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Diffstat (limited to 'src/mame/drivers/h89.cpp')
-rw-r--r-- | src/mame/drivers/h89.cpp | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/src/mame/drivers/h89.cpp b/src/mame/drivers/h89.cpp deleted file mode 100644 index f82be5e850c..00000000000 --- a/src/mame/drivers/h89.cpp +++ /dev/null @@ -1,219 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Sandro Ronco, Mark Garlanger -/*************************************************************************** - - Heathkit H89 - - 12/05/2009 Skeleton driver. - - Monitor Commands: - B Boot - C Convert (number) - G Go (address) - I In (address) - O Out (address,data) - R Radix (H/O) - S Substitute (address) - T Test Memory - V View - -****************************************************************************/ - -#include "emu.h" -#include "bus/rs232/rs232.h" -#include "cpu/z80/z80.h" -#include "machine/ins8250.h" -#include "machine/timer.h" - -#define RS232_TAG "rs232" - -class h89_state : public driver_device -{ -public: - h89_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag) - , m_maincpu(*this, "maincpu") - { - } - - void h89(machine_config &config); - -private: - required_device<cpu_device> m_maincpu; - - DECLARE_WRITE8_MEMBER( port_f2_w ); - - uint8_t m_port_f2; - virtual void machine_reset() override; - TIMER_DEVICE_CALLBACK_MEMBER(h89_irq_timer); - void h89_io(address_map &map); - void h89_mem(address_map &map); -}; - - -void h89_state::h89_mem(address_map &map) -{ - map.unmap_value_high(); - // Bank 0 - At startup has the format defined below, but software could swap it for RAM (Later H-89s and - // Early ones with the Org-0 modification), - // TODO - define the RAM so it can swap in/out under program control. - map(0x0000, 0x0fff).rom(); // Page 0-4 - System ROM (at most 4k(MTR-90), early versions(MTR-88, MTR-89) only had 2k) - map(0x1000, 0x13ff).ram(); // Page 5 - Floppy Disk RAM (Write-protectable) - map(0x1400, 0x1fff).rom(); // Page 6-7 - Floppy Disk ROM - - // Banks 1-7 - map(0x2000, 0xffff).ram(); -} - -void h89_state::h89_io(address_map &map) -{ - map.unmap_value_high(); - map.global_mask(0xff); -// map(0x78, 0x7b) expansion 1 // Options - Cassette I/O (only uses 0x78 - 0x79) Requires MTR-88 ROM - // - H37 5-1/4" Soft-sectored Controller MTR-90 ROM - // - H47 Dual 8" Drives - Requires MTR-89 or MTR-90 ROM - // - H67 8" Hard disk + 8" Floppy Drives - MTR-90 ROM -// map(0x7c, 0x7f) expansion 2 // Options - 5-1/4" Hard-sectored Controller (works with ALL ROMs) - // - H47 Dual 8" Drives - Requires MTR-89 or MTR-90 ROM - // - H67 8" Hard disk + 8" Floppy Drives - MTR-90 ROM - -// map(0xd0, 0xd7) 8250 UART DCE -// map(0xd8, 0xdf) 8250 UART DTE - MODEM -// map(0xe0, 0xe7) 8250 UART DCE - LP - map(0xe8, 0xef).rw("ins8250", FUNC(ins8250_device::ins8250_r), FUNC(ins8250_device::ins8250_w)); // 8250 UART console - this - // connects internally to a