35 lines
894 B
C#
35 lines
894 B
C#
//////////////////////////////////////////////////////////////////////////
|
|
// Mapper133 SACHEN CHEN //
|
|
//////////////////////////////////////////////////////////////////////////
|
|
using static VirtualNes.MMU;
|
|
|
|
|
|
namespace VirtualNes.Core
|
|
{
|
|
public class Mapper133 : Mapper
|
|
{
|
|
public Mapper133(NES parent) : base(parent)
|
|
{
|
|
}
|
|
|
|
public override void Reset()
|
|
{
|
|
SetPROM_32K_Bank(0);
|
|
SetVROM_8K_Bank(0);
|
|
}
|
|
|
|
//void Mapper133::WriteLow(WORD addr, BYTE data)
|
|
public override void WriteLow(ushort addr, byte data)
|
|
{
|
|
if (addr == 0x4120)
|
|
{
|
|
SetPROM_32K_Bank((data & 0x04) >> 2);
|
|
SetVROM_8K_Bank(data & 0x03);
|
|
}
|
|
CPU_MEM_BANK[addr >> 13][addr & 0x1FFF] = data;
|
|
}
|
|
|
|
|
|
}
|
|
}
|