Re: Where do I start?
Rick Fochtman <[email protected]>
| Newsgroups | gmane.comp.emulators.turnkey-mvs |
|---|---|
| Message-ID | <[email protected]> |
-------------------------------<snip>-----------------------------
For that chunk of assembly language I begged earlier
It looks like the following registers are unused: (they are not
mentioned in the program)
0 ?
2,3
5,6,7
9,10,11
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That's not at all unusual. Just because you have 16 registers (0-15)
available doesn't mean you have to use them. :-)
Some of those registers you didn't mention have special uses in
entry/exit linkage. 0,1,13,14,15 are linkage registers, with
well-defined purposes during entry/exit linkage.
Rick
<mailto:[email protected]?subject=Re:%20%5Bturnkey-mvs%5D%20Where%20do%20I%20start?>