Terminal board - // that is also used in the H19. Ideally, - // the H19 code could be connected and ran - // as a separate thread. -// map(0xf0, 0xf1) // ports defined on the H8 - on the H89, access to these addresses causes a NMI - map(0xf2, 0xf2).w(FUNC(h89_state::port_f2_w)).portr("SW501"); -// map(0xf3, 0xf3) // ports defined on the H8 - on the H89, access to these addresses causes a NMI -} - -/* Input ports */ -static INPUT_PORTS_START( h89 ) - - // Settings with the MTR-88 ROM (#444-40) -// PORT_START("SW501") -// PORT_DIPNAME( 0x1f, 0x00, "Unused" ) PORT_DIPLOCATION("S1:1,S1:2,S1:3,S1:4,S1:5") -// PORT_DIPNAME( 0x20, 0x20, "Perform memory test at start" ) PORT_DIPLOCATION("S1:6") -// PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) -// PORT_DIPSETTING( 0x00, DEF_STR( On ) ) -// PORT_DIPNAME( 0xc0, 0x00, "Console Baud rate" ) PORT_DIPLOCATION("S1:7") -// PORT_DIPSETTING( 0x00, "9600" ) -// PORT_DIPSETTING( 0x40, "19200" ) -// PORT_DIPSETTING( 0x80, "38400" ) -// PORT_DIPSETTING( 0xc0, "57600" ) - - // Settings with the MTR-89 ROM (#444-62) -// PORT_START("SW501") -// PORT_DIPNAME( 0x03, 0x00, "Expansion 1" ) PORT_DIPLOCATION("S1:1,S1:2") -// PORT_DIPSETTING( 0x00, "H-88-1" ) -// PORT_DIPSETTING( 0x01, "H/Z-47" ) -// PORT_DIPSETTING( 0x02, "Undefined" ) -// PORT_DIPSETTING( 0x03, "Undefined" ) -// PORT_DIPNAME( 0x0c, 0x00, "Expansion 2" ) PORT_DIPLOCATION("S1:3,S1:4") -// PORT_DIPSETTING( 0x00, "Unused" ) -// PORT_DIPSETTING( 0x04, "H/Z-47" ) -// PORT_DIPSETTING( 0x08, "Undefined" ) -// PORT_DIPSETTING( 0x0c, "Undefined" ) -// PORT_DIPNAME( 0x10, 0x00, "Boot from" ) PORT_DIPLOCATION("S1:5") -// PORT_DIPSETTING( 0x00, "Expansion 1" ) -// PORT_DIPSETTING( 0x10, "Expansion 2" ) -// PORT_DIPNAME( 0x20, 0x20, "Perform memory test at start" ) PORT_DIPLOCATION("S1:6") -// PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) -// PORT_DIPSETTING( 0x00, DEF_STR( On ) ) -// PORT_DIPNAME( 0x40, 0x00, "Console Baud rate" ) PORT_DIPLOCATION("S1:7") -// PORT_DIPSETTING( 0x00, "9600" ) -// PORT_DIPSETTING( 0x40, "19200" ) -// PORT_DIPNAME( 0x80, 0x00, "Boot mode" ) PORT_DIPLOCATION("S1:8") -// PORT_DIPSETTING( 0x00, DEF_STR( Normal ) ) -// PORT_DIPSETTING( 0x80, "Auto" ) - - // Settings with the MTR-90 ROM (#444-84 or 444-142) - PORT_START("SW501") - PORT_DIPNAME( 0x03, 0x00, "Expansion 1" ) PORT_DIPLOCATION("S1:1,S1:2") - PORT_DIPSETTING( 0x00, "H-88-1" ) - PORT_DIPSETTING( 0x01, "H/Z-47" ) - PORT_DIPSETTING( 0x02, "Z-67" ) - PORT_DIPSETTING( 0x03, "Undefined" ) - PORT_DIPNAME( 0x0c, 0x00, "Expansion 2" ) PORT_DIPLOCATION("S1:3,S1:4") - PORT_DIPSETTING( 0x00, "H-89-37" ) - PORT_DIPSETTING( 0x04, "H/Z-47" ) - PORT_DIPSETTING( 0x08, "Z-67" ) - PORT_DIPSETTING( 0x0c, "Undefined" ) - PORT_DIPNAME( 0x10, 0x00, "Boot from" ) PORT_DIPLOCATION("S1:5") - PORT_DIPSETTING( 0x00, "Expansion 1" ) - PORT_DIPSETTING( 0x10, "Expansion 2" ) - PORT_DIPNAME( 0x20, 0x20, "Perform memory test