Which instruction is used to jump when zero flag is set?
Which instruction is used to jump when zero flag is set?
Conditional jump instructions – unsigned
| Instruction | Alternative | Action |
|---|---|---|
| JZ | JE | Jump if zero flag set (jump if equal) |
| JNZ | JNE | Jump if zero flag not set (jump if not equal) |
| JC | JB or JNAE | Jump if carry flag set (jump if “below” or not above or equal) |
| JNC | JNB or JAE | Jump if carry flag not set (jump if not “below” or above or equal) |
What is the jump instruction used for jump equal?
Conditional Jump
| Instruction | Description | Flags tested |
|---|---|---|
| JE/JZ | Jump Equal or Jump Zero | ZF |
| JNE/JNZ | Jump not Equal or Jump Not Zero | ZF |
| JG/JNLE | Jump Greater or Jump Not Less/Equal | OF, SF, ZF |
| JGE/JNL | Jump Greater/Equal or Jump Not Less | OF, SF |
What does JMP mean in assembly?
unconditional jump
In the x86 assembly language, the JMP instruction performs an unconditional jump. Such an instruction transfers the flow of execution by changing the program counter.
What is the function of the jump instruction?
Jump Instructions – The jump instruction transfers the program sequence to the memory address given in the operand based on the specified flag.
What is jump instruction in assembly language?
A jump instruction, like “jmp”, just switches the CPU to executing a different piece of code. It’s the assembly equivalent of “goto”, but unlike goto, jumps are notconsidered shameful in assembly.
What is meant by jump instruction?
An instruction in a computer program that causes processing to move to a different place in the program sequence. ‘A jump instruction is added to the end of the modified program codes in the RAM, so that after the modified program codes are executed, the operation is returned to the ROM.
What does jump instruction do?
Jump Instructions – The jump instruction transfers the program sequence to the memory address given in the operand based on the specified flag. Jump instructions are 2 types: Unconditional Jump Instructions and Conditional Jump Instructions.
What are the conditional jump instructions?
A conditional jump instruction, like “je” (jump-if-equal), does a goto somewhere if the two values satisfy the right condition. For example, if the values are equal, subtracting them results in zero, so “je” is the same as “jz”.
How many conditional jump instruction are there?
Conditional JUMP instructions in 8085 Microprocessor
| Opcode | Description | Flag Status |
|---|---|---|
| JZ | Jump on zero | Z=1 |
| JNZ | Jump on no zero | Z=0 |
| JPE | Jump on parity even | P=1 |
| JPO | Jump on parity odd | P=0 |
What is Jump operation?
Introduction. The Jump Operation permits to jump forward and backward within the application without modeling an explicit navigation flow. A forward jump redirects the user to the specified Parameter Collector Operation.
