26 lines
725 B
C
26 lines
725 B
C
#define VRC1_reg regByte
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static void VRC1_sync () {
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setprg8(0x8000, VRC1_reg[0] &prgAND | prgOR &~prgAND);
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setprg8(0xA000, VRC1_reg[2] &prgAND | prgOR &~prgAND);
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setprg8(0xC000, VRC1_reg[4] &prgAND | prgOR &~prgAND);
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setprg8(0xE000, 0xFF &prgAND | prgOR &~prgAND);
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setchr4(0x0000, VRC1_reg[6] &0x0F | VRC1_reg[1] <<3 &0x10);
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setchr4(0x1000, VRC1_reg[7] &0x0F | VRC1_reg[1] <<2 &0x10);
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setmirror(VRC1_reg[1] &1? MI_H: MI_V);
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}
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static DECLFW(VRC1_writeReg) {
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VRC1_reg[A >>12 &7] =V;
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sync();
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}
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void VRC1_reset(uint8 clearRegs) {
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sync =VRC1_sync;
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prgAND =mapperFlags &8? (mapperFlags &4? (mapperFlags &2? 0x0F: 0x1F): 0x3F): 0x7F;
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SetWriteHandler(0x8000, 0xFFFF, VRC1_writeReg);
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sync();
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}
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#undef VRC1_reg
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