45 lines
2.3 KiB
Markdown
45 lines
2.3 KiB
Markdown
---
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layout: post
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title: Revisiting OS/2
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date: 2015-12-27 11:00:00
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category: OS/2
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permalink: /blog/2015/12/27/
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machines:
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- type: pc-dbg
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id: ibm5170
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config: /disks/pc/os2/ibm/1.0/machine.xml
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---
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Just for fun (because I have a warped sense of fun), I decided to revisit some of the old OS/2 software I wrote
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almost 30 years ago. But first, I needed an OS/2 development environment.
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So I started with a clean install of IBM's OS/2 1.0 in the [8Mhz IBM PC AT](/disks/pc/os2/ibm/1.0/) machine
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below, by booting from the "IBM OS/2 1.0 (1.44M Install)" diskette in drive A and reformatting the machine's 20Mb
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drive C.
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Next, I installed the [MS OS/2 SDK 1.02](/disks/pc/tools/microsoft/os2/sdk/1.02/). This SDK was released
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in December 1987 along with [Microsoft OS/2 1.0](/disks/pc/os2/microsoft/1.0/). I don't have any of the
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printed documentation that came with the SDK, such as the *Installation Guide*, but I do have the
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[Microsoft® Operating System/2 Programmer’s Toolkit](/pubs/pc/programming/os2/microsoft/ptk/1.0/) documentation
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from March 1988, thanks to the [OS/2 Museum](http://www.os2museum.com/wp/os2-history/os2-library/os2-1-x-programming/).
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Aside from Microsoft's assembler (MASM) and C compiler (CL), the SDK included some other useful tools, such as the
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**SDK Editor** (SDKED), which was essentially an OS/2 port of Mark Zbikowski's Editor (Z) that was used internally
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at Microsoft for many years. It was renamed to the **Microsoft Editor** (M or MEP) with the release of Microsoft C
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5.1, and it was later integrated into **Programmer's Workbench** (PWB), the text-mode Integrated Development
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Environment (IDE) that came with Microsoft C 6.0.
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With the introduction of graphical IDEs, such as Visual BASIC in 1991, Visual C++ in 1993, and Visual Studio in 1995,
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this stand-alone, text-mode editor became obsolete, but in the 1980s, it was an essential tool.
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You can learn more about [SDKED](/disks/pc/tools/microsoft/os2/sdk/1.02/#using-sdked) on the
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[MS OS/2 SDK 1.02](/disks/pc/tools/microsoft/os2/sdk/1.02/) page. I'll be adding a complete list of all the files
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that came with SDK to that page in the near future.
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To boot IBM OS/2 1.0 and tinker with the [SDK](/disks/pc/tools/microsoft/os2/sdk/1.02/), scroll down and
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click the "Run" button.
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{% include machine.html id="ibm5170" %}
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*[@jeffpar](http://twitter.com/jeffpar)*
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*December 27, 2015*
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