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GBA: Fix multiboot entry point while skipping BIOS

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
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1
CHANGES
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@ -5,6 +5,7 @@ Emulation fixes:
- ARM: Fix ALU reading PC after shifting - ARM: Fix ALU reading PC after shifting
- ARM: Fix STR storing PC after address calculation - ARM: Fix STR storing PC after address calculation
- GB Serialize: Fix timing bug loading channel 4 timing - 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 BIOS: Fix undefined instruction HLE behavior
- GBA DMA: Linger last DMA on bus (fixes mgba.io/i/301 and mgba.io/i/1320) - GBA DMA: Linger last DMA on bus (fixes mgba.io/i/301 and mgba.io/i/1320)
- GBA Memory: Misaligned SRAM writes are ignored - GBA Memory: Misaligned SRAM writes are ignored

2
src/gba/gba.c
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@ -253,7 +253,7 @@ void GBASkipBIOS(struct GBA* gba) {
if (gba->memory.rom) { if (gba->memory.rom) {
cpu->gprs[ARM_PC] = BASE_CART0; cpu->gprs[ARM_PC] = BASE_CART0;
} else { } else {
cpu->gprs[ARM_PC] = BASE_WORKING_RAM; cpu->gprs[ARM_PC] = BASE_WORKING_RAM + 0xC0;
} }
gba->video.vcount = 0x7D; gba->video.vcount = 0x7D;
gba->memory.io[REG_VCOUNT >> 1] = 0x7D; gba->memory.io[REG_VCOUNT >> 1] = 0x7D;