by Microsoft Software
Platform:
Windows NT 4 / 953 used & new from $52.69
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When your application has to run at the absolute fastest, you need the Microsoft MASM assembly-language development system. Now MASM runs in the Windows 95, Windows NT, Windows 3.1 and MS-DOS operating systems. Complete documentation, Pentium processor support, instruction timings, and other features make MASM the best tool for serious assembly language development.