// license:BSD-3-Clause // copyright-holders:Wilbert Pol /* Tandy 1000 ========== Tandy 1000 machines are similar to the IBM 5160s with CGA graphics. Tandy added some additional graphic capabilities similar, but not equal, to those added for the IBM PC Jr. The Tandy 1000's features include a pair of 6-pin mini-DIN connectors for analog joysticks. They are compatible with CoCo joysticks but not standard PC joysticks, though the software interface is identical. This difference is not accurately reflected in the current slot device configuration. Tandy 1000 (8088) variations: 1000 128KB-640KB RAM 4.77 MHz v01.00.00, v01.01.00 1000A/1000HD 128KB-640KB RAM 4.77 MHz v01.01.00 1000SX/1000AX 384KB-640KB RAM 7.16/4.77 MHz v01.02.00 1000EX 256KB-640KB RAM 7.16/4.77 MHz v01.02.00 1000HX 256KB-640KB RAM 7.16/4.77 MHz v02.00.00 Tandy 1000 (8086) variations: 1000RL/1000RL-HD 512KB-768KB RAM 9.44/4.77 MHz v02.00.00, v02.00.01 1000SL/1000PC 384KB-640KB RAM 8.0/4.77 MHz v01.04.00, v01.04.01, v01.04.02, v02.00.01 1000SL/2 512KB-640KB RAM 8.0/4.77 MHz v01.04.04 Tandy 1000 (80286) variations: 1000TX 640KB-768KB RAM 8.0/4.77 MHz v01.03.00 1000TL 640KB-768KB RAM 8.0/4.77 MHz v01.04.00, v01.04.01, v01.04.02 1000TL/2 640KB-768KB RAM 8.0/4.77 MHz v02.00.00 1000TL/3 640KB-768KB RAM 10.0/5.0 MHz v02.00.00 1000RLX 512KB-1024KB RAM 10.0/5.0 MHz v02.00.00 1000RLX-HD 1024MB RAM 10.0/5.0 MHz v02.00.00 Tandy 1000 (80386) variations: 1000RSX/1000RSX-HD 1M-9M RAM 25.0/8.0 MHz v01.10.00 */ #include "emu.h" #include "machine/genpc.h" #include "machine/pckeybrd.h" #include "machine/nvram.h" #include "machine/pc_fdc.h" #include "machine/bankdev.h" #include "video/pc_t1t.h" #include "sound/sn76496.h" #include "cpu/i86/i86.h" #include "cpu/i86/i286.h" #include "bus/pc_joy/pc_joy.h" #include "screen.h" #include "softlist.h" DECLARE_DEVICE_TYPE(T1000_MOTHERBOARD, t1000_mb_device) class t1000_mb_device : public pc_noppi_mb_device { public: // construction/destruction t1000_mb_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : pc_noppi_mb_device(mconfig, T1000_MOTHERBOARD, tag, owner, clock) { } protected: virtual void device_start() override; }; void t1000_mb_device::device_start() { } DEFINE_DEVICE_TYPE(T1000_MOTHERBOARD, t1000_mb_device, "t1000_mb", "Tandy 1000 Motherboard") class tandy1000_state : public driver_device { public: tandy1000_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_maincpu(*this, "maincpu") , m_biosbank(*this, "biosbank") , m_keyboard(*this, "pc_keyboard") , m_mb(*this, "mb") , m_video(*this, "pcvideo_t1000") , m_ram(*this, RAM_TAG) , m_vram_bank(0) { } void tandy1000_common(machine_config &config); void tandy1000_90key(machine_config &config); void tandy1000_101key(machine_config &config); void t1000tl(machine_config &config); void t1000sx(machine_config &config); void t1000rl(machine_config &config); void t1000sl2(machine_config &config); void t1000hx(machine_config &config); void t1000tx(machine_config &config); private: required_device m_maincpu; // Memory regions for the machines that support rom banking optional_device m_biosbank; required_device m_keyboard; required_device m_mb; required_device m_video; required_device m_ram; DECLARE_WRITE8_MEMBER ( pc_t1t_p37x_w ); DECLARE_READ8_MEMBER ( pc_t1t_p37x_r ); DECLARE_WRITE8_MEMBER ( tandy1000_pio_w ); DECLARE_READ8_MEMBER(tandy1000_pio_r); DECLARE_READ8_MEMBER( tandy1000_bank_r ); DECLARE_WRITE8_MEMBER( tandy1000_bank_w ); DECLARE_WRITE8_MEMBER( nmi_vram_bank_w ); DECLARE_WRITE8_MEMBER( vram_bank_w ); DECLARE_READ8_MEMBER( vram_r ); DECLARE_WRITE8_MEMBER( vram_w ); DECLARE_WRITE8_MEMBER( devctrl_w ); DECLARE_READ8_MEMBER( unk_r ); int tandy1000_read_eeprom(); void tandy1000_write_eeprom(uint8_t data); void tandy1000_set_bios_bank(); void machine_start() override; DECLARE_MACHINE_RESET(tandy1000rl); struct { uint8_t low, high; } m_eeprom_ee[0x40]; /* only 0 to 4 used in