Vault 7: Projects
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16-bit MCU and DSC Programmer’s Reference Manual
DS70157F-page 152 © 2005-2011 Microchip Technology Inc.
BSET
Bit Set f
Implemented in: PIC24F PIC24H PIC24E dsPIC30F dsPIC33F dsPIC33E
X X X X X X
Syntax: {label:} BSET{.B} f, #bit4
Operands: f ∈ [0 ... 8191] for byte operation
f ∈ [0 ... 8190] (even only) for word operation
bit4 ∈ [0 ... 7] for byte operation
bit4 ∈ [0 ... 15] for word operation
Operation: 1 → f<bit4>
Status Affected: None
Encoding: 1010 1000 bbbf ffff ffff fffb
Description: Set the bit in the file register ‘f’ specified by ‘bit4’. Bit numbering begins
with the Least Significant bit (bit 0) and advances to the Most Significant
bit (bit 7 for byte operations, bit 15 for word operations).
The ‘b’ bits select value bit4 of the bit position to be set.
The ‘f’ bits select the address of the file register.
Note 1: The extension .B in the instruction denotes a byte operation
rather than a word operation. You may use a .W extension to
denote a word operation, but it is not required.
2: When this instruction operates in Word mode, the file register
address must be word-aligned.
3: When this instruction operates in Byte mode, ‘bit4’ must be
between 0 and 7.
Words: 1
Cycles:
1
(1)
Note 1:
In dsPIC33E and PIC24E devices, the listed cycle count does not apply to read and
read-modify-write operations on non-CPU Special Function Registers. For more
details, see
Note 3
in
Section 3.2.1 “Multi-Cycle Instructions”
.
Example 1:
BSET.B 0x601, #0x3 ; Set bit 3 in 0x601
Before
Instruction
After
Instruction
Data 0600 F234 Data 0600 FA34
SR 0000 SR 0000
Example 2:
BSET 0x444, #0xF ; Set bit 15 in 0x444
Before
Instruction
After
Instruction
Data 0444 5604 Data 0444 D604
SR 0000 SR 0000
Protego_Release_01_05-Related-OEM-Documentation-PIC24FJ64GA004-Programmers_Reference_Manual.pdf