Articles
- 16K RAM Pack Schematic
- 16K RAM Pack Schematic
- 2050 Modem Schematic
- 2068 Bank Switching, Part IV
- 2068 Circuit Diagram
- 2068 Dock Connector For More Than Games
- 2068 Random Numbers
- 2068 ROM Bug
- 2068 System Variables Usage
- 2068 Tape Tutorial
- 2068 to Spectrum Cross-Reference
- 4K ROM: Display Routine
- 8K Basic ROM and 16K-Byte RAM Pack Specifications
- 8K ROM Monitor Routines
- 8K ROMCALLS
- A Comparative ROM Atlas: From Spectrum to TS2068
- A Cross-Correlation of the Spectrum ROM Versus TS2068, Part 3
- A Cross-Correlation of the Spectrum ROM Versus TS2068, Part 4
- A Handy Keyword and Function Table
- A Keyword Table for the TS 2068
- A New 2068 Bug?
- A Practical Study of System Variables: Put Them to Use with BASIC.
- A Tip for QL Owners
- Alphabetical Index of North American Suppliers 12/01/84
- An Introduction to Expression Evaluation
- Annotated 4K ROM Listing
- Annotated 4K ROM Listing - Systems Variables
- Annotated 4K ROM: LOAD Routine
- Another Video Primer
- Archive Character Codes
- Assorted Tipbits
- Attribute Function Defined
- Bank Switching The Timex/Sinclair 2068 Computer
- Bank Switching the TS2068 (III)
- Bankswitching on the T/S 2000 Series Computers, Part I
- Bankswitching, etc....
- Basic at a Stretch
- BASIC Bank Switching
- BASIC Conversion Chart
- Beginner's Corner
- Beginner's Corner: D File
- Beginner's ROM and RAM Addresses
- Binary Manipulation
- Bob's Notebook: Tutorial on Open, Close, Channels & Streams
- Books For the 2068,Spectrum
- Bug Alert
- Comments on Dr. Watson's Article
- Comparative ROM Atlas: From ZX Spectrum to 2068
- Comparative ROM Atlas: From ZX Spectrum to 2068
- Computus Interruptus
- Computus Interruptus 2
- Computus Interruptus, Part 3
- Computus Interruptus, Part 4
- Computus Interruptus, Part 5
- Computus Interruptus, Part 6
- Computus Interruptus, Part 7
- Computus Interruptus, Part 8
- Convert Your CAI Stringy Floppy to Store Variables Within the BASIC Program Just As The Cassette Does
- Data Transfer on the Serial Port
- Data Transfer on the Serial Port
- Developing a Memory Map Consensus
- Disk Drive Control & Interfacing
- Disk Drive Control and Interfacing, Part 2
- Disk Drive Control and Interfacing, Part 3
- Does Anybody Know What Time It Is?
- Dueling Devices
- EPROM Concepts
- Exploring the Timex/Sinclair 1000's Sinclair Logic Chip
- Exploring the Timex/Sinclair 1000's Sinclair Logic Chip (SCL)
- Exploring the Timex/Sinclair 1000's Sinclair Logic Chip (SCL), Part 2
- Exploring the Timex/Sinclair 1000's Sinclair Logic Chip, Part 2
- Exploring the Timex/Sinclair 1000's Sinclair Logic Chip, Part 3
- Exploring the Timex/Sinclair 1000's Sinclair Logic Chip, Part 3, Conclusion
- Extra Memory Programming
- Extra RAM
- Free Z80 and 68008 Technical Manuals
- From Other Basics - VAL and LEN
- Hex-Dec Conversion
- Hints & Tips
- History's Greatest TS2068 POKEs and Extras
- Hog Heaven - ROM Entry Points
- How ROMs and EPROMs Compare
- How to Change RAMTOP, Part 1
- IEEE-488 For Sinclair Users
- In and Out of Caps Mode From Within a Program
- Input Cursors (for the TS 2068)
- Inside Your Computer
- Intro to Machine Language
- Journey to the centre of the ROM
- Joystick Applications
- Joystick Connectors
- Joystick Interfaces
- Key Card for TS-2068
- Key Modifications for 2068 Users
- Keyboard Scanning
- Larken ZX-81 Disk Interface
- Layout Guide TS1500
- Lessons Learned on the use of Joystick Ports for I/O
- Lessons Learned on the Use of Joystick Ports for I/O
- Little Goodies for the 2068, Edition 3
- Little Goodies for the 2068, Edition 3
- Little Goodies for the TS 2068, Edition 3
- Logic Families
- Logical Operators
- M/C Bits
- Machine Code Topics: 2068 BASIC ROM Calls
- Math Function Execution Time
- MC68000 CPU (Continued)
- MC68000 CPU Machine Code (cont)
- MC68000 CPU Machine Code Continued
- MC68000 Machine Code (Continued)
- Member's Hints and Tips
- Miscellaneous Magnetic Tape Tidbits
- More About ... the Mystery of the Missing 253
- More on Attributes
- More on Magnetic Tape Cassettes
- More Pokes
- More Timex Sinclair
- Motorola 68060 Microprocessor
- Multiple Program
- Navigating Through the Display File Jungle
- Navigating Through the Display File Jungle
- New 8K ROM Features
- New 8K ROM Potpourri
- Note on copyright; REM skips next line
- Numbers Held Inexactly on the ZX81
- Obscure Commands
- Oi! Maude Someone's Gone and Nicked the Tips Again!
