Tartarus CVS: ciel chris

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CVSROOT:	/usr/data/cvs
Module name:	ciel
Changes by:	chris	02/02/27 16:27:18

Modified files:
	.              : decode.cc insn_helpers.cc instructions.cc 
	                 optables.cc 
	include        : emulation.h instruction.h logical_ops.h 

Log message:
Fixed two big bugs in indirect byte-addressing modes.
Added neg, 8-bit sub, and sbb instructions.
More versions of and, shr, or, xor.
The register numbers in struct instruction are enum regnum instead of int,
which will make things a bit more readable from gdb.