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Introduction to arcade PCB repair

Lesson 1:Getting started and basic CPU signals
Lesson 2:Introduction to reading schematics
Lesson 3:Understanding Buses and the Address Decoding Circuit
Lesson 4:Testing ROMS in circuit with the FLUKE 9010
Lesson 5:Testing RAMS in circuit with the FLUKE 9010
Lesson 6:Testing video with the FLUKE 9010
Lesson 7:Testing inputs/controls with a logic probe, multimeter or FLUKE 9010

Introduction to ROM arcade ROM hacking video series

Lesson 1: Workstation Setup
Lesson 2.01: Decimal, Hex and Binary
Lesson 3: Finding Static Data and Modifying (the pacman ghost name hack)
Lesson 4: Finding non-ASCII strings
Lesson 5 Part 1: Creating a Free Play Hack (Finding the credit counter in RAM)
Lesson 5 Part 2: Creating a Free Play Hack (Foundations of Assembly Language Programming)
Lesson 5 Part 3: Creating a Free Play Hack (Assembly Language Lab)
Lesson 5 Part 4: Creating a Free Play Hack (The Credit Hack)
Lesson 5 Part 5: Creating a Free Play Hack (Never Lose Credits)
Lesson 6: Changing Colors
Lesson 7 Part 1: Bypassing Checksums

More lessons coming soon!...

Random videos of how arcade games work

Understanding computer/video game graphics: part 1 "The Frame Buffer"
Understanding computer/video game graphics: part 2 "Sprites and stuff..."
Hooking up Atari Volcano buttons to a Centipede to JAMMA adapter

Fixing arcade game PCBs video series

Video 1: Konami Juno First
Video 2: Rockola Eyes
Video 3: Atari Millipede Static Screen fix ($1.00 Patreon supporters only)
Video 4a: Understanding and troubleshooting the SYNC circuit with an oscilloscope
Video 4b: Understanding and troubleshooting the SYNC circuit (bonus for patreon patrons only)

Megatouch© Information

Megatouch resources including manuals, installation iso images, and key bypass information

Test ROMS

Frogger TEST/diagnostics ROM
Assembly Source Code for Frogger TEST/diagnostics ROM
philmurr's Galaxian/Moon Cresta/Scramble test rom with sprites
philmurr's Galaxian/Moon Cresta/Scramble test rom with NO sprites
philmurr's Mr. Do test rom - MD5 checksum

Hacks

ROM hacking
tutorial
Victory Road free play hack
Tempest board hack
Centipede Single ROM hack
Galaxian daughter board removal/ no board changes hack
Tempest board hack
Sega/Gremlin VICDUAL (Carnival, Tranquilzer Gun, Invinco/Head On 2 etc) Single ROM hack
Sega/Gremlin VIC/Dual VIC switching power supply hack
Audio jack for homemade JAMMA <-> Not Jamma adapter hack
5 minute Asteroids <-> Asteriods Deluxe cabaret adapter instructions

Useful 3D printed arcade parts designs

All 3D designs

Reverse Engineering

Burgertime reverse engineering information
Millipede reverse engineering information
Mr. Do reverse engineering information
Frogger reverse engineering information

Repair Logs

Asteroids Repair Logs
Asteroids Deluxe Repair Logs
Crystal Castles Repair Logs
Pole Position Repair Logs
Millipede Repair Logs
Centipede Repair Logs
Missile Command Repair Logs
Dig Dug Repair Logs
Kangaroo Repair Logs
Monte CarloRepair Logs
Rally-X Repair Logs
Pac man / Ms. Pacman Repair Logs
Galaxian Repair Logs
Moon Cresta Repair Logs
Bagman Repair Logs
Pooyan Repair Logs
Victory Road Repair Logs
Carnival Repair Logs
Super Space Attack Repair Logs
Head On Repair Logs
Invinco Repair Logs
Exidy Targ Repair Logs
Rock-ola Eyes Repair Logs
Rock-ola Nibbler Repair Logs
Centuri/Tekhan Swimmer Repair Logs
Spy Hunter Switcher issue fixes

Miscellaneous

Wiring of an Atari Volcanoe Button (with LED)

Troubleshooting information and guides

Centipede trouble shooting information
Missile Command trouble shooting information
Dig Dug trouble shooting information
Millipede trouble shooting information
Galaxian trouble shooting information
Carnival/Invinco/VIC/VIC Dual trouble shooting information

Useful online converters

Convert a 27512 image to a 82S123
Convert a 27512 image to a 82S129
Convert a 27512 image to a 82S131

Convert a 2716 image to work on a 2732

Convert a 2764 image to work on a 27128
Convert a 2764 image to work on a 27256
Convert a 2764 image to work on a 27512

Convert a 27128 image to work on a 27256
Convert a 27128 image to work on a 27512

Convert a 27256 image to work on a 27512

Fluke 9010a information

Asteroids Fluke 9010a ROM signature checksum algorithm (in PERL)

HP5004a signatures guides

Atari Centipede, Millipede, Missile Command - Courtesy of KLOV user SpudJones

General Information

Basics of CPU / Memory Access
Converting Binary to Hex
Converting Hex to Decimal

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