kopia lustrzana https://github.com/Jean-MarcHarvengt/MCUME
96 wiersze
2.3 KiB
C
Executable File
96 wiersze
2.3 KiB
C
Executable File
/*
|
|
** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com)
|
|
**
|
|
**
|
|
** This program is free software; you can redistribute it and/or
|
|
** modify it under the terms of version 2 of the GNU Library General
|
|
** Public License as published by the Free Software Foundation.
|
|
**
|
|
** 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
|
|
** Library General Public License for more details. To obtain a
|
|
** copy of the GNU Library General Public License, write to the Free
|
|
** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
**
|
|
** Any permitted reproduction of these routines, in whole or in part,
|
|
** must bear this legend.
|
|
**
|
|
**
|
|
** map231.c
|
|
**
|
|
** mapper 231 interface
|
|
** $Id: map231.c,v 1.2 2001/04/27 14:37:11 neil Exp $
|
|
*/
|
|
|
|
#include "noftypes.h"
|
|
#include "nes_mmc.h"
|
|
|
|
/* mapper 231: NINA-07, used in Wally Bear and the NO! Gang */
|
|
|
|
static void map231_init(void)
|
|
{
|
|
mmc_bankrom(32, 0x8000, MMC_LASTBANK);
|
|
}
|
|
|
|
static void map231_write(uint32 address, uint8 value)
|
|
{
|
|
int bank, vbank;
|
|
UNUSED(address);
|
|
|
|
bank = ((value & 0x80) >> 5) | (value & 0x03);
|
|
vbank = (value >> 4) & 0x07;
|
|
|
|
mmc_bankrom(32, 0x8000, bank);
|
|
mmc_bankvrom(8, 0x0000, vbank);
|
|
}
|
|
|
|
static const map_memwrite map231_memwrite[] =
|
|
{
|
|
{ 0x8000, 0xFFFF, map231_write },
|
|
{ -1, -1, NULL }
|
|
};
|
|
|
|
const mapintf_t map231_intf =
|
|
{
|
|
231, /* mapper number */
|
|
"NINA-07", /* mapper name */
|
|
map231_init, /* init routine */
|
|
NULL, /* vblank callback */
|
|
NULL, /* hblank callback */
|
|
NULL, /* get state (snss) */
|
|
NULL, /* set state (snss) */
|
|
NULL, /* memory read structure */
|
|
map231_memwrite, /* memory write structure */
|
|
NULL /* external sound device */
|
|
};
|
|
|
|
/*
|
|
** $Log: map231.c,v $
|
|
** Revision 1.2 2001/04/27 14:37:11 neil
|
|
** wheeee
|
|
**
|
|
** Revision 1.1 2001/04/27 12:54:40 neil
|
|
** blah
|
|
**
|
|
** Revision 1.1.1.1 2001/04/27 07:03:54 neil
|
|
** initial
|
|
**
|
|
** Revision 1.1 2000/10/24 12:19:33 matt
|
|
** changed directory structure
|
|
**
|
|
** Revision 1.4 2000/10/22 19:17:46 matt
|
|
** mapper cleanups galore
|
|
**
|
|
** Revision 1.3 2000/10/21 19:33:38 matt
|
|
** many more cleanups
|
|
**
|
|
** Revision 1.2 2000/08/16 02:50:11 matt
|
|
** random mapper cleanups
|
|
**
|
|
** Revision 1.1 2000/07/11 03:14:18 melanson
|
|
** Initial commit for mappers 16, 34, and 231
|
|
**
|
|
**
|
|
*/
|