notaz.gp2x.de
/
fceu.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
merge mapper code from FCEUX
[fceu.git]
/
mappers
/
22.c
diff --git
a/mappers/22.c
b/mappers/22.c
index
a40e05f
..
eee5365
100644
(file)
--- a/
mappers/22.c
+++ b/
mappers/22.c
@@
-1,7
+1,7
@@
/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
- * Copyright (C) 2002
Ben Parnel
l
+ * Copyright (C) 2002
Xodnize
l
*
* 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
*
* 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
@@
-15,7
+15,8
@@
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
*
* 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
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ * (VRC4 mapper)
*/
#include "mapinc.h"
*/
#include "mapinc.h"
@@
-30,12
+31,10
@@
DECLFW(Mapper22_write)
{
switch(A&0xF000)
{
{
switch(A&0xF000)
{
- case 0x8000:ROM_BANK8(0x8000,V);
- X6502_Rebase();break;
- case 0xa000:ROM_BANK8(0xA000,V);
- X6502_Rebase();break;
+ case 0x8000:ROM_BANK8(0x8000,V);break;
+ case 0xa000:ROM_BANK8(0xA000,V);break;
case 0x9000:switch(V&3)
case 0x9000:switch(V&3)
- {
+
{
case 0x00:MIRROR_SET2(1);break;
case 0x01:MIRROR_SET2(0);break;
case 0x02:onemir(0);break;
case 0x00:MIRROR_SET2(1);break;
case 0x01:MIRROR_SET2(0);break;
case 0x02:onemir(0);break;
@@
-46,20
+45,20
@@
DECLFW(Mapper22_write)
}
else
{
}
else
{
- A&=0xF003;
- if(A>=0xb000 && A<=0xe003)
- {
- int x=(A&1)|((A-0xB000)>>11);
+
A&=0xF003;
+
if(A>=0xb000 && A<=0xe003)
+
{
+
int x=(A&1)|((A-0xB000)>>11);
- K4buf[x]&=(0xF0)>>((A&2)<<1);
- K4buf[x]|=(V&0xF)<<((A&2)<<1);
- VROM_BANK1(x<<10,K4buf[x]>>1);
- }
+
K4buf[x]&=(0xF0)>>((A&2)<<1);
+
K4buf[x]|=(V&0xF)<<((A&2)<<1);
+
VROM_BANK1(x<<10,K4buf[x]>>1);
+
}
}
}
void Mapper22_init(void)
{
}
}
void Mapper22_init(void)
{
- SetWriteHandler(0x8000,0xffff,Mapper22_write);
+
SetWriteHandler(0x8000,0xffff,Mapper22_write);
}
}