ptr = Mcd##mcd##Data + offset; \
memcpy(ptr, Ra1, length); \
FDesc[1 + mcd].offset += length; \
+ SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, offset, length); \
if (FDesc[1 + mcd].mode & 0x8000) { \
DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
break;
}
-// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
-// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
- DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
+ DeliverEvent(0x11, 0x2); // 0xf4000001, 0x0004
DeliverEvent(0x81, ret); // 0xf4000001, 0x0004
-
v0 = 1; pc0 = ra;
}
#ifdef PSXBIOS_LOG
PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
#endif
-
- if (Thread[th].status == 0) {
- v0 = 0;
- } else {
+ /* The return value is always 1 (even if the handle was already closed). */
+ v0 = 1;
+ if (Thread[th].status != 0) {
Thread[th].status = 0;
- v0 = 1;
}
pc0 = ra;
#ifdef PSXBIOS_LOG
// PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
#endif
-
+ /* The return value is always 1. */
+ v0 = 1;
if (Thread[th].status == 0 || CurThread == th) {
- v0 = 0;
-
pc0 = ra;
} else {
- v0 = 1;
-
if (Thread[CurThread].status == 2) {
Thread[CurThread].status = 1;
Thread[CurThread].func = ra;
#ifdef PSXBIOS_LOG
PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
#endif
- /* Function also accepts sector 400h (a bug) */
- if (!(a1 <= 0x400))
+ /*
+ Function also accepts sector 400h (a bug).
+ But notaz said we shouldn't allow sector 400h because it can corrupt the emulator.
+ */
+ if (!(a1 <= 0x3FF))
{
/* Invalid sectors */
v0 = 0; pc0 = ra;
#ifdef PSXBIOS_LOG
PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
#endif
- /* Function also accepts sector 400h (a bug) */
- if (!(a1 <= 0x400))
+ /*
+ Function also accepts sector 400h (a bug).
+ But notaz said we shouldn't allow sector 400h because it can corrupt the emulator.
+ */
+ if (!(a1 <= 0x3FF))
{
/* Invalid sectors */
v0 = 0; pc0 = ra;
/* Some games like R-Types, CTR, Fade to Black read from adress 0x00000000 due to uninitialized pointers.
See Garbage Area at Address 00000000h in Nocash PSX Specfications for more information.
- R-type will work if PsxM[0] is non-zero. (Meaning that it should not be 00000003h as he implies).
- Crash Team Racing will refuse to boot if psxM[2] and psx[3] are not set to 0.
- Fade to Black can crash upon memory card access if byte 5 is set to the wrong value.
+ Here are some examples of games not working with this fix in place :
+ R-type won't get past the Irem logo if not implemented.
+ Crash Team Racing will softlock after the Sony logo.
+ */
+
+ psxMu32ref(0x0000) = SWAPu32(0x00000003);
+ /*
+ But overwritten by 00000003h after soon.
+ psxMu32ref(0x0000) = SWAPu32(0x00001A3C);
*/
- psxM[0] = SWAPu32(0x3C);
- psxM[1] = SWAPu32(0x1A);
- psxM[2] = SWAPu32(0x00);
- psxM[3] = SWAPu32(0x00);
- psxM[4] = SWAPu32(0x27);
- psxM[5] = SWAPu32(0x5A);
- psxM[6] = SWAPu32(0x0C);
- psxM[7] = SWAPu32(0x80);
+ psxMu32ref(0x0004) = SWAPu32(0x800C5A27);
+ psxMu32ref(0x0008) = SWAPu32(0x08000403);
+ psxMu32ref(0x000C) = SWAPu32(0x00000000);
}
void psxBiosShutdown() {