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psxbios: Add checks for bzero.
[pcsx_rearmed.git]
/
libpcsxcore
/
psxbios.c
diff --git
a/libpcsxcore/psxbios.c
b/libpcsxcore/psxbios.c
index
4019234
..
c362a75
100644
(file)
--- a/
libpcsxcore/psxbios.c
+++ b/
libpcsxcore/psxbios.c
@@
-752,7
+752,21
@@
void psxBios_bcopy() { // 0x27
void psxBios_bzero() { // 0x28
char *p = (char *)Ra0;
void psxBios_bzero() { // 0x28
char *p = (char *)Ra0;
+ v0 = a0;
+ /* Same as memset here (See memset below) */
+ if (a1 > 0x7FFFFFFF || a1 == 0)
+ {
+ v0 = 0;
+ pc0 = ra;
+ return;
+ }
+ else if (a0 == 0)
+ {
+ pc0 = ra;
+ return;
+ }
while ((s32)a1-- > 0) *p++ = '\0';
while ((s32)a1-- > 0) *p++ = '\0';
+ a1 = 0;
pc0 = ra;
}
pc0 = ra;
}