CPEN EXAM 2 QUESTIOS AND ANSWERS
CPEN EXAM 2 QUESTIOS AND ANSWERS Stack a range of consecutive memory locations set aside for temporarily storing and retrieving data bytes SP R13 Stack point grows from ____ addresses to ____ addresses high, low Stack is ____ in _____ out last, first _____ and _____ are instructions used to load and retrieve data from the stack PUSH, POP PUSH {R1} SUB R13, #4 STR R1, [R13] POP {R1} LDR R1, [R13] ADD R13, #4 subroutine return instruction BX LR subroutine call instruction BL subroutine CMP R0, #7 BLS next
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