X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=libpcsxcore%2Fpsxhw.c;h=dbcb9892f4255ad0f2a35d5be6265e00d4808273;hp=c90f8c73d5bfb9c50b61766c9f3e2b1661c83c5a;hb=3968e69e7fa8f9cb0d44ac79477d5929b9649271;hpb=650adfd2da779ba8855623362c2900583e22931e

diff --git a/libpcsxcore/psxhw.c b/libpcsxcore/psxhw.c
index c90f8c73..dbcb9892 100644
--- a/libpcsxcore/psxhw.c
+++ b/libpcsxcore/psxhw.c
@@ -44,7 +44,7 @@ void psxHwReset() {
 u8 psxHwRead8(u32 add) {
 	unsigned char hard;
 
-	switch (add) {
+	switch (add & 0x1fffffff) {
 		case 0x1f801040: hard = sioRead8();break; 
 #ifdef ENABLE_SIO1API
 		case 0x1f801050: hard = SIO1_readData8(); break;
@@ -70,7 +70,7 @@ u8 psxHwRead8(u32 add) {
 u16 psxHwRead16(u32 add) {
 	unsigned short hard;
 
-	switch (add) {
+	switch (add & 0x1fffffff) {
 #ifdef PSXHW_LOG
 		case 0x1f801070: PSXHW_LOG("IREG 16bit read %x\n", psxHu16(0x1070));
 			return psxHu16(0x1070);
@@ -123,7 +123,14 @@ u16 psxHwRead16(u32 add) {
 			return hard;
 		case 0x1f80105e:
 			hard = SIO1_readBaud16();
-			return hard;
+			return hard;
+#else
+		/* Fixes Armored Core misdetecting the Link cable being detected.
+		 * We want to turn that thing off and force it to do local multiplayer instead.
+		 * Thanks Sony for the fix, they fixed it in their PS Classic fork.
+		 */
+		case 0x1f801054:
+			return 0x80;
 #endif
 		case 0x1f801100:
 			hard = psxRcntRcount(0);
@@ -204,7 +211,7 @@ u16 psxHwRead16(u32 add) {
 u32 psxHwRead32(u32 add) {
 	u32 hard;
 
-	switch (add) {
+	switch (add & 0x1fffffff) {
 		case 0x1f801040:
 			hard = sioRead8();
 			hard |= sioRead8() << 8;
@@ -355,7 +362,7 @@ u32 psxHwRead32(u32 add) {
 }
 
 void psxHwWrite8(u32 add, u8 value) {
-	switch (add) {
+	switch (add & 0x1fffffff) {
 		case 0x1f801040: sioWrite8(value); break;
 #ifdef ENABLE_SIO1API
 		case 0x1f801050: SIO1_writeData8(value); break;
@@ -379,7 +386,7 @@ void psxHwWrite8(u32 add, u8 value) {
 }
 
 void psxHwWrite16(u32 add, u16 value) {
-	switch (add) {
+	switch (add & 0x1fffffff) {
 		case 0x1f801040:
 			sioWrite8((unsigned char)value);
 			sioWrite8((unsigned char)(value>>8));
@@ -518,7 +525,7 @@ void psxHwWrite16(u32 add, u16 value) {
 }
 
 void psxHwWrite32(u32 add, u32 value) {
-	switch (add) {
+	switch (add & 0x1fffffff) {
 	    case 0x1f801040:
 			sioWrite8((unsigned char)value);
 			sioWrite8((unsigned char)((value&0xff) >>  8));