Articles
- A last minute Addendum
- A Universal Treatment for Bugs in the Program Area
- Another Look at 450ns EPROMS vs the ZX81/TS1000
- Build a 2068 Cartridge Board
- Build a 64K Dynamic Memory Board
- Build Your Own EPROM Programmer and Centronics Printer Interface - Part I
- Build Your Own EPROM Programmer and Centronics Printer Interface - Part II
- Converting the Oliger 64K Ram for the 2068
- Corrupted Disks???
- Decoding the EXROM
- EPROM Programmer, Part II: Fixing Your Home ROM
- Forum
- Forum
- Input/Output
- Last Minute News
- Make Your Own 2068 & TS1000 EPROM Progammer
- Memory Decoding Above 16K
- New Commands Effective with JLO Safe v2.6
- Oliger Disk Interface With JLO SAFE Specifications
- One Chip Mods: Recycle that 16K RAM pack
- Problems in Using the New V2.4 "Merge" Command
- Response Frame (on Micro Drives)
- Run TS1000 Machine Code in High Memory
- SAFE Questions and Answers
- SAFE Questions and Answers
- TMS9918A Video Upgrade For The TS1000
- TMS9918A Video Upgrade: Part 1
- TMS9918A Video Upgrade: Part 2
- Video Board Upgrade for Your TSZX
Computer Media
Documents
- Build a 2764 Based "Cartridge" Board and Programmer for Your '81
- Build a 2764 Based Cartridge Board and Programmer
- Future Commands Planned for JLO SAFE V2
- Future Commands Planned for JLO SAFE V2
- How to use the 2068 User Cartridge Board
- JLO SAFE DOS v2.51 Disassembly
- JLO SAFE V2.4 Errata
- Oliger 2068 Expansion RGB Circuit Instructions
- Oliger 2068/Spectrum Joystick Interface
- Preliminary Information on the Oliger/Kingsley Disc System
- Problems in Using the New V.24 "Merge" Command
- Problems in Using the New V.24 "Merge" Command
- The John Oliger Co. 2068 EPROM Programmer
- The John Oliger Co. Product Lists