static void mcu_init( running_machine *machine ) { dmmy_8f_ret = 0xFFFF; pending_command = 0; mcu_data = 0; memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x20008a, 0x20008b, 0, 0, twrldc94_mcu_w); memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x20008a, 0x20008b, 0, 0, twrldc94_mcu_r); memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x20008e, 0x20008f, 0, 0, twrldc94_prot_reg_w); memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x20008e, 0x20008f, 0, 0, twrldc94_prot_reg_r); }
ROM_END static DRIVER_INIT( jchan ) { DRIVER_INIT_CALL( decrypt_toybox_rom ); // install these here, putting them in the memory map causes issues memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x403ffe, 0x403fff, 0, 0, main2sub_cmd_w ); memory_install_write16_handler(cputag_get_address_space(machine, "sub", ADDRESS_SPACE_PROGRAM), 0x400000, 0x400001, 0, 0, sub2main_cmd_w ); memset(jchan_mcu_com, 0, 4 * sizeof( UINT16 ) ); }
static DRIVER_INIT( ssf2ghw ) { memory_install_write16_handler(0, ADDRESS_SPACE_PROGRAM, 0xA130F0, 0xA130FF, 0, 0, MWA16_NOP); // custom banking is disabled (!) memory_install_read16_handler(0, ADDRESS_SPACE_PROGRAM, 0x400000, 0x5fffff, 0, 0, MRA16_BANK5); memory_install_write16_handler(0, ADDRESS_SPACE_PROGRAM, 0x400000, 0x5fffff, 0, 0, MWA16_ROM); memory_set_bankptr( 5, memory_region( REGION_CPU1 )+0x400000 ); memory_install_read16_handler(0, ADDRESS_SPACE_PROGRAM, 0x770070, 0x770075, 0, 0, ssf2ghw_dsw_r ); driver_init_megadrij(machine); }
static WRITE8_DEVICE_HANDLER( upscope_cia_0_porta_w ) { /* switch banks as appropriate */ memory_set_bank(device->machine, 1, data & 1); /* swap the write handlers between ROM and bank 1 based on the bit */ if ((data & 1) == 0) /* overlay disabled, map RAM on 0x000000 */ memory_install_write16_handler(cputag_get_address_space(device->machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x000000, 0x07ffff, 0, 0, (write16_space_func)SMH_BANK(1)); else /* overlay enabled, map Amiga system ROM on 0x000000 */ memory_install_write16_handler(cputag_get_address_space(device->machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x000000, 0x07ffff, 0, 0, (write16_space_func)SMH_UNMAP); }
static void mquake_cia_0_porta_w(UINT8 data) { /* switch banks as appropriate */ memory_set_bank(1, data & 1); /* swap the write handlers between ROM and bank 1 based on the bit */ if ((data & 1) == 0) /* overlay disabled, map RAM on 0x000000 */ memory_install_write16_handler(0, ADDRESS_SPACE_PROGRAM, 0x000000, 0x07ffff, 0, 0, MWA16_BANK1); else /* overlay enabled, map Amiga system ROM on 0x000000 */ memory_install_write16_handler(0, ADDRESS_SPACE_PROGRAM, 0x000000, 0x07ffff, 0, 0, MWA16_ROM); }
static void amiga_cia_0_portA_w( UINT8 data ) { /* switch banks as appropriate */ memory_set_bank(1, data & 1); /* swap the write handlers between ROM and bank 1 based on the bit */ if ((data & 1) == 0) /* overlay disabled, map RAM on 0x000000 */ memory_install_write16_handler(0, ADDRESS_SPACE_PROGRAM, 0x000000, amiga_chip_ram_size - 1, 0, 0, MWA16_BANK1); else /* overlay enabled, map Amiga system ROM on 0x000000 */ memory_install_write16_handler(0, ADDRESS_SPACE_PROGRAM, 0x000000, 0x07ffff, 0, 0, MWA16_ROM); set_led_status( 0, ( data & 2 ) ? 0 : 1 ); /* bit 2 = Power Led on Amiga */ }