hx, addressing seems to allow this */ int m_eeprom_state; int m_eeprom_clock; uint8_t m_eeprom_oper; uint16_t m_eeprom_data; uint8_t m_tandy_data[8]; uint8_t m_tandy_bios_bank; /* I/O port FFEAh */ uint8_t m_tandy_ppi_porta, m_tandy_ppi_ack; uint8_t m_tandy_ppi_portb, m_tandy_ppi_portc; uint8_t m_vram_bank; static void cfg_fdc_35(device_t *device); static void cfg_fdc_525(device_t *device); void biosbank_map(address_map &map); void tandy1000_16_io(address_map &map); void tandy1000_286_map(address_map &map); void tandy1000_bank_io(address_map &map); void tandy1000_bank_map(address_map &map); void tandy1000_io(address_map &map); void tandy1000_map(address_map &map); void tandy1000tx_io(address_map &map); }; /* tandy 1000 eeprom hx and later clock, and data out lines at 0x37c data in at 0x62 bit 4 (0x10) 8x read 16 bit word at x 30 cx 30 4x 16bit 00 write 16bit at x */ int tandy1000_state::tandy1000_read_eeprom() { if ((m_eeprom_state>=100)&&(m_eeprom_state<=199)) return m_eeprom_data&0x8000; return 1; } void tandy1000_state::tandy1000_write_eeprom(uint8_t data) { if (!m_eeprom_clock && (data&4) ) { // logerror("!!!tandy1000 eeprom %.2x %.2x\n",m_eeprom_state, data); switch (m_eeprom_state) { case 0: if ((data&3)==0) m_eeprom_state++; break; case 1: if ((data&3)==2) m_eeprom_state++; break; case 2: if ((data&3)==3) m_eeprom_state++; break; case 3: m_eeprom_oper=data&1; m_eeprom_state++; break; case 4: case 5: case 6: case 7: case 8: case 9: m_eeprom_oper=(m_eeprom_oper<<1)|(data&1); m_eeprom_state++; break; case 10: m_eeprom_oper=(m_eeprom_oper<<1)|(data&1); logerror("!!!tandy1000 eeprom %.2x\n",m_eeprom_oper); if ((m_eeprom_oper&0xc0)==0x80) { m_eeprom_state=100; m_eeprom_data=m_eeprom_ee[m_eeprom_oper&0x3f].low |(m_eeprom_ee[m_eeprom_oper&0x3f].high<<8); logerror("!!!tandy1000 eeprom read %.2x,%.4x\n",m_eeprom_oper,m_eeprom_data); } else if ((m_eeprom_oper&0xc0)==0x40) { m_eeprom_state=200; } else m_eeprom_state=0; break; /* read 16 bit */ case 100: m_eeprom_state++; break; case 101: case 102: case 103: case 104: case 105: case 106: case 107: case 108: case 109: case 110: case 111: case 112: case 113: case 114: case 115: m_eeprom_data<<=1; m_eeprom_state++; break; case 116: m_eeprom_data<<=1; m_eeprom_state=0; break; /* write 16 bit */ case 200: case 201: case 202: case 203: case 204: case 205: case 206: case 207: case 208: case 209: case 210: case 211: case 212: case 213: case 214: m_eeprom_data=(m_eeprom_data<<1)|(data&1); m_eeprom_state++; break; case 215: m_eeprom_data=(m_eeprom_data<<1)|(data&1); logerror("tandy1000 %.2x %.4x written\n",m_eeprom_oper,m_eeprom_data); m_eeprom_ee[m_eeprom_oper&0x3f].low=m_eeprom_data&0xff; m_eeprom_ee[m_eeprom_oper&0x3f].high=m_eeprom_data>>8; m_eeprom_state=0; break; } } m_eeprom_clock=data&4; } WRITE8_MEMBER( tandy1000_state::pc_t1t_p37x_w ) { // DBG_LOG(2,"T1T_p37x_w",("%.5x #%d $%02x\n", m_maincpu->pc( ),offset, data)); if (offset!=4) logerror("T1T_p37x_w %.5x #%d $%02x\n", m_maincpu->pc( ),offset, data); m_tandy_data[offset]=data; switch( offset ) { case 4: tandy1000_write_eeprom(data); break; } } READ8_MEMBER( tandy1000_state::pc_t1t_p37x_r ) { int data = m_tandy_data[offset]; // DBG_LOG(1,"T1T_p37x_r",("%.5x #%d $%02x\n", m_maincpu->pc( ), offset, data)); return data; } /* this is for tandy1000hx hopefully this works for all x models must not be a ppi8255 chip (think custom chip) port c: bit 4 input eeprom data in bit 3 output turbo mode */ WRITE8_MEMBER( tandy1000_state::tandy1000_pio_w ) { switch (offset) { case 1: m_tandy_ppi_portb = data; m_mb->m_pit8253->write_gate2(BIT(data, 0)); m_mb->pc_speaker_set_spkrdata( data & 0x02 ); // sx enables keyboard from bit 3, others bit 6, hopefully theres no conflict m_keyboard->enable(data&0x48); if ( data & 0x80 ) { m_mb->m_pic8259->ir1_w(0); m_tandy_ppi_ack = 1; } break; case 2: m_tandy_ppi_portc = data; if (data & 8) m_maincpu->set_clock_scale(1); else