X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=boards%2F164.c;h=26cb8bc7d76b2c886c9dfd5fcd1c5a3fbf4421b3;hb=0d6a66c2a80f50ae51327cd406f9df14d99ad02e;hp=0bb85b3eeab360acb046b47b63c8ed0fdc18be29;hpb=e2d0dd92bfad989cce4270fc0ac5a712476c7c50;p=fceu.git diff --git a/boards/164.c b/boards/164.c index 0bb85b3..26cb8bc 100644 --- a/boards/164.c +++ b/boards/164.c @@ -1,7 +1,7 @@ /* FCE Ultra - NES/Famicom Emulator * * Copyright notice for this file: - * Copyright (C) 2002 Xodnizel + * Copyright (C) 2002 Xodnizel 2006 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 @@ -16,101 +16,496 @@ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * It seems that 162/163/164 mappers are the same mapper with just different + * mapper modes enabled or disabled in software or hardware, need more nanjing + * carts */ #include "mapinc.h" -static uint8 cmd; -static uint8 DRegs[8]; +static uint8 laststrobe, trigger; +static uint8 reg[8]; +static uint8 *WRAM=NULL; +static uint32 WRAMSIZE; + +static void(*WSync)(void); + static SFORMAT StateRegs[]= { - {&cmd, 1, "CMD"}, - {DRegs, 8, "DREG"}, + {&laststrobe, 1, "STB"}, + {&trigger, 1, "TRG"}, + {reg, 8, "REGS"}, {0} }; +/* +const EEPROM_interface eeprom_interface. = +{ + 9, // address bits 9 + 8, // data bits 8 + "*110", // read 1 10 aaaaaaaaa + "*101", // write 1 01 aaaaaaaaa dddddddd +. "*10000xxxxxxx", // lock 1 00 00xxxxxxx + "*10011xxxxxxx", // unlock 1 00 11xxxxxxx + 1, + 5 +}; + +static const EEPROM_interface *intf; + +static int serial_count = 0; +static u8 serial_buffer[SERIAL_BUFFER_LENGTH]; + +static int eeprom_data_bits; +static int eeprom_clock_count; +static int eeprom_read_address; +static u8 *eeprom_data; + +static int latch = 0; +static int locked = 1; +static int sending = 0; +static int reset_line = ASSERT_LINE; +static int clock_line = ASSERT_LINE; +static int reset_delay; + +void EEPROM_Init(u8 *data, u8 bit) +{ + eeprom_data = data; + if(bit == 8) + intf = &eeprom_interface_93C46_8; + else + intf = &eeprom_interface_93C46_16; +} + +u8 *EEPROM_GetData() +{ + return eeprom_data; +} + +static int EEPROM_command_match(const char *buf, const char *cmd, int len) +{ + if ( cmd == 0 ) return 0; + if ( len == 0 ) return 0; + + for (;len>0;) + { + char b = *buf; + char c = *cmd; + + if ((b==0) || (c==0)) + return (b==c); + + switch ( c ) + { + case '0': + case '1': + if (b != c) return 0; + case 'X': + case 'x': + buf++; + len--; + cmd++; + break; + + case '*': + c = cmd[1]; + switch( c ) + { + case '0': + case '1': + if (b == c) { cmd++; } + else { buf++; len--; } + break; + default: return 0; + } + } + } + return (*cmd==0); +} + +static void EEPROM_write(int bit) +{ + if (serial_count >= SERIAL_BUFFER_LENGTH-1) + { + return; + } + + serial_buffer[serial_count++] = (bit ? '1' : '0'); + serial_buffer[serial_count] = 0; + + if ( (serial_count > intf->address_bits) && + EEPROM_command_match((char*)serial_buffer,intf->cmd_read,(int)strlen((char*)serial_buffer)-intf->address_bits) ) + { + int i,address; + + address = 0; + for (i = serial_count-intf->address_bits;i < serial_count;i++) + { + address <<= 1; + if (serial_buffer[i] == '1') address |= 1; + } + if (intf->data_bits == 16) + eeprom_data_bits = (eeprom_data[2*address+0] << 8) + eeprom_data[2*address+1]; + else + eeprom_data_bits = eeprom_data[address]; + eeprom_read_address = address; + eeprom_clock_count = 0; + sending = 1; + serial_count = 0; + } + else if ( (serial_count > intf->address_bits) && + EEPROM_command_match((char*)serial_buffer,intf->cmd_erase,(int)strlen((char*)serial_buffer)-intf->address_bits) ) + { + int i,address; + + address = 0; + for (i = serial_count-intf->address_bits;i < serial_count;i++) + { + address <<= 1; + if (serial_buffer[i] == '1') address |= 1; + } + + if (locked == 0) + { + if (intf->data_bits == 16) + { + eeprom_data[2*address+0] = 0x00; + eeprom_data[2*address+1] = 0x00; + } + else + eeprom_data[address] = 0x00; + } + else + serial_count = 0; + } + else if ( (serial_count > (intf->address_bits + intf->data_bits)) && + EEPROM_command_match((char*)serial_buffer,intf->cmd_write,(int)strlen((char*)serial_buffer)-(intf->address_bits + intf->data_bits)) ) + { + int i,address,data; + + address = 0; + for (i = serial_count-intf->data_bits-intf->address_bits;i < (serial_count-intf->data_bits);i++) + { + address <<= 1; + if (serial_buffer[i] == '1') address |= 1; + } + data = 0; + for (i = serial_count-intf->data_bits;i < serial_count;i++) + { + data <<= 1; + if (serial_buffer[i] == '1') data |= 1; + } + if (locked == 0) + { + if (intf->data_bits == 16) + { + eeprom_data[2*address+0] = data >> 8; + eeprom_data[2*address+1] = data & 0xff; + } + else + eeprom_data[address] = data; + } + else + serial_count = 0; + } + else if ( EEPROM_command_match((char*)serial_buffer,intf->cmd_lock,(int)strlen((char*)serial_buffer)) ) + { + locked = 1; + serial_count = 0; + } + else if ( EEPROM_command_match((char*)serial_buffer,intf->cmd_unlock,(int)strlen((char*)serial_buffer)) ) + { + locked = 0; + serial_count = 0; + } +} + +static void EEPROM_reset() +{ + serial_count = 0; + sending = 0; + reset_delay = intf->reset_delay; +} + +void EEPROM_set_cs_line(int state) +{ + reset_line = state; + + if (reset_line != CLEAR_LINE) + EEPROM_reset(); +} + +void EEPROM_set_clock_line(int state) +{ + if (state == PULSE_LINE || (clock_line == CLEAR_LINE && state != CLEAR_LINE)) + { + if (reset_line == CLEAR_LINE) + { + if (sending) + { + if (eeprom_clock_count == intf->data_bits) + { + if(intf->enable_multi_read) + { + eeprom_read_address = (eeprom_read_address + 1) & ((1 << intf->address_bits) - 1); + if (intf->data_bits == 16) + eeprom_data_bits = (eeprom_data[2*eeprom_read_address+0] << 8) + eeprom_data[2*eeprom_read_address+1]; + else + eeprom_data_bits = eeprom_data[eeprom_read_address]; + eeprom_clock_count = 0; + } + else + { + sending = 0; + } + } + eeprom_data_bits = (eeprom_data_bits << 1) | 1; + eeprom_clock_count++; + } + else + EEPROM_write(latch); + } + } + + clock_line = state; +} + + +void EEPROM_write_bit(int bit) +{ + latch = bit; +} + +int EEPROM_read_bit(void) +{ + int res; + + if (sending) + res = (eeprom_data_bits >> intf->data_bits) & 1; + else + { + if (reset_delay > 0) + { + reset_delay--; + res = 0; + } + else + res = 1; + } + + return res; +} +*/ + static void Sync(void) { - setprg32(0x8000,(DRegs[0]<<4)|(DRegs[1]&0xF)); + setprg8r(0x10,0x6000,0); + setprg32(0x8000,(reg[0]<<4)|(reg[1]&0xF)); setchr8(0); } static void StateRestore(int version) { - Sync(); + WSync(); } -static DECLFW(Write) +static DECLFR(ReadLow) { - switch (A&0x7300) + switch (A&0x7700) { - case 0x5100: DRegs[0]=V; Sync(); break; - case 0x5000: DRegs[1]=V; Sync(); break; + case 0x5100: return reg[2]|reg[0]|reg[1]|reg[3]^0xff; break; + case 0x5500: if(trigger) + return reg[2]|reg[1]; // Lei Dian Huang Bi Ka Qiu Chuan Shuo (NJ046) may broke other games + else + return 0; } + return 4; } -static DECLFW(Write2) +static void M163HB(void) +{ + if(reg[1]&0x80) + { + if(scanline==239) + { + setchr4(0x0000,0); + setchr4(0x1000,0); + } + else if(scanline==127) + { + setchr4(0x0000,1); + setchr4(0x1000,1); + } +/* + if(scanline>=127) // Hu Lu Jin Gang (NJ039) (Ch) [!] don't like it + { + setchr4(0x0000,1); + setchr4(0x1000,1); + } + else + { + setchr4(0x0000,0); + setchr4(0x1000,0); + } +*/ + } +} + +static DECLFW(Write) { switch (A&0x7300) { - case 0x5200: DRegs[0]=V; Sync(); break; - case 0x5000: DRegs[1]=V; Sync(); break; + case 0x5100: reg[0]=V; WSync(); break; + case 0x5000: reg[1]=V; WSync(); break; + case 0x5300: reg[2]=V; break; + case 0x5200: reg[3]=V; WSync(); break; } } -static uint8 WRAM[8192]; -static DECLFR(AWRAM) +static void Power(void) { - return(WRAM[A-0x6000]); + memset(reg,0,8); + reg[1]=0xFF; + SetWriteHandler(0x5000,0x5FFF,Write); + SetReadHandler(0x6000,0xFFFF,CartBR); + SetWriteHandler(0x6000,0x7FFF,CartBW); + WSync(); } -static DECLFW(BWRAM) +static void Close(void) { - WRAM[A-0x6000]=V; + if(WRAM) + FCEU_gfree(WRAM); + WRAM=NULL; } -static void Power(void) +void Mapper164_Init(CartInfo *info) { - memset(DRegs,0,8); - DRegs[1]=0xFF; - cmd=0; - SetReadHandler(0x8000,0xFFFF,CartBR); - SetWriteHandler(0x4020,0xFFFF,Write); - SetReadHandler(0x6000,0x7FFF,AWRAM); - SetWriteHandler(0x6000,0x7FFF,BWRAM); - Sync(); + info->Power=Power; + info->Close=Close; + WSync = Sync; + + WRAMSIZE = 8192; + WRAM=(uint8*)FCEU_gmalloc(WRAMSIZE); + SetupCartPRGMapping(0x10,WRAM,WRAMSIZE,1); + AddExState(WRAM, WRAMSIZE, 