88 zac zero accumulator – Texas Instruments MSP50C6xx User Manual
Page 273
Individual Instruction Descriptions
4-187
Assembly Language Instructions
4.14.88
ZAC
Zero Accumulator
Syntax
[label]
name
dest [, mod]
Clock, clk
Word, w
With RPT, clk
Class
ZAC
An[~] [, next A]
1
1
n
R
+3
3
Execution
[premodify AP if mod specified]
dest
⇐
0
PC
⇐
PC + 1
Flags Affected
ZF = 1
Instructions
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
ZAC An[~] [, next A]
1
1
1
0
0
next A
An
0
0
0
1
1
0
0
~A
Description
Zero the specified accumulator. Preincrement or predecrement accumulator
pointer APn, if specified.
See Also
ZACS
Example 4.14.88.1
ZAC A2
Reset the content of accumulator A0 to zero.
Example 4.14.88.2
ZAC A1~, ++A
Preincrement AP1 by 1. Reset the content of new accumulator A1~ to zero.