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fix potential issues with 32bit GPU writes

This commit is contained in:
Arisotura 2022-04-10 15:11:30 +02:00
parent 0294bcb5f2
commit 529a690089
1 changed files with 24 additions and 23 deletions
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47
src/GPU2D.cpp
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@ -532,31 +532,32 @@ void Unit::Write32(u32 addr, u32 val)
return;
}
if (!Enabled) return;
switch (addr & 0x00000FFF)
if (Enabled)
{
case 0x028:
if (val & 0x08000000) val |= 0xF0000000;
BGXRef[0] = val;
if (GPU::VCount < 192) BGXRefInternal[0] = BGXRef[0];
return;
case 0x02C:
if (val & 0x08000000) val |= 0xF0000000;
BGYRef[0] = val;
if (GPU::VCount < 192) BGYRefInternal[0] = BGYRef[0];
return;
switch (addr & 0x00000FFF)
{
case 0x028:
if (val & 0x08000000) val |= 0xF0000000;
BGXRef[0] = val;
if (GPU::VCount < 192) BGXRefInternal[0] = BGXRef[0];
return;
case 0x02C:
if (val & 0x08000000) val |= 0xF0000000;
BGYRef[0] = val;
if (GPU::VCount < 192) BGYRefInternal[0] = BGYRef[0];
return;
case 0x038:
if (val & 0x08000000) val |= 0xF0000000;
BGXRef[1] = val;
if (GPU::VCount < 192) BGXRefInternal[1] = BGXRef[1];
return;
case 0x03C:
if (val & 0x08000000) val |= 0xF0000000;
BGYRef[1] = val;
if (GPU::VCount < 192) BGYRefInternal[1] = BGYRef[1];
return;
case 0x038:
if (val & 0x08000000) val |= 0xF0000000;
BGXRef[1] = val;
if (GPU::VCount < 192) BGXRefInternal[1] = BGXRef[1];
return;
case 0x03C:
if (val & 0x08000000) val |= 0xF0000000;
BGYRef[1] = val;
if (GPU::VCount < 192) BGYRefInternal[1] = BGYRef[1];
return;
}
}
Write16(addr, val&0xFFFF);