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https://github.com/holub/mame
synced 2025-06-01 10:31:48 +03:00
still rearranging things in here
This commit is contained in:
davidhay
parent
f0d27435f7
commit
36985785ad
@ -94,6 +94,9 @@ static int _32x_master_cpu_number;
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static int _32x_slave_cpu_number;
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/* SegaCD! */
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static int _segacd_68k_cpu_number;
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/* SVP (virtua racing) */
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static int _svp_cpu_number;
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static int _genesis_snd_z80_cpu_number;
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@ -2916,6 +2919,14 @@ MACHINE_DRIVER_START( megdsvp )
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/* IRQs are not used by this CPU */
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MACHINE_DRIVER_END
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MACHINE_DRIVER_START( megdsvppal )
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MDRV_IMPORT_FROM(megadpal)
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MDRV_CPU_ADD("svp", SSP1601, MASTER_CLOCK_PAL / 7 * 3) /* ~23 MHz (guessed) */
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MDRV_CPU_PROGRAM_MAP(svp_ssp_map, 0)
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MDRV_CPU_IO_MAP(svp_ext_map, 0)
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/* IRQs are not used by this CPU */
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MACHINE_DRIVER_END
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/****************************************** END SVP related *************************************/
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@ -5052,6 +5063,49 @@ MACHINE_DRIVER_START( megadriv )
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MDRV_MACHINE_RESET(megadriv)
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MDRV_SCREEN_ADD("megadriv", RASTER)
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MDRV_SCREEN_FORMAT(BITMAP_FORMAT_RGB15)
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MDRV_SCREEN_REFRESH_RATE(60)
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MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) // Vblank handled manually.
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MDRV_SCREEN_SIZE(64*8, 64*8)
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MDRV_SCREEN_VISIBLE_AREA(0, 32*8-1, 0, 28*8-1)
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#ifndef MESS
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MDRV_NVRAM_HANDLER(megadriv)
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#endif
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MDRV_PALETTE_LENGTH(0x200)
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MDRV_VIDEO_START(megadriv)
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MDRV_VIDEO_UPDATE(megadriv) /* Copies a bitmap */
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MDRV_VIDEO_EOF(megadriv) /* Used to Sync the timing */
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/* sound hardware */
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MDRV_SPEAKER_STANDARD_STEREO("left", "right")
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MDRV_SOUND_ADD("ym", YM2612, MASTER_CLOCK_NTSC/7) /* 7.67 MHz */
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MDRV_SOUND_ROUTE(0, "left", 0.50)
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MDRV_SOUND_ROUTE(1, "right", 0.50)
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/* sound hardware */
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MDRV_SOUND_ADD("sn", SN76496, MASTER_CLOCK_NTSC/15)
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MDRV_SOUND_ROUTE(ALL_OUTPUTS, "left", 0.25) /* 3.58 MHz */
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MDRV_SOUND_ROUTE(ALL_OUTPUTS, "right",0.25) /* 3.58 MHz */
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MACHINE_DRIVER_END
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/************ PAL hardware has a different master clock *************/
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MACHINE_DRIVER_START( megadpal )
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MDRV_CPU_ADD("main", M68000, MASTER_CLOCK_PAL / 7) /* 7.67 MHz */
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MDRV_CPU_PROGRAM_MAP(megadriv_readmem,megadriv_writemem)
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/* IRQs are handled via the timers */
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MDRV_CPU_ADD("genesis_snd_z80", Z80, MASTER_CLOCK_PAL / 15) /* 3.58 MHz */
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MDRV_CPU_PROGRAM_MAP(z80_readmem,z80_writemem)
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MDRV_CPU_IO_MAP(z80_portmap,0)
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/* IRQ handled via the timers */
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MDRV_MACHINE_RESET(megadriv)
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MDRV_SCREEN_ADD("megadriv", RASTER)
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MDRV_SCREEN_FORMAT(BITMAP_FORMAT_RGB15)
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@ -5071,37 +5125,19 @@ MACHINE_DRIVER_START( megadriv )
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MDRV_VIDEO_EOF(megadriv) /* Used to Sync the timing */
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/* sound hardware */
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#if 0
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MDRV_SPEAKER_STANDARD_MONO("mono")
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MDRV_SOUND_ADD("ym", YM2612, MASTER_CLOCK_NTSC/7) /* 7.67 MHz */
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MDRV_SOUND_ROUTE(0, "mono", 0.50)
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MDRV_SOUND_ROUTE(1, "mono", 0.50)
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/* sound hardware */
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MDRV_SOUND_ADD("sn", SN76496, MASTER_CLOCK_NTSC/15)
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MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) /* 3.58 MHz */
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#else
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MDRV_SPEAKER_STANDARD_STEREO("left", "right")
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MDRV_SOUND_ADD("ym", YM2612, MASTER_CLOCK_NTSC/7) /* 7.67 MHz */
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MDRV_SOUND_ADD("ym", YM2612, MASTER_CLOCK_PAL/7) /* 7.67 MHz */
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MDRV_SOUND_ROUTE(0, "left", 0.50)
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MDRV_SOUND_ROUTE(1, "right", 0.50)
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/* sound hardware */
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MDRV_SOUND_ADD("sn", SN76496, MASTER_CLOCK_NTSC/15)
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MDRV_SOUND_ADD("sn", SN76496, MASTER_CLOCK_PAL/15)
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MDRV_SOUND_ROUTE(ALL_OUTPUTS, "left", 0.25) /* 3.58 MHz */
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MDRV_SOUND_ROUTE(ALL_OUTPUTS, "right",0.25) /* 3.58 MHz */
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#endif
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MACHINE_DRIVER_END
