v0, GPU_GP1($a3)
 	
 .Lgpu_wait:						# Wait for GPU to be ready for commands & DMA
 	jal		ReadGPUstat
diff --git a/libpsn00b/psxgpu/drawprim.s b/libpsn00b/psxgpu/drawprim.s
index de5afbd..d62c202 100644
--- a/libpsn00b/psxgpu/drawprim.s
+++ b/libpsn00b/psxgpu/drawprim.s
@@ -18,7 +18,7 @@ DrawPrim:
 	
 	lui		$a3, IOBASE
 	lui		$v0, 0x0400			# Set transfer direction to off
-	sw		$v0, GP1($a3)
+	sw		$v0, GPU_GP1($a3)
 	
 	move	$a0, $s0
 	lbu		$a1, 3($a0)			# Get length of primitive packet
@@ -28,7 +28,7 @@ DrawPrim:
 .Ltransfer_loop:
 	lw		$v0, 0($a0)
 	addiu	$a0, 4
-	sw		$v0, GP0($a3)
+	sw		$v0, GPU_GP0($a3)
 	bgtz	$a1, .Ltransfer_loop
 	addiu	$a1, -1
 
diff --git a/libpsn00b/psxgpu/drawsynccallback.s b/libpsn00b/psxgpu/drawsynccallback.s
index 2b2c172..22cfb7d 100644
--- a/libpsn00b/psxgpu/drawsynccallback.s
+++ b/libpsn00b/psxgpu/drawsynccallback.s
@@ -84,7 +84,7 @@ _drawsync_handler:
 	lw		$v1, 0($v1)
 	
 	lui		$v0, 0x0400			# Set DMA direction to off
-	sw		$v0, GP1($a0)
+	sw		$v0, GPU_GP1($a0)
 	
 	jalr	$v1
 	nop
diff --git a/libpsn00b/psxgpu/loadimage.s b/libpsn00b/psxgpu/loadimage.s
index e2a5be5..45f152f 100644
--- a/libpsn00b/psxgpu/loadimage.s
+++ b/libpsn00b/psxgpu/loadimage.s
@@ -17,7 +17,7 @@ LoadImage:
 	sw		$ra, 0($sp)
 	sw		$s0, 4($sp)
 
-	lui		$s0, 0x1f80			# Set I/O segment base address
+	lui		$s0, IOBASE			# Set I/O segment base address
 
 .Lgpu_wait:						# Wait for GPU to be ready for commands and DMA
 	jal		ReadGPUstat
@@ -31,21 +31,21 @@ LoadImage:
 	nop
 
 	lui		$v0, 0x400			# Set DMA direction to off
-	sw		$v0, GP1($s0)
+	sw		$v0, GPU_GP1($s0)
 
 	lui		$v0, 0x0100			# Clear GPU cache
-	sw		$v0, GP0($s0)
+	sw		$v0, GPU_GP0($s0)
 
 	lui		$v1, 0xa000			# Load image to VRAM
-	sw		$v1, GP0($s0)
+	sw		$v1, GPU_GP0($s0)
 	lw		$v0, RECT_x($a0)	# Set XY and dimensions of image
 	lw		$v1, RECT_w($a0)
-	sw		$v0, GP0($s0)
-	sw		$v1, GP0($s0)
+	sw		$v0, GPU_GP0($s0)
+	sw		$v1, GPU_GP0($s0)
 
 	lui		$v0, 0x400			# Set DMA direction to CPUtoVRAM
 	ori		$v0, 0x2
-	sw		$v0, GP1($s0)
+	sw		$v0, GPU_GP1($s0)
 
 	lhu		$v0, RECT_w($a0)	# Get rectangle size
 	lhu		$v1, RECT_h($a0)
diff --git a/libpsn00b/psxgpu/putdispenv.s b/libpsn00b/psxgpu/putdispenv.s
index 4baa20e..fc09454 100644
--- a/libpsn00b/psxgpu/putdispenv.s
+++ b/libpsn00b/psxgpu/putdispenv.s
@@ -102,7 +102,7 @@ PutDispEnv:
 	or		$a2, $v0
 	lui		$v0, 0x0600
 	or		$v0, $a2
-	sw		$v0, GP1($a3)
+	sw		$v0, GPU_GP1($a3)
 
 	# Vertical resolution
 
@@ -127,7 +127,7 @@ PutDispEnv:
 	or		$v1, $a2
 	lui		$v0, 0x0700
 	or		$v1, $v0
-	sw		$v1, GP1($a3)
+	sw		$v1, GPU_GP1($a3)
 
