Datasheet

115
11011B–ATARM–21-Feb-12
SAM3N
• bit[0] of the value written to the PC is ignored
• a branch occurs to the address created by forcing bit[0] of that value to 0.
Though it is possible to use MOV as a branch instruction, ARM strongly recommends the use of
a BX or BLX instruction to branch for software portability to the ARM instruction set.
10.13.6.4 Condition flags
If S is specified, these instructions:
• update the N and Z flags according to the result
• can update the C flag during the calculation of Operand2, see “Flexible second operand” on
page 80
• do not affect the V flag.
10.13.6.5 Example
MOVS R11, #0x000B ; Write value of 0x000B to R11, flags get updated
MOV R1, #0xFA05 ; Write value of 0xFA05 to R1, flags are not updated
MOVS R10, R12 ; Write value in R12 to R10, flags get updated
MOV R3, #23 ; Write value of 23 to R3
MOV R8, SP ; Write value of stack pointer to R8
MVNS R2, #0xF ; Write value of 0xFFFFFFF0 (bitwise inverse of 0xF)
; to the R2 and update flags