Reference

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

Documents

• Connection Diagram for J1 on the 2050 Modem Board
• Installing Timex/Sinclair 2068 Emulators
• TS2068 Complete System Variables Map
• Using MCODER2