AxibugEmuOnline/virtuanessrc097-master/NES/Mapper/Mapper058.cpp

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//////////////////////////////////////////////////////////////////////////
// Mapper058 //
//////////////////////////////////////////////////////////////////////////
void Mapper058::Reset()
{
SetPROM_32K_Bank( 0, 1, 0, 1 );
if( VROM_1K_SIZE ) {
SetVROM_8K_Bank( 0 );
}
}
void Mapper058::Write( WORD addr, BYTE data )
{
if( addr & 0x40 ) {
SetPROM_16K_Bank( 4, addr&0x07 );
SetPROM_16K_Bank( 6, addr&0x07 );
} else {
SetPROM_32K_Bank( (addr&0x06)>>1 );
}
if( VROM_1K_SIZE ) {
SetVROM_8K_Bank( (addr&0x38)>>3 );
}
if( data & 0x02 ) SetVRAM_Mirror( VRAM_VMIRROR );
else SetVRAM_Mirror( VRAM_HMIRROR );
}