diff options
Diffstat (limited to 'src/mame/drivers/intrscti.c')
-rw-r--r-- | src/mame/drivers/intrscti.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/src/mame/drivers/intrscti.c b/src/mame/drivers/intrscti.c new file mode 100644 index 00000000000..38cb31d343e --- /dev/null +++ b/src/mame/drivers/intrscti.c @@ -0,0 +1,137 @@ +/* + +Intersecti + +No names on the pcb and the only ascii text is in the sound rom "Intersecti". Has a daughterboard with "Serai-Padova-1" on it + +Having disassembled the 1911 code roms, I'd guess that there is a rom in the epoxy block. + +I've not had a chance to wire up the board yet, but it might be possible to write a trojan to display the rom(s) at $8000 + + +*/ + +#include "driver.h" + +static READ8_HANDLER( unk_r ) +{ + return mame_rand(Machine); +} + +static UINT8 *intrscti_ram; + +static ADDRESS_MAP_START( readmem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x1fff) AM_READ(MRA8_ROM) + AM_RANGE(0x6000, 0x67ff) AM_READ(MRA8_RAM) + AM_RANGE(0x7000, 0x77ff) AM_READ(MRA8_RAM) + AM_RANGE(0x8000, 0x8fff) AM_READ(MRA8_ROM) +ADDRESS_MAP_END + +static ADDRESS_MAP_START( writemem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x1fff) AM_WRITE(MWA8_ROM) + AM_RANGE(0x6000, 0x67ff) AM_WRITE(MWA8_RAM) + AM_RANGE(0x7000, 0x77ff) AM_WRITE(MWA8_RAM) AM_BASE(&intrscti_ram) // video ram + AM_RANGE(0x8000, 0x8fff) AM_WRITE(MWA8_ROM) +ADDRESS_MAP_END + +static ADDRESS_MAP_START( readport, ADDRESS_SPACE_IO, 8 ) + ADDRESS_MAP_FLAGS( AMEF_ABITS(8) ) + AM_RANGE(0x00, 0x00) AM_READ( unk_r ) + AM_RANGE(0x01, 0x01) AM_READ( unk_r ) +ADDRESS_MAP_END + + +static INPUT_PORTS_START( intrscti ) +INPUT_PORTS_END + +static const gfx_layout tiles8x8_layout = +{ + 8,8, + RGN_FRAC(1,3), + 3, + { RGN_FRAC(0,3), RGN_FRAC(1,3),RGN_FRAC(2,3) }, + { 0, 1, 2, 3, 4, 5, 6, 7 }, + { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, + 8*8 +}; + +static GFXDECODE_START( intrscti ) + GFXDECODE_ENTRY( REGION_GFX1, 0, tiles8x8_layout, 0, 16 ) +GFXDECODE_END + +static VIDEO_START(intrscti) +{ +} + +static VIDEO_UPDATE(intrscti) +{ + int y,x; + int count; + + fillbitmap(bitmap, get_black_pen(machine), cliprect); + + count = 0; + for (y=0;y<64;y++) + { + for (x=0;x<32;x++) + { + int dat; + dat = intrscti_ram[count]; + drawgfx(bitmap,machine->gfx[0],dat/*+0x100*/,0,0,0,x*8,y*8,cliprect,TRANSPARENCY_PEN,0); + count++; + } + } + + + return 0; +} + +static MACHINE_DRIVER_START( intrscti ) + /* basic machine hardware */ + MDRV_CPU_ADD(Z80,4000000) /* ? MHz */ + MDRV_CPU_PROGRAM_MAP(readmem,writemem) + MDRV_CPU_IO_MAP(readport,0) + MDRV_CPU_VBLANK_INT(irq0_line_hold,1) + + MDRV_SCREEN_REFRESH_RATE(60) + MDRV_SCREEN_VBLANK_TIME(DEFAULT_60HZ_VBLANK_DURATION) + + /* video hardware */ + MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER ) + MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) + MDRV_SCREEN_SIZE(256, 512) + MDRV_SCREEN_VISIBLE_AREA(0, 256-1, 0, 512-1) + MDRV_GFXDECODE(intrscti) + MDRV_PALETTE_LENGTH(0x100) + + MDRV_VIDEO_START(intrscti) + MDRV_VIDEO_UPDATE(intrscti) +MACHINE_DRIVER_END + + +ROM_START( intrscti ) + ROM_REGION( 0x10000, REGION_CPU1, 0 ) + ROM_LOAD( "1911_1.7g", 0x0000, 0x1000, CRC(8940e6ee) SHA1(50da11a6fab8f31c72c08dbf374268fff18a74e3) ) + ROM_LOAD( "1911_2.8g", 0x1000, 0x1000, CRC(a461031e) SHA1(338c8cd79b98c666edd204150dea65ce4b9ec288) ) + ROM_LOAD( "epoxy_block", 0x8000,0x1000, NO_DUMP ) + + ROM_REGION( 0x10000, REGION_CPU2, 0 ) + ROM_LOAD( "ok.13b", 0x00000, 0x800, CRC(cbfa3eba) SHA1(b5a81a4535e7883a3ff8fb4021ddd7dbfaf3c7ae) ) + + ROM_REGION( 0x3000, REGION_GFX1, 0 ) + ROM_LOAD( "r.5c", 0x0000, 0x1000, CRC(092cc8f2) SHA1(f0c717128e0ac6adc032616a8cafaec88aa0fb90) ) + ROM_LOAD( "g.5b", 0x1000, 0x1000, CRC(2d7cf465) SHA1(70fcb5818f2dfe499bb52501403449660837557d) ) + ROM_LOAD( "b.5a", 0x2000, 0x1000, CRC(8951fb7e) SHA1(c423bf0536e3a09453814172e31b47f9c3c3324c) ) +ROM_END + +static DRIVER_INIT( intrscti ) +{ + UINT8 *cpu = memory_region( REGION_CPU1 ); + int i; + for (i=0x8000;i<0x8fff;i++) + { + cpu[i]=0xc9; // ret + } +} + +GAME( 19??, intrscti, 0, intrscti, intrscti, intrscti, ROT0, "Unknown", "Intersecti", GAME_NO_SOUND|GAME_NOT_WORKING ) |