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Individual Instruction Descriptions
4-98
4.14.16
EXTSGN
Sign Extend Word
Syntax
[label]
name
dest [, mod]
Clock, clk
Word, w
With RPT, clk
Class
EXTSGN
An[~] [, next A]
1
1
n
R
+3
3
Execution
[premodify AP if mod specified]
new most significant word of dest
⇐
STAT.SF
PC
⇐
PC + 1
Flags Affected
None
Opcode
Instructions
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
EXTSGN An[~] [, next A]
1
1
1
0
0
next A
An
0
1
1
1
1
0
0
~A
Description
Copy accumulator sign flag (SF) to all 16 bits of An[~].
See Also
EXTSGNS
Example 4.14.16.1
EXTSGN A0~, ++A
Preincrement accumulator pointer AP0. Sign extend the accumulator A0~.
Summary of Contents for MSP50C6xx
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Page 296: ...Instruction Set Summay 4 210 Assembly Language Instructions...
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