-/* FCE Ultra - NES/Famicom Emulator\r
+/* FCE Ultra - NES/Famicom Emulator\r
*\r
* Copyright notice for this file:\r
* Copyright (C) 2006 CaH4e3\r
*\r
* You should have received a copy of the GNU General Public License\r
* along with this program; if not, write to the Free Software\r
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\r
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r
*/\r
\r
#include "mapinc.h"\r
#include "mmc3.h"\r
-#include "../ines.h"\r
\r
-static bool is_BMCFK23CA;\r
static uint8 unromchr;\r
-static uint32 dipswitch;\r
+static uint32 dipswitch = 0;\r
static uint8 *CHRRAM=NULL;\r
static uint32 CHRRAMSize;\r
\r
}\r
}\r
\r
-//some games are wired differently, and this will need to be changed.\r
-//all the WXN games require prg_bonus = 1, and cah4e3's multicarts require prg_bonus = 0\r
-//we'll populate this from a game database\r
-static int prg_bonus;\r
-static int prg_mask;\r
-\r
-//prg_bonus = 0\r
-//4-in-1 (FK23C8021)[p1][!].nes\r
-//4-in-1 (FK23C8033)[p1][!].nes\r
-//4-in-1 (FK23C8043)[p1][!].nes\r
-//4-in-1 (FK23Cxxxx, S-0210A PCB)[p1][!].nes\r
-\r
-//prg_bonus = 1\r
-//[m176]大富翁2-上海大亨.wxn.nes\r
-//[m176]宠物翡翠.fix.nes\r
-//[m176]格兰帝亚.wxn.nes\r
-//[m176]梦幻之星.wxn.nes\r
-//[m176]水浒神兽.fix.nes\r
-//[m176]西楚霸王.fix.nes\r
-//[m176]超级大富翁.wxn.nes\r
-//[m176]雄霸天下.wxn.nes\r
-\r
-//works as-is under virtuanes m176\r
-//[m176]三侠五义.wxn.nes\r
-//[m176]口袋金.fix.nes\r
-//[m176]爆笑三国.fix.nes\r
-\r
-//needs other tweaks\r
-//[m176]三国忠烈传.wxn.nes\r
-//[m176]破釜沉舟.fix.nes\r
-\r
-//PRG wrapper\r
static void BMCFK23CPW(uint32 A, uint8 V)\r
{\r
uint32 bank = (EXPREGS[1] & 0x1F);\r
uint32 hiblock = ((EXPREGS[0] & 8) << 4)|((EXPREGS[0] & 0x80) << 1)|(UNIFchrrama?((EXPREGS[2] & 0x40)<<3):0);\r
uint32 block = (EXPREGS[1] & 0x60) | hiblock;\r
uint32 extra = (EXPREGS[3] & 2);\r
-\r
- if((EXPREGS[0]&7)==4)\r
- setprg32(0x8000,EXPREGS[1]>>1);\r
- else if ((EXPREGS[0]&7)==3)\r
+ switch(EXPREGS[0]&7)\r
{\r
- setprg16(0x8000,EXPREGS[1]);\r
- setprg16(0xC000,EXPREGS[1]);\r
- } \r
- else\r
- { \r
- if(EXPREGS[0]&3)\r
- {\r
- uint32 blocksize = (6)-(EXPREGS[0]&3);\r
- uint32 mask = (1<<blocksize)-1;\r
- V &= mask;\r
- //V &= 63; //? is this a good idea?\r
- V |= (EXPREGS[1]<<1);\r
- setprg8(A,V);\r
- }\r
- else\r
- setprg8(A,V & prg_mask);\r
-\r
- if(EXPREGS[3]&2)\r
- {\r
- setprg8(0xC000,EXPREGS[4]);\r
- setprg8(0xE000,EXPREGS[5]);\r
- }\r
+ case 0: setprg8(A, (block << 1) | (V & 0x3F));\r
+ if(extra)\r
+ {\r
+ setprg8(0xC000,EXPREGS[4]);\r
+ setprg8(0xE000,EXPREGS[5]);\r
+ }\r
+ break;\r
+ case 1: setprg8(A, ((hiblock | (EXPREGS[1] & 0x70)) << 1) | (V & 0x1F));\r
+ if(extra)\r
+ {\r
+ setprg8(0xC000,EXPREGS[4]);\r
+ setprg8(0xE000,EXPREGS[5]);\r