 	# Video mode
 
@@ -159,7 +159,7 @@ PutDispEnv:
 
 	lui		$v0, 0x800					# Apply mode
 	or		$a1, $v0
-	sw		$a1, GP1($a3)
+	sw		$a1, GPU_GP1($a3)
 
 	lhu		$v0, DISP_dx($a0)			# Set VRAM XY offset
 	lhu		$v1, DISP_dy($a0)
@@ -171,4 +171,4 @@ PutDispEnv:
 	or		$v0, $v1
 
 	jr		$ra
-	sw		$v0, GP1($a3)
+	sw		$v0, GPU_GP1($a3)
diff --git a/libpsn00b/psxgpu/putdispenvraw.s b/libpsn00b/psxgpu/putdispenvraw.s
index 157150d..747796f 100644
--- a/libpsn00b/psxgpu/putdispenvraw.s
+++ b/libpsn00b/psxgpu/putdispenvraw.s
@@ -19,7 +19,7 @@ PutDispEnvRaw:
 	sw		$ra, 0($sp)
 	sw		$s0, 4($sp)
 
-	lui		$s0, 0x1f80
+	lui		$s0, IOBASE
 
 	lh		$at, DISP_vxpos($a0)	# Set horizontal display range
 	li		$v0, 608
@@ -30,7 +30,7 @@ PutDispEnvRaw:
 	or		$v0, $v1
 	lui		$v1, 0x600
 	or		$v1, $v0
-	sw		$v1, GP1($s0)
+	sw		$v1, GPU_GP1($s0)
 
 	lh		$at, DISP_vypos($a0)	# Set vertical display range (for NTSC)
 	li		$v1, 120				# (values differet for PAL modes)
@@ -47,12 +47,12 @@ PutDispEnvRaw:
 	or		$v0, $at
 	lui		$at, 0x700
 	or		$v0, $at
-	sw		$v0, GP1($s0)
+	sw		$v0, GPU_GP1($s0)
 
 	lw		$v0, DISP_mode($a0)		# Set video mode
 	lui		$at, 0x800
 	or		$v0, $at
-	sw		$v0, GP1($s0)
+	sw		$v0, GPU_GP1($s0)
 
 	lhu		$v0, DISP_fbx($a0)		# Set VRAM XY offset
 	lhu		$v1, DISP_fby($a0)
@@ -62,7 +62,7 @@ PutDispEnvRaw:
 	or		$v0, $v1
 	lui		$v1, 0x500
 	or		$v0, $v1
-	sw		$v0, GP1($s0)
+	sw		$v0, GPU_GP1($s0)
 
 	lw		$ra, 0($sp)
 	lw		$s0, 4($sp)
diff --git a/libpsn00b/psxgpu/readgpustat.s b/libpsn00b/psxgpu/readgpustat.s
index c587cfb..ffff4d7 100644
--- a/libpsn00b/psxgpu/readgpustat.s
+++ b/libpsn00b/psxgpu/readgpustat.s
@@ -8,7 +8,7 @@
 .global ReadGPUstat
 .type ReadGPUstat, @function
 ReadGPUstat:
-	lui     $v0, 0x1f80
-	lw      $v0, GP1($v0)
+	lui     $v0, IOBASE
+	lw      $v0, GPU_GP1($v0)
 	jr      $ra
 	nop
diff --git a/libpsn00b/psxgpu/resetgraph.s b/libpsn00b/psxgpu/resetgraph.s
index eae854c..6327f02 100644
--- a/libpsn00b/psxgpu/resetgraph.s
+++ b/libpsn00b/psxgpu/resetgraph.s
@@ -38,7 +38,7 @@ ResetGraph:
 	nop									# interrupts enabled when transferring 
 										# execution to the loaded program
 
-	lui		$a3, 0x1f80					# Base address for I/O
+	lui		$a3, IOBASE					# Base address for I/O
 
 	lui		$v0, 0x3b33					# Enables DMA channel 6 (for ClearOTag)
 	ori		$v0, 0x3b33					# Enables DMA channel 2
@@ -84,9 +84,9 @@ ResetGraph:
 	
 .Lskip_hook_init:
 	
-	lui		$a3, 0x1f80
+	lui		$a3, IOBASE
 
-	lw		$v0, GP1($a3)				# Get video standard
+	lw		$v0, GPU_GP1($a3)				# Get video standard
 	lui		$v1, 0x0010
 	and		$v0, $v1
 	la		$v1, _gpu_standard
@@ -98,18 +98,18 @@ ResetGraph:
 
 	lw		$a0, 4($sp)					# Get argument value
 
-	lui		$a3, 0x1f80					# Set base I/O again (likely destroyed
+	lui		$a3, IOBASE					# Set base I/O again (likely destroyed
 										# by previous calls)
 
 	li		$v0, 0x1d00					# Configure timer 1 as Hblank counter
-	sw		$v0, TIM1_CTRL($a3)			# Set timer 1 value
+	sw		$v0, TIMER1_CTRL($a3)		# Set timer 1 value
 	
 	beq		$a0, 1, .Lgpu_init_1
 	nop
 	beq		$a0, 3, .Lgpu_init_3
 	nop
 
-	sw		$0 , GP1($a3)				# Reset the GPU
+	sw		$0 , GPU_GP1($a3)				# Reset the GPU
 
 	b		.Linit_done
 	nop
@@ -121,7 +121,7 @@ ResetGraph:
 .Lgpu_init_3:
 
 	li		$v0, 0x1					# Reset the command buffer
-	sw		$v0, GP1($a3)
+	sw		$v0, GPU_GP1($a3)
 
 .Linit_done:
 
