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corrected clocks

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Michaël Banaan Ananas 2013-04-29 19:26:20 +00:00
parent a918e382bb
commit 99a3d25564
1 changed files with 20 additions and 17 deletions
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37
src/mame/drivers/zodiack.c
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@ -21,10 +21,6 @@ Notes:
All it does is scanning the whole 64k z80 space via all those pop opcodes ... All it does is scanning the whole 64k z80 space via all those pop opcodes ...
DE register values are always discarded ... bug in coding or ROM patch? DE register values are always discarded ... bug in coding or ROM patch?
TODO:
- Verify Z80 and AY8910 clock speeds
============================================================================ ============================================================================
Zodiack Zodiack
@ -85,12 +81,21 @@ Notes:
***************************************************************************/ ***************************************************************************/
#include "emu.h" #include "emu.h"
#include "cpu/z80/z80.h" #include "cpu/z80/z80.h"
#include "sound/ay8910.h" #include "sound/ay8910.h"
#include "includes/zodiack.h" #include "includes/zodiack.h"
#define PIXEL_CLOCK (XTAL_18_432MHz/3)
#define HTOTAL (396)
#define HBEND (0)
#define HBSTART (256)
#define VTOTAL (256)
#define VBEND (16)
#define VBSTART (240)
WRITE8_MEMBER( zodiack_state::nmi_mask_w ) WRITE8_MEMBER( zodiack_state::nmi_mask_w )
{ {
@ -555,22 +560,19 @@ void zodiack_state::machine_reset()
static MACHINE_CONFIG_START( zodiack, zodiack_state ) static MACHINE_CONFIG_START( zodiack, zodiack_state )
/* basic machine hardware */ /* basic machine hardware */
MCFG_CPU_ADD("maincpu", Z80, 4000000) /* 4.00 MHz??? */ MCFG_CPU_ADD("maincpu", Z80, XTAL_18_432MHz/6)
MCFG_CPU_PROGRAM_MAP(main_map) MCFG_CPU_PROGRAM_MAP(main_map)
MCFG_TIMER_DRIVER_ADD_SCANLINE("scantimer", zodiack_state, zodiack_scanline, "screen", 0, 1) MCFG_TIMER_DRIVER_ADD_SCANLINE("scantimer", zodiack_state, zodiack_scanline, "screen", 0, 1)
MCFG_CPU_ADD("audiocpu", Z80, 14318000/8) /* 1.78975 MHz??? */ MCFG_CPU_ADD("audiocpu", Z80, XTAL_18_432MHz/6)
MCFG_CPU_PROGRAM_MAP(sound_map) MCFG_CPU_PROGRAM_MAP(sound_map)
MCFG_CPU_IO_MAP(io_map) MCFG_CPU_IO_MAP(io_map)
MCFG_CPU_PERIODIC_INT_DRIVER(zodiack_state, zodiack_sound_nmi_gen, 8*60) /* IRQs are triggered by the main CPU */ MCFG_CPU_PERIODIC_INT_DRIVER(zodiack_state, zodiack_sound_nmi_gen, 8*60) /* IRQs are triggered by the main CPU */
/* video hardware */ /* video hardware */
MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_RAW_PARAMS(PIXEL_CLOCK, HTOTAL, HBEND, HBSTART, VTOTAL, VBEND, VBSTART)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */ /* frames per second, vblank duration */)
MCFG_SCREEN_UPDATE_DRIVER(zodiack_state, screen_update) MCFG_SCREEN_UPDATE_DRIVER(zodiack_state, screen_update)
MCFG_SCREEN_SIZE(32*8, 32*8)
MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
MCFG_GFXDECODE(zodiack) MCFG_GFXDECODE(zodiack)
MCFG_PALETTE_LENGTH(4*8+2*8+2*1) MCFG_PALETTE_LENGTH(4*8+2*8+2*1)
@ -580,7 +582,7 @@ static MACHINE_CONFIG_START( zodiack, zodiack_state )
/* sound hardware */ /* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("aysnd", AY8910, 1789750) MCFG_SOUND_ADD("aysnd", AY8910, XTAL_18_432MHz/12)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MACHINE_CONFIG_END MACHINE_CONFIG_END
@ -694,8 +696,9 @@ ROM_START( bounty )
ROM_LOAD( "mb7051.2b", 0x0020, 0x0020, CRC(465e31d4) SHA1(d47a4aa0e8931dcd8f85017ef04c2f6ad79f5725) ) ROM_LOAD( "mb7051.2b", 0x0020, 0x0020, CRC(465e31d4) SHA1(d47a4aa0e8931dcd8f85017ef04c2f6ad79f5725) )
ROM_END ROM_END
GAME( 1983, zodiack, 0, zodiack, zodiack, driver_device, 0, ROT270, "Orca (Esco Trading Co)", "Zodiack", GAME_IMPERFECT_COLORS | GAME_SUPPORTS_SAVE ) /* bullet color needs to be verified */
GAME( 1983, dogfight, 0, zodiack, dogfight, driver_device, 0, ROT270, "Orca / Thunderbolt", "Dog Fight (Thunderbolt)", GAME_IMPERFECT_COLORS | GAME_SUPPORTS_SAVE ) /* bullet color needs to be verified */ GAME( 1983, zodiack, 0, zodiack, zodiack, driver_device, 0, ROT270, "Orca (Esco Trading Co., Inc. license)", "Zodiack", GAME_IMPERFECT_COLORS | GAME_SUPPORTS_SAVE ) /* bullet color needs to be verified */
GAME( 1982, moguchan, 0, percuss, moguchan, driver_device, 0, ROT270, "Orca (Eastern Commerce Inc. license) (bootleg?)", "Moguchan", GAME_WRONG_COLORS | GAME_SUPPORTS_SAVE ) /* license copyright taken from ROM string at $0b5c */ GAME( 1983, dogfight, 0, zodiack, dogfight, driver_device, 0, ROT270, "Orca / Thunderbolt", "Dog Fight (Thunderbolt)", GAME_IMPERFECT_COLORS | GAME_SUPPORTS_SAVE ) /* bullet color needs to be verified */
GAME( 1981, percuss, 0, percuss, percuss, driver_device, 0, ROT270, "Orca (bootleg?)", "The Percussor", GAME_SUPPORTS_SAVE ) GAME( 1982, moguchan, 0, percuss, moguchan, driver_device, 0, ROT270, "Orca (Eastern Commerce Inc. license)", "Mogu Chan (bootleg?)", GAME_WRONG_COLORS | GAME_SUPPORTS_SAVE ) /* license copyright taken from ROM string at $0b5c */
GAME( 1982, bounty, 0, percuss, bounty, driver_device, 0, ROT180, "Orca", "The Bounty", GAME_SUPPORTS_SAVE ) GAME( 1981, percuss, 0, percuss, percuss, driver_device, 0, ROT270, "Orca (bootleg?)", "The Percussor", GAME_SUPPORTS_SAVE )
GAME( 1982, bounty, 0, percuss, bounty, driver_device, 0, ROT180, "Orca", "The Bounty", GAME_SUPPORTS_SAVE )