---
title: "Software Review: ZXAS-ZXDB"
type: "article"
slug: "software-review-zxas-zxdb"
url: "http://localhost/article/software-review-zxas-zxdb/"
markdown_url: "http://localhost/article/software-review-zxas-zxdb.md"
published_at: "2026-03-13T00:32:14+00:00"
modified_at: "2026-03-13T00:32:15+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Review of ZXAS (Z80 assembler) and ZXDB (disassembler-debugger) from Bug-Byte, distributed by Gladstone Electronics. ZXAS supports 256 labels, standard Z80 mnemonics via REM statements; ZXDB offers 10 single-key commands including breakpoint and single-step execution with register display."
category:
  - name: "Syntax"
    slug: "syntax"
    taxonomy: "category"
    url: "http://localhost/category/periodicals/syntax/"
post_tag:
  - name: "Machine language programming"
    slug: "machine-language"
    taxonomy: "post_tag"
    url: "http://localhost/tag/machine-language/"
  - name: "Software review"
    slug: "software-review"
    taxonomy: "post_tag"
    url: "http://localhost/tag/software-review/"
model:
  - name: "Timex/Sinclair 1000"
    slug: "ts-1000"
    taxonomy: "model"
    url: "http://localhost/model/ts-1000/"
indiv:
  - name: "Larry Dighera"
    slug: "larry-dighera"
    taxonomy: "indiv"
    url: "http://localhost/indiv/larry-dighera/"
publication_r:
  id: 10246
  title: "Syntax"
  type: "periodical"
  url: "http://localhost/periodical/syntax/"
authors_r:
  - name: "Larry Dighera"
    slug: "larry-dighera"
    taxonomy: "indiv"
    url: "http://localhost/indiv/larry-dighera/"
volume: "3"
issue: "4"
issues_articles:
  - id: 52478
    title: "Syntax/Syntax ZX80 v3 n4"
    type: "issue"
    url: "http://localhost/issue/syntax-syntax-zx80-v3-n4/"
pages: "10"
pubdate: "April 1982"
archive_link: false
---

# Software Review: ZXAS-ZXDB

Review of ZXAS (Z80 assembler) and ZXDB (disassembler-debugger) from Bug-Byte, distributed by Gladstone Electronics. ZXAS supports 256 labels, standard Z80 mnemonics via REM statements; ZXDB offers 10 single-key commands including breakpoint and single-step execution with register display.