- Oi! Maude Someone's Gone and Nicked the Tips Again!
- Oi! Maude Someone's Gone and Nicked the Tips!
- Oliger Disk Drive Interface Owners
- Oliger Disk Interface With JLO SAFE Specifications
- On Loading Waveforms and Levels
- Operation Codes of the 8080, 8085, and Z80 Processors
- OS-64 Bug
- Parts Substitution List for ZX-81 & T/S-1000
- PEEKing EXROM
- Peeks and Pokes for the TS1000
- Perceptions
- Perceptions
- Picture Popper
- Pin connections of the ZX81 expansion port
- Playing With Electricity
- Playing With Electricity
- Playing With Electricity: Channels and Jobs
- Playing With Electricity: Memory Map
- POKEs, Etc for 2068
- POKEs, Etc for 2068
- Poking Around
- Pot Pourri
- Producing Flashy Listings
- Programmer's Corner
- Programming Tip For October
- Programming Tips
- Programming Tips
- Programming Tips
- Programming Tips for the 2068
- Programming Tips for Timex Sinclair Computers
- Programming Tips on the 2068
- QL Circuit Diagram
- QL Corner: Repair Tips
- QL Keyboard Connections
- QL Keyboard Matrix Chart
- QL Pokes
- QL Printouts
- QL Serial Cable Printouts
- QL Sync Signals
- QL Tip
- QL Tip
- Random Pokes
- Ray Byler's 2068 ROM
- Reading the Joysticks
- Reference Sheet: Z80 Op-code and explanations
- Resistor Guide
- ROM Atlas, Part II
- ROM Disassembly
- ROM Disassembly
- ROM List Delay
- RS-232 Pin Assignments
- Save Memory: Use Buried Color Codes Instead of Color Commands
- Saving Memory
- Secrets of the QL memory
- Setting up the 2068
- Sinclair ZX 16K RAM Pack
- Sinclair ZX 16K RAM Pack Issue 3-SRC104
- Sinclair ZX-81
- Sinclair ZX81 Schematic
- Some Key Points About the TS1000 Keyboard
- Soviet Block Crumbles: Spectrum Secrets Uncovered
- Soviet Block Crumbles: Spectrum Secrets Uncovered
- Spectrum Calls and Pokes
- Spectrum Logic Circuit
- Spectrum ROM Bug
- Spectrum ROM Calls
- Spectrum ROM Entry Points Indexed Alphabetically
- Spectrum ROM Entry Points Indexed By Address
- Spectrum to 2068?