+ }\r
+ break;\r
+ case 2: setprg8(A, ((hiblock | (EXPREGS[1] & 0x78)) << 1) | (V & 0x0F));\r
+ if(extra)\r
+ {\r
+ setprg8(0xC000,EXPREGS[4]);\r
+ setprg8(0xE000,EXPREGS[5]);\r
+ }\r
+ break;\r
+ case 3: setprg16(0x8000,(bank | block));\r
+ setprg16(0xC000,(bank | block));\r
+ break;\r
+ case 4: setprg32(0x8000,(bank | block) >> 1);\r
+ break;\r
}\r
- setprg8r(0x10,0x6000,A001B&3);\r
+ setprg8r(0x10,0x6000,A001B&3);\r
}\r
\r
-//PRG handler ($8000-$FFFF)\r
static DECLFW(BMCFK23CHiWrite)\r
{\r
- if(EXPREGS[0]&0x40)\r
- {\r
- if(EXPREGS[0]&0x30)\r
- unromchr=0;\r
- else\r
- {\r
- unromchr=V&3;\r
- FixMMC3CHR(MMC3_cmd);\r
- }\r
- }\r
- else\r
- {\r
- if((A==0x8001)&&(EXPREGS[3]&2&&MMC3_cmd&8))\r
- {\r
- EXPREGS[4|(MMC3_cmd&3)]=V;\r
- FixMMC3PRG(MMC3_cmd);\r
- FixMMC3CHR(MMC3_cmd);\r
- }\r
+ if(EXPREGS[0]&0x40)\r
+ {\r
+ if(EXPREGS[0]&0x30)\r
+ unromchr=0;\r
+ else\r
+ {\r
+ unromchr=V&3;\r
+ FixMMC3CHR(MMC3_cmd);\r
+ }\r
+ }\r
+ else\r
+ {\r
+ if((A==0x8001)&&(EXPREGS[3]&2)&&(MMC3_cmd&8))\r
+ {\r
+ EXPREGS[4|(MMC3_cmd&3)]=V;\r
+ FixMMC3PRG(MMC3_cmd);\r
+ FixMMC3CHR(MMC3_cmd);\r
+ }\r
else\r
if(A<0xC000) {\r
if(UNIFchrrama) { // hacky... strange behaviour, must be bit scramble due to pcb layot restrictions\r
}\r
}\r
\r
-//EXP handler ($5000-$5FFF)\r
static DECLFW(BMCFK23CWrite)\r
{\r
- if(A&(1<<(dipswitch+4)))\r
+ //FCEU_printf("lo %04x:%02x\n",A,V);\r
+ if(dipswitch) // íóëåâîé äèï áåðåò ëþáûå çàïèñè ïî äåôîëòó, äàëüøå èäåò âûáîð\r
+ {\r
+ if(A&(1<<(dipswitch+3))) {\r
+ EXPREGS[A&3]=V;\r
+// FCEU_printf(" reg %d set!\n",A&3);\r
+ FixMMC3PRG(MMC3_cmd);\r
+ FixMMC3CHR(MMC3_cmd);\r
+ }\r
+ }\r
+ else\r
{\r
- //printf("+ ");\r
EXPREGS[A&3]=V;\r
-\r
- bool remap = false;\r
-\r
- //sometimes writing to reg0 causes remappings to occur. we think the 2 signifies this. \r
- //if not, 0x24 is a value that is known to work\r
- //however, the low 4 bits are known to control the mapping mode, so 0x20 is more likely to be the immediate remap flag\r
- remap |= ((EXPREGS[0]&0xF0)==0x20); \r
-\r
- //this is an actual mapping reg. i think reg0 controls what happens when reg1 is written. anyway, we have to immediately remap these\r
- remap |= (A&3)==1; \r
- //this too.\r
- remap |= (A&3)==2; \r
-\r
- if(remap)\r
- {\r
- FixMMC3PRG(MMC3_cmd);\r
- FixMMC3CHR(MMC3_cmd);\r
- }\r
+// FCEU_printf(" reg %d set!\n",A&3);\r
+ FixMMC3PRG(MMC3_cmd);\r
+ FixMMC3CHR(MMC3_cmd);\r
}\r
-\r
- if(is_BMCFK23CA)\r
- {\r
- if(EXPREGS[3]&2)\r
- EXPREGS[0] &= ~7; // hacky hacky! if someone wants extra banking, then for sure doesn't want mode 4 for it! (allow to run A version boards on normal mapper)\r
- }\r
-\r
- //printf("%04X = $%02X\n",A,V);\r
