trunk/src/mame/drivers/alinvade.c
| r0 | r241864 | |
|---|
| 1 | /* |
| 2 | |
| 3 | tiny bartop b&w Space Invaders type game with colour overlay |
| 4 | |
| 5 | does it use any off-the shelf chips in addition to the 6502? |
| 6 | |
| 7 | |
| 8 | */ |
| 9 | |
| 10 | #include "emu.h" |
| 11 | #include "cpu/m6502/m6502.h" |
| 12 | |
| 13 | class alinvade_state : public driver_device |
| 14 | { |
| 15 | public: |
| 16 | alinvade_state(const machine_config &mconfig, device_type type, const char *tag) |
| 17 | : driver_device(mconfig, type, tag) |
| 18 | { } |
| 19 | |
| 20 | |
| 21 | public: |
| 22 | virtual void machine_start(); |
| 23 | virtual void machine_reset(); |
| 24 | UINT32 screen_update_alinvade(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); |
| 25 | }; |
| 26 | |
| 27 | |
| 28 | |
| 29 | static ADDRESS_MAP_START( alinvade_map, AS_PROGRAM, 8, alinvade_state ) |
| 30 | AM_RANGE(0x0000, 0x0fff) AM_RAM |
| 31 | AM_RANGE(0xe000, 0xe3ff) AM_ROM |
| 32 | AM_RANGE(0xe800, 0xebff) AM_RAM |
| 33 | AM_RANGE(0xec00, 0xffff) AM_ROM |
| 34 | |
| 35 | |
| 36 | ADDRESS_MAP_END |
| 37 | |
| 38 | |
| 39 | static INPUT_PORTS_START( alinvade ) |
| 40 | INPUT_PORTS_END |
| 41 | |
| 42 | |
| 43 | |
| 44 | void alinvade_state::machine_start() |
| 45 | { |
| 46 | } |
| 47 | |
| 48 | void alinvade_state::machine_reset() |
| 49 | { |
| 50 | } |
| 51 | |
| 52 | UINT32 alinvade_state::screen_update_alinvade(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) |
| 53 | { |
| 54 | return 0; |
| 55 | } |
| 56 | |
| 57 | |
| 58 | static MACHINE_CONFIG_START( alinvade, alinvade_state ) |
| 59 | |
| 60 | /* basic machine hardware */ |
| 61 | MCFG_CPU_ADD("maincpu", M6502,2000000) /* ? MHz */ |
| 62 | MCFG_CPU_PROGRAM_MAP(alinvade_map) |
| 63 | MCFG_CPU_VBLANK_INT_DRIVER("screen", alinvade_state, irq0_line_hold) |
| 64 | |
| 65 | /* video hardware */ |
| 66 | MCFG_SCREEN_ADD("screen", RASTER) |
| 67 | MCFG_SCREEN_REFRESH_RATE(60) |
| 68 | MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) |
| 69 | MCFG_SCREEN_SIZE(256, 256) |
| 70 | MCFG_SCREEN_VISIBLE_AREA(0, 256-1, 16, 256-16-1) |
| 71 | MCFG_SCREEN_UPDATE_DRIVER(alinvade_state, screen_update_alinvade) |
| 72 | |
| 73 | /* sound hardware */ |
| 74 | MCFG_SPEAKER_STANDARD_MONO("mono") |
| 75 | MACHINE_CONFIG_END |
| 76 | |
| 77 | |
| 78 | |
| 79 | ROM_START( alinvade ) |
| 80 | ROM_REGION( 0x10000, "maincpu", 0 ) |
| 81 | ROM_LOAD( "alien28.708", 0xe000, 0x0400, CRC(de376295) SHA1(e8eddbb1be1f8661c6b5b39c0d78a65bded65db2) ) |
| 82 | ROM_LOAD( "alien29.708", 0xec00, 0x0400, CRC(20212977) SHA1(9d24a6b403d968267079fa6241545bd5a01afebb) ) |
| 83 | ROM_LOAD( "alien30.708", 0xf000, 0x0400, CRC(734b691c) SHA1(9e562159061eecf4b1dee4ea0ee4752c901a54aa) ) |
| 84 | ROM_LOAD( "alien31.708", 0xf400, 0x0400, CRC(5a70535c) SHA1(2827e7d4bffca78bd035da04481e1e972ee2da39) ) |
| 85 | ROM_LOAD( "alien32.708", 0xf800, 0x0400, CRC(332dd234) SHA1(9974668344a2a351868a9e7757d1c3a497dc5621) ) |
| 86 | ROM_LOAD( "alien33.708", 0xfc00, 0x0400, CRC(e0d57fc7) SHA1(7b8ddcb4a86811592d2d0bbc61b2f19e5caa9ccc) ) |
| 87 | ROM_END |
| 88 | |
| 89 | |
| 90 | GAME( 198?, alinvade, 0, alinvade, alinvade, driver_device, 0, ROT0, "Forbes?", "Alien Invaders", GAME_NOT_WORKING ) |