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| author | gameblabla | 2019-07-22 23:25:49 +0200 |
|---|---|---|
| committer | gameblabla | 2019-07-22 23:25:49 +0200 |
| commit | 1059caaf959bf28d2cd1020b8bc30d33fb71ed93 (patch) | |
| tree | 0b5414527071a37e29c9fcc761c342c2f903c6a2 /libpcsxcore/psxbios.c | |
| parent | 339cc5b6c622b9e4544e67239c048d39f245390b (diff) | |
| download | pcsx_rearmed-1059caaf959bf28d2cd1020b8bc30d33fb71ed93.tar.gz pcsx_rearmed-1059caaf959bf28d2cd1020b8bc30d33fb71ed93.tar.bz2 pcsx_rearmed-1059caaf959bf28d2cd1020b8bc30d33fb71ed93.zip | |
psxbios: Don't accept 400h as a valid sector.
Notaz said this could corrupt the emulator (even though
the console allowed this and it was a bug) so limit it to 0x3FF.
Diffstat (limited to 'libpcsxcore/psxbios.c')
| -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; |