// license:BSD-3-Clause // copyright-holders:Miodrag Milanovic /******************************************************************************************* MicroART ATM (clone of Spectrum) Not working because of banking issues. *******************************************************************************************/ #include "emu.h" #include "includes/spectrum.h" #include "includes/spec128.h" #include "includes/specpls3.h" #include "sound/ay8910.h" #include "machine/beta.h" class atm_state : public spectrum_state { public: atm_state(const machine_config &mconfig, device_type type, const char *tag) : spectrum_state(mconfig, type, tag) , m_bank1(*this, "bank1") , m_bank2(*this, "bank2") , m_bank3(*this, "bank3") , m_bank4(*this, "bank4") , m_beta(*this, BETA_DISK_TAG) { } DECLARE_WRITE8_MEMBER(atm_port_7ffd_w); DECLARE_READ8_MEMBER(beta_neutral_r); DECLARE_READ8_MEMBER(beta_enable_r); DECLARE_READ8_MEMBER(beta_disable_r); DECLARE_MACHINE_RESET(atm); void atm(machine_config &config); void atmtb2(machine_config &config); void atm_io(address_map &map); void atm_mem(address_map &map); void atm_switch(address_map &map); protected: required_memory_bank m_bank1; required_memory_bank m_bank2; required_memory_bank m_bank3; required_memory_bank m_bank4; required_device m_beta; private: address_space *m_program; uint8_t *m_p_ram; void atm_update_memory(); }; void atm_state::atm_update_memory() { uint8_t *messram = m_ram->pointer(); m_screen_location = messram + ((m_port_7ffd_data & 8) ? (7<<14) : (5<<14)); m_bank4->set_base(messram + ((m_port_7ffd_data & 0x07) * 0x4000)); if (m_beta->started() && m_beta->is_active() && !( m_port_7ffd_data & 0x10 ) ) m_ROMSelection = 3; else /* ROM switching */ m_ROMSelection = BIT(m_port_7ffd_data, 4) ; /* rom 0 is 128K rom, rom 1 is 48 BASIC */ m_bank1->set_base(&m_p_ram[0x10000 + (m_ROMSelection<<14)]); } WRITE8_MEMBER(atm_state::atm_port_7ffd_w) { /* disable paging */ if (m_port_7ffd_data & 0x20) return; /* store new state */ m_port_7ffd_data = data; /* update memory */ atm_update_memory(); } READ8_MEMBER(atm_state::beta_neutral_r) { return m_program->read_byte(offset); } READ8_MEMBER(atm_state::beta_enable_r) { if(m_ROMSelection == 1) { m_ROMSelection = 3; if (m_beta->started()) { m_beta->enable(); m_bank1->set_base(&m_p_ram[0x18000]); } } return m_program->read_byte(offset + 0x3d00); } READ8_MEMBER(atm_state::beta_disable_r) { if (m_beta->started() && m_beta->is_active()) { m_ROMSelection = BIT(m_port_7ffd_data, 4); m_beta->disable(); m_bank1->set_base(&m_p_ram[0x10000 + (m_ROMSelection<<14)]); } return m_program->read_byte(offset + 0x4000); } ADDRESS_MAP_START(atm_state::atm_mem) AM_RANGE(0x0000, 0x3fff) AM_ROMBANK("bank1") AM_RANGE(0x4000, 0x7fff) AM_RAMBANK("bank2") AM_RANGE(0x8000, 0xbfff) AM_RAMBANK("bank3") AM_RANGE(0xc000, 0xffff) AM_RAMBANK("bank4") ADDRESS_MAP_END