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MACHINE_DRIVER_START( megadpal )
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MDRV_IMPORT_FROM(megadriv)
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MDRV_SCREEN_MODIFY("megadriv")
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MDRV_SCREEN_REFRESH_RATE(50)
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MACHINE_DRIVER_END
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static const sh2_cpu_core sh2_conf_master = { 0, NULL };
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static const sh2_cpu_core sh2_conf_slave = { 1, NULL };
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@ -5189,6 +5225,12 @@ static void megadriv_init_common(running_machine *machine)
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printf("Sega CD secondary 68k cpu found %d\n", _segacd_68k_cpu_number );
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}
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_svp_cpu_number = mame_find_cpu_index(machine, "svp");
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if (_svp_cpu_number != -1)
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{
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printf("SVP (cpu) found %d\n", _svp_cpu_number );
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}
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if (genesis_has_z80)
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{
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@ -5237,6 +5279,13 @@ static void megadriv_init_common(running_machine *machine)
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mame_printf_debug("\n");
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}
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/* if we have an SVP cpu then do some extra initilization for it */
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if (_svp_cpu_number != -1)
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{
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svp_init(machine);
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}
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}
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DRIVER_INIT( megadriv_c2 )
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@ -5289,19 +5338,6 @@ DRIVER_INIT( megadrie )
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hazemdchoice_megadriv_framerate = 50;
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}
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DRIVER_INIT( megadsvp )
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{
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genvdp_use_cram = 1;
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genesis_always_irq6 = 0;
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genesis_other_hacks = 1;
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megadriv_init_common(machine);
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svp_init(machine);
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hazemdchoice_megadrive_region_export = 1;
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hazemdchoice_megadrive_region_pal = 0;
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hazemdchoice_megadriv_framerate = 60;
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}
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/* used by megatech */
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static READ8_HANDLER( z80_unmapped_port_r )
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@ -5355,6 +5391,8 @@ void megatech_set_megadrive_z80_as_megadrive_z80(running_machine *machine)
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memory_install_readwrite8_handler(machine, 1, ADDRESS_SPACE_PROGRAM, 0x8000, 0xffff, 0, 0, z80_read_68k_banked_data, z80_write_68k_banked_data);
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}
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// these are tests for 'special case' hardware to make sure I don't break anything while rearranging things
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//
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#if 0
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DRIVER_INIT( _32x )
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{
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@ -5411,7 +5449,29 @@ ROM_START( 32x_scd )
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ROM_LOAD( "32x_s_bios.bin", 0x000000, 0x000400, CRC(bfda1fe5) SHA1(4103668c1bbd66c5e24558e73d4f3f92061a109a) )
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ROM_END
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ROM_START( g_virr )
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ROM_REGION( 0x400000, "main", 0 ) /* 68000 Code */
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ROM_LOAD( "g_virr.bin", 0x000000, 0x200000, CRC(7e1a324a) SHA1(ff969ae53120cc4e7cb1a8a7e47458f2eb8a2165) )
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ROM_END
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ROM_START( g_virrj )
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ROM_REGION( 0x400000, "main", 0 ) /* 68000 Code */
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ROM_LOAD( "g_virrj.bin", 0x000000, 0x200000, CRC(53a293b5) SHA1(0ad38a3ab1cc99edac72184f8ae420e13df5cac6) )
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ROM_END
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ROM_START( g_virre )
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ROM_REGION( 0x400000, "main", 0 ) /* 68000 Code */
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ROM_LOAD( "g_virre.bin", 0x000000, 0x200000, CRC(9624d4ef) SHA1(2c3812f8a010571e51269a33a989598787d27c2d) )
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ROM_END
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ROM_START( g_virrea )
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ROM_REGION( 0x400000, "main", 0 ) /* 68000 Code */
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ROM_LOAD( "g_virrea.bin", 0x000000, 0x200000, CRC(5a943df9) SHA1(2c08ea556c79d48e88ff5202944c161ae1b41c63) )
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ROM_END
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GAME( 1994, 32x_bios, 0, genesis_32x, megadriv, _32x, ROT0, "Sega", "32X Bios", GAME_NOT_WORKING )
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GAME( 1994, segacd, 0, genesis_scd, megadriv, megadriv,ROT0, "Sega", "Sega-CD Model 2 BIOS V2.11 (U)", GAME_NOT_WORKING )
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GAME( 1994, 32x_scd, 0, genesis_32x_scd, megadriv, _32x, ROT0, "Sega", "Sega-CD Model 2 BIOS V2.11 (U) (with 32X)", GAME_NOT_WORKING )
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GAME( 1994, g_virr, 0, megdsvp, megadriv, megadriv, ROT0, "Sega", "Virtua Racing (U) [!]", 0 )
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GAME( 1994, g_virrj , g_virr, megdsvp, megadriv, megadrij, ROT0, "Sega", "Virtua Racing (J) [!]", 0 )
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GAME( 1994, g_virre , g_virr, megdsvppal, megadriv, megadrie, ROT0, "Sega", "Virtua Racing (E) [!]", 0 )
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GAME( 1994, g_virrea, g_virr, megdsvppal, megadriv, megadrie, ROT0, "Sega", "Virtua Racing (E) [a1]", 0 )
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#endif
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