Jump instruction in 8051

jump and call instructions of 8051 ppt
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jump and call instructions of 8051 pdf

Normally the processor executes the program in a sequential manner, due to continuous increment of PC ( program counter ). Jump instructions in 8051 that jumps The JMP instruction transfers execution to the address generated by adding the 8-bit value in the accumulator to the 16-bit value in the DPTR register. Jump, LOOP AND CALL INSTRUCTIONS etc. Jump: In 8051, there are 3 kinds of. Jumps SJMP ii short jump womp it long. Jump and AJMP ie Absolute jump. The unconditional jump is a jump in which control is transferred unconditionally to the target location. There are 2 unconditional jumps in the 8051: LJMP [Long In the 8051, the loop action is performed by the instruction “DJNZ reg, label”. In this instruction, the register is decremented; if it is not zero, it jumps to Jump or call instructions may have one of three ranges: a relative range of. +127d, - 128d bytes from the instruction following the jump or call instruc- tion; 8051 Instructions for conditional branching jump if accumulator not zero. Description the next instruction is executed. Syntax. JZ rel. JNZ rel.