Day 27 and I'm playing more with the screen rendering. I'm going to need to re-read this though as there's a lot to unpack in this section. Nice bit through is there's some baked-in shortcuts in the ZX Spectrum for mapping screen memory that I remember reading in the ULA …read more
Learning Challenge: ZX Spectrum machine code: Day 26
Day 26 and I looked into how to handle 16 bit loops. Spending a little time while my father-in-law is in the hospital for observation keeping my mind occupied. Looking into how to do the example code that the book showed in BASIC and translate it to Machine Code. Fun …read more
Learning Challenge: ZX Spectrum machine code: Days 25
Day 25 found me in the emergency room waiting for my father-in-law to get checked out. Played around a little bit more with the screen rendering section of the book and tried to replicate the small basic program in there in machine code. Unfortunately I didn't quite understand how to …read more
Learning Challenge: ZX Spectrum machine code: Days 24
Tonight's foray in the machine code had me type in the Draughts program from page 83 and save it to tape. After a few false starts with the emulator I have a copy of my program on a virtual tape.
Sometimes it's the little things that matter.
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