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Fix some bugs with the instruction set update; use Call / Return in Snake

Ben Anderman · Jun 7, 2026, 4:03 PM UTC

988ce48902a0

Update instruction set, and asm generator

Ben Anderman · May 26, 2026, 10:41 PM UTC

8af81f49c609

Optimize RAM use when writing instruction set

Ben Anderman · Jan 31, 2026, 9:29 PM UTC

6b59c25c82f1

Add no-flags versions of Add/Sub/AND Immediate

Ben Anderman · Jan 19, 2026, 5:42 AM UTC

be58a357c947

Fix SetPageReg and SetAddrReg microcode

Ben Anderman · Jan 8, 2026, 4:00 AM UTC

034a2508b653

Update code for 74HC-based CPU and programmer board

Ben Anderman · Dec 8, 2025, 5:14 AM UTC

cb538aa55774

Add ShiftL, Mult, conditional ALU calculations, and dynamic mem access

Ben Anderman · May 30, 2021, 6:00 PM UTC

8f411cb6bdb2

Fix Not instruction

Ben Anderman · May 17, 2021, 7:24 PM UTC

28c4707eeb98

Fixes to microcode and program; optimize RAM use and speed for EEPROM writing

Ben Anderman · May 17, 2021, 1:57 AM UTC

ebd469d10ae7

Some refactors and fixes to instruction set and main code

Ben Anderman · May 16, 2021, 5:58 AM UTC

7bfdf1c6d878

Overhaul instruction set to use all modules; new program that uses it; all untested on hardware

Ben Anderman · May 15, 2021, 4:30 AM UTC

32ca0e799196

Add customasm rule gen script; new program generated with customasm

Ben Anderman · May 5, 2021, 8:45 PM UTC

81f0028382b0

Add many more, and conditional instructions; update test program to use them

Ben Anderman · May 5, 2021, 5:47 PM UTC

b0cd0bd83c41

Add test program

Ben Anderman · Apr 26, 2021, 7:31 AM UTC

65a703acdf48

Code to write microinstructions to EEPROMs

Ben Anderman · Apr 26, 2021, 1:01 AM UTC

d5b917d2dec4