trunk/src/mess/layout/tecnbras.lay
| r0 | r31122 | |
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trunk/src/mess/drivers/tecnbras.c
| r0 | r31122 | |
| 1 | // license:MAME|GPL-2.0+ |
| 2 | // copyright-holders: Felipe Sanches |
| 3 | /*************************************************************************** |
| 4 | |
| 5 | TECNBRAS dot matrix display (70x7 pixels) |
| 6 | Driver by Felipe Correa da Silva Sanches <juca@members.fsf.org> |
| 7 | |
| 8 | The display is composed of 14 blocks of 5x7 LEDs |
| 9 | |
| 10 | These LEDs are driven by several 74xx chips: |
| 11 | * one 74138 |
| 12 | * several 74164 and ULN2003 chips |
| 13 | |
| 14 | Changelog: |
| 15 | |
| 16 | 2014 JUN 23 [Felipe Sanches]: |
| 17 | * Initial driver skeleton |
| 18 | |
| 19 | ================ |
| 20 | */ |
| 21 | |
| 22 | #include "emu.h" |
| 23 | #include "cpu/mcs51/mcs51.h" |
| 24 | #include "tecnbras.lh" |
| 25 | |
| 26 | class tecnbras_state : public driver_device |
| 27 | { |
| 28 | public: |
| 29 | tecnbras_state(const machine_config &mconfig, device_type type, const char *tag) |
| 30 | : driver_device(mconfig, type, tag) |
| 31 | , m_maincpu(*this, "maincpu") |
| 32 | { } |
| 33 | |
| 34 | DECLARE_WRITE8_MEMBER(set_x_position_w); |
| 35 | DECLARE_WRITE8_MEMBER(print_column_w); |
| 36 | |
| 37 | // DECLARE_WRITE8_MEMBER(tecnbras_io_w); |
| 38 | // DECLARE_READ8_MEMBER(tecnbras_io_r); |
| 39 | DECLARE_DRIVER_INIT(tecnbras); |
| 40 | private: |
| 41 | int m_xcoord; |
| 42 | char m_digit[14][7]; |
| 43 | virtual void machine_start(); |
| 44 | virtual void machine_reset(); |
| 45 | required_device<cpu_device> m_maincpu; |
| 46 | }; |
| 47 | |
| 48 | static ADDRESS_MAP_START(i80c31_prg, AS_PROGRAM, 8, tecnbras_state) |
| 49 | AM_RANGE(0x0000, 0x7FFF) AM_ROM |
| 50 | AM_RANGE(0x8000, 0xFFFF) AM_RAM |
| 51 | ADDRESS_MAP_END |
| 52 | |
| 53 | static ADDRESS_MAP_START(i80c31_io, AS_IO, 8, tecnbras_state) |
| 54 | AM_RANGE(0x0100, 0x0145) AM_WRITE(set_x_position_w) |
| 55 | AM_RANGE(0x06B8, 0x06BC) AM_WRITE(print_column_w) |
| 56 | AM_RANGE(MCS51_PORT_P1, MCS51_PORT_P1) AM_NOP /*buzzer ?*/ |
| 57 | ADDRESS_MAP_END |
| 58 | |
| 59 | DRIVER_INIT_MEMBER( tecnbras_state, tecnbras ) |
| 60 | { |
| 61 | m_xcoord = 0; |
| 62 | for (int x=0; x<14; x++){ |
| 63 | for (int y=0; y<7; y++){ |
| 64 | m_digit[x][y] = 0; |
| 65 | } |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | WRITE8_MEMBER(tecnbras_state::set_x_position_w) |
| 70 | { |
| 71 | m_xcoord = offset; |
| 72 | } |
| 73 | |
| 74 | WRITE8_MEMBER(tecnbras_state::print_column_w) |
| 75 | { |
| 76 | int x = m_xcoord + offset; |
| 77 | for (int i=0; i<7; i++){ |
| 78 | m_digit[x/5][i] &= ~(1 << (x%5)); |
| 79 | m_digit[x/5][i] |= BIT(data, 7-i) ? (1 << (x%5)) : 0; |
| 80 | output_set_indexed_value("dmd_", (x/5)*7 + i, 0x1F & m_digit[x/5][i]); |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | void tecnbras_state::machine_start() |
| 85 | { |
| 86 | /* |
| 87 | for (int x=0; x<14; x++){ |
| 88 | for (int y=0; y<7; y++){ |
| 89 | output_set_indexed_value("dmd_", x*7 + y, y); |
| 90 | } |
| 91 | } |
| 92 | */ |
| 93 | } |
| 94 | |
| 95 | void tecnbras_state::machine_reset() |
| 96 | { |
| 97 | } |
| 98 | |
| 99 | static MACHINE_CONFIG_START( tecnbras, tecnbras_state ) |
| 100 | /* basic machine hardware */ |
| 101 | MCFG_CPU_ADD("maincpu", I80C31, XTAL_12MHz) /* verified on pcb */ |
| 102 | MCFG_CPU_PROGRAM_MAP(i80c31_prg) |
| 103 | MCFG_CPU_IO_MAP(i80c31_io) |
| 104 | |
| 105 | /* TODO: Add an I2C RTC (Phillips PCF8583P) |
| 106 | pin 6 (SCL): cpu T0/P3.4 (pin 14) |
| 107 | pin 5 (SDA): cpu T1/P3.5 (pin 15) |
| 108 | */ |
| 109 | |
| 110 | /* |
| 111 | TODO: Add a speaker |
| 112 | CPU P1.0 (pin 1) |
| 113 | */ |
| 114 | |
| 115 | /* |
| 116 | TODO: Add a communications port to receive commands from the remote control |
| 117 | */ |
| 118 | |
| 119 | /* video hardware */ |
| 120 | MCFG_DEFAULT_LAYOUT(layout_tecnbras) |
| 121 | |
| 122 | MACHINE_CONFIG_END |
| 123 | |
| 124 | ROM_START( tecnbras ) |
| 125 | ROM_REGION( 0x8000, "maincpu", 0 ) |
| 126 | ROM_LOAD( "tecnbras.u2", 0x0000, 0x8000, CRC(1a1e18fc) SHA1(8907e72f0356a2e2e1097dabac6d6b0b3d717f85) ) |
| 127 | ROM_END |
| 128 | |
| 129 | /* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ |
| 130 | COMP( 200?, tecnbras, 0, 0, tecnbras, 0, tecnbras_state, tecnbras, "Tecnbras", "Dot Matrix Display (70x7 pixels)", GAME_IMPERFECT_GRAPHICS | GAME_NO_SOUND) |