#ifdef PSXBIOS_LOG
PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1);
#endif
-
+ if (a0 == 0 || a1 == 0)
+ {
+ v0 = 0;
+ pc0 = ra;
+ return;
+ }
while (*p1++);
--p1;
while ((*p1++ = *p2++) != '\0');
void psxBios_bcopy() { // 0x27
char *p1 = (char *)Ra1, *p2 = (char *)Ra0;
- while (a2-- > 0) *p1++ = *p2++;
+ while ((s32)a2-- > 0) *p1++ = *p2++;
pc0 = ra;
}
void psxBios_bzero() { // 0x28
char *p = (char *)Ra0;
- while (a1-- > 0) *p++ = '\0';
+ while ((s32)a1-- > 0) *p++ = '\0';
pc0 = ra;
}
if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; }
- while (a2-- > 0) {
+ while ((s32)a2-- > 0) {
if (*p1++ != *p2++) {
v0 = *p1 - *p2; // BUG: compare the NEXT byte
pc0 = ra;
void psxBios_memcpy() { // 0x2a
char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
- while (a2-- > 0) *p1++ = *p2++;
+ while ((s32)a2-- > 0) *p1++ = *p2++;
v0 = a0; pc0 = ra;
}
void psxBios_memset() { // 0x2b
char *p = (char *)Ra0;
- while (a2-- > 0) *p++ = (char)a1;
+ while ((s32)a2-- > 0) *p++ = (char)a1;
+ a2 = 0;
v0 = a0; pc0 = ra;
}
a2++; // BUG: copy one more byte here
p1 += a2;
p2 += a2;
- while (a2-- > 0) *--p1 = *--p2;
+ while ((s32)a2-- > 0) *--p1 = *--p2;
} else {
- while (a2-- > 0) *p1++ = *p2++;
+ while ((s32)a2-- > 0) *p1++ = *p2++;
}
v0 = a0; pc0 = ra;
void psxBios_memchr() { // 0x2e
char *p = (char *)Ra0;
- while (a2-- > 0) {
+ while ((s32)a2-- > 0) {
if (*p++ != (s8)a1) continue;
v0 = a0 + (p - (char *)Ra0 - 1);
pc0 = ra;
#ifdef PSXBIOS_LOG
PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
#endif
+ if (!(a0 == 0x20000000 || a0 == 0x20000001))
+ {
+ v0 = 0;
+ pc0 = ra;
+ return;
+ }
psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
pad_buf = (int *)Ra1;
*pad_buf = -1;
psxRegs.CP0.n.Status |= 0x401;
+ v0 = 2;
pc0 = ra;
}