X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=fceu.git;a=blobdiff_plain;f=boards%2F189.c;fp=mappers%2F57.c;h=23be63a0faa484c2895ce76e27fa3b0d77c8500d;hp=b64d270629174aeca7d3c8d8400c92b7f1e23755;hb=e2d0dd92bfad989cce4270fc0ac5a712476c7c50;hpb=971a1d07d2f5b5a6f991ed5712275c04b933734f

diff --git a/mappers/57.c b/boards/189.c
similarity index 59%
rename from mappers/57.c
rename to boards/189.c
index b64d270..23be63a 100644
--- a/mappers/57.c
+++ b/boards/189.c
@@ -1,7 +1,7 @@
 /* FCE Ultra - NES/Famicom Emulator
  *
  * Copyright notice for this file:
- *  Copyright (C) 2002 Xodnizel
+ *  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
@@ -19,31 +19,30 @@
  */
 
 #include "mapinc.h"
+#include "mmc3.h"
 
+static void M189PW(uint32 A, uint8 V)
+{
+  setprg32(0x8000,EXPREGS[0]&3);
+}
 
+static DECLFW(M189Write)
+{
+  EXPREGS[0]=V|(V>>4); //actually, there is a two versions of 189 mapper with hi or lo bits bankswitching.
+  FixMMC3PRG(MMC3_cmd);
+}
 
-static DECLFW(Mapper57_write)
+static void M189Power(void)
 {
- A&=0x8800;
- if(A==0x8800)
- {
-  mapbyte1[0]=V;
-  if(V&0x80)
-   ROM_BANK32(2|(V>>6));
-  else
-  {
-   ROM_BANK16(0x8000,(V>>5)&3);
-   ROM_BANK16(0xc000,(V>>5)&3);
-  }
-  MIRROR_SET((V&0x8)>>3);
- }
- else
-  mapbyte1[1]=V;
- VROM_BANK8((mapbyte1[1]&3)|(mapbyte1[0]&7)|((mapbyte1[0]&0x10)>>1));
- //printf("$%04x:$%02x\n",A,V);
+  EXPREGS[0]=EXPREGS[1]=0;
+  GenMMC3Power();
+  SetWriteHandler(0x4120,0x7FFF,M189Write);
 }
 
-void Mapper57_init(void)
+void Mapper189_Init(CartInfo *info)
 {
- SetWriteHandler(0x8000,0xffff,Mapper57_write);
+  GenMMC3_Init(info, 256, 256, 0, 0);
+  pwrap=M189PW;
+  info->Power=M189Power;
+  AddExState(EXPREGS, 2, 0, "EXPR");
 }