mirror of
https://github.com/dborth/fceugx.git
synced 2024-11-01 15:05:05 +01:00
110 lines
2.3 KiB
C++
110 lines
2.3 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
* 700in1 and 400in1 carts
|
|
*/
|
|
|
|
|
|
#include "mapinc.h"
|
|
|
|
static uint16 cmd, bank;
|
|
|
|
static SFORMAT StateRegs[]=
|
|
{
|
|
{&cmd, 2, "CMD"},
|
|
{&bank, 2, "BANK"},
|
|
{0}
|
|
};
|
|
|
|
static void Sync(void)
|
|
{
|
|
setmirror((cmd&1)^1);
|
|
setchr8(0);
|
|
if(cmd&2)
|
|
{
|
|
if(cmd&0x100)
|
|
{
|
|
setprg16(0x8000,((cmd&0xfc)>>2)|bank);
|
|
setprg16(0xC000,((cmd&0xfc)>>2)|7);
|
|
}
|
|
else
|
|
{
|
|
setprg16(0x8000,((cmd&0xfc)>>2)|(bank&6));
|
|
setprg16(0xC000,((cmd&0xfc)>>2)|((bank&6)|1));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
setprg16(0x8000,((cmd&0xfc)>>2)|bank);
|
|
setprg16(0xC000,((cmd&0xfc)>>2)|bank);
|
|
}
|
|
}
|
|
|
|
static uint16 ass = 0;
|
|
|
|
static DECLFW(UNLN625092WriteCommand)
|
|
{
|
|
cmd=A;
|
|
if(A==0x80F8)
|
|
{
|
|
setprg16(0x8000,ass);
|
|
setprg16(0xC000,ass);
|
|
}
|
|
else
|
|
{
|
|
Sync();
|
|
}
|
|
}
|
|
|
|
static DECLFW(UNLN625092WriteBank)
|
|
{
|
|
bank=A&7;
|
|
Sync();
|
|
}
|
|
|
|
static void UNLN625092Power(void)
|
|
{
|
|
cmd=0;
|
|
bank=0;
|
|
Sync();
|
|
SetReadHandler(0x8000,0xFFFF,CartBR);
|
|
SetWriteHandler(0x8000,0xBFFF,UNLN625092WriteCommand);
|
|
SetWriteHandler(0xC000,0xFFFF,UNLN625092WriteBank);
|
|
}
|
|
|
|
static void UNLN625092Reset(void)
|
|
{
|
|
cmd=0;
|
|
bank=0;
|
|
ass++;
|
|
FCEU_printf("%04x\n",ass);
|
|
}
|
|
|
|
static void StateRestore(int version)
|
|
{
|
|
Sync();
|
|
}
|
|
|
|
void UNLN625092_Init(CartInfo *info)
|
|
{
|
|
info->Reset=UNLN625092Reset;
|
|
info->Power=UNLN625092Power;
|
|
GameStateRestore=StateRestore;
|
|
AddExState(&StateRegs, ~0, 0, 0);
|
|
}
|