ROM_END /************************************* * * Game-specific driver inits * *************************************/ #define ENERGY_CONSOLE_MODE 0 static DRIVER_INIT( aladmdb ) { /* * Game does a check @ 1afc00 with work RAM fff57c that makes it play like the original console version (i.e. 8 energy hits instead of 2) */ #if ENERGY_CONSOLE_MODE UINT16 *rom = (UINT16 *)machine->region("maincpu")->base(); rom[0x1afc08/2] = 0x6600; #endif // 220000 = writes to mcu? 330000 = reads? memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x220000, 0x220001, 0, 0, aladmdb_w); memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x330000, 0x330001, 0, 0, aladmdb_r); megadrive_6buttons_pad = 0; DRIVER_INIT_CALL(megadrij); }
static DRIVER_INIT( vgoalsoc ) { gametype = 3; mcu_init( machine ); memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x200090, 0x200091, 0, 0, vbl_toggle_w); // vblank toggle memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x200090, 0x200091, 0, 0, vbl_toggle_r); }
ROM_END /************************************* * * Driver initialization * *************************************/ static DRIVER_INIT( roadriot ) { static const UINT16 default_eeprom[] = { 0x0001,0x01B7,0x01AF,0x01E4,0x0100,0x0130,0x0300,0x01CC, 0x0700,0x01FE,0x0500,0x0102,0x0200,0x0108,0x011B,0x01C8, 0x0100,0x0107,0x0120,0x0100,0x0125,0x0500,0x0177,0x0162, 0x013A,0x010A,0x01B7,0x01AF,0x01E4,0x0100,0x0130,0x0300, 0x01CC,0x0700,0x01FE,0x0500,0x0102,0x0200,0x0108,0x011B, 0x01C8,0x0100,0x0107,0x0120,0x0100,0x0125,0x0500,0x0177, 0x0162,0x013A,0x010A,0xE700,0x0164,0x0106,0x0100,0x0104, 0x01B0,0x0146,0x012E,0x1A00,0x01C8,0x01D0,0x0118,0x0D00, 0x0118,0x0100,0x01C8,0x01D0,0x0000 }; atarigen_eeprom_default = default_eeprom; atarijsa_init(1, 3, 2, 0x0040); atarijsa3_init_adpcm(REGION_SOUND1); atarig42_playfield_base = 0x400; atarig42_motion_object_base = 0x200; atarig42_motion_object_mask = 0x1ff; sloop_base = memory_install_read16_handler(0, ADDRESS_SPACE_PROGRAM, 0x000000, 0x07ffff, 0, 0, roadriot_sloop_data_r); sloop_base = memory_install_write16_handler(0, ADDRESS_SPACE_PROGRAM, 0x000000, 0x07ffff, 0, 0, roadriot_sloop_data_w); asic65_config(ASIC65_STANDARD); /* Road Riot color MUX CRA10=!MGEP*!AN.VID7*AN.0 -- if (mopri < pfpri) && (!alpha) +!AN.VID7*AN.0*MO.0 or if (mopix == 0) && (!alpha) CRA9=MGEP*!AN.VID7*AN.0*!MO.0 -- if (mopri >= pfpri) && (mopix != 0) && (!alpha) +!AN.VID7*AN.0*PF.VID9 or if (pfpix & 0x200) && (!alpha) CRA8=MGEP*!AN.VID7*AN.0*!MO.0*MVID8 -- if (mopri >= pfpri) && (mopix != 0) && (mopix & 0x100) && (!alpha) +!MGEP*!AN.VID7*AN.0*PF.VID8 or if (mopri < pfpri) && (pfpix & 0x100) && (!alpha) +!AN.VID7*AN.0*MO.0*PF.VID8 or if (pfpix & 0x100) && (!alpha) CRMUXB=!AN.VID7*AN.0 -- if (!alpha) CRMUXA=!MGEP -- if (mopri < pfpri) +MO.0 or (mopix == 0) +AN.VID7 or (alpha) +!AN.0 */ }
static DRIVER_INIT( ssf2ghw ) { memory_install_write16_handler(machine, 0, ADDRESS_SPACE_PROGRAM, 0xA130F0, 0xA130FF, 0, 0, SMH_NOP); // custom banking is disabled (!) memory_install_readwrite16_handler(machine, 0, ADDRESS_SPACE_PROGRAM, 0x400000, 0x5fffff, 0, 0, SMH_BANK5, SMH_UNMAP); memory_set_bankptr( 5, memory_region( REGION_CPU1 )+0x400000 ); memory_install_read16_handler(machine, 0, ADDRESS_SPACE_PROGRAM, 0x770070, 0x770075, 0, 0, ssf2ghw_dsw_r ); DRIVER_INIT_CALL(megadrij); }
