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Individual Instruction Descriptions
4-146
4.14.51 NOTACS One’s Complement Negation of Accumulator String
Syntax
[label] name dest, src Clock, clk Word, w With RPT, clk Class
NOTACS An[~], An[~] n
S
+2 1 n
R
+2 3
Execution dest ⇐ NOT src
PC ⇐ PC + 1
Flags Affected OF, SF, ZF, CF are set accordingly
Opcode
Instructions 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
NOTACS An[~], An[~] 1 1 1 0 0 1 1 An 0 0 0 0 1 0 A~ ~A
Description Perform one’s complement of src accumulator string and store result in dest
accumulator string.
See Also NOTAC, AND, ANDB, ANDS, OR, ORB, ORS, XOR, XORB, XORS, NEGAC,
NEGACS
Example 4.14.51.1 NOTACS A3~, A3
Take the one’s complement (invert bits) of the accumulator string A3 and put result in accumulator string
A3~.