mirror of
https://github.com/dborth/fceugx.git
synced 2024-11-01 15:05:05 +01:00
64 lines
1.7 KiB
C++
64 lines
1.7 KiB
C++
|
/* FCE Ultra - NES/Famicom Emulator
|
||
|
|
*
|
||
|
|
* Copyright notice for this file:
|
||
|
|
* Copyright (C) 2012 CaH4e3
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License as published by
|
||
|
|
* the Free Software Foundation; either version 2 of the License, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
*
|
||
|
|
* TXC/Micro Genius simplified mapper
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "mapinc.h"
|
||
|
|
|
||
|
|
static uint8 latche;
|
||
|
|
|
||
|
|
static SFORMAT StateRegs[] =
|
||
|
|
{
|
||
|
|
{ &latche, 1, "LATC" },
|
||
|
|
{ 0 }
|
||
|
|
};
|
||
|
|
|
||
|
|
static void Sync(void) {
|
||
|
|
setprg32(0x8000, latche >> 4);
|
||
|
|
setchr8(latche & 0xf);
|
||
|
|
}
|
||
|
|
|
||
|
|
static DECLFW(M36Write) {
|
||
|
|
latche = V;
|
||
|
|
Sync();
|
||
|
|
}
|
||
|
|
|
||
|
|
static DECLFR(M36Read) {
|
||
|
|
return latche; // Need by Strike Wolf, being simplified mapper, this cart still uses some TCX mapper features andrely on it
|
||
|
|
}
|
||
|
|
|
||
|
|
static void M36Power(void) {
|
||
|
|
latche = 0;
|
||
|
|
Sync();
|
||
|
|
SetReadHandler(0x4100, 0x4100, M36Read);
|
||
|
|
SetReadHandler(0x8000, 0xFFFF, CartBR);
|
||
|
|
SetWriteHandler(0x8000, 0xFFFE, M36Write); // Actually, BUS conflict there preventing from triggering the wrong banks
|
||
|
|
}
|
||
|
|
|
||
|
|
static void M36Restore(int version) {
|
||
|
|
Sync();
|
||
|
|
}
|
||
|
|
|
||
|
|
void Mapper36_Init(CartInfo *info) {
|
||
|
|
info->Power = M36Power;
|
||
|
|
GameStateRestore = M36Restore;
|
||
|
|
AddExState(StateRegs, ~0, 0, 0);
|
||
|
|
}
|