jdgabbard

VIC-20 Case options

By jdgabbard, March 15, 2020 in Commodore 8-bit Computers

Question about programming GAL/PLDs 1 2

By jdgabbard, December 9, 2015 in Hardware

Question on MSX Cartridge Signals

By jdgabbard, August 2, 2019 in Classic Computing Discussion

• msx
• z80
• (and 2 more)

  Tagged with:

  • msx
  • z80
  • hardware
  • engineering

I Designed a replacement Power Switch

By jdgabbard, June 17, 2019 in TI-99/4A Computers

• stl
• ti-99/4a
• (and 1 more)

  Tagged with:

  • stl
  • ti-99/4a
  • 3d printing

New PC Joystick SNES Controller Interface

By jdgabbard, March 21, 2019 in Classic Computing Discussion

TMS9918A Video Input 1 2

By jdgabbard, October 22, 2017 in TI-99/4A Computers

I designed a NanoPEB Case... 1 2

By jdgabbard, October 23, 2018 in TI-99/4A Computers

Weird issue with UberGROM

By jdgabbard, October 24, 2018 in TI-99/4A Computers

How to buy a VIC-20 for $8 in 2018

By jdgabbard, July 16, 2018 in Classic Computing Discussion

VIC-20 Video Problem.

By jdgabbard, July 15, 2018 in Commodore 8-bit Computers

CoCo Disk BASIC v1.1 Disassembly

By jdgabbard, May 28, 2018 in Tandy Computers

My new homebrewed z80 computer

By jdgabbard, September 5, 2017 in Classic Computing Discussion

Ported TinyBASIC over to my G80-S Computer

By jdgabbard, October 10, 2017 in Classic Computing Discussion

Bought some Kaypro Computers...one is modded...

By jdgabbard, September 24, 2017 in Classic Computing Discussion

CoCo Cartridge STLs

By jdgabbard, August 24, 2017 in Tandy Computers

Needed: Compaq LTE Elite 4/75 HDD Cover

By jdgabbard, May 28, 2017 in Wanted

Questions concerning IBM 5160

By jdgabbard, May 4, 2016 in Classic Computing Discussion

Any CRTC Gurus out there? MC6845

By jdgabbard, January 22, 2017 in Hardware

Odd observation of Genesis Game Cart

By jdgabbard, November 28, 2016 in Hardware

ISO Custom Lables

By jdgabbard, November 21, 2016 in Wanted

Troubleshooting an SNES

By jdgabbard, November 14, 2016 in Classic Console Discussion

Trying to understand ISA addressing

By jdgabbard, September 24, 2016 in Hardware

PC-XT and Composite CGA problems.

By jdgabbard, September 16, 2016 in Classic Computing Discussion

Dual BCD to Hex 7-Segment Driver

By jdgabbard, July 19, 2016 in Hardware

Where to buy 5.25s?

By jdgabbard, May 1, 2016 in Classic Computing Discussion