m_maincpu->set_clock_scale(4.77/8); break; } } READ8_MEMBER(tandy1000_state::tandy1000_pio_r) { int data=0xff; switch (offset) { case 0: if (m_tandy_ppi_ack) { m_tandy_ppi_porta = m_keyboard->read(space, 0); m_tandy_ppi_ack = 0; } data = m_tandy_ppi_porta; break; case 1: data=m_tandy_ppi_portb; break; case 2: // if (tandy1000hx) { // data=m_tandy_ppi_portc; // causes problems (setuphx) if (!tandy1000_read_eeprom()) data&=~0x10; // } break; } return data; } WRITE8_MEMBER( tandy1000_state::nmi_vram_bank_w ) { m_mb->nmi_enable_w(space, 0, data & 0x80); vram_bank_w(space, 0, data & 0x1e); m_video->disable_w((data & 1) ? ASSERT_LINE : CLEAR_LINE); } WRITE8_MEMBER( tandy1000_state::vram_bank_w ) { m_vram_bank = (data >> 1) & 7; } WRITE8_MEMBER( tandy1000_state::devctrl_w ) { m_video->disable_w((data & 4) ? ASSERT_LINE : CLEAR_LINE); } READ8_MEMBER( tandy1000_state::unk_r ) { return 0; // status port? } READ8_MEMBER( tandy1000_state::vram_r ) { uint8_t vram_base = (m_ram->size() >> 17) - 1; if((m_vram_bank - vram_base) == (offset >> 17)) return m_ram->pointer()[offset & 0x1ffff]; return 0xff; } WRITE8_MEMBER( tandy1000_state::vram_w ) { uint8_t vram_base = (m_ram->size() >> 17) - 1; if((m_vram_bank - vram_base) == (offset >> 17)) m_ram->pointer()[offset & 0x1ffff] = data; } void tandy1000_state::tandy1000_set_bios_bank() { int bank; if ( m_tandy_bios_bank & 0x10 ) { if (m_tandy_bios_bank & 0x04 ) { bank = (m_tandy_bios_bank & 3) + 8; } else { bank = m_tandy_bios_bank & 3; } } else { bank = m_tandy_bios_bank & 0x0f; } m_biosbank->set_bank( bank ); } MACHINE_RESET_MEMBER(tandy1000_state, tandy1000rl) { m_tandy_bios_bank = 6; tandy1000_set_bios_bank(); } void tandy1000_state::machine_start() { m_maincpu->space(AS_PROGRAM).install_ram(0, m_ram->size() - (128*1024) - 1, &m_ram->pointer()[128*1024]); if(m_maincpu->space(AS_PROGRAM).data_width() == 8) m_maincpu->space(AS_PROGRAM).install_readwrite_handler(m_ram->size() - (128*1024), 640*1024 - 1, read8_delegate(*this, FUNC(tandy1000_state::vram_r)), write8_delegate(*this, FUNC(tandy1000_state::vram_w))); else m_maincpu->space(AS_PROGRAM).install_readwrite_handler(m_ram->size() - (128*1024), 640*1024 - 1, read8_delegate(*this, FUNC(tandy1000_state::vram_r)), write8_delegate(*this, FUNC(tandy1000_state::vram_w)), 0xffff); subdevice("nvram")->set_base(m_eeprom_ee, sizeof(m_eeprom_ee)); } READ8_MEMBER( tandy1000_state::tandy1000_bank_r ) { uint8_t data = 0xFF; logerror( "%s: tandy1000_bank_r: offset = %x\n", machine().describe_context(), offset ); switch( offset ) { case 0x00: /* FFEA */ data = m_tandy_bios_bank ^ 0x10; // Bit 4 is read back inverted break; } return data; } WRITE8_MEMBER( tandy1000_state::tandy1000_bank_w ) { logerror( "%s: tandy1000_bank_w: offset = %x, data = %02x\n", machine().describe_context(), offset, data ); switch( offset ) { case 0x00: /* FFEA */ m_tandy_bios_bank = data; tandy1000_set_bios_bank(); break; // UART clock, joystick, and sound enable // bit 0 - 0 = Clock divided by 13 // 1 = Clock divided by 1 // bit 1 - 0 = Disable joystick // 1 = Enable joystick // bit 2 - 0 = Disable Sound Chip // 1 = Enable Sound Chip case 0x01: break; } } static INPUT_PORTS_START( t1000_common ) PORT_START("IN0") /* IN0 */ PORT_BIT ( 0xf0, 0xf0, IPT_UNUSED ) PORT_BIT ( 0x08, 0x08, IPT_CUSTOM ) PORT_VBLANK("pcvideo_t1000:screen") PORT_BIT ( 0x07, 0x07, IPT_UNUSED ) PORT_START("DSW0") /* IN1 */ PORT_BIT ( 0xff, 0xff, IPT_UNUSED ) PORT_START("DSW1") /* IN2 */ PORT_DIPNAME( 0x80, 0x80, "COM1: enable") PORT_DIPSETTING( 0x00, DEF_STR( No ) ) PORT_DIPSETTING( 0x80, DEF_STR( Yes ) ) PORT_DIPNAME( 0x40, 0x40, "COM2: enable") PORT_DIPSETTING( 0x00, DEF_STR( No ) ) PORT_DIPSETTING( 0x40, DEF_STR( Yes ) ) PORT_BIT ( 0x30, 0x00, IPT_UNUSED ) PORT_DIPNAME( 0x08, 0x08, "LPT1: enable") PORT_DIPSETTING( 0x00, DEF_STR( No ) ) PORT_DIPSETTING( 0x08, DEF_STR( Yes ) ) PORT_BIT ( 0x06, 0x00, IPT_UNUSED ) PORT_DIPNAME( 0x01, 0x00, "Game port enable") PORT_DIPSETTING( 0x00, DEF_STR( No ) ) PORT_DIPSETTING( 0x01, DEF_STR( Yes ) ) PORT_START("DSW2") /* IN3 */ PORT_DIPNAME( 0x08, 0x08, "HDC1 (C800:0 port 320-323)") PORT_DIPSETTING( 0x00, DEF_STR( No ) ) PORT_DIPSETTING( 0x08, DEF_STR( Yes ) ) PORT_DIPNAME( 0x04, 0x04, "HDC2 (CA00:0 port 324-327)") PORT_DIPSETTING( 0x00, DEF_STR( No ) ) PORT_DIPSETTING( 0x04, DEF_STR( Yes ) ) PORT_BIT( 0x02, 0x02, IPT_UNUSED ) /* no turbo switch */ PORT_BIT( 0x01, 0x01, IPT_UNUSED ) INPUT_PORTS_END /* 90-key Tandy Keyboard layout, used on earlier models later models use the Tandy Enhanced Keyboard with a standard 101-key Enhanced AT layout */ static INPUT_PORTS_START( t1000_keyboard ) PORT_INCLUDE(pc_keyboard) PORT_MODIFY("pc_keyboard_2") PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Cursor Up") PORT_CODE(KEYCODE_UP) /* 29 A9 */ PORT_BIT(0x0800, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Cursor Left") PORT_CODE(KEYCODE_LEFT) /* 2B AB */ PORT_MODIFY("pc_keyboard_3") PORT_BIT(0x0400, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Caps") PORT_CODE(KEYCODE_CAPSLOCK) PORT_TOGGLE /* Caps Lock 3A BA */ PORT_MODIFY("pc_keyboard_4") PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("NumLock") PORT_CODE(KEYCODE_NUMLOCK) PORT_TOGGLE /* Num Lock 45 C5 */ /* Hold corresponds to Scroll Lock, but pauses the system when pressed - leaving unmapped by default to avoid conflicting with the UI Toggle key */ PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Hold") /* 46 C6 */ PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("KP 7 \\") PORT_CODE(KEYCODE_7_PAD) /* Keypad 7 47 C7 */ PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("KP 8 ~") PORT_CODE(KEYCODE_8_PAD) /* Keypad 8 48 C8 */ PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("KP 9 (PgUp)") PORT_CODE(KEYCODE_9_PAD) /* Keypad 9 (PgUp) 49 C9 */ PORT_BIT(0x0400, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Cursor Down") PORT_CODE(KEYCODE_DOWN) /* 4A CA */ PORT_BIT(0x0800, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("KP 4 |") PORT_CODE(KEYCODE_4_PAD) /* Keypad 4 4B CB */ PORT_BIT(0x2000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("KP 6") PORT_CODE(KEYCODE_6_PAD) /* Keypad 6 4D CD */ PORT_BIT(0x4000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Cursor Right") PORT_CODE(KEYCODE_RIGHT) /* 4E CE */ PORT_BIT(0x8000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("KP 1 (End)") PORT_CODE(KEYCODE_1_PAD) /* Keypad 1 (End) 4F CF */ PORT_MODIFY("pc_keyboard_5") PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("KP 2 `") PORT_CODE(KEYCODE_2_PAD) /* Keypad 2 50 D0 */ PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("KP 3 (PgDn)") PORT_CODE(KEYCODE_3_PAD) /* Keypad 3 (PgDn) 51 D1 */ PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("KP 0") PORT_CODE(KEYCODE_0_PAD) /* Keypad 0 52 D2 */ PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("KP - (Del)") PORT_CODE(KEYCODE_MINUS_PAD) /* - Delete 53 D3 */ PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Break") PORT_CODE(KEYCODE_STOP) /* Break 54 D4 */ PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("+ Insert") PORT_CODE(KEYCODE_PLUS_PAD) /* + Insert 55 D5 */ PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(".") PORT_CODE(KEYCODE_DEL_PAD) /* . 