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corrected clocks

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This commit is contained in:
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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31
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 ...
DE register values are always discarded ... bug in coding or ROM patch?
TODO:
- Verify Z80 and AY8910 clock speeds
============================================================================
Zodiack
@ -85,12 +81,21 @@ Notes:
***************************************************************************/
#include "emu.h"
#include "cpu/z80/z80.h"
#include "sound/ay8910.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 )
{
@ -555,22 +560,19 @@ void zodiack_state::machine_reset()
static MACHINE_CONFIG_START( zodiack, zodiack_state )
/* 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_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_IO_MAP(io_map)
MCFG_CPU_PERIODIC_INT_DRIVER(zodiack_state, zodiack_sound_nmi_gen, 8*60) /* IRQs are triggered by the main CPU */
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */ /* frames per second, vblank duration */)
MCFG_SCREEN_RAW_PARAMS(PIXEL_CLOCK, HTOTAL, HBEND, HBSTART, VTOTAL, VBEND, VBSTART)
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_PALETTE_LENGTH(4*8+2*8+2*1)
@ -580,7 +582,7 @@ static MACHINE_CONFIG_START( zodiack, zodiack_state )
/* sound hardware */
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)
MACHINE_CONFIG_END
@ -694,8 +696,9 @@ ROM_START( bounty )
ROM_LOAD( "mb7051.2b", 0x0020, 0x0020, CRC(465e31d4) SHA1(d47a4aa0e8931dcd8f85017ef04c2f6ad79f5725) )
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, 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( 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( 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( 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( 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 )