Arm mov instruction example

mvn instruction in arm
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mov instruction in 8086
ldr instruction in arm
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They are move, arithmetic, logical, comparison and multiply instructions Almost all ARM instructions have a condition Example: 1010 00 0011 0000. Remember that the ARM can perform a certain set of manipulations on the immediate value as part of the barrel shifter that is incorporated The MOV instruction copies the value of Operand2 into Rd . The MVN instruction takes the value of Operand2 , performs a bitwise logical NOT operation on the For example, a MOV instruction which copies the contents of one register to another. No flags are affected. However, the MOVS (move with Set) instructionMoving an integer value (integer constant) into a register · The ARM processor has a pretty complicated way to encode a number in the mov instruction. The format For example, a Branch (B in assembly language) becomes BEQ for "Branch if Equal", which means the Branch will only be taken if the Z flag is set. In practice, The MOV instruction copies the value of Operand2 into Rd . In certain circumstances, the assembler can substitute MVN for MOV , or Control Transfer Instructions: Change flow of execution. 1. jump to another instruction Example: MOV r0,r1 (in ARM). Equivalent to: a = b. (in C). The MOV instruction copies the value of Operand2 into Rd . In certain circumstances, the assembler can substitute MVN for MOV , or MOV for MVN . Be aware of