From: notaz <notasas@gmail.com>
Date: Sun, 10 Mar 2013 23:17:38 +0000 (+0200)
Subject: psxmem: handle io mirrors
X-Git-Tag: r19~14
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=commitdiff_plain;h=9dd7d179658d34f7943fa0092d172bf4f78d325b

psxmem: handle io mirrors

tested on real hardware (ignoring missing fault emulation)
fixes Star Wars - Episode I
---

diff --git a/libpcsxcore/new_dynarec/pcsxmem.c b/libpcsxcore/new_dynarec/pcsxmem.c
index a42852ad..3d149043 100644
--- a/libpcsxcore/new_dynarec/pcsxmem.c
+++ b/libpcsxcore/new_dynarec/pcsxmem.c
@@ -338,11 +338,17 @@ void new_dyna_pcsx_mem_init(void)
 
 	// scratchpad
 	map_l1_mem(mem_readtab, 0, 0x1f800000, 0x1000, psxH);
+	map_l1_mem(mem_readtab, 0, 0x9f800000, 0x1000, psxH);
 	map_l1_mem(mem_writetab, 0, 0x1f800000, 0x1000, psxH);
+	map_l1_mem(mem_writetab, 0, 0x9f800000, 0x1000, psxH);
 
 	// I/O
 	map_item(&mem_readtab[0x1f801000 >> 12], mem_iortab, 1);
+	map_item(&mem_readtab[0x9f801000 >> 12], mem_iortab, 1);
+	map_item(&mem_readtab[0xbf801000 >> 12], mem_iortab, 1);
 	map_item(&mem_writetab[0x1f801000 >> 12], mem_iowtab, 1);
+	map_item(&mem_writetab[0x9f801000 >> 12], mem_iowtab, 1);
+	map_item(&mem_writetab[0xbf801000 >> 12], mem_iowtab, 1);
 
 	// L2
 	// unmapped tables
diff --git a/libpcsxcore/psxmem.c b/libpcsxcore/psxmem.c
index 9e442675..4373121e 100644
--- a/libpcsxcore/psxmem.c
+++ b/libpcsxcore/psxmem.c
@@ -212,8 +212,8 @@ u8 psxMemRead8(u32 mem) {
 	u32 t;
 
 	t = mem >> 16;
-	if (t == 0x1f80) {
-		if (mem < 0x1f801000)
+	if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) {
+		if ((mem & 0xffff) < 0x400)
 			return psxHu8(mem);
 		else
 			return psxHwRead8(mem);
@@ -237,8 +237,8 @@ u16 psxMemRead16(u32 mem) {
 	u32 t;
 
 	t = mem >> 16;
-	if (t == 0x1f80) {
-		if (mem < 0x1f801000)
+	if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) {
+		if ((mem & 0xffff) < 0x400)
 			return psxHu16(mem);
 		else
 			return psxHwRead16(mem);
@@ -262,8 +262,8 @@ u32 psxMemRead32(u32 mem) {
 	u32 t;
 
 	t = mem >> 16;
-	if (t == 0x1f80) {
-		if (mem < 0x1f801000)
+	if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) {
+		if ((mem & 0xffff) < 0x400)
 			return psxHu32(mem);
 		else
 			return psxHwRead32(mem);
@@ -287,8 +287,8 @@ void psxMemWrite8(u32 mem, u8 value) {
 	u32 t;
 
 	t = mem >> 16;
-	if (t == 0x1f80) {
-		if (mem < 0x1f801000)
+	if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) {
+		if ((mem & 0xffff) < 0x400)
 			psxHu8(mem) = value;
 		else
 			psxHwWrite8(mem, value);
@@ -314,8 +314,8 @@ void psxMemWrite16(u32 mem, u16 value) {
 	u32 t;
 
 	t = mem >> 16;
-	if (t == 0x1f80) {
-		if (mem < 0x1f801000)
+	if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) {
+		if ((mem & 0xffff) < 0x400)
 			psxHu16ref(mem) = SWAPu16(value);
 		else
 			psxHwWrite16(mem, value);
@@ -342,8 +342,8 @@ void psxMemWrite32(u32 mem, u32 value) {
 
 //	if ((mem&0x1fffff) == 0x71E18 || value == 0x48088800) SysPrintf("t2fix!!\n");
 	t = mem >> 16;
-	if (t == 0x1f80) {
-		if (mem < 0x1f801000)
+	if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) {
+		if ((mem & 0xffff) < 0x400)
 			psxHu32ref(mem) = SWAPu32(value);
 		else
 			psxHwWrite32(mem, value);
@@ -400,8 +400,8 @@ void *psxMemPointer(u32 mem) {
 	u32 t;
 
 	t = mem >> 16;
-	if (t == 0x1f80) {
-		if (mem < 0x1f801000)
+	if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) {
+		if ((mem & 0xffff) < 0x400)
 			return (void *)&psxH[mem];
 		else
 			return NULL;