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IBM Macro Assembler/2

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IBM Macro Assembler/2 was IBM's version of the Microsoft Macro Assembler specifically modified to support OS/2 and still PC DOS.

Description

It is based on Microsoft Macro Assembler version 4.x and lacks features introduced later with MASM 5 such as Simplified Segment Directives, thus it pre-dates and differs slightly from the Microsoft version 5.1 that was the first OS/2 capable MASM from Microsoft, it was replaced by the IBM ALP Assembler in the mid 90's.

Version

  • 1987: IBM Macro Assembler/2 Version 1.00

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