Articles (15)
| Title | Author(s) | Publication | Date |
|---|---|---|---|
| Beginners’ ML — Register to Register Examines the loading, adding and subtracting instructions. Number 5 in series. | Syntax | May 1982 | |
| Binary Addition and Subtraction The point to learning how to add and subtract binary numbers is to see how “carries” are generated and what... | Syntax | February 1982 | |
| Binary Representation Knowing how to manipulate individual bits in your ZX80 is essential for efficient Machine Code programmming, so knowing what bits... | Syntax | January 1982 | |
| Exchanging Registers, Part 6 In addition to the eight registers A,F,B,C,D,E,H and L covered in an earlier article, the Z80 (central processing unit in... | Syntax | June 1982 | |
| How to Invent a Game – Inside Flattop Lander (MCD) The conception and initial game design of Flattop Lander and the Machine Code subroutine that will produce an instant display. | SYNC | January/February 1982 | |
| How to Invent a Game, Part 2 Finishing the programming for the game. | SYNC | March/April 1982 | |
| Loading Registers with Data (Part 4) Fourth installment of the machine code programming series, covering Z80 load instructions: loading immediate data into registers (LD B,6), loading... | Jonathan Bobst | Syntax | April 1982 |
| Machine Code — CP Branching Tests CPs are 1-3 byte codes that compare two numbers. More exactly, they subtract the number you are looking for from... | Syntax | August 1982 | |
| Machine Code Programming: #9, Testing Bits for Branching You can test any bit in any address simply by loading a register and choosing the right instruction code. | Syntax | September 1982 | |
| MC Programming #11: Storing MC Subroutines in REM While you can store machine code subroutines anywhere in your BASIC program, the best place is 1 REM (& 2... | Syntax | November 1982 | |
| MC Programming #12: Calling and Returning Tutorial on machine language programming. | Syntax | December 1982 | |
| MC Programming #9: Jumping Around Most of the machine code subroutines held in REM will be be short around 100 instructions and data. Consequently, you... | Syntax | October 1982 | |
| MC Programming: PUSHing and POPping (Part 7) Seventh installment of the machine code series, covering the Z80 PUSH and POKE stack instructions for preserving register pairs during... | Jonathan Bobst | Syntax | July 1982 |
| The Flags Register Part 3 of series on machine code programming. | Syntax | March 1982 | |
| The Flags Register (Part 3) Third installment of a 12-part machine code programming series. Explains the Z80 Flags register bits (Sign, Zero, Half-carry, Parity/Overflow, Add/Subtract,... | Jonathan Bobst | Syntax | March 1982 |