- Spectrum vs TS 2068
- SQ Notes
- SQ Notes: Biorhythms
- SQ Notes: Functions
- SQ Notes: INPUT
- SQ Notes: Math Functions
- Stop Me If You've Heard This Before
- Streaming Along
- Streams and Channels
- String INPUT Hints
- System Variables
- System Variables and Number Storage
- T/S 1000 Reference
- T/S 2000 Tips
- T/S 2068 Color Monitor Difficulties
- Tape Loading: First, Last, and Always
- Tape Records
- Technical Comments Relating to the Sinclair ZX81 and the TS1000 Computers and External 16K RAMs
- That Zero Line Again
- The Anatomy of a Program Line
- The Backplane Map: Spectrum vs 2068
- The Continuing Saga of 64 Columns
- The Function Dispatcher
- The Keyboard Scanning Ports of the TS-2068
- The Logic Operator, NOT
- The Mystery of the Missing 253
- The Mystery of the Missing 253, Part Four
- The Mystery of the Missing 253, Part Three
- The Mystery of the Missing 253: Conclusion
- The Timex/Sinclair User's Encyclopedia
- The ZX80 Keyboard
- The ZX80 Keyboard
- Timex Logic, Part 1
- Timex Logic, Part 1
- Timex Logic, Part 1
- Timex Logic, Part 2
- Timex Logic, Part 2
- Timex Logic, Part 3
- Timex Logic, Part 3
- Timex Logic: The Logic Operator NOT
- Timex Releases 2068 Manual
- Timex Sinclair - ZX Spectrum ROM Routine Look-Up Table
- Timex Tech Manuals Shipped
- Timex Technical Data: Connector Signal Layout
- Timex Technical Data: TS-2068 Schematic
- Timex Technical Data: TS2068 PC Board Component Layout
- Timex Tipbits
- Timex/Sinclair Bus Connections and Equivalents
- Timex/Sinclair Timing
- Tips on ZX81/TS1000 Computer Repair
- To Open (and Close) Sinclair ZX-81 and Timex 1000 Computers
- Trace
- Trace Routine
- Trace: Find Strings
- TS 1000 Notes
- TS 1000 Schematic Diagram
- TS 1500 Innovations
- TS 2020 Schematic
- TS 2020 Schematic
- TS 2040 Printer Schematic
- TS 2040 Printer Schematic
- TS 2040 Printer Schematic
- TS 2068 Bank Switching, Part 2
- TS 2068 HOME ROM Bypass
- TS 2068 POKEs
- TS 2068 Programming Tip
- TS 2068 ROM Disassembly
- TS 2068 Schematic
- TS 2068 Schematic
- TS 2068 Standard Memory Configuration
- TS 2068, Spectrum, ZX-81 Edge Connector signal allocation
- TS-1000 Notes and Tips
- TS-2068 Suppliers
- TS1000(ZX81)/Spectrum/TS2068 Edge Connector Pinouts
- TS1000/ZX81 Schematic
- TS1500 and 16K RAM Pack
- TS1500 Schematic
- TS2000 System Schematic
- TS2068 Back-Plane Expansion System Standard
- TS2068 Connector Pinouts
- TS2068 Home RAM Map
- TS2068 HOME ROM Bypass
- TS2068 Ins and Outs
- TS2068 Ins and Outs
- TS2068 Joystick Operation
- TS2068 Keyboard Scanning
- TS2068 Keyboard Scanning
- TS2068 Personal Computer Technical Reference Manual
- TS2068 Port Assignments
- TS2068 Power Supply Information from QZX
- TS2068 ROM Disassembly
- TS2068 ROM Disassembly
- TS2068 ROM Disassembly
- TS2068 ROM Entry Points Indexed Alphabetically
- TS2068 ROM Entry Points Indexed By Address
- TS2068 Tips
- TS2068 Tips
- TS2068/TC2068 SCLD Pinout
- Two Tips: Colors, VAL$
- Understanding Baud Rates
- Understanding Floating-point Arithmetic, Part 2
- Understanding Floating-point Arithmetic, Part 3
- Understanding Floating-point Arithmetic: Part 1
- Updates
- Useful ROM Routines in the TS 2068
- Using the Larken Sequential/Random Filing System to Produce a TS2068 ROM Disassembly
- Wafadrive Schematic
- Westridge 2050 Modem Operations: A Reference Guide
- X-Modem
- Z80 Chip Organization and 64K Memory Diagram
- Z80 Command and OP Code Reference
- ZX Interfaces Explained
- ZX Memory Map
- ZX Spectrum Tape File Format
- ZX-80 Schematic
- ZX-81 Pokes & Calls
- ZX-81 POKEs & Calls
- ZX/81 Schematic
- ZX/81/TS 1000 Technical-ities
- ZX/TS Power Supplies
- ZX/TS Subset of 2068 Pins
- ZX80 and MicroAce Bus Pinout
- ZX81 Address Decoder
- ZX81 Graphics Template
- ZX81 I/O Map
- ZX81 Logic Signals
- ZX81 Schematic
- ZX81 Schematic
- ZX81/TS1000 Circuit board
- ZX81/TS1000 Tips
- ZX81/TS1000 Tips
- ZX81/TS1000 Tips
- ZX81/TS1000 Tips
- ZX81/TS1000 Tips
- ZX81/TS1000 Tips
- ZX81/TS1000 Tips
- ZX81/TS1000 Tips
- ZX81/TS1000 Tips
- ZX81/TS1000 Tips
- ZX81/TS1000 Tips