ADDRESS_MAP_START(atm_state::atm_io) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x001f, 0x001f) AM_DEVREADWRITE(BETA_DISK_TAG, beta_disk_device, status_r, command_w) AM_MIRROR(0xff00) AM_RANGE(0x003f, 0x003f) AM_DEVREADWRITE(BETA_DISK_TAG, beta_disk_device, track_r, track_w) AM_MIRROR(0xff00) AM_RANGE(0x005f, 0x005f) AM_DEVREADWRITE(BETA_DISK_TAG, beta_disk_device, sector_r, sector_w) AM_MIRROR(0xff00) AM_RANGE(0x007f, 0x007f) AM_DEVREADWRITE(BETA_DISK_TAG, beta_disk_device, data_r, data_w) AM_MIRROR(0xff00) AM_RANGE(0x00fe, 0x00fe) AM_READWRITE(spectrum_port_fe_r,spectrum_port_fe_w) AM_SELECT(0xff00) AM_RANGE(0x00ff, 0x00ff) AM_DEVREADWRITE(BETA_DISK_TAG, beta_disk_device, state_r, param_w) AM_MIRROR(0xff00) AM_RANGE(0x4000, 0x4000) AM_WRITE(atm_port_7ffd_w) AM_MIRROR(0x3ffd) AM_RANGE(0x8000, 0x8000) AM_DEVWRITE("ay8912", ay8910_device, data_w) AM_MIRROR(0x3ffd) AM_RANGE(0xc000, 0xc000) AM_DEVREADWRITE("ay8912", ay8910_device, data_r, address_w) AM_MIRROR(0x3ffd) ADDRESS_MAP_END ADDRESS_MAP_START(atm_state::atm_switch) AM_RANGE(0x0000, 0x3fff) AM_READ(beta_neutral_r) // Overlap with previous because we want real addresses on the 3e00-3fff range AM_RANGE(0x3d00, 0x3dff) AM_READ(beta_enable_r) AM_RANGE(0x4000, 0xffff) AM_READ(beta_disable_r) ADDRESS_MAP_END MACHINE_RESET_MEMBER(atm_state,atm) { uint8_t *messram = m_ram->pointer(); m_program = &m_maincpu->space(AS_PROGRAM); m_p_ram = memregion("maincpu")->base(); if (m_beta->started()) m_beta->enable(); memset(messram,0,128*1024); /* Bank 5 is always in 0x4000 - 0x7fff */ m_bank2->set_base(messram + (5<<14)); /* Bank 2 is always in 0x8000 - 0xbfff */ m_bank3->set_base(messram + (2<<14)); m_port_7ffd_data = 0; m_port_1ffd_data = -1; atm_update_memory(); } /* F4 Character Displayer */ static const gfx_layout spectrum_charlayout = { 8, 8, /* 8 x 8 characters */ 96, /* 96 characters */ 1, /* 1 bits per pixel */ { 0 }, /* no bitplanes */ /* x offsets */ { 0, 1, 2, 3, 4, 5, 6, 7 }, /* y offsets */ { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, 8*8 /* every char takes 8 bytes */ }; static GFXDECODE_START( atm ) GFXDECODE_ENTRY( "maincpu", 0x1fd00, spectrum_charlayout, 0, 8 ) GFXDECODE_END static GFXDECODE_START( atmtb2 ) GFXDECODE_ENTRY( "maincpu", 0x13d00, spectrum_charlayout, 0, 8 ) GFXDECODE_END MACHINE_CONFIG_START(atm_state::atm) spectrum_128(config); MCFG_CPU_MODIFY("maincpu") MCFG_CPU_PROGRAM_MAP(atm_mem) MCFG_CPU_IO_MAP(atm_io) MCFG_CPU_OPCODES_MAP(atm_switch) MCFG_MACHINE_RESET_OVERRIDE(atm_state, atm ) MCFG_BETA_DISK_ADD(BETA_DISK_TAG) MCFG_GFXDECODE_MODIFY("gfxdecode", atm) MCFG_DEVICE_REMOVE("exp") MACHINE_CONFIG_END MACHINE_CONFIG_START(atm_state::atmtb2) atm(config); MCFG_GFXDECODE_MODIFY("gfxdecode", atmtb2) MACHINE_CONFIG_END /*************************************************************************** Game driver(s) ***************************************************************************/ ROM_START( atm ) ROM_REGION(0x020000, "maincpu", ROMREGION_ERASEFF) ROM_SYSTEM_BIOS(0, "v1", "v.1.03") ROMX_LOAD( "atm103.rom", 0x010000, 0x10000, CRC(4912e249) SHA1(a4adff05bb215dd126c47201b36956115b8fed76), ROM_BIOS(1)) ROM_SYSTEM_BIOS(1, "v2", "v.1.06 joined") ROMX_LOAD( "atm106.rom", 0x010000, 0x10000, CRC(75350b37) SHA1(2afc9994f026645c74b6c4b35bcee2e0bc0d6edc), ROM_BIOS(2)) ROM_SYSTEM_BIOS(2, "v3", "v.1.06") ROMX_LOAD( "atm106-1.rom", 0x010000, 0x4000, CRC(658c98f1) SHA1(1ec694795aa6cac10147e58f38a9db0bdf7ed89b), ROM_BIOS(3)) ROMX_LOAD( "atm106-2.rom", 0x014000, 0x4000, CRC(8fe367f9) SHA1(56de8fd39061663b9c315b74fd3c31acddae279c), ROM_BIOS(3)) ROMX_LOAD( "atm106-3.rom", 0x018000, 0x4000, CRC(124ad9e0) SHA1(d07fcdeca892ee80494d286ea9ea5bf3928a1aca), ROM_BIOS(3)) ROMX_LOAD( "atm106-4.rom", 0x01c000, 0x4000, CRC(f352f2ab) SHA1(6045500ab01be708cef62327e9821b4a358a4673), ROM_BIOS(3)) ROM_SYSTEM_BIOS(3, "v4", "v.1.03rs") ROMX_LOAD( "atm103rs.rom", 0x010000, 0x10000, CRC(cdec1dfb) SHA1(08190807c6b110cb2e657d8e7d0ad18668915375), ROM_BIOS(4)) ROM_END ROM_START( atmtb2 ) ROM_REGION(0x020000, "maincpu", ROMREGION_ERASEFF) ROM_SYSTEM_BIOS(0, "v1", "v.1.07.12 joined") ROMX_LOAD( "atmtb2.rom", 0x010000, 0x10000,CRC(05218c26) SHA1(71ed9864e7aa85131de97cf1e53dc152e7c79488), ROM_BIOS(1)) ROM_SYSTEM_BIOS(1, "v2", "v.1.07.12") ROMX_LOAD( "atmtb2-1.rom", 0x010000, 0x4000, CRC(658c98f1) SHA1(1ec694795aa6cac10147e58f38a9db0bdf7ed89b), ROM_BIOS(2)) ROMX_LOAD( "atmtb2-2.rom", 0x014000, 0x4000, CRC(bc3f6b2b) SHA1(afa9df63857141fef270e2c97e12d2edc60cf919), ROM_BIOS(2)) ROMX_LOAD( "atmtb2-3.rom", 0x018000, 0x4000, CRC(124ad9e0) SHA1(d07fcdeca892ee80494d286ea9ea5bf3928a1aca), ROM_BIOS(2)) ROMX_LOAD( "atmtb2-4.rom", 0x01c000, 0x4000, CRC(5869d8c4) SHA1(c3e198138f528ac4a8dff3c76cd289fd4713abff), ROM_BIOS(2)) ROM_SYSTEM_BIOS(2, "v3", "v.1.07.13") ROMX_LOAD( "atmtb213.rom", 0x010000, 0x10000, CRC(34a91d53) SHA1(8f0af0f3c0ff1644535f20545c73d01576d6e52f), ROM_BIOS(3)) ROM_REGION(0x01000, "keyboard", ROMREGION_ERASEFF) // XT Keyboard ROM_LOAD( "rf2ve3.rom", 0x0000, 0x0580, CRC(35e0f9ec) SHA1(adcf14758fab8472cfa0167af7e8326c66416416)) // AT Keyboard ROM_LOAD( "rfat710.rom", 0x0600, 0x0680, CRC(03734365) SHA1(6cb6311727fad9bc4ccb18919c3c39b37529b8e6)) ROM_REGION(0x08000, "charrom", ROMREGION_ERASEFF) // Char gen rom ROM_LOAD( "sgen.rom", 0x0000, 0x0800, CRC(1f4387d6) SHA1(93b3774dc8a486643a1bdd48c606b0c84fa0e22b)) ROM_END /* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME */ COMP( 1991, atm, spec128, 0, atm, spec_plus, atm_state, 0, "MicroART", "ATM", MACHINE_NOT_WORKING) //COMP( 1991, atmtb1, spec128, 0, atm, spec_plus, atm_state, 0, "MicroART", "ATM-turbo1", MACHINE_NOT_WORKING) COMP( 1993, atmtb2, spec128, 0, atmtb2, spec_plus, atm_state, 0, "MicroART", "ATM-turbo2", MACHINE_NOT_WORKING) //COMP( 1994, turbo2, spec128, 0, atm, spec_plus, atm_state, 0, "MicroART", "TURBO 2+", MACHINE_NOT_WORKING)