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Mainframe assembly language - Journal of Omnifarious

Mar. 7th, 2006

03:33 pm - Mainframe assembly language

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z/OS, it's the only platform I know of (aside from things like wristwatches or pacemakers) where assembly language is taken seriously. Seriously enough that today I watched a demo of a really nice looking assembly level debugger called 'XDC'.

It was a really nice assembly level debugger. It had all kinds of interesting features that I would very much like if I were to do large-scale assembly programming, Even more amusing, it had basically no ability at all to do source level debugging of higher level languages. I don't know if tools to do this even exist on z/OS.

Processor speeds on z/OS are still measured in the 10s of MIPS. So maybe it makes sense to still care about assembly language. But I somehow doubt it.

All in all, z/OS is a very bizarre platform for any number of reasons. And it's kind of interesting to be learning so much about it.

Current Mood: [mood icon] amused


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Date:March 8th, 2006 04:15 pm (UTC)
i'll never be able to do anything in-depth/useful with assembly, but assembly is close to the top in my list of all-time-fav-things-programming-related. I think because it's so low-level, 1-to-1 and non-abstract, I loved it.
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