package com.grapeshot.halfnes.mappers;
import com.grapeshot.halfnes.*;
public class Mapper226 extends Mapper {
int[] reg = {0, 0};
@Override
public void loadrom() throws BadMapperException {
//needs to be in every mapper. Fill with initial cfg
super.loadrom();
for (int i = 0; i < 32; ++i) {
prg_map[i] = (1024 * i) & (prgsize - 1);
}
for (int i = 0; i < 8; ++i) {
chr_map[i] = (1024 * i) & (chrsize - 1);
}
}
@Override
public final void cartWrite(final int addr, final int data) {
if (addr < 0x8000 || addr > 0xFFFF) {
super.cartWrite(addr, data);
return;
}
reg[addr & 1] = data;
int bank = ((reg[0] >> 1 & 0x0F) | (reg[0] >> 3 & 0x10) | (reg[1] << 5 & 0x20));
setmirroring(((reg[0] & (utils.BIT6)) != 0) ? MirrorType.V_MIRROR : MirrorType.H_MIRROR);
if ((reg[0] & 0x20) != 0) {
bank = (bank << 1) | (reg[0] & 1);
for (int i = 0; i < 16; ++i) {
prg_map[i] = (1024 * (i + 16 * bank)) & (prgsize - 1);
}
for (int i = 0; i < 16; ++i) {
prg_map[i + 16] = (1024 * (i + 16 * bank)) & (prgsize - 1);
}
} else {
for (int i = 0; i < 32; ++i) {
prg_map[i] = (1024 * (i + 32 * bank)) & (prgsize - 1);
}
}
}
}