Filter
Top Products
Individual Instruction Descriptions
4-172
4.14.76 SHRAC Shift Accumulator Right
Syntax
[label] name dest, src, [, mod] Clock, clk Word, w With RPT, clk Class
SHRAC An[~], An[~] [, next A] 1 1 n
R
+3 3
Execution [premodify AP if mod specified]
dest ⇐ src >> 1
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
SHRAC An[~], An[~] [, next a] 1 1 1 0 0 next A An 0 1 0 1 1 0 A~ ~A
Description Premodify accumulator pointer if specified. Shift source accumulator src or its
offset to right one bit and store the result into dest accumulator or its offset.
MSB of result will be set according to extended sign mode (XM) bit in the status
register.
Example 4.14.76.1 SHRAC A1, A1
Shift right one bit the accumulator A1.
Example 4.14.76.2 SHRAC A1~, A1, ++A
Preincrement by one accumulator pointer AP1. Shift right one bit the newly pointed accumulator A1,
and store result to offset accumulator A1~.