Looking for Johnson's pcc DG Nova and Eclipse 3473
Eric Smith Actually looking at Dennis Ritchie's HOPL-II presentation I think the best interpretation is his conclusion on "how to succeed": * Here's how to succeed: by being lucky. Grab on to something * that's...
For the moment, I am just going to look at the routines to see how feasible such a hack would be.
The "small-c:PC compiler by Ron Cain" is version 1.1, and I have no idea where I originally got it. Probably off some BBS. The original files are dated 1985. I am more familiar with this version as I converted it from C to Basic at some point.
The later version is still available online, and it would be a better place to start. This copy matches the ones that I have on file:
I will look at this versions code generating routines.
The compiler is only 4 small source files. :-)
Most of it looks reasonable, except I have no idea about the lcc parts.
The stack instructions only apply to the Nova 3 & later -- none of my hardware has it. The FP instructions were always optional, and, of course, I don't have them either.
IRIS used decimal floating point subroutines in 3 sizes with 6 to 14 decimal digits of accuracy.
Hmm, maybe I should grab that routine and add it to my basic compiler. --
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