Texas Instruments MSP50C614 User Manual
Page 220
Individual Instruction Descriptions
4-128
4.14.35
MOVSPHS
Move String With Subtract From PH
Syntax
[label]
name
dest, src, src1
Clock,
clk
Word,
w
With RPT,
clk
Class
MOVSPHS
A
n, MR, {adrs}
Table 4–46
Table 4–46
1b
Execution
A
n
⇐
A
n (second word) – PH
MR
⇐
contents of {
adrs}
PC
⇐
PC +
w
Flags Affected
TAG, 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
MOVSPHS A
n, MR, {adrs}
0
1
1
0
0
1
1
A
n
adrs
x
dma16 (for direct) or offset16 (long relative) [see section 4.13]
Description
Move data memory word string to MR, subtract PH from second word A
n
string. Store result in A
n. Certain restrictions apply to the use of this instruction
when interrupts are occuring on the background. See Section 4.8 for more
details.
See Also
MOVSPH, MOVAPH, MOVAPHS, MOVTPH, MOVTPHS
Example 4.14.37.1
MOVSPHS A0, MR, *R3+R5
Load the content of byte address created by adding R3 and R5 to MR register. At the same time, subtract
PH register from second word of A0 string, store result in A0 string.