56 D6 */ PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Enter") PORT_CODE(KEYCODE_ENTER_PAD) /* Enter 57 D7 */ PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Home") PORT_CODE(KEYCODE_HOME) /* HOME 58 D8 */ PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F11") PORT_CODE(KEYCODE_F11) /* F11 59 D9 */ PORT_BIT(0x0400, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F12") PORT_CODE(KEYCODE_F12) /* F12 5a Da */ INPUT_PORTS_END static INPUT_PORTS_START( t1000_90key ) PORT_INCLUDE(t1000_common) PORT_INCLUDE(t1000_keyboard) INPUT_PORTS_END static INPUT_PORTS_START( t1000_101key ) PORT_INCLUDE(t1000_common) PORT_INCLUDE(at_keyboard) INPUT_PORTS_END void tandy1000_state::tandy1000_map(address_map &map) { map.unmap_value_high(); map(0xb8000, 0xbffff).m("pcvideo_t1000:vram", FUNC(address_map_bank_device::amap8)); map(0xe0000, 0xfffff).rom().region("bios", 0); } void tandy1000_state::tandy1000_io(address_map &map) { map.unmap_value_high(); map(0x0000, 0x00ff).m(m_mb, FUNC(t1000_mb_device::map)); map(0x0060, 0x0063).rw(FUNC(tandy1000_state::tandy1000_pio_r), FUNC(tandy1000_state::tandy1000_pio_w)); map(0x00a0, 0x00a0).w(FUNC(tandy1000_state::nmi_vram_bank_w)); map(0x00c0, 0x00c0).w("sn76496", FUNC(ncr8496_device::write)); map(0x0200, 0x0207).rw("pc_joy", FUNC(pc_joy_device::joy_port_r), FUNC(pc_joy_device::joy_port_w)); map(0x0378, 0x037f).rw(FUNC(tandy1000_state::pc_t1t_p37x_r), FUNC(tandy1000_state::pc_t1t_p37x_w)); map(0x03d0, 0x03df).r(m_video, FUNC(pcvideo_t1000_device::read)).w(m_video, FUNC(pcvideo_t1000_device::write)); } void tandy1000_state::tandy1000_bank_map(address_map &map) { map.unmap_value_high(); map(0xb8000, 0xbffff).m("pcvideo_t1000:vram", FUNC(address_map_bank_device::amap8)); map(0xe0000, 0xeffff).m(m_biosbank, FUNC(address_map_bank_device::amap16)); map(0xf0000, 0xfffff).rom().region("rom", 0x70000); } void tandy1000_state::biosbank_map(address_map &map) { map.unmap_value_high(); map(0x80000, 0xfffff).rom().region("rom", 0); } void tandy1000_state::tandy1000_16_io(address_map &map) { map.unmap_value_high(); map(0x0000, 0x00ff).m(m_mb, FUNC(t1000_mb_device::map)); map(0x0060, 0x0063).rw(FUNC(tandy1000_state::tandy1000_pio_r), FUNC(tandy1000_state::tandy1000_pio_w)); map(0x0065, 0x0065).w(FUNC(tandy1000_state::devctrl_w)); map(0x00a0, 0x00a0).r(FUNC(tandy1000_state::unk_r)); map(0x00c0, 0x00c1).w("sn76496", FUNC(ncr8496_device::write)); map(0x0200, 0x0207).rw("pc_joy", FUNC(pc_joy_device::joy_port_r), FUNC(pc_joy_device::joy_port_w)); map(0x0378, 0x037f).rw(FUNC(tandy1000_state::pc_t1t_p37x_r), FUNC(tandy1000_state::pc_t1t_p37x_w)); map(0x03d0, 0x03df).r(m_video, FUNC(pcvideo_t1000_device::read)).w(m_video, FUNC(pcvideo_t1000_device::write)); map(0xffe8, 0xffe8).w(FUNC(tandy1000_state::vram_bank_w)); } void tandy1000_state::tandy1000_bank_io(address_map &map) { map.unmap_value_high(); tandy1000_16_io(map); map(0xffea, 0xffeb).rw(FUNC(tandy1000_state::tandy1000_bank_r), FUNC(tandy1000_state::tandy1000_bank_w)); } void tandy1000_state::tandy1000tx_io(address_map &map) { map.unmap_value_high(); tandy1000_16_io(map); map(0x00a0, 0x00a0).w(FUNC(tandy1000_state::nmi_vram_bank_w)); } void tandy1000_state::tandy1000_286_map(address_map &map) { map.unmap_value_high(); map.global_mask(0x000fffff); map(0xb8000, 0xbffff).m("pcvideo_t1000:vram", FUNC(address_map_bank_device::amap8)); map(0xe0000, 0xfffff).rom().region("bios", 0); } static const gfx_layout t1000_charlayout = { 8, 16, 256, 1, { 0 }, { 0, 1, 2, 3, 4, 5, 6, 7 }, { 0, 2048, 4096, 6144, 8192, 10240, 12288, 14336, 16384, 18432, 20480, 22528, 24576, 26624, 28672, 30720 }, 8 }; void tandy1000_state::cfg_fdc_35(device_t *device) { dynamic_cast(*device->subdevice("fdc:0")).set_default_option("35dd"); dynamic_cast(*device->subdevice("fdc:0")).set_fixed(true); dynamic_cast(*device->subdevice("fdc:1")).set_default_option(nullptr); } void tandy1000_state::cfg_fdc_525(device_t *device) { dynamic_cast(*device->subdevice("fdc:0")).set_fixed(true); dynamic_cast(*device->subdevice("fdc:1")).set_default_option(nullptr); } static GFXDECODE_START( gfx_t1000 ) GFXDECODE_ENTRY( "gfx1", 0x0000, t1000_charlayout, 3, 1 ) GFXDECODE_END void tandy1000_state::tandy1000_common(machine_config &config) { T1000_MOTHERBOARD(config, m_mb, 0); m_mb->set_cputag("maincpu"); m_mb->int_callback().set_inputline("maincpu", 0); m_mb->nmi_callback().set_inputline("maincpu", INPUT_LINE_NMI); /* video hardware */ PCVIDEO_T1000(config, m_video, 0); m_video->set_screen("pcvideo_t1000:screen"); GFXDECODE(config, "gfxdecode", "pcvideo_t1000:palette", gfx_t1000); /* sound hardware */ NCR8496(config, "sn76496", XTAL(14'318'181)/4).add_route(ALL_OUTPUTS, "mb:mono", 0.80); NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0); isa8_slot_device &isa_fdc(ISA8_SLOT(config, "isa_fdc", 0, "mb:isa", pc_isa8_cards, "fdc_xt", true)); // FIXME: determine ISA bus clock isa_fdc.set_option_machine_config("fdc_xt", cfg_fdc_35); ISA8_SLOT(config, "isa_lpt", 0, "mb:isa", pc_isa8_cards, "lpt", true); ISA8_SLOT(config, "isa_com", 0, "mb:isa", pc_isa8_cards, "com", true); PC_JOY(config, "pc_joy"); /* internal ram */ RAM(config, m_ram).set_default_size("640K"); SOFTWARE_LIST(config, "disk_list").set_original("t1000"); SOFTWARE_LIST(config, "pc_list").set_compatible("ibm5150"); } void tandy1000_state::tandy1000_90key(machine_config &config) { PC_KEYB(config, m_keyboard); m_keyboard->keypress().set("mb:pic8259", FUNC(pic8259_device::ir1_w)); } void tandy1000_state::tandy1000_101key(machine_config &config) { AT_KEYB(config, m_keyboard, pc_keyboard_device::KEYBOARD_TYPE::AT, 1); m_keyboard->keypress().set("mb:pic8259", FUNC(pic8259_device::ir1_w)); } void tandy1000_state::t1000hx(machine_config &config) { I8088(config, m_maincpu, 8000000); m_maincpu->set_addrmap(AS_PROGRAM, &tandy1000_state::tandy1000_map); m_maincpu->set_addrmap(AS_IO, &tandy1000_state::tandy1000_io); m_maincpu->set_irq_acknowledge_callback("mb:pic8259", FUNC(pic8259_device::inta_cb)); tandy1000_common(config); tandy1000_90key(config); // plus cards are isa with a nonstandard conntector ISA8_SLOT(config, "plus1", 0, "mb:isa", pc_isa8_cards, nullptr, false); // FIXME: determine ISA bus clock m_ram->set_extra_options("256K, 384K"); } void tandy1000_state::t1000sx(machine_config &config) { t1000hx(config); subdevice("isa_fdc")->set_option_machine_config("fdc_xt", cfg_fdc_525); ISA8_SLOT(config, "isa1", 0, "mb:isa", pc_isa8_cards, nullptr, false); // FIXME: determine ISA bus clock ISA8_SLOT(config, "isa2", 0, "mb:isa", pc_isa8_cards, nullptr, false); ISA8_SLOT(config, "isa3", 0, "mb:isa", pc_isa8_cards, nullptr, false); ISA8_SLOT(config, "isa4", 0, "mb:isa", pc_isa8_cards, nullptr, false); m_ram->set_extra_options("384K"); } void tandy1000_state::t1000rl(machine_config &config) { I8086(config, m_maincpu, XTAL(28'636'363) / 3); m_maincpu->set_addrmap(AS_PROGRAM, &tandy1000_state::tandy1000_bank_map); m_maincpu->set_addrmap(AS_IO, &tandy1000_state::tandy1000_bank_io); m_maincpu->set_irq_acknowledge_callback("mb:pic8259", FUNC(pic8259_device::inta_cb)); tandy1000_common(config); tandy1000_101key(config); ADDRESS_MAP_BANK(config, "biosbank").set_map(&tandy1000_state::biosbank_map).set_options(ENDIANNESS_LITTLE, 16, 20, 0x10000); MCFG_MACHINE_RESET_OVERRIDE(tandy1000_state,tandy1000rl) m_ram->set_extra_options("384K"); } void tandy1000_state::t1000sl2(machine_config &config) { t1000rl(config); m_maincpu->set_clock(XTAL(24'000'000) / 3); ISA8_SLOT(config, "isa1", 0, "mb:isa", pc_isa8_cards, nullptr, false); // FIXME: determine ISA bus clock ISA8_SLOT(config, "isa2", 0, "mb:isa", pc_isa8_cards, nullptr, false); ISA8_SLOT(config, "isa3", 0, "mb:isa", pc_isa8_cards, nullptr, false); ISA8_SLOT(config, "isa4", 0, "mb:isa", pc_isa8_cards, nullptr, false); } void tandy1000_state::t1000tl(machine_config &config) { I80286(config, m_maincpu, XTAL(28'636'363) / 2); m_maincpu->set_addrmap(AS_PROGRAM, &tandy1000_state::tandy1000_286_map); m_maincpu->set_addrmap(AS_IO, &tandy1000_state::tandy1000_16_io); m_maincpu->set_irq_acknowledge_callback("mb:pic8259", FUNC(pic8259_device::inta_cb)); tandy1000_common(config); tandy1000_101key(config); ISA8_SLOT(config, "isa1", 0, "mb:isa", pc_isa8_cards, nullptr, false); // FIXME: determine ISA bus clock ISA8_SLOT(config, "isa2", 0, "mb:isa", pc_isa8_cards, nullptr, false); ISA8_SLOT(config, "isa3", 