Mega Drive

From Retro Register
Revision as of 17:47, 2 October 2019 by BlackDuke (talk | contribs)
Jump to navigation Jump to search
Megadrive logo.png
Sega Mega Drive Mk1

The Sega Mega Drive, known as the Genesis in North America, is a 16-bit home video game console developed and sold by Sega. The Mega Drive was Sega's third console and the successor to the Master System. Sega released it as the Mega Drive in Japan in 1988, followed by North America as the Genesis in 1989. In 1990, it was distributed as the Mega Drive by Virgin Mastertronic in Europe, Ozisoft in Australasia, and Tec Toy in Brazil.

Models

Model Image CPU Co-processor RAM ROM Graphics Display Sound Connectivity
Mega Drive Mega Drive 16-bit Motorola 68000 running at 7.61 MHz Zilog Z80 64 KB 1 MB VDP (Video Display Processor) dedicated video display processor for playfield and sprite control, 3 Planes, 2 scrolling playfields, 1 sprite plane. 64 KB VRAM. Progressive: 320x224, 256x224 (NTSC) or 320x240, 256x240 (PAL) pixels, 64 colors on-screen from a 512 colour palette.

Interlaced: 320x448, 256x448 (NTSC) or 320x480, 256x480 (PAL)

Texas Instruments SN76489 chip, Yamaha YM2612 FM chip. 6 stereo sound channels. 8 KB sound ROM. DE-9 controller port
Mega Drive 2 Mega Drive 2

Buying Guide

File:MD1 RGB SCART w Stereo Sound.jpg
Mega Drive Mk 1 RGB Cable Stereo Audio
File:MD1 RGB SCART Plugged In.jpg
Mega Drive Mk 1 RGB Cable Stereo Audio

The Mega Drive Mk1 only outputs stereo through its headphone port. Playing stereo audio through the TV can be achieved simply by using a specially designed RGB cable. These can be obtained from [RetroGamingCables|https://www.retrogamingcables.co.uk/sega-mega-drive-1-sega-genesis-1-stereo-rgb-av-scart-cable-tv-lead-pro-build?search=mega%20drive]

Maintenance

Modifications

Storage Solutions

Mega Everdrive

This flash cart comes in 3 versions; X3, X5, and X7.

http://www.retrotowers.co.uk/flash-carts/everdrives (UK)

https://stoneagegamer.com/flash/genesis/carts/ (US)