参数资料
型号: PIC16C662T-04E/TQ
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 4 MHz, RISC MICROCONTROLLER, PQFP44
封装: 10 X 10 MM, 1 MM HEIGHT, PLASTIC, TQFP-44
文件页数: 116/136页
文件大小: 634K
代理商: PIC16C662T-04E/TQ
PIC16C64X & PIC16C66X
DS30559A-page 80
1996 Microchip Technology Inc.
GOTO
Unconditional Branch
Syntax:
[
label ]
GOTO k
Operands:
0
≤ k ≤ 2047
Operation:
k
→ PC<10:0>
PCLATH<4:3>
→ PC<12:11>
Status Affected:
None
Encoding:
10
1kkk
kkkk
Description:
GOTO
is an unconditional branch. The
eleven bit immediate value is loaded
into PC bits <10:0>. The upper bits of
PC are loaded from PCLATH<4:3>.
GOTO
is a two cycle instruction.
Words:
1
Cycles:
2
Example
GOTO THERE
After Instruction
PC =
Address THERE
INCF
Increment f
Syntax:
[
label ]
INCF f,d
Operands:
0
≤ f ≤ 127
d
∈ [0,1]
Operation:
(f) + 1
→ (dest)
Status Affected:
Z
Encoding:
00
1010
dfff
ffff
Description:
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'.
Words:
1
Cycles:
1
Example
INCF
CNT,
1
Before Instruction
CNT
=
0xFF
Z=
0
After Instruction
CNT
=
0x00
Z=
1
INCFSZ
Increment f, Skip if 0
Syntax:
[
label ]
INCFSZ f,d
Operands:
0
≤ f ≤ 127
d
∈ [0,1]
Operation:
(f) + 1
→ (dest), skip if result = 0
Status Affected:
None
Encoding:
00
1111
dfff
ffff
Description:
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 0, the next instruction,
which is already fetched, is discarded.
A NOP is executed instead making it a
two cycle instruction
.
Words:
1
Cycles:
1(2)
Example
HERE
INCFSZ
CNT,
1
GOTO
LOOP
CONTINUE
Before Instruction
PC
=
address HERE
After Instruction
CNT
=
CNT + 1
if CNT=
0,
PC
=
address CONTINUE
if CNT
0,
PC
=
address HERE +1
IORLW
Inclusive OR Literal with W
Syntax:
[
label ]
IORLW k
Operands:
0
≤ k ≤ 255
Operation:
(W) .OR. k
→ (W)
Status Affected:
Z
Encoding:
11
1000
kkkk
Description:
The contents of the W register is
OR’ed with the eight bit literal 'k'. The
result is placed in the W register
.
Words:
1
Cycles:
1
Example
IORLW
0x35
Before Instruction
W
=
0x9A
After Instruction
W
=
0xBF
Z=
1
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