21 lines
375 B
C++
21 lines
375 B
C++
|
#include "mapinc.h"
|
||
|
|
|
||
|
|
static DECLFW(m193w)
|
||
|
|
{
|
||
|
|
//printf("$%04x:$%02x\n",A,V);
|
||
|
|
switch(A&3)
|
||
|
|
{
|
||
|
|
case 0:VROM_BANK4(0x0000,V>>2);break;
|
||
|
|
case 1:VROM_BANK2(0x1000,V>>1);break;
|
||
|
|
case 2:VROM_BANK2(0x1800,V>>1);break;
|
||
|
|
case 3:ROM_BANK8(0x8000,V);break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void Mapper193_init(void)
|
||
|
|
{
|
||
|
|
ROM_BANK32(~0);
|
||
|
|
SetWriteHandler(0x4018,0x7fff,m193w);
|
||
|
|
SetReadHandler(0x4018,0x7fff,0);
|
||
|
|
}
|