libretro/mgba
1
0
Fork 0
mirror of https://github.com/libretro/mgba.git synced 2024-11-27 10:11:00 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

GBA: Fix multiboot entry point while skipping BIOS

Browse Source
This commit is contained in:
Vicki Pfau 2020-02-10 18:06:57 -08:00
parent 75e67aee17
commit 0670eebe15
2 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
CHANGES
View File

@ -5,6 +5,7 @@ Emulation fixes:
- ARM: Fix ALU reading PC after shifting
- ARM: Fix STR storing PC after address calculation
- GB Serialize: Fix timing bug loading channel 4 timing
- GBA: Fix multiboot entry point while skipping BIOS
- GBA BIOS: Fix undefined instruction HLE behavior
- GBA DMA: Linger last DMA on bus (fixes mgba.io/i/301 and mgba.io/i/1320)
- GBA Memory: Misaligned SRAM writes are ignored

2
src/gba/gba.c
View File

@ -253,7 +253,7 @@ void GBASkipBIOS(struct GBA* gba) {
if (gba->memory.rom) {
cpu->gprs[ARM_PC] = BASE_CART0;
} else {
cpu->gprs[ARM_PC] = BASE_WORKING_RAM;
cpu->gprs[ARM_PC] = BASE_WORKING_RAM + 0xC0;
}
gba->video.vcount = 0x7D;
gba->memory.io[REG_VCOUNT >> 1] = 0x7D;