User's Manual

DESCRIPTION OF INSTRUCTIONS
291
39. INC DPTR (Increment data pointer)
10100011
70
Instruction code
Operation
Number of bytes
Number of cycles
Flags
(PSW)
Description
Example INC DPTR
Instruction code
: Byte 1
(DPTR)←(DPTR)+1:
C AC F0 RS1 RS0 OV F1 P
:
:
:
16-bit contents od the data pointer (DPH·DPL) are incremented
by 1.
:
10100011
70
Byte 1
1
2
:
Before execution
DPH
15 8
0110100011111111
70
After execution
DPH
15 8
0110100100000000
70
DPL
DPL