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Article #43247

6839 ROM

#43247
From: RICHKOTTKE
Date: Fri, 17 Dec 1993 06:51
18 lines
1765 bytes
Brian,
    The code for the 6839 floating point ROM is in the Public Domain.
I have it, it assembles into an OS-9 module (!) called "fpo9".
The module supports all of the IEEE proposed standard implementations
for floating point math, including singles, doubles, extended numbers
AND full exception processing.  And somehow it all fits in 8k.
    The downside is that it is even slower than math in BASIC09.
But if you want a copy, it's available on Delphi (tm) in the OS-9
section.  It's called (of course) FPO9.  If you get the code from cabrales
instead, I think you will have to convert the S-record code into the
binary, unless you have an ancient Motorola assembler (the source code
doesn't work on Microware assemblers).
    As for the 6844, it would have been nice but it turned out to be
vaporware.  Or is that the right term for hardware?  Maybe specware would
be better.

Holiday Cheer!
   -Rich
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Subject: 6839 ROM
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