K 10
svn:author
V 3
ken
K 8
svn:date
V 27
2001-04-04T22:50:57.000000Z
K 7
svn:log
V 290
Don't allow immediate values of 0 for operations that can take either an
immediate value or the accumulator.  0 is the chip's internal
representation for the accumulator, and so 0 is an invalid immediate value
when the accumulator can also be specified as an argument.

Submitted by:	gibbs

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