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fix arm7 vram timings

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my bad!
This commit is contained in:
Jaklyy 2025-01-08 13:23:42 -05:00
parent 8151f5406d
commit 9cb9f4296f
2 changed files with 11 additions and 5 deletions
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14
src/DSi.cpp
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@ -1340,10 +1340,16 @@ void DSi::Set_SCFG_MC(u32 val)
void DSi::SetVRAMTimings(bool extrabuswidth)
{
if (extrabuswidth)
SetARM9RegionTimings(0x06000, 0x07000, Mem9_VRAM, 32, 1, 1); // dsi vram
else
SetARM9RegionTimings(0x06000, 0x07000, Mem9_VRAM, 16, 1, 1); // ds vram
if (extrabuswidth) // 32 bit bus; arm9 can do 8 bit writes
{
SetARM9RegionTimings(0x06000, 0x07000, Mem9_VRAM, 32, 1, 1);
SetARM7RegionTimings(0x06000, 0x07000, Mem7_VRAM, 32, 1, 1);
}
else // 16 bit bus; arm9 cannot do 8 bit writes
{
SetARM9RegionTimings(0x06000, 0x07000, Mem9_VRAM, 16, 1, 1);
SetARM7RegionTimings(0x06000, 0x07000, Mem7_VRAM, 16, 1, 1);
}
}

2
src/NDS.cpp
View file

@ -270,7 +270,7 @@ void NDS::InitTimings()
SetARM7RegionTimings(0x02000, 0x03000, Mem7_MainRAM, 16, 8, 1); // main RAM
SetARM7RegionTimings(0x03000, 0x04000, Mem7_WRAM, 32, 1, 1); // ARM7/shared WRAM
SetARM7RegionTimings(0x04000, 0x04800, Mem7_IO, 32, 1, 1); // IO
SetARM7RegionTimings(0x06000, 0x07000, Mem7_VRAM, 32, 1, 1); // ARM7 VRAM
SetARM7RegionTimings(0x06000, 0x07000, Mem7_VRAM, 16, 1, 1); // ARM7 VRAM
// handled later: GBA slot, wifi
}