Machine language programming

Articles

• 2068 Machine Code in a DATA Statement
• 2068 Notes: A Tutorial on Machine Code Programming
• 2068 Notes: A Tutorial on Machine Code Programming, Parts 3 & 4
• 2068 Peculiarities
• 2068 Print Command Compiler
• 2068 Window
• 40 Best Machine Code Routines for the ZX Spectrum
• 64 Column BASIC
• 8K Machine Code Keyboard Scanning
• 8K MC Video Invert Routine
• A Fast Well-Behaved Pattern Flood Fill
• A Machine Code Graphics Line Drawing Subroutine
• A Machine Code Program with 1 Pop
• A Right-to-Left Pixel-by-Pixel Screen Scroll
• A Save Nothing File
• A Z80 machine language program to use the ZX81 as an audio frequency counter
• Accessing LKDOS from Machine Code
• Advancing Machine Code Programming
• An Introduction to Machine Code
• An Introduction to Machine Code
• Applying the ZX Assembler
• Applying the ZX Assembler
• Applying the ZX-Assembler
• Automating the Data Line
• Bank Switching the 2068
• Basic at a Stretch
• Basil's Compendium: Addition, Overflow, Carry
• Basil's Compendium: Deluxe Loader Program
• Basil's Compendium: Go To/Go Sub
• Basil's Compendium: Let A = ...
• Basil's Compendium: LET A= ...
• Basil's Compendium: PEEK, POKE & USR
• Basil's Compendium: Where to Put the Program
• Basil's Compendium: Why Use Machine Code?
• Basils' Compendium: Basic Machine Code for the ZX-81/TS1000
• Beginning Z80 Machine Code, Lesson 1
• Beginning Z80 Machine Code, Lesson 10
• Beginning Z80 Machine Code, Lesson 2
• Beginning Z80 Machine Code, Lesson 3
• Beginning Z80 Machine Code, Lesson 4
• Beginning Z80 Machine Code, Lesson 5
• Beginning Z80 Machine Code, Lesson 6
• Beginning Z80 Machine Code, Lesson 7
• Beginning Z80 Machine Code, Lesson 8
• Beginning Z80 Machine Code: Final Lesson
• Binary Addition and Subtraction
• Bob's Notebook: Digital Clock for the TS 2068
• Bob's Notebook: Toolkit, Part 1 Renumber Functions
• Bob's Notebook: TS2068 Interrupts
• BufPrint
• Character Set Rotation
• Concatenating Machine Code
• Digitize Sound from Tape
• Entering and Recalling Text in Machine Code
• Entering and Recalling Text in Machine Code
• Entering and Recalling Text in Machine Code
• Examining Machine Code
• Filler Up: For the TS 1000/ZX81
• For Fun: Life in Machine Code
• Graphic Pointer
• Halt Right There!
• Hex Loader
• HEXEDIT: A Simple Hexadecimal Machine Code Editor
• HOT Z-2068
• How to Produce a Display File Using Machine Code
• In and Out of Machine Language
• In Sync: Exploring 2068 Video Modes
• Instant Sorting
• Intro to Machine Language
• Introduction to 2068 Machine Code
• ISMOVE: A Simple Moving Graphic in Machine Code
• Language Machine Initiation
• Large Letters for the 8K, 2K Machine
• Learning Z80 Assembly Language Programming
• Learning Z80 Assembly Language Programming, Part 2
• Learning Z80 Assembly Language Programming, Part 3
• LKDOS Machine Language CALLs Explained
• Location for Machine Code
• Looping in Machine Code
• M/C GOTO Basic
• Machine Code -- CP Branching Tests
• Machine Code and Your TV Screen
• Machine Code Corner
• Machine Code Corner
• Machine Code Corner
• Machine Code Demo for the 2068
• Machine Code Development System For Your Timex Sinclair 1000
• Machine Code Development System For Your Timex Sinclair 1000 Part II
• Machine Code Execution Above 32K
• Machine Code for the Masses
• Machine Code for the Masses: Part 2
• Machine Code Graphics Demo
• Machine Code Graphics Loop
• Machine Code Graphics: The TS1000 Display File
• Machine Code Group Highlights
• Machine Code Joystick Routine
• Machine Code Keyboard Scanning Program
• Machine Code Lecture Notes, Part Two: Eight Bit Manipulation
