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Sega Mega Jet

The Mega Jet is a screenless portable Mega Drive developed by Sega in 1992 as a promotional item used in Japan Air Lines. This console later resulted in the production of the Sega Nomad which was a portable Genesis (American Mega Drive) with a backlit LCD screen that was available to the public after its release in October 1995.
Sega Mega Jet Technical Specifications " CPU: 16-bit Motorola 68000 running at 7.61 MHz
" Co-processor: Zilog Z80 running at 4 MHz, controls PSG (Programmable Sound Generator) & FM Chips
" RAM: 64 Kbytes
" ROM: 1 Mbytes (8-Mbit)
" VRAM: 64 Kbytes (Video Ram)
" Graphics: VDP (Video Display Processor) dedicated video display processor for playfield and sprite control, 3 Planes, 2 scrolling playfields, 1 sprite plane
" Colours Available: 512
" Max. Colours on screen: 64
" CRAM: 64 x 9-kbit (Colour RAM)
" Pixel Resolution: 320 x 224, 40 x 28 text display mode
" Sound: Texas Instruments PSG (Programmable Sound Generator) TI 76489 chip, Yamaha YM 2612 FM chip
" Signal/Noise Ratio: 14dB
" Sound Channels: 6 stereo sound channels
" Sound RAM: 8 Kbytes
" 1 cartridge port
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