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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
Strin
g†
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
R
x
(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 *R
x
+ R5 0 1 0 R
x
0 0
Long relative 2 2 n
R
+4 *R
x
+
offset16
0 0 1 R
x
0 0
*R
x
0 0
Indirect
1
1
n
R
+2
*R
x
++ 0 1
Indirect
1
1
n
R
+2
*R
x
––
0 1 1
R
x
1 0
*R
x
++R5 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
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
†
n
R
is RPT instruction argument