diff options
Diffstat (limited to 'src/mess/drivers/segapm.c')
-rw-r--r-- | src/mess/drivers/segapm.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/mess/drivers/segapm.c b/src/mess/drivers/segapm.c new file mode 100644 index 00000000000..34d7488e8b3 --- /dev/null +++ b/src/mess/drivers/segapm.c @@ -0,0 +1,80 @@ +/* Sega Picture Magic (codename JANUS) */ +// http://segaretro.org/Sega_Picture_Magic + +// 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 +// it is likely the internal SH2 bios roms differ + + +#include "emu.h" +#include "cpu/m68000/m68000.h" + + +class segapm_state : public driver_device +{ +public: + segapm_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag), + m_maincpu(*this, "maincpu") + { } + + virtual void video_start(); + UINT32 screen_update_segapm(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); + required_device<cpu_device> m_maincpu; +}; + + +void segapm_state::video_start() +{ +} + +UINT32 segapm_state::screen_update_segapm(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) +{ + return 0; +} + + + +static ADDRESS_MAP_START( segapm_map, AS_PROGRAM, 16, segapm_state ) + AM_RANGE(0x000000, 0x07ffff) AM_ROM + + // A15100 + + AM_RANGE(0xe00000, 0xe7ffff) AM_RAM + +ADDRESS_MAP_END + +static INPUT_PORTS_START( segapm ) +INPUT_PORTS_END + + + + +static MACHINE_CONFIG_START( segapm, segapm_state ) + + MCFG_CPU_ADD("maincpu", M68000, 8000000) // ?? + MCFG_CPU_PROGRAM_MAP(segapm_map) + + // + 2 sh2s on 32x board + + MCFG_SCREEN_ADD("screen", RASTER) + MCFG_SCREEN_REFRESH_RATE(60) + MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) + MCFG_SCREEN_SIZE(32*8, 32*8) + MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1) + MCFG_SCREEN_UPDATE_DRIVER(segapm_state, screen_update_segapm) + MCFG_SCREEN_PALETTE("palette") + + MCFG_PALETTE_ADD("palette", 0x200) + MCFG_PALETTE_FORMAT(xRRRRRGGGGGBBBBB) +MACHINE_CONFIG_END + + + +ROM_START( segapm ) // was more than one cartridge available? if so softlist them? + ROM_REGION( 0x80000, "maincpu", 0 ) /* 68000 Code */ + ROM_LOAD( "picture magic boot cart (j) [!].bin", 0x00000, 0x80000, CRC(c9ab4e60) SHA1(9c4d4ab3e59c8acde86049a1ba3787aa03b549a3) ) // internal header is GOUSEI HENSYUU + + // todo, sh2 bios roms etc. +ROM_END + +GAME( 1996, segapm, 0, segapm, segapm, driver_device, 0, ROT0, "Sega", "Picture Magic", MACHINE_NO_SOUND | MACHINE_NOT_WORKING ) |