0, "WRAM"); + + if(info->battery) + { + info->SaveGame[0]=WRAM; + info->SaveGameLen[0]=WRAMSIZE; + } + + GameStateRestore=StateRestore; + AddExState(&StateRegs, ~0, 0, 0); } -static void M163HB(void) +static DECLFW(Write2) { - if(scanline==127&&DRegs[1]&0x80) - setchr4(0x0000,1); + if(A==0x5101) + { + if(laststrobe&&!V) + { + trigger^=1; + } + laststrobe=V; + }else if(A==0x5100&&V==6) //damn thoose protected games + setprg32(0x8000,3); + else + switch (A&0x7300) + { + case 0x5200: reg[0]=V; WSync(); break; + case 0x5000: reg[1]=V; WSync(); if(!(reg[1]&0x80)&&(scanline<128)) setchr8(0); /* setchr8(0); */ break; + case 0x5300: reg[2]=V; break; + case 0x5100: reg[3]=V; WSync(); break; + } } - static void Power2(void) { - memset(DRegs,0,8); - DRegs[1]=0xFF; - cmd=0; - SetReadHandler(0x8000,0xFFFF,CartBR); - SetWriteHandler(0x4020,0xFFFF,Write2); - SetReadHandler(0x6000,0x7FFF,AWRAM); - SetWriteHandler(0x6000,0x7FFF,BWRAM); - Sync(); + memset(reg,0,8); + laststrobe=1; + SetReadHandler(0x5000,0x5FFF,ReadLow); + SetWriteHandler(0x5000,0x5FFF,Write2); + SetReadHandler(0x6000,0xFFFF,CartBR); + SetWriteHandler(0x6000,0x7FFF,CartBW); + WSync(); } -void Mapper164_Init(CartInfo *info) +void Mapper163_Init(CartInfo *info) { - info->Power=Power; + info->Power=Power2; + info->Close=Close; + WSync = Sync; + GameHBIRQHook=M163HB; + + WRAMSIZE = 8192; + WRAM=(uint8*)FCEU_gmalloc(WRAMSIZE); + SetupCartPRGMapping(0x10,WRAM,WRAMSIZE,1); + AddExState(WRAM, WRAMSIZE, 0, "WRAM"); + + if(info->battery) + { + info->SaveGame[0]=WRAM; + info->SaveGameLen[0]=WRAMSIZE; + } GameStateRestore=StateRestore; AddExState(&StateRegs, ~0, 0, 0); } -void Mapper163_Init(CartInfo *info) +static void Sync3(void) { - info->Power=Power2; - GameHBIRQHook=M163HB; + setchr8(0); + setprg8r(0x10,0x6000,0); + switch(reg[3]&7){ + case 0: + case 2: setprg32(0x8000,(reg[0]&0xc)|(reg[1]&2)|((reg[2]&0xf)<<4)); break; + case 1: + case 3: setprg32(0x8000,(reg[0]&0xc)|(reg[2]&0xf)<<4); break; + case 4: + case 6: setprg32(0x8000,(reg[0]&0xe)|((reg[1]>>1)&1)|((reg[2]&0xf)<<4)); break; + case 5: + case 7: setprg32(0x8000,(reg[0]&0xf)|((reg[2]&0xf)<<4)); break; + } +} + +static DECLFW(Write3) +{ +// FCEU_printf("bs %04x %02x\n",A,V); + reg[(A>>8)&3]=V; + WSync(); +} + +static void Power3(void) +{ + reg[0]=3; + reg[1]=0; + reg[2]=0; + reg[3]=7; + SetWriteHandler(0x5000,0x5FFF,Write3); + SetReadHandler(0x6000,0xFFFF,CartBR); + SetWriteHandler(0x6000,0x7FFF,CartBW); + WSync(); +} + +void UNLFS304_Init(CartInfo *info) +{ + info->Power=Power3; + info->Close=Close; + WSync = Sync3; + + WRAMSIZE = 8192; + WRAM=(uint8*)FCEU_gmalloc(WRAMSIZE); + SetupCartPRGMapping(0x10,WRAM,WRAMSIZE,1); + AddExState(WRAM, WRAMSIZE, 0, "WRAM"); + + if(info->battery) + { + info->SaveGame[0]=WRAM; + info->SaveGameLen[0]=WRAMSIZE; + } + GameStateRestore=StateRestore; AddExState(&StateRegs, ~0, 0, 0); }