Legend
4-73
Assembly Language Instructions
Table 4–45. Auto Increment and Decrement
Operation
next A
b9
b8
No modification
0
0
Auto increment
++A
0
1
Auto Decrement
– –A
1
0
Table 4–46. Addressing Mode Bits and adrs Field Description
String†
Addressing Mode Encoding
Relative
Addressing
Clocks
Words
String†
Repeat
Operation
{adrs}
7
6
5
4
3
2
1
0
Addressing
Modes
clk
w
Operation
Clocks
am
Rx (x = 0
…
7)
pm
Direct
2
2
n
R
+4
*dma16
0
0
0
x
0
0
Short relative
1
1
n
R
+2
*R6 + offset7
1
offset7
Relative to R5
1
1
n
R
+2
*Rx + R5
0
1
0
Rx
0
0
Long relative
2
2
n
R
+4
*Rx + offset16
0
0
1
Rx
0
0
*Rx
0
0
Indirect
1
1
n
R
+2
*Rx++
0
1
Indirect
1
1
n
R
+2
*Rx– –
0
1
1
Rx
1
0
*Rx++R5
1
1
† Replace nR with nS for string operation.
Note:
dma16 and offset16 is the second word.
Table 4–47. Flag Addressing Syntax and BIts
Repeat
{flagadrs}
flag addressing mode encoding, flagadrs
Flag
Addressing
Clocks
Words
Repeat
Operation
†
Syntax
6
5
4
3
2
1
0
Addressing
Modes
clk
w
clk
flag address bits
g/r
Global
1
1
n
R
+2
*dma6
dma6
0
Relative
1
1
n
R
+2
*R6+offset6
offset6
1
† nR is RPT instruction argument
Содержание MSP50C6xx
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