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pcehawk: mask only when addr attached to vram

This commit is contained in:
Asnivor 2018-12-03 23:06:48 +00:00
parent 0687d4a304
commit 04b84a5c2e
1 changed files with 5 additions and 5 deletions
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10
BizHawk.Emulation.Cores/Consoles/PC Engine/VDC.cs
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@ -227,8 +227,8 @@ namespace BizHawk.Emulation.Cores.PCEngine
for (; Registers[LENR] < 0xFFFF; Registers[LENR]--, wordsDone++)
{
VRAM[Registers[DESR] & 0x7FFF] = VRAM[Registers[SOUR] & 0x7FFF];
UpdatePatternData((ushort)(Registers[DESR] & 0x7FFF));
UpdateSpriteData((ushort)(Registers[DESR] & 0x7FFF));
UpdatePatternData(Registers[DESR]);
UpdateSpriteData(Registers[DESR]);
Registers[DESR] = (ushort)(Registers[DESR] + advanceDest);
Registers[SOUR] = (ushort)(Registers[SOUR] + advanceSource);
@ -267,8 +267,8 @@ namespace BizHawk.Emulation.Cores.PCEngine
int tileNo = addr >> 4;
int tileLineOffset = addr & 0x7;
int bitplane01 = VRAM[(tileNo * 16) + tileLineOffset];
int bitplane23 = VRAM[(tileNo * 16) + tileLineOffset + 8];
int bitplane01 = VRAM[((tileNo * 16) + tileLineOffset) & 0x7FFF];
int bitplane23 = VRAM[((tileNo * 16) + tileLineOffset + 8) & 0x7FFF];
int patternBufferBase = (tileNo * 64) + (tileLineOffset * 8);
@ -290,7 +290,7 @@ namespace BizHawk.Emulation.Cores.PCEngine
int line = addr & 0x0F;
int ofs = (tileNo * 256) + (line * 16) + 15;
ushort value = VRAM[addr];
ushort value = VRAM[addr & 0x7FFF];
byte bitAnd = (byte)(~(1 << bitplane));
byte bitOr = (byte)(1 << bitplane);