I Like Assembler
It was the first language I "learned." I was twelve, didn't have a computer, so I learned on paper. And apparently it worked, because a year later, when I finally sat down at a machine, my first progr
Apr 12, 20269 min read
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Command-line tools for the assembler
ASM80 lives in the browser, and for most people that's fine. But if you want to run the assembler from a Makefile, a CI pipeline, or a script that also compiles C code for a Z80, clicking "Build" in a
Apr 5, 20267 min read
Live Coding in ASM80: run your assembly without leaving the editor
Here's a Z80 loop. Open ASM80, paste it in, and just watch. ; <LIVESTART maxT=500000> ; <SEED A=0x00, B=10, HL=0x4000> loop: add a, b djnz loop ; <TRACE A, B>
Mar 28, 202610 min read
Running a 1976 Computer in Your Browser
I built a KIM-1 emulator that runs inside ASM80. Here is how, and why, and which parts fought back. The Machine That Started Everything In 1975, MOS Technology had a problem. They had designed the 650
Mar 22, 202617 min read