Network, Computer and Programming Resources

Instruction general

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BT—Bit Test
BTC—Bit Test and Complement
BTR—Bit Test and Reset
BTS—Bit Test and Set
CALL—Call Procedure
CBW/CWDE—Convert Byte to Word/Convert Word to Doubleword
CDQ—Convert Double to Quad
CLC—Clear Carry Flag
CLD—Clear Direction Flag
CLI—Clear Interrupt Flag
CLTS—Clear Task-Switched Flag in CR0
CMC—Complement Carry Flag

Instruction general - CLD—Clear Direction Flag

Clears the DF flag in the EFLAGS register. When the DF flag is set to 0, string operations increment the index registers (ESI and/or EDI).

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