static DRIVER_INIT( guardian ) { static const UINT16 default_eeprom[] = { 0x0001,0x01FD,0x01FF,0x01EF,0x0100,0x01CD,0x0300,0x0104, 0x0700,0x0117,0x0F00,0x0133,0x1F00,0x0133,0x2400,0x0120, 0x0600,0x0104,0x0300,0x010C,0x01A0,0x0100,0x0152,0x0179, 0x012D,0x01BD,0x01FD,0x01FF,0x01EF,0x0100,0x01CD,0x0300, 0x0104,0x0700,0x0117,0x0F00,0x0133,0x1F00,0x0133,0x2400, 0x0120,0x0600,0x0104,0x0300,0x010C,0x01A0,0x0100,0x0152, 0x0179,0x012D,0x01BD,0x8C00,0x0118,0x01AB,0x015A,0x0100, 0x01D0,0x010B,0x01B8,0x01C7,0x01E2,0x0134,0x0100,0x010A, 0x01BE,0x016D,0x0142,0x0100,0x0120,0x0109,0x0110,0x0141, 0x0109,0x0100,0x0108,0x0134,0x0105,0x0148,0x1400,0x0000 }; atarigen_eeprom_default = default_eeprom; atarijsa_init(1, 3, 2, 0x0040); atarijsa3_init_adpcm(REGION_SOUND1); atarig42_playfield_base = 0x000; atarig42_motion_object_base = 0x400; atarig42_motion_object_mask = 0x3ff; /* it looks like they jsr to $80000 as some kind of protection */ /* put an RTS there so we don't die */ *(UINT16 *)&memory_region(REGION_CPU1)[0x80000] = 0x4E75; sloop_base = memory_install_read16_handler(0, ADDRESS_SPACE_PROGRAM, 0x000000, 0x07ffff, 0, 0, guardians_sloop_data_r); sloop_base = memory_install_write16_handler(0, ADDRESS_SPACE_PROGRAM, 0x000000, 0x07ffff, 0, 0, guardians_sloop_data_w); asic65_config(ASIC65_GUARDIANS); /* Guardians color MUX CRA10=MGEP*!AN.VID7*AN.0*!MO.0 -- if (mopri >= pfpri) && (!alpha) && (mopix != 0) CRA9=MGEP*!AN.VID7*AN.0*!MO.0*MVID9 -- if (mopri >= pfpri) && (!alpha) && (mopix != 0) && (mopix & 0x200) +!MGEP*!AN.VID7*AN.0*PF.VID9 or if (mopri < pfpri) && (!alpha) && (pfpix & 0x200) +!AN.VID7*AN.0*MO.0*PF.VID9 or if (mopix == 0) && (!alpha) && (pfpix & 0x200) CRA8=MGEP*!AN.VID7*AN.0*!MO.0*MVID8 -- if (mopri >= pfpri) && (!alpha) && (mopix != 0) && (mopix & 0x100) +!MGEP*!AN.VID7*AN.0*PF.VID8 or if (mopri < pfpri) && (!alpha) && (pfpix & 0x100) +!AN.VID7*AN.0*MO.0*PF.VID8 or if (mopix == 0) && (!alpha) && (pfpix & 0x100) CRMUXB=!AN.VID7*AN.0 -- if (!alpha) CRMUXA=!MGEP -- if (mopri < pfpri) +MO.0 or (mopix == 0) +AN.VID7 or (alpha) +!AN.0 */ }
void namcoc7x_on_driver_init(void) { UINT8 *pROM = (UINT8 *)memory_region(REGION_USER4); int cpunum; // clear the first page of the data ROM // (prevents external init routines from getting called - they assume a // RAM layout for a different BIOS and crash ours) memset(pROM, 0xff, 0x100); // install speedup cheat for (cpunum = 0; cpunum < MAX_CPU; cpunum++) if (Machine->drv->cpu[cpunum].cpu_type == CPU_M37702) { memory_install_read16_handler(cpunum, ADDRESS_SPACE_PROGRAM, 0x82, 0x83, 0, 0, speedup_r); memory_install_write16_handler(cpunum, ADDRESS_SPACE_PROGRAM, 0x82, 0x83, 0, 0, speedup_w); } }
static DRIVER_INIT( magicbub ) { // remove_mem_write16_handler (0, 0x800180, 0x800181 ); memory_install_write16_handler(0, ADDRESS_SPACE_PROGRAM, 0x800188, 0x800189, 0, 0, magicbub_sound_command_w); }
static DRIVER_INIT( magicbub ) { // remove_mem_write16_handler (0, 0x800180, 0x800181 ); memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x800188, 0x800189, 0, 0, magicbub_sound_command_w); }
