DR805x Instructions set details
- 37 -
3.13.3.
Operation:
INC
DIRECT
(PC)
←
(PC) + 2
(direct)
←
(direct) + 1
2
4
Bytes:
Cycles:
Encoding:
0
0
0
0
0
1
0
1
direct address
3.13.4.
Operation:
INC @R
I
(PC)
←
(PC) + 1
((Ri))
←
((Ri)) + 1
1
4
Bytes:
Cycles:
Encoding:
0
0
0
0
0
1
1
i
3.13.5.
Function:
INC DPTR
Increment data pointer
Description:
Increment the 16-bit data pointer by 1. A 16-bit increment (modulo 2 16)
is performed; an overflow of the low-order byte of the data pointer (DPL)
from 0FF H to 00 H will increment the high-order byte (DPH). No flags
are affected. This is the only 16-bit register which can be incremented.
Operation:
(PC)
←
(PC) + 1
(DPTR)
←
(DPTR) + 1
1
1
Bytes:
Cycles:
Encoding:
1
0
1
0
0
0
1
1
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