tsc251g1dxxx-l12ced ATMEL Corporation, tsc251g1dxxx-l12ced Datasheet - Page 25

• Manufacturer Part Number: tsc251g1dxxx-l12ced
• Description: 8/16-bit Microcontroller With Serial Communication Interfaces - 32kbytes Rom
• Manufacturer: ATMEL Corporation

4135F–8051–11/06
Table 21. Summary of Increment and Decrement Instructions
Notes:
IncrementINC <dest>dest opnd ← dest opnd + 1
IncrementINC <dest>, <src>dest opnd ← dest opnd + src opnd
DecrementDEC <dest>dest opnd ← dest opnd - 1
DecrementDEC <dest>, <src>dest opnd ← dest opnd - src opnd
Mnemonic
INC
DEC
INC
DEC
INC
DEC
INC
4. If this instruction addresses external memory location, add 2(N+2) to the number of
1. A shaded cell denotes an instruction in the C51 Architecture.
2. If this instruction addresses an I/O Port (Px, x = 0-3), add 2 to the number of states.
states (N: number of wait states).
Add 3 if it addresses a Peripheral SFR.
<dest>,
<src>
A
Rn
dir8
at Ri
Rm, #short
WRj, #short
DRk, #short
DRk, #short
DPTR
(1)
Comments
ACC by 1
Register by 1
Direct address (on-chip RAM or
SFR) by 1
Indirect address by 1
Byte register by 1, 2, or 4
Word register by 1, 2, or 4
Double word register by 1, 2, or 4
Double word register by 1, 2, or 4
Data pointer by 1
AT/TSC8x251G2D
Bytes
Binary Mode
1
1
2
1
3
3
3
3
1
States Bytes States
2
1
1
3
2
2
4
5
1
(2)
Source Mode
2
1
1
2
2
2
2
2
2
2
1
2
4
1
1
3
4
1
(2)
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