Uploaded April 2026 | Updated September 2026, 2 weeks ago

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This isn't clickbait, we actually managed to run the full shareware Doom on this old printer controller.

PC Archeology: youtu.be/2rAgdZ9zBuA
Part 2: youtu.be/iaiKg0bAWD0
Part 3: youtu.be/--LbJZPreNc
Part 4: This Part

0:00 Intro
4:26 How to reverse engineer a system
25:25 Hardware Overview
28:16 Full tour of our new Monitor ROM
33:16 Adding video and audio output to the Agfa
49:15 We have video!
1:06:17 Demos
1:17:44 We have DOOM!

NOTE: DOOM logo and title screen is a trademark of 'id Software LLC', a subsidiary of ZeniMax Media/Microsoft.

-- Links

Purchase link for the VERAX at Joe's Retro Sto': (Use the discount count 'ADRIAN' for a 10% discount)
tindie.com/products/wavicle/vera-8-bit-video-card
Alt: lectronz.com/products/vera-8-bit-video-card

Github repo with documentation and AGFA-MON code:
github.com/misterblack1/agfa_compugraphics_9000ps/tree/main

Project-X Music, bladswede remix:
modarchive.org/index.php?request=view_by_moduleid&query=56660

BlueSCSI:
bluescsi.com

GitHub for I/O board monitor ROM:
github.com/misterblack1/agfa_ebs_pnafati/tree/main

Dump of ROMs and hard drive:
archive.org/details/agfa-computgraphi-9000-ps

User submitted reverse engineering of ROMs:
github.com/fletto2/agfa9000

Fractal Basic benchmarks:
docs.google.com/spreadsheets/d/1Sdh9vmm8RKGiE1-sTh9ThjFogLAoTg3M-5rL7LBWBUI/edit?usp=sharing

Enhanced 68k by Lee Davison:
6502.org/users/mycorner/68k/ehbasic/index.html
github.com/satoshiokue/EhBASIC68k-EMU

Adrian's Digital Basement ][ (Second Channel)
youtube.com/channel/UCbtwi4wK1YXd9AyV_4UcE6g

Support the channel on Patreon:
patreon.com/adriansdigitalbasement

My GitHub repository:
github.com/misterblack1?tab=repositories

--- Instructional videos

My video on chip removal without damage:
youtube.com/watch?v=XQVjwPsVFd8

--- Music

Intro music and other tracks by:
Nathan Divino
@itsnathandivino