A JavaScript based Z80 Disassembler and Simulator

Binary Code (Hex-Binary)

Binary Code (I08HEX or S-Record Format)

Z80 Archictecture and Register

I

R

W'

Z'

B'

C'

D'

E'

H'

L'

W

Z

B

C

D

E

H

L

IX

IY

SP

PC

A'

A

F'

F

Out

Image credit: Appaloosa, 17 October 2007, https://commons.wikimedia.org/wiki/File:Z80_arch.svg

Z80 Disassembler and Simulator

N Auto Step Hz
Addr Bkpt1 Bkpt2

Output

Disassembly

address cmd+data mnemonic

Exceution Log

step address cmd+data mnemonic

Call Graph

SVG Call Graph of Excecution

Address Based Flow Graph

SVG Flow Graph of Excecution

Further reading

Zilog Z80 CPU User Manual http://z80.info/zip/z80cpu_um.pdf
Z80 Family Interrupt Structure by Michael Moor http://z80.info/1653.htm
Kurze Übersicht über die Befehle des Z80 by Matthias Buchhorn https://www.mikrocontroller.net/attachment/235150/Instruction_Card_Z80.pdf
Z80 Instruction Set http://wikiti.brandonw.net/index.php?title=Z80_Instruction_Set