[comp.binaries.mac] Macintosh Technical Notes - 146 Notes on MPW's -mc68881 Option

bytebug@dhw68k.cts.com (Roger L. Long) (07/30/90)

[6/90 Macintosh Technical Notes - 146 Notes on MPW's -mc68881 Option]

Revised by: Mark Baumwell & Rich Collyer		       June 1990
Written by: Bryan Stearns				       July 1987

This Technical Note discusses MPW's -mc68881  option,  which  represents
Extended  values  in 96 bits (instead of 80, as with software SANE), and
compatibility issues when using non-SANE system calls that expect 80-bit
Extended values.

Changes since March 1988:  Added a warning to explicitly check  for  the
presence  of  an  FPU if an application uses floating point instructions
and removed  a  sentence  which  implied  that  all  Macintosh  II-class
machines would have built-in FPUs.

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---