0, "mb:isa", pc_isa8_cards, nullptr, false); ISA8_SLOT(config, "isa4", 0, "mb:isa", pc_isa8_cards, nullptr, false); ISA8_SLOT(config, "isa5", 0, "mb:isa", pc_isa8_cards, nullptr, false); } void tandy1000_state::t1000tx(machine_config &config) { t1000tl(config); m_maincpu->set_addrmap(AS_IO, &tandy1000_state::tandy1000tx_io); config.device_remove("pc_keyboard"); tandy1000_90key(config); } #ifdef UNUSED_DEFINITION ROM_START( t1000 ) // Schematic shows 2 32KB ROMs at U9 and U10 for Tandy 1000; 1000A is a different mainboard. ROM_REGION(0x20000,"bios", 0) ROM_SYSTEM_BIOS( 0, "v010000", "v010000" ) ROMX_LOAD("v010000.f0", 0x10000, 0x10000, NO_DUMP, ROM_BIOS(0)) ROM_SYSTEM_BIOS( 1, "v010100", "v010100" ) ROMX_LOAD("v010100.f0", 0x10000, 0x10000, CRC(b6760881) SHA1(8275e4c48ac09cf36685db227434ca438aebe0b9), ROM_BIOS(1)) // Part of video array at u76? ROM_REGION(0x08000,"gfx1", 0) ROM_LOAD("8079027.u76", 0x00000, 0x04000, CRC(33d64a11) SHA1(b63da2a656b6c0a8a32f2be8bdcb51aed983a450)) // TODO: Verify location ROM_END ROM_START( t1000a ) ROM_REGION(0x20000,"bios", 0) // partlist says it has 1 128kbyte rom ROM_LOAD("t1000hx.e0", 0x00000, 0x10000, CRC(61dbf242) SHA1(555b58d8aa8e0b0839259621c44b832d993beaef)) // not sure about this one ROM_LOAD("v010100.f0", 0x10000, 0x10000, CRC(b6760881) SHA1(8275e4c48ac09cf36685db227434ca438aebe0b9)) ROM_REGION(0x08000,"gfx1", 0) ROM_LOAD("8079027.u25", 0x00000, 0x04000, CRC(33d64a11) SHA1(b63da2a656b6c0a8a32f2be8bdcb51aed983a450)) // TODO: Verify location ROM_END ROM_START( t1000ex ) ROM_REGION(0x20000,"bios", 0) // partlist says it has 1 128kb rom, schematics list a 32k x 8 rom // "8040328.u17" ROM_LOAD("t1000hx.e0", 0x00000, 0x10000, CRC(61dbf242) SHA1(555b58d8aa8e0b0839259621c44b832d993beaef)) // not sure about this one ROM_LOAD("v010200.f0", 0x10000, 0x10000, CRC(0e016ecf) SHA1(2f5ac8921b7cba56b02122ef772f5f11bbf6d8a2)) // TODO: Add dump of the 8048 at u8 if it ever gets dumped ROM_REGION(0x400, "kbdc", 0) ROM_LOAD("8048.u8", 0x000, 0x400, NO_DUMP) // Most likely part of big blue at u28 ROM_REGION(0x08000,"gfx1", 0) ROM_LOAD("8079027.u28", 0x00000, 0x04000, CRC(33d64a11) SHA1(b63da2a656b6c0a8a32f2be8bdcb51aed983a450)) // TODO: Verify location ROM_END // The T1000SL and T1000SL/2 only differ in amount of RAM installed and BIOS version (SL/2 has v01.04.04) ROM_START( t1000sl ) ROM_REGION(0x20000,"bios", 0) // 8076312.hu1 - most likely v01.04.00 // 8075312.hu2 // partlist says it has 1 128kbyte rom ROM_LOAD("t1000hx.e0", 0x00000, 0x10000, CRC(61dbf242) SHA1(555b58d8aa8e0b0839259621c44b832d993beaef)) // not sure about this one ROM_SYSTEM_BIOS( 0, "v010400", "v010400" ) ROMX_LOAD("v010400.f0", 0x10000, 0x10000, NO_DUMP, ROM_BIOS(0) ) ROM_SYSTEM_BIOS( 1, "v010401", "v010401" ) ROMX_LOAD("v010401.f0", 0x10000, 0x10000, NO_DUMP, ROM_BIOS(1) ) ROM_SYSTEM_BIOS( 2, "v010402", "v010402" ) ROMX_LOAD("v010402.f0", 0x10000, 0x10000, NO_DUMP, ROM_BIOS(2) ) ROM_SYSTEM_BIOS( 3, "v020001", "v020001" ) ROMX_LOAD("v020001.f0", 0x10000, 0x10000, NO_DUMP, ROM_BIOS(3) ) ROM_REGION(0x08000,"gfx1", 0) ROM_LOAD("8079027.u25", 0x00000, 0x04000, CRC(33d64a11) SHA1(b63da2a656b6c0a8a32f2be8bdcb51aed983a450)) ROM_END ROM_START( t1000tl ) ROM_REGIoN(0x10000, "bios", ROMREGION_ERASE00) ROM_REGION(0x80000, "romcs0", 0) // These 2 sets most likely have the same contents // v01.04.00 // 8076323.u55 - Sharp - 256KB // 8075323.u57 - Sharp - 256KB // v01.04.00 // 8079025.u54 - Hitachi - 256KB // 8079026.u56 - Hitachi - 256KB ROM_REGION(0x80000, "romcs1", 0) // 2x 128x8 eeprom?? @ u58 and u59 - not mentioned in parts list ROM_REGION(0x80, "eeprom", 0) ROM_LOAD("8040346_9346.u12", xxx ) // 64x16 eeprom ROM_REGION(0x08000, "gfx1", 0) ROM_LOAD("8079027.u24", 0x00000, 0x04000, CRC(33d64a11) SHA1(b63da2a656b6c0a8a32f2be8bdcb51aed983a450)) ROM_END #endif ROM_START( t1000hx ) ROM_REGION(0x20000,"bios", 