/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
- * Copyright (C) 2002 Ben Parnell
+ * Copyright (C) 2005 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
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-/* Not finished. Darn evil game... *Mumble*... */
-
#include "mapinc.h"
+#include "mmc3.h"
-static uint8 cmd;
-static uint8 regs[8];
+extern uint8 m114_perm[8];
-static void DoPRG(void)
+static void H2288PW(uint32 A, uint8 V)
{
- if(cmd&0x40)
- {
- setprg8(0xC000,regs[4]);
- setprg8(0xA000,regs[5]);
- setprg8(0x8000,~1);
- setprg8(0xE000,~0);
- }
- else
- {
- setprg8(0x8000,regs[4]);
- setprg8(0xA000,regs[5]);
- setprg8(0xC000,~1);
- setprg8(0xE000,~0);
- }
+ if(EXPREGS[0]&0x40)
+ {
+ uint8 bank=(EXPREGS[0]&5)|((EXPREGS[0]&8)>>2)|((EXPREGS[0]&0x20)>>2);
+ if(EXPREGS[0]&2)
+ setprg32(0x8000,bank>>1);
+ else
+ {
+ setprg16(0x8000,bank);
+ setprg16(0xC000,bank);
+ }
+ }
+ else
+ setprg8(A,V&0x3F);
}
-static void DoCHR(void)
+static DECLFW(H2288WriteHi)
{
- uint32 base=(cmd&0x80)<<5;
-
- setchr2(0x0000^base,regs[0]);
- setchr2(0x0800^base,regs[2]);
-
- setchr1(0x1000^base,regs[6]);
- setchr1(0x1400^base,regs[1]);
- setchr1(0x1800^base,regs[7]);
- setchr1(0x1c00^base,regs[3]);
+ switch (A&0x8001)
+ {
+ case 0x8000: MMC3_CMDWrite(0x8000,(V&0xC0)|(m114_perm[V&7])); break;
+ case 0x8001: MMC3_CMDWrite(0x8001,V); break;
+ }
}
-static DECLFW(H2288Write)
+static DECLFW(H2288WriteLo)
{
- //printf("$%04x:$%02x, $%04x\n",A,V,X.PC.W);
- //RAM[0x7FB]=0x60;
- switch(A&0xE001)
- {
- case 0xa000:setmirror((V&1)^1);break;
- case 0x8000:// DumpMem("out",0x0000,0xFFFF);
- cmd=V;DoPRG();DoCHR();
- X6502_Rebase();break;
- case 0x8001:regs[cmd&7]=V;
- if((cmd&7)==4 || (cmd&7)==5) {
- DoPRG();
- X6502_Rebase();
- } else
- DoCHR();
- break;
- }
+ if(A&0x800)
+ {
+ if(A&1)
+ EXPREGS[1]=V;
+ else
+ EXPREGS[0]=V;
+ FixMMC3PRG(MMC3_cmd);
+ }
}
static DECLFR(H2288Read)
{
- //printf("Rd: $%04x, $%04x\n",A,X.PC.W);
- return((X.DB&0xFE)|(A&(A>>8)));
+ int bit;
+ bit=(A&1)^1;
+ bit&=((A>>8)&1);
+ bit^=1;
+ return((X.DB&0xFE)|bit);
}
-static void H2288Reset(void)
+static void H2288Power(void)
{
- int x;
-
- SetReadHandler(0x5800,0x5FFF,H2288Read);
+ EXPREGS[0]=EXPREGS[1]=0;
+ GenMMC3Power();
+ SetReadHandler(0x5000,0x5FFF,H2288Read);
SetReadHandler(0x8000,0xFFFF,CartBR);
- SetWriteHandler(0x8000,0xFFFF,H2288Write);
- for(x=0;x<8;x++) regs[x]=0;
- cmd=0;
- DoPRG();
- DoCHR();
+ SetWriteHandler(0x5000,0x5FFF,H2288WriteLo);
+ SetWriteHandler(0x8000,0x8FFF,H2288WriteHi);
}
-void H2288_Init(void)
+void UNLH2288_Init(CartInfo *info)
{
- BoardPower=H2288Reset;
+ GenMMC3_Init(info, 256, 256, 0, 0);
+ pwrap=H2288PW;
+ info->Power=H2288Power;
+ AddExState(EXPREGS, 2, 0, "EXPR");
}