Playground

Write assembly, assemble it, then run or step through it while the machine state updates.

example

Basic arithmetic with ternary and decimal literals.

presetsclick a line number to toggle a breakpoint · keys: space step · s slow · r run

watch

story mode

capture the run, then replay beat by beat — branches, compares, overflows, memory writes, and I/O, each narrated.

step › (or slow run) and the machine explains each instruction in plain words — where values came from, why flags changed, where branches landed.

No output yet.

run or step the program and every instruction lands here, with its deltas.

0 step(s) recorded

run or step the program and the busiest instructions rank here.

Assemble a program to load the machine.

input buffer (comma-separated words)

nothing written by OUT yet.