at start" ) PORT_DIPLOCATION("S1:6") - PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) - PORT_DIPSETTING( 0x00, DEF_STR( On ) ) - PORT_DIPNAME( 0x40, 0x00, "Console Baud rate" ) PORT_DIPLOCATION("S1:7") - PORT_DIPSETTING( 0x00, "9600" ) - PORT_DIPSETTING( 0x40, "19200" ) - PORT_DIPNAME( 0x80, 0x00, "Boot mode" ) PORT_DIPLOCATION("S1:8") - PORT_DIPSETTING( 0x00, DEF_STR( Normal ) ) - PORT_DIPSETTING( 0x80, "Auto" ) -INPUT_PORTS_END - - -void h89_state::machine_reset() -{ -} - -TIMER_DEVICE_CALLBACK_MEMBER(h89_state::h89_irq_timer) -{ - if (m_port_f2 & 0x02) - m_maincpu->set_input_line_and_vector(0, HOLD_LINE, 0xcf); // Z80 -} - -WRITE8_MEMBER( h89_state::port_f2_w ) -{ - // Bit 0 - Single-step - // Bit 1 - Enable timer interrupt (2mSec Clock) - m_port_f2 = data; -} - -static DEVICE_INPUT_DEFAULTS_START( terminal ) - // TODO - baud rate should be controlled by SW501 setting - DEVICE_INPUT_DEFAULTS( "RS232_TXBAUD", 0xff, RS232_BAUD_9600 ) - DEVICE_INPUT_DEFAULTS( "RS232_RXBAUD", 0xff, RS232_BAUD_9600 ) - DEVICE_INPUT_DEFAULTS( "RS232_STARTBITS", 0xff, RS232_STARTBITS_1 ) - DEVICE_INPUT_DEFAULTS( "RS232_DATABITS", 0xff, RS232_DATABITS_8 ) - DEVICE_INPUT_DEFAULTS( "RS232_PARITY", 0xff, RS232_PARITY_NONE ) - DEVICE_INPUT_DEFAULTS( "RS232_STOPBITS", 0xff, RS232_STOPBITS_1 ) -DEVICE_INPUT_DEFAULTS_END - - -void h89_state::h89(machine_config & config) -{ - /* basic machine hardware */ - Z80(config, m_maincpu, XTAL(12'288'000) / 6); - m_maincpu->set_addrmap(AS_PROGRAM, &h89_state::h89_mem); - m_maincpu->set_addrmap(AS_IO, &h89_state::h89_io); - - ins8250_device &uart(INS8250(config, "ins8250", XTAL(1'843'200))); - uart.out_tx_callback().set(RS232_TAG, FUNC(rs232_port_device::write_txd)); - - rs232_port_device &rs232(RS232_PORT(config, RS232_TAG, default_rs232_devices, "terminal")); - rs232.rxd_handler().set("ins8250", FUNC(ins8250_uart_device::rx_w)); - rs232.set_option_device_input_defaults("terminal", DEVICE_INPUT_DEFAULTS_NAME(terminal)); - - TIMER(config, "irq_timer", 0).configure_periodic(FUNC(h89_state::h89_irq_timer), attotime::from_hz(100)); -} - -/* ROM definition */ -ROM_START( h89 ) - ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) - ROM_LOAD( "2732_444-142_mtr90.rom", 0x0000, 0x1000, CRC(c4ff47c5) SHA1(d6f3d71ff270a663003ec18a3ed1fa49f627123a)) - ROM_LOAD( "2716_444-19_h17.rom", 0x1800, 0x0800, CRC(26e80ae3) SHA1(0c0ee95d7cb1a760f924769e10c0db1678f2435c)) - - ROM_REGION( 0x10000, "otherroms", ROMREGION_ERASEFF ) - ROM_LOAD( "2732_444-84_mtr84.rom", 0x0000, 0x1000, CRC(c98e5f4c) SHA1(03347206dca145ff69ca08435db822b70ce106af)) - ROM_LOAD( "2732_mms84a_magnoliamms.bin", 0x0000, 0x1000, CRC(5563f42a) SHA1(1b74cafca8213d5c083f16d8a848933ab56eb43b)) -ROM_END - -/* Driver */ - -/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ -COMP( 1979, h89, 0, 0, h89, h89, h89_state, empty_init, "Heath Inc", "Heathkit H89", MACHINE_NOT_WORKING | MACHINE_NO_SOUND) |