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SEGA Y BOARD HARDWARE
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HARDWARE DESCRIPTION
Main CPU : 3 x MC68000 @ 12.5 MHz
Sound CPU : Z80 @ 4 MHz
Sound chip : YM2151 @ 4 MHz & SegaPCM @ 15.625 MHz
Max Colours : 16384 (4bpp - 16 per sprite, which go through a 16->512 indirection table), then selects which 512 color bank to take from 4096. This is used to do colour rotations (the red-yellow rotation of the lava sprites from Galaxy force for instance) without changing the color palette, also allows it to have sprites that rotate colors and sprites that don't on the same screen, and to get different levels of luminosity as well
Sprite Structure : Uses a linked list of sprites (each sprite includes the number of the next one)
Video resoution : 320 x 224
Board composition : CPU board + Video board
Board Features : 3 68K, nicknamed M, X and Y.
You have a sky gradiant, a first sprite layer which plugs into a full-screen rotation (seen in the the power drift/galaxy force screen tilt), then a second sprite layer (outrun type) on top of them which has priority, and they have full sprite zooming and scaling on both sprite planes.
This hardware uses no tiles at all.
Emulators : MAME - FinalBurn


KNOWN SEGA Y BOARD GAME LIST
G-LOC
G-LOC R360
Galaxy Force
Galaxy Force II
Power Drift
Power Drift Link
Rail Chase
Strike Fighter


G-LOC
1990
G-LOC G-LOC
G-LOC G-LOC
Flyers : Normal Flyer
Cabinets : Upright
Magazine Review : Page1 - Page2
Notes : Was also available in a slightly modified version as R360 software.
Magazine reviews : C+VG Mar '91 - ZZAP!64 Feb '91 - C+VG Jul '90 - SU Jul '90 - SU Mar '91
Prequels : After Burner (1987) - After Burner - After Burner II (1987) - After Burner 2 (1990)
Sequels : G-LOC R360 (1990) - Strike Fighter (1991) - Sega Strike Fighter (2000) - After Burner Climax (2006)
 

G-LOC R360
1990
Additional Hardware : R360 cabinet.
G-LOC R360 G-LOC R360
G-LOC R360 G-LOC R360
Notes : This was the main software supplied for the R360 cabinet.
Prequels : After Burner (1987) - After Burner - After Burner II (1987) - After Burner 2 (1990) - G-LOC (1990)
Sequels : Strike Fighter (1991) - Sega Strike Fighter (2000) - After Burner Climax (2006)
 

Galaxy Force
1988
Galaxy Force
Flyers : Japanese Flyer
Magazine reviews : SU Sep '88 - SU Nov '88 - SU Jan '89
Sequel : Galaxy Force II (1988)
 

Galaxy Force II
1988
Galaxy Force II Galaxy Force II
Galaxy Force II Galaxy Force II
Flyers : Normal Flyer
Cabinets : Cabinet Deluxe - Standard
PCB : CPU board
Midis : Beyond the Galaxy - Try-Z (Stage 5) - Coin - Name Entry - Scene Select - Staff Roll - Stage Clear
Prequel : Galaxy Force (1988)
 

Power Drift
1988
Power Drift
Power Drift Power Drift
Power Drift Power Drift
Flyers : Normal Flyer - Japanese Flyer - Japanese 4 Player Flyer
Other Images : Cabinet Upright
PCB's : Top - Bottom
Midis : Side Street - Like the Wind
Magazine reviews : Crash Mar '89 - ACE Nov '88 - TGM Feb '89 - SU Jan '89 - SU Oct '88
 

Power Drift Link
1988
Power Drift Link
Power Drift Link Power Drift Link
Notes : Linkable version.
 

Rail Chase
1991
Rail Chase
Rail Chase Rail Chase
Rail Chase Rail Chase
Flyers : Normal Flyer
Magazine reviews : SU Sep '91
Sequel : Rail Chase 2 (1995)
 

Strike Fighter
1991
Strike Fighter Strike Fighter
Flyers : Normal Flyer
Other Images : Cabinet Deluxe - Upright
Prequels : After Burner (1987) - After Burner - After Burner II (1987) - After Burner 2 (1990) - G-LOC (1990) - G-LOC R360 (1990)
Sequels : Sega Strike Fighter (2000) - After Burner Climax (2006)
 

 

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