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Welcome to the MegaDrive Development Wiki

This wiki is about every technical aspect of the SEGA MegaDrive hardware and software.

Its aim is to provide the most detailed, accurate and up to date information, to help homebrew development and repairs.
The wiki has 20 pages. Contributors list.
Don't know where to start ? Try here.

Recent changes (minor edits hidden)

No changes during the given period matching these criteria.

Categories

Ban base.jpg Main architecture, data formats...

Last edits:
IO Registers19:13, 8 February 2013
Reading MD6 Joypad18:59, 8 February 2013
Reading MD3 Joypad18:58, 8 February 2013

Pages in category: 9

Ban 32X.jpg Particularities of the 32X system

Last edits:

Pages in category: 0

Ban cd.jpg MegaCD specificities

Last edits:

Pages in category: 0

Ban video.jpg

How graphics are handled and displayed, from bitplanes and colors to the video output.

Last edits:
VDP DMA17:39, 4 February 2013
VDP Pattern07:48, 17 July 2012
VDP Ports08:10, 14 July 2012

Pages in category: 9

Ban audio.jpg

Everything related to music and sound effects: The Z80 subsystem, synthesized and sampled sound, CDDA playback...

Last edits:

Pages in category: 2

Ban code.jpg

Code snippets, register definitions, guides on how to display stuff, use BIOS functions, play music and sounds, read user input...

Last edits:
Reading MD6 Joypad18:59, 8 February 2013
Reading MD3 Joypad18:58, 8 February 2013
MD Rom Header07:49, 17 July 2012

Pages in category: 4

Ban chips.jpg

Chip pinouts and functions, troubleshooting hardware issues...

Last edits:
315-534519:23, 9 February 2013
315-530820:48, 9 January 2013
315-536408:41, 9 January 2013

Pages in category: 20

Ban chips.jpg

Boards schematics and functions

Last edits:
171-633015:37, 15 March 2013
171-597815:37, 15 March 2013
171-6583B19:04, 14 March 2013

Pages in category: 6

Ban tools.jpg

Assemblers, emulators, utilities, cheatsheets, automations... Anything handy for developement.

Last edits:

Pages in category: 0