Bsf instructions
BSF INSTRUCTIONS >> READ ONLINE
in instruction x86
bsf instruction example
popcnt instructionbsf instruction in pic
bsr bsf
tzcnt instruction
bsr instruction
bit scan reverse
BSF scans the bits in the second word or doubleword operand starting with bit 0. The ZF flag is cleared if the bits are all 0; otherwise, the ZF flag is set and bsf scans the bits, starting at bit 0, in the doubleword operand or the second word. If the bits are all zero, ZF is cleared. Otherwise, ZF is set and the Bit scan forward on r/m64. Instruction Operand Encoding ¶. Op/En, Operand 1, Operand 2, Operand 3, Operand 4. RM BSF - Bit Scan Forward (386+) Usage: BSF dest,src Modifies flags: ZF Scans source operand for first bit set. Sets ZF if a bit is found set and loads the BSF. < Previous instruction: BRA | Instruction index | Next instruction: BTFSC >. BSF title= < Previous instruction: BRA | Instruction index | Next [ label ] BSF f,b. Operation: 1 > (f<b>). Operands: Before instruction: REG = 0xF0. 1. REG = 0xF0. After instruction: REG = 0xF1 BSF is keyword which stands for BIT SET FILE. BSF instruction sets any specific bit of any of the file register Instructions BCF and BSF clear or set any bit in memory. Although it seems to be a simple operation, it is not like that. CPU first reads the entire byte,
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