trunk/src/mess/drivers/tispeak.c
| r0 | r242433 | |
|---|
| 1 | // license:BSD-3-Clause |
| 2 | // copyright-holders:hap |
| 3 | /*************************************************************************** |
| 4 | |
| 5 | Texas Instruments Speak & Spell hardware |
| 6 | |
| 7 | ***************************************************************************/ |
| 8 | |
| 9 | #include "emu.h" |
| 10 | #include "cpu/tms0980/tms0980.h" |
| 11 | |
| 12 | #include "tispeak.lh" |
| 13 | |
| 14 | // master clock is unknown |
| 15 | #define MASTER_CLOCK (500000) |
| 16 | |
| 17 | |
| 18 | class tispeak_state : public driver_device |
| 19 | { |
| 20 | public: |
| 21 | tispeak_state(const machine_config &mconfig, device_type type, const char *tag) |
| 22 | : driver_device(mconfig, type, tag), |
| 23 | m_maincpu(*this, "maincpu") |
| 24 | { } |
| 25 | |
| 26 | required_device<tms0270_cpu_device> m_maincpu; |
| 27 | |
| 28 | UINT16 m_r; |
| 29 | UINT16 m_o; |
| 30 | |
| 31 | DECLARE_READ8_MEMBER(read_k); |
| 32 | DECLARE_WRITE16_MEMBER(write_o); |
| 33 | DECLARE_WRITE16_MEMBER(write_r); |
| 34 | |
| 35 | virtual void machine_start(); |
| 36 | }; |
| 37 | |
| 38 | |
| 39 | |
| 40 | /*************************************************************************** |
| 41 | |
| 42 | I/O |
| 43 | |
| 44 | ***************************************************************************/ |
| 45 | |
| 46 | READ8_MEMBER(tispeak_state::read_k) |
| 47 | { |
| 48 | return 0; |
| 49 | } |
| 50 | |
| 51 | WRITE16_MEMBER(tispeak_state::write_r) |
| 52 | { |
| 53 | m_r = data; |
| 54 | } |
| 55 | |
| 56 | WRITE16_MEMBER(tispeak_state::write_o) |
| 57 | { |
| 58 | m_o = data; |
| 59 | } |
| 60 | |
| 61 | |
| 62 | |
| 63 | /*************************************************************************** |
| 64 | |
| 65 | Inputs |
| 66 | |
| 67 | ***************************************************************************/ |
| 68 | |
| 69 | static INPUT_PORTS_START( tispeak ) |
| 70 | INPUT_PORTS_END |
| 71 | |
| 72 | |
| 73 | |
| 74 | /*************************************************************************** |
| 75 | |
| 76 | Machine Config |
| 77 | |
| 78 | ***************************************************************************/ |
| 79 | |
| 80 | void tispeak_state::machine_start() |
| 81 | { |
| 82 | m_r = 0; |
| 83 | m_o = 0; |
| 84 | |
| 85 | save_item(NAME(m_r)); |
| 86 | save_item(NAME(m_o)); |
| 87 | } |
| 88 | |
| 89 | |
| 90 | static MACHINE_CONFIG_START( tispeak, tispeak_state ) |
| 91 | |
| 92 | /* basic machine hardware */ |
| 93 | MCFG_CPU_ADD("maincpu", TMS0270, MASTER_CLOCK) |
| 94 | MCFG_TMS1XXX_READ_K_CB(READ8(tispeak_state, read_k)) |
| 95 | MCFG_TMS1XXX_WRITE_O_CB(WRITE16(tispeak_state, write_o)) |
| 96 | MCFG_TMS1XXX_WRITE_R_CB(WRITE16(tispeak_state, write_r)) |
| 97 | |
| 98 | MCFG_DEFAULT_LAYOUT(layout_tispeak) |
| 99 | |
| 100 | /* no video! */ |
| 101 | |
| 102 | /* sound hardware */ |
| 103 | // MCFG_SPEAKER_STANDARD_MONO("mono") |
| 104 | MACHINE_CONFIG_END |
| 105 | |
| 106 | |
| 107 | |
| 108 | /*************************************************************************** |
| 109 | |
| 110 | Game driver(s) |
| 111 | |
| 112 | ***************************************************************************/ |
| 113 | |
| 114 | ROM_START( snmath ) |
| 115 | ROM_REGION( 0x1000, "maincpu", 0 ) |
| 116 | ROM_LOAD( "us4946391_t2074", 0x0000, 0x1000, CRC(011f0c2d) SHA1(d2e14d72e03ca864abd51da78ffb71a9da82f624) ) // from patent 4946391, verified with source code |
| 117 | |
| 118 | ROM_REGION( 1246, "maincpu:ipla", 0 ) |
| 119 | ROM_LOAD( "tms0980_default_ipla.pla", 0, 1246, CRC(42db9a38) SHA1(2d127d98028ec8ec6ea10c179c25e447b14ba4d0) ) |
| 120 | ROM_REGION( 2127, "maincpu:mpla", 0 ) |
| 121 | ROM_LOAD( "tmc0270_cd2708_mpla.pla", 0, 2127, BAD_DUMP CRC(94333005) SHA1(1583444c73637d859632dd5186cd7e1a2588c78a) ) // taken from cd2708, need to verify if it's same as cd2704 |
| 122 | ROM_REGION( 1246, "maincpu:opla", 0 ) |
| 123 | ROM_LOAD( "tmc0270_cd2708_opla.pla", 0, 1246, BAD_DUMP CRC(e70836e2) SHA1(70e7dcdf81ae2052874fb21c504fcc06b2649f9a) ) // " |
| 124 | ROM_END |
| 125 | |
| 126 | |
| 127 | COMP( 1980, snmath, 0, 0, tispeak, tispeak, driver_device, 0, "Texas Instruments", "Speak & Math (US, prototype)", GAME_NO_SOUND | GAME_NOT_WORKING ) |