87 lines
2.0 KiB
C
87 lines
2.0 KiB
C
|
/* FCE Ultra - NES/Famicom Emulator
|
||
|
*
|
||
|
* Copyright notice for this file:
|
||
|
* Copyright (C) 2006 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
|
||
|
*/
|
||
|
|
||
|
#include "mapinc.h"
|
||
|
#include "mmc3.h"
|
||
|
|
||
|
static uint8 *CHRRAM;
|
||
|
static uint8 tekker;
|
||
|
|
||
|
static void MSHCW(uint32 A, uint8 V)
|
||
|
{
|
||
|
if(EXPREGS[0]&0x40)
|
||
|
setchr8r(0x10,0);
|
||
|
else
|
||
|
{
|
||
|
if(A<0x800)
|
||
|
setchr1(A,V|((EXPREGS[0]&8)<<5));
|
||
|
else if(A<0x1000)
|
||
|
setchr1(A,V|((EXPREGS[0]&4)<<6));
|
||
|
else if(A<0x1800)
|
||
|
setchr1(A,V|((EXPREGS[0]&1)<<8));
|
||
|
else
|
||
|
setchr1(A,V|((EXPREGS[0]&2)<<7));
|
||
|
}
|
||
|
}
|
||
|
|
||
|
static DECLFW(MSHWrite)
|
||
|
{
|
||
|
EXPREGS[0]=V;
|
||
|
FixMMC3CHR(MMC3_cmd);
|
||
|
}
|
||
|
|
||
|
static DECLFR(MSHRead)
|
||
|
{
|
||
|
return(tekker);
|
||
|
}
|
||
|
|
||
|
static void MSHReset(void)
|
||
|
{
|
||
|
MMC3RegReset();
|
||
|
tekker^=0xFF;
|
||
|
}
|
||
|
|
||
|
static void MSHPower(void)
|
||
|
{
|
||
|
tekker=0x00;
|
||
|
GenMMC3Power();
|
||
|
SetWriteHandler(0x4100,0x4100,MSHWrite);
|
||
|
SetReadHandler(0x4100,0x4100,MSHRead);
|
||
|
}
|
||
|
|
||
|
static void MSHClose(void)
|
||
|
{
|
||
|
if(CHRRAM)
|
||
|
FCEU_gfree(CHRRAM);
|
||
|
CHRRAM=NULL;
|
||
|
}
|
||
|
|
||
|
void UNLSHeroes_Init(CartInfo *info)
|
||
|
{
|
||
|
GenMMC3_Init(info, 256, 512, 0, 0);
|
||
|
cwrap=MSHCW;
|
||
|
info->Power=MSHPower;
|
||
|
info->Reset=MSHReset;
|
||
|
info->Close=MSHClose;
|
||
|
CHRRAM = (uint8*)FCEU_gmalloc(8192);
|
||
|
SetupCartCHRMapping(0x10, CHRRAM, 8192, 1);
|
||
|
AddExState(EXPREGS, 4, 0, "EXPR");
|
||
|
}
|