@@ -140,12 +140,12 @@ VSync:
 	sw		$s0, 4($sp)
 	
 	lui		$a3, IOBASE					# Get GPU status (for interlace sync)
-	lw		$s0, GP1($a3)
+	lw		$s0, GPU_GP1($a3)
 	
 .Lhwait_loop:							# Get Hblank time
-	lw		$v0, TIM1_VALUE($a3)
+	lw		$v0, TIMER1_VALUE($a3)
 	nop
-	lw		$v1, TIM1_VALUE($a3)
+	lw		$v1, TIMER1_VALUE($a3)
 	nop
 	bne		$v0, $v1, .Lhwait_loop
 	nop
@@ -189,14 +189,14 @@ VSync:
 	
 	lui		$a3, IOBASE					# Interlace wait logic
 	
-	lw		$v0, GP1($a3)
+	lw		$v0, GPU_GP1($a3)
 	nop
 	xor		$v0, $s0, $v0
 	bltz	$v0, .Lhblank_exit
 	lui		$a0, 0x8000
 	
 .Linterlace_wait:
-	lw		$v0, GP1($a3)
+	lw		$v0, GPU_GP1($a3)
 	nop
 	xor		$v0, $s0, $v0
 	and		$v0, $a0
@@ -208,9 +208,9 @@ VSync:
 	la		$a2, _vsync_lasthblank
 	
 .Lhwait2_loop:
-	lw		$v0, TIM1_VALUE($a3)
+	lw		$v0, TIMER1_VALUE($a3)
 	nop
-	lw		$v1, TIM1_VALUE($a3)
+	lw		$v1, TIMER1_VALUE($a3)
 	sw		$v0, 0($a2)
 	bne		$v0, $v1, .Lhwait2_loop
 	nop
diff --git a/libpsn00b/psxgpu/setdispmask.s b/libpsn00b/psxgpu/setdispmask.s
index 77ceb04..d79006c 100644
--- a/libpsn00b/psxgpu/setdispmask.s
+++ b/libpsn00b/psxgpu/setdispmask.s
@@ -8,12 +8,12 @@
 .global SetDispMask
 .type SetDispMask, @function
 SetDispMask:
-	lui		$v1, 0x1f80
+	lui		$v1, IOBASE
 	andi	$a0, 0x1
 	lui		$v0, 0x300
 	ori		$v0, 0x1
 	sub		$v0, $a0
-	sw		$v0, GP1($v1)
+	sw		$v0, GPU_GP1($v1)
 	jr		$ra
 	nop
 
diff --git a/libpsn00b/psxgpu/setvideomode.s b/libpsn00b/psxgpu/setvideomode.s
index 4395f0a..b89b285 100644
--- a/libpsn00b/psxgpu/setvideomode.s
+++ b/libpsn00b/psxgpu/setvideomode.s
@@ -41,7 +41,7 @@ SetVideoMode:
 	lui		$v0, 0x800				# Apply new mode
 	or		$a1, $v0
 	lui		$v0, IOBASE
-	sw		$a1, GP1($v0)
+	sw		$a1, GPU_GP1($v0)
 
 	lw		$ra, 0($sp)
 	addiu	$sp, 4
diff --git a/libpsn00b/psxgpu/storeimage.s b/libpsn00b/psxgpu/storeimage.s
index 933b14c..554e83c 100644
--- a/libpsn00b/psxgpu/storeimage.s
+++ b/libpsn00b/psxgpu/storeimage.s
@@ -17,7 +17,7 @@ StoreImage:
 	sw		$ra, 0($sp)
 	sw		$s0, 4($sp)
 
-	lui		$s0, 0x1f80			# Set I/O segment base address
+	lui		$s0, IOBASE			# Set I/O segment base address
 
 .Lgpu_wait:						# Wait for GPU to be ready for commands and DMA
 	jal		ReadGPUstat
@@ -29,21 +29,21 @@ StoreImage:
 	nop
 
 	lui		$v0, 0x400			# Set DMA direction to off
-	sw		$v0, GP1($s0)
+	sw		$v0, GPU_GP1($s0)
 
 	lui		$v0, 0x0100			# Clear GPU cache
-	sw		$v0, GP0($s0)
+	sw		$v0, GPU_GP0($s0)
 
 	lui		$v1, 0xc000			# Store image from VRAM
-	sw		$v1, GP0($s0)
+	sw		$v1, GPU_GP0($s0)
 	lw		$v0, RECT_x($a0)	# Set XY and dimensions of image
 	lw		$v1, RECT_w($a0)
-	sw		$v0, GP0($s0)
-	sw		$v1, GP0($s0)
+	sw		$v0, GPU_GP0($s0)
+	sw		$v1, GPU_GP0($s0)
 
 	lui		$v0, 0x400			# Set DMA direction to VRAMtoCPU
 	ori		$v0, 0x3
-	sw		$v0, GP1($s0)
+	sw		$v0, GPU_GP1($s0)
 
 	lhu		$v0, RECT_w($a0)	# Get rectangle size
 	lhu		$v1, RECT_h($a0)
-- 
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