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GB I/O: Read back proper SVBK value after writing 0 (fixes #2921)

This commit is contained in:
Vicki Pfau 2023-05-09 14:50:57 -07:00
parent 84d600cba6
commit 97162280f9
2 changed files with 2 additions and 1 deletions
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1
CHANGES
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@ -1,6 +1,7 @@
0.10.3: (Future)
Emulation fixes:
- GB Audio: Fix channels 1/2 staying muted if restarted after long silence
- GB I/O: Read back proper SVBK value after writing 0 (fixes mgba.io/i/2921)
- GB SIO: Disabling SIO should cancel pending transfers (fixes mgba.io/i/2537)
- GBA BIOS: Fix clobbering registers with word-sized CpuSet

2
src/gb/io.c
View File

@ -491,7 +491,7 @@ void GBIOWrite(struct GB* gb, unsigned address, uint8_t value) {
return;
case GB_REG_SVBK:
GBMemorySwitchWramBank(&gb->memory, value);
value = gb->memory.wramCurrentBank;
value &= 7;
break;
default:
goto failed;