diff options
| -rw-r--r-- | libpcsxcore/psxbios.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/libpcsxcore/psxbios.c b/libpcsxcore/psxbios.c index 8c8093b..928f0af 100644 --- a/libpcsxcore/psxbios.c +++ b/libpcsxcore/psxbios.c @@ -2450,8 +2450,11 @@ void psxBios__card_write() { // 0x4e #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; @@ -2483,8 +2486,11 @@ void psxBios__card_read() { // 0x4f #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; |