AxibugEmuOnline/virtuanessrc097-master/NES/Mapper/Mapper061.cpp

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//////////////////////////////////////////////////////////////////////////
// Mapper061 //
//////////////////////////////////////////////////////////////////////////
void Mapper061::Reset()
{
SetPROM_32K_Bank( 0, 1, PROM_8K_SIZE-2, PROM_8K_SIZE-1 );
}
void Mapper061::Write( WORD addr, BYTE data )
{
switch( addr & 0x30 ) {
case 0x00:
case 0x30:
SetPROM_32K_Bank( addr & 0x0F );
break;
case 0x10:
case 0x20:
SetPROM_16K_Bank( 4, ((addr & 0x0F)<<1)|((addr&0x20)>>4) );
SetPROM_16K_Bank( 6, ((addr & 0x0F)<<1)|((addr&0x20)>>4) );
break;
}
if( addr & 0x80 ) SetVRAM_Mirror( VRAM_HMIRROR );
else SetVRAM_Mirror( VRAM_VMIRROR );
}