Flag Manipulation and a Processor Control Instructions

1.	Flag Manipulation and a Processor Control Instructions
Answer» Flag Manipulation and a Processor Control Instructions : These instructions control the functioning of the available hardware inside the processor chip. These instructions are categorized into two types: 1. Flag Manipulation instructions. Machine Control instructions. Flag Manipulation instructions The Flag manipulation instructions directly modify some of the Flags of 8086. i. CLC – Clear Carry Flag. ii. CMC – Complement Carry Flag. iii. STC – Set Carry Flag. iv. CLD – Clear Direction Flag. v. STD – Set Direction Flag. vi. CLI – Clear Interrupt Flag. vii. STI – Set Interrupt Flag.

Answer»

Flag Manipulation and a Processor Control Instructions :

These instructions control the functioning of the available hardware inside the processor chip.

These instructions are categorized into two types:

1. Flag Manipulation instructions.

Machine Control instructions. Flag Manipulation instructions The Flag manipulation instructions directly modify some of the Flags of 8086.

i. CLC – Clear Carry Flag.

ii. CMC – Complement Carry Flag.

iii. STC – Set Carry Flag.

iv. CLD – Clear Direction Flag.

v. STD – Set Direction Flag.

vi. CLI – Clear Interrupt Flag.

vii. STI – Set Interrupt Flag.

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