---
title: "JLO SAFE DOS v2.51 Disassembly"
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slug: "jlo-safe-dos-v2-51-disassembly"
url: "http://localhost/document/jlo-safe-dos-v2-51-disassembly/"
markdown_url: "http://localhost/document/jlo-safe-dos-v2-51-disassembly.md"
published_at: "2024-03-22T11:31:39+00:00"
modified_at: "2026-03-15T19:51:46+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Z80 assembly language disassembly of the jlo safe dos v2.51 ROM or program."
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  - name: "John Oliger Co."
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  - name: "TS 2068"
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doc_author: "John Oliger"
document_url: "https://archive.org/details/johnloliger/JLO%20SAFE%202.51%20Disassembly/"
pages: 47
document_date: "1988"
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    title: "Disk Board B with NMI Save"
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    title: "John Oliger Co."
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---

# JLO SAFE DOS v2.51 Disassembly

Z80 assembly language disassembly of the jlo safe dos v2.51 ROM or program.