PIC16C662-20/TQ Microchip Technology, PIC16C662-20/TQ Datasheet - Page 77

• Manufacturer Part Number: PIC16C662-20/TQ
• Description: 8-Bit EPROM Microcontrollers with Analog Comparators
• Manufacturer: Microchip Technology

BCF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example
BSF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example
1996 Microchip Technology Inc.
Bit Clear f
[ label ] BCF
0
0
0
None
Bit 'b' in register 'f' is cleared
1
1
Before Instruction
After Instruction
Bit Set f
[ label ] BSF
0
0
1
None
Bit 'b' in register 'f' is set.
1
1
Before Instruction
After Instruction
BCF
BSF
01
01
f
b
f
b
(f<b>)
(f<b>)
127
127
7
7
FLAG_REG = 0xC7
FLAG_REG = 0x47
FLAG_REG = 0x0A
FLAG_REG = 0x8A
00bb
01bb
FLAG_REG,
FLAG_REG, 7
f,b
f,b
bfff
bfff
.
7
ffff
ffff
PIC16C64X & PIC16C66X
BTFSC
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example
Bit Test, Skip if Clear
[ label ] BTFSC f,b
0
0
skip if (f<b>) = 0
None
If bit 'b' in register 'f' is '0' then the next
instruction is skipped.
If bit 'b' is '0' then the next instruction
fetched during the current instruction
execution is discarded, and a NOP is
executed instead, making this a 2 cycle
instruction
1
1(2)
Before Instruction
After Instruction
HERE
FALSE
TRUE
01
f
b
127
7
PC =
if FLAG<1> = 0,
PC =
if FLAG<1>=1,
PC =
.
10bb
BTFSC
GOTO
•
•
•
DS30559A-page 77
address HERE
address TRUE
address FALSE
FLAG,1
PROCESS_CODE
bfff
ffff