trunk/src/mess/drivers/segapm.c
| r0 | r248600 | |
|---|
| 1 | /* Sega Picture Magic (codename JANUS) */ |
| 2 | // http://segaretro.org/Sega_Picture_Magic |
| 3 | |
| 4 | // this uses a Sega 32X PCB (not in a 32X case) attached to a stripped down 68k based board rather than a full Genesis / Megadrive |
| 5 | // it is likely the internal SH2 bios roms differ |
| 6 | |
| 7 | |
| 8 | #include "emu.h" |
| 9 | #include "cpu/m68000/m68000.h" |
| 10 | |
| 11 | |
| 12 | class segapm_state : public driver_device |
| 13 | { |
| 14 | public: |
| 15 | segapm_state(const machine_config &mconfig, device_type type, const char *tag) |
| 16 | : driver_device(mconfig, type, tag), |
| 17 | m_maincpu(*this, "maincpu") |
| 18 | { } |
| 19 | |
| 20 | virtual void video_start(); |
| 21 | UINT32 screen_update_segapm(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); |
| 22 | required_device<cpu_device> m_maincpu; |
| 23 | }; |
| 24 | |
| 25 | |
| 26 | void segapm_state::video_start() |
| 27 | { |
| 28 | } |
| 29 | |
| 30 | UINT32 segapm_state::screen_update_segapm(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) |
| 31 | { |
| 32 | return 0; |
| 33 | } |
| 34 | |
| 35 | |
| 36 | |
| 37 | static ADDRESS_MAP_START( segapm_map, AS_PROGRAM, 16, segapm_state ) |
| 38 | AM_RANGE(0x000000, 0x07ffff) AM_ROM |
| 39 | |
| 40 | // A15100 |
| 41 | |
| 42 | AM_RANGE(0xe00000, 0xe7ffff) AM_RAM |
| 43 | |
| 44 | ADDRESS_MAP_END |
| 45 | |
| 46 | static INPUT_PORTS_START( segapm ) |
| 47 | INPUT_PORTS_END |
| 48 | |
| 49 | |
| 50 | |
| 51 | |
| 52 | static MACHINE_CONFIG_START( segapm, segapm_state ) |
| 53 | |
| 54 | MCFG_CPU_ADD("maincpu", M68000, 8000000) // ?? |
| 55 | MCFG_CPU_PROGRAM_MAP(segapm_map) |
| 56 | |
| 57 | // + 2 sh2s on 32x board |
| 58 | |
| 59 | MCFG_SCREEN_ADD("screen", RASTER) |
| 60 | MCFG_SCREEN_REFRESH_RATE(60) |
| 61 | MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) |
| 62 | MCFG_SCREEN_SIZE(32*8, 32*8) |
| 63 | MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1) |
| 64 | MCFG_SCREEN_UPDATE_DRIVER(segapm_state, screen_update_segapm) |
| 65 | MCFG_SCREEN_PALETTE("palette") |
| 66 | |
| 67 | MCFG_PALETTE_ADD("palette", 0x200) |
| 68 | MCFG_PALETTE_FORMAT(xRRRRRGGGGGBBBBB) |
| 69 | MACHINE_CONFIG_END |
| 70 | |
| 71 | |
| 72 | |
| 73 | ROM_START( segapm ) // was more than one cartridge available? if so softlist them? |
| 74 | ROM_REGION( 0x80000, "maincpu", 0 ) /* 68000 Code */ |
| 75 | ROM_LOAD( "picture magic boot cart (j) [!].bin", 0x00000, 0x80000, CRC(c9ab4e60) SHA1(9c4d4ab3e59c8acde86049a1ba3787aa03b549a3) ) // internal header is GOUSEI HENSYUU |
| 76 | |
| 77 | // todo, sh2 bios roms etc. |
| 78 | ROM_END |
| 79 | |
| 80 | GAME( 1996, segapm, 0, segapm, segapm, driver_device, 0, ROT0, "Sega", "Picture Magic", MACHINE_NO_SOUND | MACHINE_NOT_WORKING ) |