DOS · Free download · Assembly Language

AS80v1.30

is an assembler for the Intel 8080 and 8085 and Zilog Z80 microprocessors.

Operating system
DOS
File size
60 KB
License
Freeware
Last updated
Jan 15, 2025

380 downloads·1218 page views

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Overview

What is AS80?

is an assembler for the Intel 8080 and 8085 and Zilog Z80 microprocessors.

In depth

A closer look at AS80

It reads input from an ASCII text file, assembles this into memory, and then writes a listing and a binary or hex file.

Features of AS80 include: fast two-pass assembly; support for binary, s-records or intel-hex output file formats; optional generation of a debug information file; three segments (code, data, bss) for ROM-based programs; a 'struct' keyword for easy declarations; an instruction cycle count in the listing; full conditional assembly with CPU identifying defines; C-style expressions; support for long file names when running in a Windows DOS box; and full macro capability.

It accepts 8085, Z80 and Z180 instruction set extensions to the 8080. This can be enabled from the commandline using -x option.

AS80 runs under MS-DOS 3.x+ or compatible systems.

Verdict

Should you download AS80?

AS80 runs on DOS and is available under the Freeware license — the installer is 60 KB. We’ve catalogued it under Assembly Language.

Verified clean. Every AS80 build on SoftLookup is scanned for viruses, spyware, adware, trojans and backdoors. We re-test on every update.
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At a glance

AS80 specifications

Publisher
Frank Vorstenbosch
Last updated
Jan 15, 2025
License
Freeware
Operating system
DOS
File size
60 KB
Price
Free
Page views
1218

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