Individual Instruction Descriptions
4-160
4.14.64
SFLAG
Set Memory Flag
Syntax
[label]
name
dest
Clock, clk
Word, w
With RPT, clk
Class
SFLAG
{flagadrs}
1
1
N/R
8a
Execution
memory flag bit at {flagadrs} data memory location
⇐
1
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
SFLAG {flagadrs}
1
0
0
1
1
1
0
1
0
1
flagadrs
Description
Set flag at addressed memory location. {flagadrs} includes two groups of
memory flag adrresses: global flags, which are the first 64 words in RAM; and
relative flags, which are 64 locations relative to the page register (R6). Flag
address {flagadrs} only accesses the 17
th
bit.
See Also
RFLAG, STAG, RTAG
Example 4.14.64.1
SFLAG *R6+0x12
Sets the flag bit of the RAM word addressed by R6 plus 0x0002. Note that R6 contains a byte address
and 0x0002 is interpreted as a word offset.
Summary of Contents for MSP50C6xx
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