Last updated: 2022-04-20 17:31:36.

zasm is a multiple pass assembler for the historic 8-bit CPU Zilog Command Line Options: --z80
Pseudo instructions: .z80, .z180 and .8080
Targets: #target Z80Z80 and it's variants, e.g. Intel 8080 (it's predecessor) or the Command Line Options: --z180
Pseudo instructions: .z80, .z180 and .8080Z180 / HD64180.

zasm is available for Unix-like operating systems like OSX, Linux, BSD.

New in version 4.4:

#TEST segments to run automated tests on the generated code.

Download page and Git archive:

https://k1.spdns.de/Develop/Projects/zasm/Distributions/
https://github.com/Megatokio/zasm
https://github.com/Megatokio/Libraries

Online Assembler

A cgi script is running on my pc which allows to assemble Command Line Options: --z80
Pseudo instructions: .z80, .z180 and .8080
Targets: #target Z80Z80 sources online.
It supports mostly everything, you can even include c sources. :-)
https://k1.spdns.de/cgi-bin/zasm.cgi

Please send bug reports to Kio.

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