X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=fceu.git;a=blobdiff_plain;f=mappers%2F27.c;fp=mappers%2F27.c;h=e1afc229651892e173e626b5f6fa4981245c5461;hp=4b5cd732a34600fdbe557dc11912477aa331dc9b;hb=386f5371eb984fb9c2860c83e740890a75cd45c1;hpb=eec2623f6183dd0f9494b99065a16bf90f2a1ccf

diff --git a/mappers/27.c b/mappers/27.c
index 4b5cd73..e1afc22 100644
--- a/mappers/27.c
+++ b/mappers/27.c
@@ -1,74 +1,69 @@
-#include "mapinc.h"
-
-static uint32 regchr[9];
-
-static DECLFW(Mapper27_write)
-{
- A&=0xF00F;
- int regnum;
- if((A>=0xB000) && (A<=0xE003)) {
-    regnum=((((A>>12)+1)&0x03)<<1)|((A&0x02)>>1);
-    if(A&1)
-       regchr[regnum]=(regchr[regnum]&0x0F)|(V<<4);
-    else
-       regchr[regnum]=(regchr[regnum]&0xFF0)|(V&0xF);
-    VROM_BANK1(regnum<<10,regchr[regnum]);
- }
- switch(A)
- {
-  case 0x8000: if(regchr[8]&2)
-                  ROM_BANK8(0xc000,V);
-               else
-                  ROM_BANK8(0x8000,V);
-               break;
-  case 0xA000: ROM_BANK8(0xa000,V); break;
-  case 0x9000:
-               switch(V&3){
-                  case 0:setmirror(MI_V);break;
-                  case 1:setmirror(MI_H);break;
-                  case 2:setmirror(MI_0);break;
-                  case 3:setmirror(MI_1);break;
-               }
-  case 0x9002: regchr[8]=V; break;
-  case 0xF000: //X6502_IRQEnd(FCEU_IQEXT);
-               IRQLatch=(IRQLatch&0xF0)|(V&0x0F);
-                           break;
-  case 0xF001: //X6502_IRQEnd(FCEU_IQEXT);
-               IRQLatch=(IRQLatch&0x0F)|((V&0xF)<<4);
-                           break;
-  case 0xF003: IRQa=((IRQa&0x1)<<1)|(IRQa&0x1);
-                           X6502_IRQEnd(FCEU_IQEXT);
-               break;
-  case 0xF002: IRQa=V&3;
-                           if(IRQa&0x02) IRQCount=IRQLatch;
-                           X6502_IRQEnd(FCEU_IQEXT);
-                           break;
- }
-// if((A&0xF000)==0xF000) FCEU_printf("$%04x:$%02x, %d\n",A,V, scanline);
-}
-
-static void Mapper27_hb(void)
-{
-//   FCEU_printf("%02x-%d,%d,%d\n",scanline,IRQa,IRQCount,IRQLatch);
-        if(IRQa&0x2){
-           if(IRQCount==0xFF){
-             X6502_IRQBegin(FCEU_IQEXT);
-              IRQCount=IRQLatch+1;
-         } else {
-           IRQCount++;
-           }
-        }
-}
-
-void Mapper27_init(void)
-{
-  int i;
-  for (i=0; i<9; i++) {
-    regchr[i]=0;
-  }
-  IRQa=0;
-  IRQCount=IRQLatch=0;
-  SetWriteHandler(0x8000,0xffff,Mapper27_write);
-  GameHBIRQHook=Mapper27_hb;
-}
-
+#include "mapinc.h"
+
+static uint32 regchr[9];
+
+static DECLFW(Mapper27_write)
+{
+ int regnum;
+ A&=0xF00F;
+ if((A>=0xB000) && (A<=0xE003)) {
+    regnum=((((A>>12)+1)&0x03)<<1)|((A&0x02)>>1);
+    if(A&1)
+       regchr[regnum]=(regchr[regnum]&0x00F)|(V<<4);
+    else
+       regchr[regnum]=(regchr[regnum]&0x1F0)|(V&0xF);
+    VROM_BANK1(regnum<<10,regchr[regnum]);
+ }
+ switch(A)
+ {
+  case 0x8000: ROM_BANK8(0x8000|((regchr[8]&2)<<13),V); break;
+  case 0xA000: ROM_BANK8(0xa000,V); break;
+  case 0x9000: switch(V&3){
+                  case 0:setmirror(MI_V);break;
+                  case 1:setmirror(MI_H);break;
+                  case 2:setmirror(MI_0);break;
+                  case 3:setmirror(MI_1);break;
+               }
+  case 0x9002: regchr[8]=V; break;
+  case 0xF000: //X6502_IRQEnd(FCEU_IQEXT);
+               IRQLatch=(IRQLatch&0xF0)|(V&0x0F);
+                           break;
+  case 0xF001: //X6502_IRQEnd(FCEU_IQEXT);
+               IRQLatch=(IRQLatch&0x0F)|((V&0xF)<<4);
+                           break;
+  case 0xF003: IRQa=((IRQa&0x1)<<1)|(IRQa&0x1);
+                           X6502_IRQEnd(FCEU_IQEXT);
+               break;
+  case 0xF002: IRQa=V&3;
+                           if(IRQa&0x02) IRQCount=IRQLatch-1;
+//                           X6502_IRQEnd(FCEU_IQEXT);
+                           break;
+ }
+// if((A&0xF000)==0xF000) FCEU_printf("$%04x:$%02x, %d\n",A,V, scanline);
+}
+
+static void Mapper27_hb(void)
+{
+//   FCEU_printf("%02x-%d,%d,%d\n",scanline,IRQa,IRQCount,IRQLatch);
+        if(IRQa&0x2){
+           if(IRQCount==0xFF){
+             X6502_IRQBegin(FCEU_IQEXT);
+              IRQCount=IRQLatch+1;
+         } else {
+           IRQCount++;
+           }
+        }
+}
+
+void Mapper27_init(void)
+{
+  int i;
+  for (i=0; i<9; i++) {
+    regchr[i]=0;
+  }
+  IRQa=0;
+  IRQCount=IRQLatch=0;
+  SetWriteHandler(0x8000,0xffff,Mapper27_write);
+  GameHBIRQHook=Mapper27_hb;
+}
+