z80dasm ☆

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Description:
Disassembler for the Zilog Z80 microprocessor and compatibles

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: z80 disassembler assembly reverse-engineering retro-computing

Install: brew install z80dasm

About:
Z80dasm is a command-line disassembler that translates raw Z80 machine code into human-readable assembly language. It supports various output formats and address modes, making it invaluable for reverse engineering legacy software and analyzing embedded system firmware.

Key Features:

Supports both binary and Intel HEX file formats
Configurable output formatting with label generation
Handles common Z80 opcodes and undocumented instructions
Generates relocatable assembly code

Use Cases:

Reverse engineering vintage computer software and games
Analyzing firmware from embedded Z80-based devices
Educational purposes for learning Z80 assembly

Alternatives:

z80ex – Z80ex is a library that provides disassembly capabilities but requires more integration work compared to z80dasm's standalone tool approach
radare2 – Radare2 is a comprehensive reverse engineering suite with Z80 support, but it's much heavier and more complex than the focused z80dasm utility

Version History

Detected	Version	Rev	Change	Commit
Sep 11, 2025 7:05pm		0	VERSION_BUMP	28d65715
Sep 14, 2024 3:10am		0	VERSION_BUMP	2ef21875