參數(shù)資料
型號: 16F84A
廠商: Microchip Technology Inc.
英文描述: CAT 5E CROSSOVER PATCH CORD CABLE BLUE 20 FT
中文描述: 18引腳閃存/ EEPROM的8位微控制器
文件頁數(shù): 61/124頁
文件大?。?/td> 1322K
代理商: 16F84A
PIC16F8X
1998 Microchip Technology Inc.
DS30430C-page 61
INCFSZ
Syntax:
Operands:
Increment f, Skip if 0
[ label INCFSZ f,d
0
f
127
d
[0,1]
(f) + 1
(destination),
skip if result = 0
None
Operation:
Status Affected:
Encoding:
Description:
00
1111
dfff
ffff
The contents of register 'f' are incre-
mented. If 'd' is 0 the result is placed in
the W register. If 'd' is 1 the result is
placed back in register 'f'.
If the result is 1, the next instruction is
cuted instead making it a 2T
CY
instruc-
tion
.
1
1(2)
Q1
Q2
Words:
Cycles:
Q Cycle Activity:
Q3
Q4
Decode
Read
register 'f'
Process
data
Write to
destination
If Skip:
(2nd Cycle)
Q1
Q2
Q3
Q4
No-Operat
ion
No-Opera
tion
No-Opera
tion
No-Operati
on
Example
HERE INCFSZ CNT, 1
GOTO LOOP
Before Instruction
PC
=
address
HERE
After Instruction
CNT
=
CNT + 1
if CNT=
0,
PC
=
address
CONTINUE
if CNT
0,
PC
=
address
HERE +1
IORLW
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Inclusive OR Literal with W
[ label IORLW k
0
k
255
(W) .OR. k
(W)
Z
11
1000
kkkk
kkkk
The contents of the W register is
OR’ed with the eight bit literal 'k'. The
result is placed in the W register
.
1
1
Q1
Q2
Words:
Cycles:
Q Cycle Activity:
Q3
Q4
Decode
Read
literal 'k'
Process
data
Write to
W
Example
IORLW
0x35
Before Instruction
W
=
0x9A
After Instruction
W
Z
=
=
0xBF
1
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