TSC80251 TEMIC [TEMIC Semiconductors], TSC80251 Datasheet - Page 115

• Manufacturer Part Number: TSC80251
• Manufacturer: TEMIC [TEMIC Semiconductors]

TSC80251
DEC <dest>,<src>
Function:
Decrement
Description:
Decrements the specified variable at the destination operand by 1, 2 or 4. An original value of 00h underflows to 0FFh.
Example :
Register 0 contains 7Fh (01111111B). After executing the instruction sequence DEC R0,#1 register 0 contains 7Eh.
DEC Rm,#short
[Encoding]
DEC WRj,#short
[Encoding]
DEC DRk,#short
[Encoding]
5.70
FLAGS :
Hex Code in:
Binary Mode = [A5][Encoding]
Source Mode = [Encoding]
Hex Code in:
Binary Mode = [A5][Encoding]
Source Mode = [Encoding]
Hex Code in:
Binary Mode = [A5][Encoding]
Source Mode = [Encoding]
0001
0001
0001
CY
_
1011
1011
1011
AC
_
uuuu
ssss
tttt
OV
_
01vv
11vv
01vv
Operation:
DEC
(Rm)
Operation:
DEC
(WRj)
Operation:
DEC
(DRk)
(Rm) - #short
(WRj) - #short
(DRk) - #short
N
Rev. C – May 7, 1999
Z