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SEGA VCO OBJECT HARDWARE
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HARDWARE DESCRIPTION
Hardware notes from Mark Haysman : These games share the same method of Object generation - IE digital data is sent to an ADC, which is split and sent to a bank of 8 Voltage Controlled Oscillators (VCOs) that generate clocks controlling the data fetched from the Object roms.
This is a very primitive way of sprite zooming - the slower the clock, the larger the sprite on screen will be. Take a look at the schematics and you'll see the object circuits for Turbo and Buck Rogers are identical, and Sub Roc has twice the object memory (for the 3D effect)
Emulators : MAME


KNOWN SEGA VCO OBJECT GAME LIST
Buck Rogers : Planet of Zoom / Zoom 909
SubRoc-3D
Turbo


Buck Rogers : Planet of Zoom / Zoom 909
1983
Hardware : 2 x Z80 @ 5 MHz
Sound Chip : Custom
Buck Rogers : Planet of Zoom / Zoom 909 Buck Rogers : Planet of Zoom / Zoom 909
Buck Rogers : Planet of Zoom / Zoom 909 Buck Rogers : Planet of Zoom / Zoom 909
Buck Rogers : Planet of Zoom / Zoom 909 Buck Rogers : Planet of Zoom / Zoom 909
Notes : Best guess is that this game was originally going to be called Zoom909 and a limited number were made like this, then Sega got the Buck Rogers license and rebranded the machine and changed the title screen...
Flyers : Normal Flyer
Cabinets : Upright - Closeup of Front - Deluxe - Zoom 909 cabinet - Zoom 909 Closeup - Marquee
Technical : Manual
Magazine reviews : C+VG Jul '83
 

SubRoc-3D
1983
Hardware : Z80 @ 5 MHz
Sound Chip : Custom Sound
SubRoc-3D SubRoc-3D
Flyers : Normal Flyer
Cabinets : Upright - Deluxe
Technical : Manual
Magazine reviews : C+VG Feb '83
 

Turbo
1981
Hardware : Z80 @ 5 MHz
Res : 288 x 256, 512 colors max.
Turbo Turbo
Flyers : Normal Flyer - Sitdown Flyer - Alt Flyer - Other Flyer
Cabinets : Upright - Upright 2 - Side Art
PCB : Picture
Other Images : Manual Cover
Magazine reviews : C+VG Jul '82
 

 

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