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