參數(shù)資料
型號: S3C1860XX-DK
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PDIP20
封裝: 0.300 INCH, DIP-20
文件頁數(shù): 32/95頁
文件大?。?/td> 339K
代理商: S3C1860XX-DK
INSTRUCTION SET
S3C1840/C1850/C1860/P1860
5-10
CPNE L,#n
Binary Code:
0 1 0 1
d d d d
Description:
This instruction compare the immediate 4 bit data n with the contents of register L, and
sets an appropriate flag if their values are not equal.
The contents of both operands are unaffected by the comparison.
Operation:
(L)
≠ #n
Flags:
SF : Set if not equal, cleared otherwise
SL : Unaffected
Example:
CLR
A
ADDS
A,#4H
MOV
L,A
CPNE
L,#5H
; Compare immediate data 5H to REG L values
JP
K3
; Jump to K3 because the result is not equal
CPNE A,@HL
Binary Code:
0 0 0 0
0 0 0 1
Description:
The contents of indirect data memory are compared to the contents of the accumulator.
Appropriate flags are set if the contents of the accumulator are less than or equal to the
contents of indirect data memory.
The contents of both operands are unaffected by the comparison.
Operation:
(A)
≤ M [(H,L)]
Flags:
SF : Set if less than or equal to, cleared otherwise
SL : Unaffected
Example:
Assume RAM address holds 8H
CPLE
A,@HL
; Compare 8H to A values
JP
MAR
; Jump to MAR if 0H
≤ A ≤ 8H
JP
BPR
; Jump to BPR if 9H
≤ A ≤ 0FH
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