6.8.8 INC - DW & DEC - DW
Input/output Operand
Data type
IN
VD, ID, QD, MD, SD, SMD, LD, AC, HC,constant, *VD, *LD, *AC
Double integer
OUT
VD, ID, QD, MD, SD, SMD, LD, AC, *VD, *LD, *AC
Double integer
INC - DW: IN + 1 = OUT Both input and output are 32
bits double integers.
DEC - DW: IN - 1 = OUT
Both input and output are 32
bits double integers.
IN + 1 = OUT
IN - 1 = OUT
The two instructions operations take with symbols.
(16#7FFFFFFF > 16#80000000).
error conditions:
0006
Indirect address
SM1.1
overflow
Special memory bit:
SM1.0
Zero result
SM1.1
overflow
SM1.2
Negative result
Example:
140
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