From 3bab1287704b25e532939ff73e4d349fbed5c3e2 Mon Sep 17 00:00:00 2001 From: CaH4e3 Date: Sun, 21 Oct 2012 12:48:09 +0000 Subject: [PATCH] mapper 121 update --- src/boards/121.cpp | 126 ++++++++++++++++++++++++++++++++------------- 1 file changed, 89 insertions(+), 37 deletions(-) diff --git a/src/boards/121.cpp b/src/boards/121.cpp index 63784f94..8c02ae94 100644 --- a/src/boards/121.cpp +++ b/src/boards/121.cpp @@ -16,68 +16,118 @@ * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * * Panda prince pirate. - * MK4, MK6, A9711 board, MAPPER 187 the same! - * UNL6035052_Init seems to be the same too, but with prot array in reverse + * MK4, MK6, A9711/A9713 board + * 6035052 seems to be the same too, but with prot array in reverse + * A9746 seems to be the same too, check + * 187 seems to be the same too, check (A98402 board) + * */ #include "mapinc.h" #include "mmc3.h" -static uint8 readbyte = 0; +static void Sync() +{ + switch(EXPREGS[5]&0x3F) + { + case 0x20: EXPREGS[7] = 1; EXPREGS[0]=EXPREGS[6]; break; + case 0x29: EXPREGS[7] = 1; EXPREGS[0]=EXPREGS[6]; break; + case 0x26: EXPREGS[7] = 0; EXPREGS[0]=EXPREGS[6]; break; + case 0x2B: EXPREGS[7] = 1; EXPREGS[0]=EXPREGS[6]; break; + case 0x2C: EXPREGS[7] = 1; if(EXPREGS[6]) EXPREGS[0]=EXPREGS[6]; break; + case 0x3C: + case 0x3F: EXPREGS[7] = 1; EXPREGS[0]=EXPREGS[6]; break; + case 0x28: EXPREGS[7] = 0; EXPREGS[1]=EXPREGS[6]; break; + case 0x2A: EXPREGS[7] = 0; EXPREGS[2]=EXPREGS[6]; break; + case 0x2F: break; + default: EXPREGS[5] = 0; break; + } +} + +static void M121CW(uint32 A, uint8 V) +{ + if(PRGsize[0] == CHRsize[0]) // A9713 multigame extension hack! + { + setchr1(A,V|((EXPREGS[3]&0x80)<<1)); + } + else + { + if((A&0x1000)==((MMC3_cmd&0x80)<<5)) + setchr1(A,V|0x100); + else + setchr1(A,V); + } +} + +static void M121PW(uint32 A, uint8 V) +{ + if(EXPREGS[5]&0x3F) + { +// FCEU_printf("prot banks: %02x %02x %02x %02x\n",V,EXPREGS[2],EXPREGS[1],EXPREGS[0]); + setprg8(A,(V&0x1F)|((EXPREGS[3]&0x80)>>2)); + setprg8(0xE000,(EXPREGS[0])|((EXPREGS[3]&0x80)>>2)); + setprg8(0xC000,(EXPREGS[1])|((EXPREGS[3]&0x80)>>2)); + setprg8(0xA000,(EXPREGS[2])|((EXPREGS[3]&0x80)>>2)); + } + else + { +// FCEU_printf("gen banks: %04x %02x\n",A,V); + setprg8(A,(V&0x1F)|((EXPREGS[3]&0x80)>>2)); + } +} static DECLFW(M121Write) { // FCEU_printf("write: %04x:%04x\n",A&0xE003,V); - if((A&0xF003)==0x8003) + switch(A&0xE003) { -// FCEU_printf(" prot write"); -// FCEU_printf("write: %04x:%04x\n",A,V); - if (V==0xAB) setprg8(0xE000,7); - else if(V==0x26) setprg8(0xE000,8); -// else if(V==0x26) setprg8(0xE000,1); // MK3 -// else if(V==0x26) setprg8(0xE000,0x15); // sonic 3D blast, 8003 - command (0x26), 8001 - data 0x2A (<<1 = 0x15) - else if(V==0xFF) setprg8(0xE000,9); - else if(V==0x28) setprg8(0xC000,0xC); - else if(V==0xEC) setprg8(0xE000,0xD); -// else if(V==0xEC) setprg8(0xE000,0xC);//MK3 - else if(V==0xEF) setprg8(0xE000,0xD); // damn mess, need real hardware to figure out bankswitching - else if(V==0x2A) setprg8(0xA000,0x0E); -// else if(V==0x2A) setprg8(0xE000,0x0C); // MK3 - else if(V==0x20) setprg8(0xE000,0x13); - else if(V==0x29) setprg8(0xE000,0x1B); - else - { -// FCEU_printf(" unknown"); - FixMMC3PRG(MMC3_cmd); - MMC3_CMDWrite(A,V); - } -// FCEU_printf("\n"); - } - else - { -// FixMMC3PRG(MMC3_cmd); - MMC3_CMDWrite(A,V); + case 0x8000: //EXPREGS[5] = 0; +// FCEU_printf("gen: %02x\n",V); + MMC3_CMDWrite(A,V); + FixMMC3PRG(MMC3_cmd); + break; + case 0x8001: EXPREGS[6] = ((V&1)<<5)|((V&2)<<3)|((V&4)<<1)|((V&8)>>1)|((V&0x10)>>3)|((V&0x20)>>5); +// FCEU_printf("bank: %02x (%02x)\n",V,EXPREGS[6]); + if(!EXPREGS[7]) Sync(); + MMC3_CMDWrite(A,V); + FixMMC3PRG(MMC3_cmd); + break; + case 0x8003: EXPREGS[5] = V; +// EXPREGS[7] = 0; +// FCEU_printf("prot: %02x\n",EXPREGS[5]); + Sync(); + MMC3_CMDWrite(0x8000,V); + FixMMC3PRG(MMC3_cmd); + break; } } static uint8 prot_array[16] = { 0x83, 0x83, 0x42, 0x00 }; static DECLFW(M121LoWrite) { - EXPREGS[0] = prot_array[V&3]; // 0x100 bit in address seems to be switch arrays 0, 2, 2, 3 (Contra Fighter) + EXPREGS[4] = prot_array[V&3]; // 0x100 bit in address seems to be switch arrays 0, 2, 2, 3 (Contra Fighter) + if((A & 0x5180) == 0x5180) // A9713 multigame extension + { + EXPREGS[3] = V; + FixMMC3PRG(MMC3_cmd); + FixMMC3CHR(MMC3_cmd); + } // FCEU_printf("write: %04x:%04x\n",A,V); } static DECLFR(M121Read) -{ -// FCEU_printf("read: %04x\n",A); - return EXPREGS[0]; +{ +// FCEU_printf("read: %04x->\n",A,EXPREGS[0]); + return EXPREGS[4]; } static void M121Power(void) { + EXPREGS[3] = 0x80; + EXPREGS[5] = 0; GenMMC3Power(); -// Write_IRQFM(0x4017,0x40); SetReadHandler(0x5000,0x5FFF,M121Read); SetWriteHandler(0x5000,0x5FFF,M121LoWrite); SetWriteHandler(0x8000,0x9FFF,M121Write); @@ -86,6 +136,8 @@ static void M121Power(void) void Mapper121_Init(CartInfo *info) { GenMMC3_Init(info, 128, 256, 8, 0); + pwrap=M121PW; + cwrap=M121CW; info->Power=M121Power; - AddExState(EXPREGS, 2, 0, "EXPR"); + AddExState(EXPREGS, 8, 0, "EXPR"); }