static void update_memory_mapping(running_machine *machine, struct memory_mapper_chip *chip, int decrypt) { int rgnum; if (LOG_MEMORY_MAP) mame_printf_debug("----\nRemapping:\n"); /* first reset everything back to the beginning */ memory_install_readwrite16_handler(cpu_get_address_space(chip->cpu, ADDRESS_SPACE_PROGRAM), 0x000000, 0xffffff, 0, 0, segaic16_memory_mapper_lsb_r, segaic16_memory_mapper_lsb_w); /* loop over the regions */ for (rgnum = 0; chip->map[rgnum].regbase != 0; rgnum++) { static const offs_t region_size_map[4] = { 0x00ffff, 0x01ffff, 0x07ffff, 0x1fffff }; const segaic16_memory_map_entry *rgn = &chip->map[rgnum]; offs_t region_size = region_size_map[chip->regs[rgn->regbase] & 3]; offs_t region_base = (chip->regs[rgn->regbase + 1] << 16) & ~region_size; offs_t region_mirror = rgn->mirror & region_size; offs_t region_start = region_base + (rgn->regoffs & region_size); offs_t region_end = region_start + ((rgn->length - 1 < region_size) ? rgn->length - 1 : region_size); const char *writebank = rgn->writebank; write16_space_func write = rgn->write; const char *readbank = rgn->readbank; read16_space_func read = rgn->read; /* ROM areas need extra clamping */ if (rgn->romoffset != ~0) { offs_t romsize = chip->cpu->region()->bytes(); if (region_start >= romsize) read = NULL; else if (region_start + rgn->length > romsize) region_end = romsize - 1; } /* map it */ if (read != NULL) memory_install_read16_handler(cpu_get_address_space(chip->cpu, ADDRESS_SPACE_PROGRAM), region_start, region_end, 0, region_mirror, read); else if (readbank != NULL) memory_install_read_bank(cpu_get_address_space(chip->cpu, ADDRESS_SPACE_PROGRAM), region_start, region_end, 0, region_mirror, readbank); if (write != NULL) memory_install_write16_handler(cpu_get_address_space(chip->cpu, ADDRESS_SPACE_PROGRAM), region_start, region_end, 0, region_mirror, write); else if (writebank != NULL) memory_install_write_bank(cpu_get_address_space(chip->cpu, ADDRESS_SPACE_PROGRAM), region_start, region_end, 0, region_mirror, writebank); /* set the bank pointer */ if (readbank != NULL) { if (rgn->base != NULL) { memory_configure_bank(machine, readbank, 0, 1, *rgn->base, 0); memory_set_bank(machine, readbank, 0); } else if (rgn->romoffset != ~0) { UINT8 *decrypted = NULL; if (decrypt) { decrypted = (UINT8 *)fd1094_get_decrypted_base(); if (!decrypted) decrypted = (UINT8 *)fd1089_get_decrypted_base(); } memory_configure_bank(machine, readbank, 0, 1, chip->cpu->region()->base() + region_start, 0); if (decrypted) memory_configure_bank_decrypted(machine, readbank, 0, 1, decrypted + region_start, 0); memory_set_bank(machine, readbank, 0); } } if (LOG_MEMORY_MAP) mame_printf_debug(" %06X-%06X (%06X) = %s\n", region_start, region_end, region_mirror, rgn->name); } }
static DRIVER_INIT( ddealer ) { memory_install_read16_handler(0, ADDRESS_SPACE_PROGRAM, 0xfe01c, 0xfe01d, 0, 0, ddealer_mcu_r ); memory_install_write16_handler(0, ADDRESS_SPACE_PROGRAM, 0xfe01e, 0xfe01f, 0, 0, ddealer_mcu_w ); }
static DRIVER_INIT( twrldc94 ) { memory_install_write16_handler(0, ADDRESS_SPACE_PROGRAM, 0x20008a, 0x20008b, 0, 0, twrldc94_mcu_w); }
ROM_END DRIVER_INIT( kyustrkr ) { memory_install_write16_handler(0, ADDRESS_SPACE_PROGRAM, 0x900000, 0x90000f, 0, 0, kyustrkr_input_w); }