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cleanup
[fceu.git]
/
mappers
/
43.c
diff --git
a/mappers/43.c
b/mappers/43.c
index
0ca0cee
..
ef7d40d
100644
(file)
--- a/
mappers/43.c
+++ b/
mappers/43.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
@@
-22,43
+22,55
@@
-DECLFW(Mapper43_write)
+
static
DECLFW(Mapper43_write)
{
{
-
uint32 m
;
- int z;
-
- if(A&0x400)
-
onemir(0)
;
+
//printf("$%04x:$%02x\n",A,V)
;
+ if((A&0x8122)==0x8122)
+ {
+ X6502_IRQEnd(FCEU_IQEXT);
+
if(V&2) IRQa=1
;
else
else
- MIRROR_SET((A>>13)&1);
- m=A&0x1f;
+ IRQCount=IRQa=0;
+ }
+}
- z=(A>>8)&3;
+static DECLFW(M43Low)
+{
+// int transo[8]={4,3,4,4,4,7,5,6};
+ int transo[8]={4,3,2,3,4,7,5,6};
+ A&=0xF0FF;
+ if(A==0x4022)
+ setprg8(0x6000,transo[V&7]);
+ //printf("$%04x:$%02x\n",A,V);
+}
- switch(CHRmask8[0])
+static void FP_FASTAPASS(1) M43Ho(int a)
+{
+ IRQCount+=a;
+ if(IRQa)
+ if(IRQCount>=4096)
{
{
- default:
- case 0xFF:
- if(z&2)
- m|=0x20;
- break;
- case 0x1FF:
- m|=z<<5;
- break;
+ X6502_IRQBegin(FCEU_IQEXT);
}
}
-
- if(A&0x800)
- {
- ROM_BANK16(0x8000,(m<<1)|((A&0x1000)>>12));
- ROM_BANK16(0xC000,(m<<1)|((A&0x1000)>>12));
- }
- else
- ROM_BANK32(m);
- X6502_Rebase();
}
}
+//static DECLFR(boo)
+//{
+// printf("$%04x\n",A);
+// return( ROM[0x2000*8 +0x1000 +(A-0x5000)]);
+//}
+
void Mapper43_init(void)
{
void Mapper43_init(void)
{
- ROM_BANK32(0);
+ setprg4(0x5000,16);
+ setprg8(0x6000,2);
+ setprg8(0x8000,1);
+ setprg8(0xa000,0);
+ setprg8(0xc000,4);
+ setprg8(0xe000,9);
SetWriteHandler(0x8000,0xffff,Mapper43_write);
SetWriteHandler(0x8000,0xffff,Mapper43_write);
+ SetWriteHandler(0x4020,0x7fff,M43Low);
+ //SetReadHandler(0x5000,0x5fff,boo);
+ SetReadHandler(0x6000,0xffff,CartBR);
+ MapIRQHook=M43Ho;
}
}