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Merge pull request #270 from mixxmaster/MXgal

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galaxia.c: add technical manual and schematics links to notes, corrected speed (nw)
This commit is contained in:
David Haywood 2015-07-28 23:59:58 +01:00
commit b5eb22a4c0
1 changed files with 12 additions and 9 deletions
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21
src/mame/drivers/galaxia.c
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@ -3,6 +3,8 @@
/*
Galaxia by Zaccaria (1979)
Also released in several regions as "Super Galaxians".
Set regions are unknown, so all are currently named Galaxia.
Taken from an untested board.
@ -11,7 +13,7 @@ Taken from an untested board.
This is not a direct pirate of Galaxian as you might think from the name.
The game uses a Signetics 2650A CPU with three 40-pin 2636 chips, which are
responsible for sound and some video functions.
responsible for basic sound and some video functions.
Other than that, the video hardware looks like it's similar to Galaxian
(2 x 2114, 2 x 2101, 2 x EPROM) but there is no attack RAM and the graphics
@ -48,16 +50,18 @@ Quick PCB sketch:
Astro Wars (port of Astro Fighter) is on a stripped down board of Galaxia,
using only one 2636 chip, less RAM, and no PROM.
---
Manual and Schematic for Galaxia can be found at:
http://www.zzzaccaria.com/manuals/SuperGalaxiansTechnicalManual.zip
http://www.zzzaccaria.com/manuals/GalaxiaSchematics.zip
HW has many similarities with quasar.c / cvs.c / zac2650.c
---
TODO:
- fix colors, there's no color prom?!
- stars background should be multi color
- improve sound, maybe part discrete
- correct color/star generation using info from Galaxia technical manual and schematics
- add sound board emulation
- improve bullets
- accurate astrowar sprite/bg sync
- accurate sprite/bg sync in astrowar
*/
@ -286,7 +290,7 @@ static MACHINE_CONFIG_START( galaxia, galaxia_state )
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_VIDEO_ATTRIBUTES(VIDEO_ALWAYS_UPDATE)
MCFG_SCREEN_REFRESH_RATE(60)
MCFG_SCREEN_REFRESH_RATE(50)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500))
MCFG_SCREEN_SIZE(256, 256)
MCFG_SCREEN_VISIBLE_AREA(0*8, 30*8-1, 2*8, 32*8-1)
@ -331,7 +335,7 @@ static MACHINE_CONFIG_START( astrowar, galaxia_state )
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_VIDEO_ATTRIBUTES(VIDEO_ALWAYS_UPDATE)
MCFG_SCREEN_REFRESH_RATE(60)
MCFG_SCREEN_REFRESH_RATE(50)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500))
MCFG_SCREEN_SIZE(256, 256)
MCFG_SCREEN_VISIBLE_AREA(1*8, 31*8-1, 2*8, 32*8-1)
@ -463,7 +467,6 @@ ROM_START( astrowar )
ROM_LOAD( "astro.3d", 0x00400, 0x0400, CRC(822505aa) SHA1(f9d3465e14bb850a286f8b4f42aa0a4044413b67) )
ROM_END
GAME( 1979, galaxia, 0, galaxia, galaxia, driver_device, 0, ROT90, "Zaccaria / Zelco", "Galaxia (set 1)", GAME_IMPERFECT_COLORS | GAME_IMPERFECT_SOUND | GAME_IMPERFECT_GRAPHICS )
GAME( 1979, galaxiaa, galaxia, galaxia, galaxia, driver_device, 0, ROT90, "Zaccaria / Zelco", "Galaxia (set 2)", GAME_IMPERFECT_COLORS | GAME_IMPERFECT_SOUND | GAME_IMPERFECT_GRAPHICS )
GAME( 1979, galaxiab, galaxia, galaxia, galaxia, driver_device, 0, ROT90, "Zaccaria / Zelco", "Galaxia (set 3)", GAME_IMPERFECT_COLORS | GAME_IMPERFECT_SOUND | GAME_IMPERFECT_GRAPHICS )