- //printf("%02X %02X %02X %02X\n",EXPREGS[0],EXPREGS[1],EXPREGS[2],EXPREGS[3]);\r
+ if(EXPREGS[3]&2)\r
+ EXPREGS[0] &= ~7; // hacky hacky! if someone wants extra banking, then for sure doesn't want mode 4 for it! (allow to run A version boards on normal mapper)\r
}\r
\r
static void BMCFK23CReset(void)\r
{\r
- //NOT NECESSARY ANYMORE\r
- //this little hack makes sure that we try all the dip switch settings eventually, if we reset enough\r
- // dipswitch++;\r
- // dipswitch&=7;\r
- //printf("BMCFK23C dipswitch set to %d\n",dipswitch);\r
-\r
+ if(dipswitch<=8)\r
+ dipswitch++;\r
+ else\r
+ dipswitch=0;\r
EXPREGS[0]=EXPREGS[1]=EXPREGS[2]=EXPREGS[3]=0;\r
EXPREGS[4]=EXPREGS[5]=EXPREGS[6]=EXPREGS[7]=0xFF;\r
MMC3RegReset();\r
\r
static void BMCFK23CPower(void)\r
{\r
- dipswitch = 0;\r
GenMMC3Power();\r
- EXPREGS[0]=EXPREGS[1]=EXPREGS[2]=EXPREGS[3]=0;\r
+ EXPREGS[0]=4;\r
+ EXPREGS[1]=0xFF;\r
+ EXPREGS[2]=EXPREGS[3]=0;\r
+ dipswitch = 0;\r
EXPREGS[4]=EXPREGS[5]=EXPREGS[6]=EXPREGS[7]=0xFF;\r
- GenMMC3Power();\r
SetWriteHandler(0x5000,0x5fff,BMCFK23CWrite);\r
SetWriteHandler(0x8000,0xFFFF,BMCFK23CHiWrite);\r
FixMMC3PRG(MMC3_cmd);\r
\r
void BMCFK23C_Init(CartInfo *info)\r
{\r
- is_BMCFK23CA = false;\r
-\r
- GenMMC3_Init(info, 512, 256, 8, 0);\r
+ GenMMC3_Init(info, 512, 256, 128, 0);\r
cwrap=BMCFK23CCW;\r
pwrap=BMCFK23CPW;\r
info->Power=BMCFK23CPower;\r
info->Reset=BMCFK23CReset;\r
AddExState(EXPREGS, 8, 0, "EXPR");\r
- AddExState(&unromchr, 1, 0, "UNCHR");\r
- AddExState(&dipswitch, 1, 0, "DIPSW");\r
-\r
- prg_bonus = 1;\r
- if(MasterRomInfoParams.find("bonus") != MasterRomInfoParams.end())\r
- prg_bonus = atoi(MasterRomInfoParams["bonus"].c_str());\r
-\r
- prg_mask = 0x7F>>(prg_bonus);\r
+ AddExState(&unromchr, 1, 0, "UCHR");\r
+ AddExState(&dipswitch, 1, 0, "DPSW");\r
}\r
\r
void BMCFK23CA_Init(CartInfo *info)\r
{\r
- is_BMCFK23CA = true;\r
-\r
- GenMMC3_Init(info, 512, 256, 8, 0);\r
+ GenMMC3_Init(info, 512, 256, 128, 0);\r
cwrap=BMCFK23CCW;\r
pwrap=BMCFK23CPW;\r
info->Power=BMCFK23CAPower;\r
info->Reset=BMCFK23CReset;\r
info->Close=BMCFK23CAClose;\r
-\r
- CHRRAMSize=8192;\r
+ \r
+ CHRRAMSize=8192;\r
CHRRAM=(uint8*)FCEU_gmalloc(CHRRAMSize);\r
SetupCartCHRMapping(0x10, CHRRAM, CHRRAMSize, 1);\r
AddExState(CHRRAM, CHRRAMSize, 0, "CRAM");\r
\r
AddExState(EXPREGS, 8, 0, "EXPR");\r
- AddExState(&unromchr, 1, 0, "UNCHR");\r
- AddExState(&dipswitch, 1, 0, "DIPSW");\r
-\r
- prg_bonus = 1;\r
- if(MasterRomInfoParams.find("bonus") != MasterRomInfoParams.end())\r
- prg_bonus = atoi(MasterRomInfoParams["bonus"].c_str());\r
- prg_mask = 0x7F>>(prg_bonus);\r
+ AddExState(&unromchr, 1, 0, "UCHR");\r
+ AddExState(&dipswitch, 1, 0, "DPSW");\r
}\r
notaz.gp2x.de / fceu.git / blobdiff