mirror of
https://github.com/dborth/fceugx.git
synced 2024-11-01 23:15:07 +01:00
83 lines
2.1 KiB
C++
83 lines
2.1 KiB
C++
|
/* FCE Ultra - NES/Famicom Emulator
|
||
|
|
*
|
||
|
|
* Copyright notice for this file:
|
||
|
|
* Copyright (C) 2008 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||
|
|
*/
|
||
|
|
|
||
|
|
// M-022 MMC3 based 830118C T-106 4M + 4M
|
||
|
|
|
||
|
|
#include "mapinc.h"
|
||
|
|
#include "mmc3.h"
|
||
|
|
|
||
|
|
static uint8 reset_flag = 0;
|
||
|
|
|
||
|
|
static void BMC830118CCW(uint32 A, uint8 V)
|
||
|
|
{
|
||
|
|
setchr1(A,(V&0x7F)|((EXPREGS[0]&0x0c)<<5));
|
||
|
|
}
|
||
|
|
|
||
|
|
static void BMC830118CPW(uint32 A, uint8 V)
|
||
|
|
{
|
||
|
|
if((EXPREGS[0]&0x0C)==0x0C)
|
||
|
|
{
|
||
|
|
if(A==0x8000)
|
||
|
|
{
|
||
|
|
setprg8(A,(V&0x0F)|((EXPREGS[0]&0x0c)<<2));
|
||
|
|
setprg8(0xC000,(V&0x0F)|0x32);
|
||
|
|
}
|
||
|
|
else if(A==0xA000)
|
||
|
|
{
|
||
|
|
setprg8(A,(V&0x0F)|((EXPREGS[0]&0x0c)<<2));
|
||
|
|
setprg8(0xE000,(V&0x0F)|0x32);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
setprg8(A,(V&0x0F)|((EXPREGS[0]&0x0c)<<2));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static DECLFW(BMC830118CLoWrite)
|
||
|
|
{
|
||
|
|
EXPREGS[0] = V;
|
||
|
|
FixMMC3PRG(MMC3_cmd);
|
||
|
|
FixMMC3CHR(MMC3_cmd);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void BMC830118CReset(void)
|
||
|
|
{
|
||
|
|
EXPREGS[0]=0;
|
||
|
|
MMC3RegReset();
|
||
|
|
}
|
||
|
|
|
||
|
|
static void BMC830118CPower(void)
|
||
|
|
{
|
||
|
|
EXPREGS[0] = 0;
|
||
|
|
GenMMC3Power();
|
||
|
|
SetWriteHandler(0x6800,0x68FF,BMC830118CLoWrite);
|
||
|
|
}
|
||
|
|
|
||
|
|
void BMC830118C_Init(CartInfo *info)
|
||
|
|
{
|
||
|
|
GenMMC3_Init(info, 128, 128, 8, 0);
|
||
|
|
pwrap=BMC830118CPW;
|
||
|
|
cwrap=BMC830118CCW;
|
||
|
|
info->Power=BMC830118CPower;
|
||
|
|
info->Reset=BMC830118CReset;
|
||
|
|
AddExState(EXPREGS, 1, 0, "EXPR");
|
||
|
|
}
|