• Machine Code Loader
• Machine Code Magic
• Machine Code Magic - 2
• Machine Code Magic - 3
• Machine Code Magic II
• Machine Code Monitor
• Machine Code Notes
• Machine Code Print Routine
• Machine Code Programming
• Machine Code Programming - Multiplication and Division
• Machine Code Programming -- Understanding the Stack
• Machine Code Programming (part 1)
• Machine Code Programming (part 2)
• Machine Code Programming (part 3)
• Machine Code Programming (part 4)
• Machine Code Programming (part 5)
• Machine Code Programming Handouts
• Machine Code Programming: #9, Testing Bits for Branching
• Machine code refreshes parts Basic cannot reach
• Machine Code Screen Fill
• Machine Code Topics: 2068 BASIC ROM Calls
• Machine Code Topics: How to Write Relocatable Z80 Code
• Machine Code Trace
• Machine Code Track Reader
• Machine Code Tutor
• Machine Code Tutor: A Comprehensive Review
• Machine Language Program to Read T/S 2068 Tape Headers
• Machine Language Programming - Logical Functions
• Machine Language Programming on the Timex/Sinclair
• Machine Language Scroll Routine
• Machine Language Storage in REM
• Machine Language Teaches the ZX80 to READ
• Machine Language Teaches the ZX80 to READ
• Making Backups for Machine Language Tapes
• Making Code Relocatable
• Mastering Machine code on Your ZX81
• Mastering Machine Code on Your ZX81
• MC Inkey$ Subroutine
• MC Pointers
• MC Pointers, Part Two
• MC Programming #11: Storing MC Subroutines in REM
• MC Programming #9: Jumping Around
• Micro-Coding Simplified
• Mike's Notebook: BITS
• Mike's Notebook: MKDATA
• Mike's Notebook: PARSE64
• More Programming Tips For The T/S1000
• New Locations for M/C Routines in a 64K RAMpack
• Peeking and Poking About
• PLOT, CLS and SCROLL on the TS2068
• Poke: Small Change for Machine Language Pokers
• Preparing for Machine Language Programming
• Printers and Printer Control
• Program Merging for Free
• Reading Machine Code Assembly
• Relocate
• Relocating Machine Code Programs - TS-2068
• Relocating Machine Code Programs in the TS-2068
• Relocating Machine Code Programs in the TS2068
• Run TS1000 Machine Code in High Memory
• Running MC in a String Variable
• Safe Machine Code Routines
• Saving a Headerless File Using a Machine Code Routine
• Screen Reader
• Send a 2068 Message
• Spectrum Machine Code on 2068
• Spectrum MC on 2068
• The Absolute Beginner's Guide to Machine Code Programming on the ZX81/TS1000/TS1500
• The Computer Tutor: Reverse Scroll with Machine Language Subroutine
• The Continuing Adventures of the Flashing Cursor or Highlights from the September Machine Language Group Meeting
• The Flags of the 8K ROM Program
• The Flags Register
• The ZX Serial Link: Using the Cross Assembler
• Timex Tips
• To Change Screen Attributes Without Affecting Display
• Totally Safe Machine Code for the ZX81 and TS1000
• Totally Safe Machine Code for TS 1000
• Transferring Machine Code from a TS1000/ZX81 REM Statement to the TS2068 Using Upload 2000 or Firstloader
• TS 1000 Machine Code Programming
• TS-2068 Data Input - a utility for: data base generation, keyboard reading, character concatenation, screen display, full editing
• TS2068 Machine Code Helpers
• Ultra Hi-Res Graphics on the Timex 2068
• Using BASIC String/Arrays in Machine Code Programs
• What's So Difficult About ZX-80 Machine Code?
• Where to Put Machine Code
• Why Machine Code?
• Why Use Machine Language
• Z80 Extra Op Codes
• Zone Selection
• Zone Selection Notes
• ZX Programming
• ZX81 LARKEN Drive Select

Documents

• Arctic Z-80 Assembler v1cr

Blog posts

• Machine Language Programming on the Timex/Sinclair 2068