0) ROM_LOAD("v020000.u12", 0x00000, 0x20000, CRC(6f3acd80) SHA1(976af8c04c3f6fde14d7047f6521d302bdc2d017)) // TODO: Rom label // TODO: Add dump of the 8048 at u9 if it ever gets dumped ROM_REGION(0x400, "kbdc", 0) ROM_LOAD("8048.u9", 0x000, 0x400, NO_DUMP) ROM_REGION(0x08000,"gfx1", 0) ROM_LOAD("8079027.u31", 0x00000, 0x04000, CRC(33d64a11) SHA1(b63da2a656b6c0a8a32f2be8bdcb51aed983a450)) // TODO: Verify location, probably internal to "big blue" at u31 ROM_END ROM_START( t1000sx ) ROM_REGION(0x20000,"bios", 0) ROM_LOAD("8040328.u41", 0x18000, 0x8000, CRC(4e2b9f0b) SHA1(e79a9ed9e885736e30d9b135557f0e596ce5a70b)) // No character rom is listed in the schematics? // But disabling it results in no text being printed // Part of bigblue at u30?? ROM_REGION(0x08000,"gfx1", 0) ROM_LOAD("8079027.u30", 0x00000, 0x04000, CRC(33d64a11) SHA1(b63da2a656b6c0a8a32f2be8bdcb51aed983a450)) // TODO: Verify location ROM_END ROM_START( t1000tx ) ROM_REGION16_LE(0x20000, "bios", 0) // There should be 2 32KBx8 ROMs, one for odd at u38, one for even at u39 // The machine already boots up with just this one rom ROM_LOAD("t1000tx.bin", 0x18000, 0x8000, BAD_DUMP CRC(9b34765c) SHA1(0b07e87f6843393f7d4ca4634b832b0c0bec304e)) // No character rom is listed in the schematics? // It is most likely part of the big blue chip at u36 ROM_REGION(0x08000,"gfx1", 0) ROM_LOAD("8079027.u36", 0x00000, 0x04000, CRC(33d64a11) SHA1(b63da2a656b6c0a8a32f2be8bdcb51aed983a450)) // TODO: Verify location ROM_END ROM_START( t1000rl ) // bankable ROM regions ROM_REGION16_LE(0x80000, "rom", 0) /* v2.0.0.1 */ /* Rom is labeled "(C) TANDY CORP. 1990 // 8079073 // LH534G70 JAPAN // 9034 D" */ ROM_LOAD("8079073.u23", 0x00000, 0x80000, CRC(6fab50f7) SHA1(2ccc02bee4c250dc1b7c17faef2590bc158860b0) ) ROM_REGION(0x08000,"gfx1", 0) /* Character rom located at U3 w/label "8079027 // NCR // 609-2495004 // F841030 A9025" */ ROM_LOAD("8079027.u3", 0x00000, 0x04000, CRC(33d64a11) SHA1(b63da2a656b6c0a8a32f2be8bdcb51aed983a450)) // TODO: Verify location ROM_END ROM_START( t1000sl2 ) // bankable ROM regions ROM_REGION16_LE(0x80000, "rom", 0) // v01.04.04 BIOS // Fix up memory region (highest address bit flipped??) ROM_LOAD16_BYTE("8079047.hu1", 0x40000, 0x20000, CRC(c773ec0e) SHA1(7deb71f14c2c418400b639d60066ab61b7e9df32)) ROM_CONTINUE(0x00000, 0x20000) ROM_LOAD16_BYTE("8079048.hu2", 0x40001, 0x20000, CRC(0f3e6586) SHA1(10f1a7204f69b82a18bc94a3010c9660aec0c802)) ROM_CONTINUE(0x00001, 0x20000) ROM_REGION(0x08000,"gfx1", 0) ROM_LOAD("8079027.u25", 0x00000, 0x04000, CRC(33d64a11) SHA1(b63da2a656b6c0a8a32f2be8bdcb51aed983a450)) ROM_REGION(0x80, "nmc9246n", 0) ROM_LOAD("seeprom.bin", 0, 0x80, CRC(4fff41df) SHA1(41a7009694550c017996932beade608cff968f4a)) ROM_END ROM_START( t1000tl2 ) ROM_REGION16_LE(0x20000, "bios", 0) ROM_LOAD( "t10000tl2.bin", 0x10000, 0x10000, CRC(e288f12c) SHA1(9d54ccf773cd7202c9906323f1b5a68b1b3a3a67)) ROM_REGION(0x08000,"gfx1", 0) ROM_LOAD("8079027.u24", 0x00000, 0x04000, CRC(33d64a11) SHA1(b63da2a656b6c0a8a32f2be8bdcb51aed983a450)) // TODO: Verify location ROM_END // tandy 1000 // YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS COMP( 1987, t1000hx, ibm5150, 0, t1000hx, t1000_90key, tandy1000_state, empty_init, "Tandy Radio Shack", "Tandy 1000 HX", 0 ) COMP( 1987, t1000sx, ibm5150, 0, t1000sx, t1000_90key, tandy1000_state, empty_init, "Tandy Radio Shack", "Tandy 1000 SX", 0 ) COMP( 1987, t1000tx, ibm5150, 0, t1000tx, t1000_90key, tandy1000_state, empty_init, "Tandy Radio Shack", "Tandy 1000 TX", 0 ) COMP( 1989, t1000rl, ibm5150, 0, t1000rl, t1000_101key, tandy1000_state, empty_init, "Tandy Radio Shack", "Tandy 1000 RL", 0 ) COMP( 1989, t1000tl2, ibm5150, 0, t1000tl, t1000_101key, tandy1000_state, empty_init, "Tandy Radio Shack", "Tandy 1000 TL/2", 0 ) COMP( 1988, t1000sl2, ibm5150, 0, t1000sl2, t1000_101key, tandy1000_state, empty_init, "Tandy Radio Shack", "Tandy 1000 SL/2", 0 )