src/mess/drivers/cm1800.c
| r0 | r11331 | |
|---|
| 1 | /*************************************************************************** |
| 2 | |
| 3 | CM-1800 |
| 4 | (note name is in cyrilic letters) |
| 5 | |
| 6 | more info at http://ru.wikipedia.org/wiki/%D0%A1%D0%9C_%D0%AD%D0%92%D0%9C |
| 7 | and http://sapr.lti-gti.ru/index.php?id=66 |
| 8 | |
| 9 | 26/04/2011 Skeleton driver. |
| 10 | |
| 11 | ****************************************************************************/ |
| 12 | |
| 13 | #define ADDRESS_MAP_MODERN |
| 14 | |
| 15 | #include "emu.h" |
| 16 | #include "cpu/i8085/i8085.h" |
| 17 | #include "machine/terminal.h" |
| 18 | |
| 19 | class cm1800_state : public driver_device |
| 20 | { |
| 21 | public: |
| 22 | cm1800_state(running_machine &machine, const driver_device_config_base &config) |
| 23 | : driver_device(machine, config) { } |
| 24 | |
| 25 | DECLARE_READ8_MEMBER( term_ready_r ); |
| 26 | DECLARE_READ8_MEMBER( term_r ); |
| 27 | DECLARE_WRITE8_MEMBER( term_ready_w ); |
| 28 | DECLARE_WRITE8_MEMBER( kbd_put ); |
| 29 | |
| 30 | UINT8 m_key_ready; |
| 31 | UINT8 m_term_data; |
| 32 | }; |
| 33 | |
| 34 | READ8_MEMBER( cm1800_state::term_ready_r ) |
| 35 | { |
| 36 | return 0x04 | m_key_ready; // always ready to write |
| 37 | } |
| 38 | |
| 39 | WRITE8_MEMBER( cm1800_state::term_ready_w ) |
| 40 | { |
| 41 | m_key_ready = 0; |
| 42 | m_term_data = 0; |
| 43 | } |
| 44 | |
| 45 | READ8_MEMBER( cm1800_state::term_r ) |
| 46 | { |
| 47 | m_key_ready = 0; |
| 48 | return m_term_data; |
| 49 | } |
| 50 | |
| 51 | WRITE8_MEMBER( cm1800_state::kbd_put ) |
| 52 | { |
| 53 | m_key_ready = 1; |
| 54 | m_term_data = data; |
| 55 | } |
| 56 | |
| 57 | static ADDRESS_MAP_START(cm1800_mem, AS_PROGRAM, 8, cm1800_state) |
| 58 | ADDRESS_MAP_UNMAP_HIGH |
| 59 | AM_RANGE( 0x0000, 0x07ff ) AM_ROM |
| 60 | AM_RANGE( 0x0800, 0xffff ) AM_RAM |
| 61 | ADDRESS_MAP_END |
| 62 | |
| 63 | static ADDRESS_MAP_START( cm1800_io , AS_IO, 8, cm1800_state) |
| 64 | ADDRESS_MAP_UNMAP_HIGH |
| 65 | AM_RANGE(0x00, 0x00) AM_READ(term_r) AM_DEVWRITE_LEGACY(TERMINAL_TAG, terminal_write) |
| 66 | AM_RANGE(0x01, 0x01) AM_READ(term_ready_r) |
| 67 | ADDRESS_MAP_END |
| 68 | |
| 69 | /* Input ports */ |
| 70 | INPUT_PORTS_START( cm1800 ) |
| 71 | INPUT_PORTS_END |
| 72 | |
| 73 | |
| 74 | static MACHINE_RESET(cm1800) |
| 75 | { |
| 76 | } |
| 77 | |
| 78 | static GENERIC_TERMINAL_INTERFACE( cm1800_terminal_intf ) |
| 79 | { |
| 80 | DEVCB_DRIVER_MEMBER(cm1800_state, kbd_put) |
| 81 | }; |
| 82 | |
| 83 | static MACHINE_CONFIG_START( cm1800, cm1800_state ) |
| 84 | /* basic machine hardware */ |
| 85 | MCFG_CPU_ADD("maincpu",I8080, XTAL_2MHz) |
| 86 | MCFG_CPU_PROGRAM_MAP(cm1800_mem) |
| 87 | MCFG_CPU_IO_MAP(cm1800_io) |
| 88 | |
| 89 | MCFG_MACHINE_RESET(cm1800) |
| 90 | |
| 91 | /* video hardware */ |
| 92 | MCFG_FRAGMENT_ADD( generic_terminal ) |
| 93 | MCFG_GENERIC_TERMINAL_ADD(TERMINAL_TAG,cm1800_terminal_intf) |
| 94 | MACHINE_CONFIG_END |
| 95 | |
| 96 | /* ROM definition */ |
| 97 | ROM_START( cm1800 ) |
| 98 | ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) |
| 99 | ROM_LOAD( "cm1800.rom", 0x0000, 0x0800, CRC(85d71d25) SHA1(42dc87d2eddc2906fa26d35db88a2e29d50fb481)) |
| 100 | ROM_END |
| 101 | |
| 102 | /* Driver */ |
| 103 | |
| 104 | /* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ |
| 105 | COMP( 1981, cm1800, 0, 0, cm1800, cm1800, 0, "<unknown>", "CM-1800", GAME_NOT_WORKING | GAME_NO_SOUND) |
| 106 | |