SetReadHandler(0x5000,0x5FFF,M187Read);
SetWriteHandler(0x5000,0x5FFF,M187WriteLo);
SetWriteHandler(0x8000,0x8000,M187Write8000);
SetReadHandler(0x5000,0x5FFF,M187Read);
SetWriteHandler(0x5000,0x5FFF,M187WriteLo);
SetWriteHandler(0x8000,0x8000,M187Write8000);