Auto Increment And Decrement; Addressing Mode Bits And Adrs Field Description; Flag Addressing Syntax And Bits - Texas Instruments MSP50C614 User Manual

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