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# ARM program to print "Hello World!"
# *************** instruction memory
.text
.global main
main:
# store(push) lr to the stack
sub sp, sp, #4
str lr, [sp, #0]
# your code here
ldr r0, =hello
bl printf
# retrive(pop) lr from the stack
ldr lr, [sp, #0]
add sp, sp, #4
# return
mov pc, lr
# *************** data memory
.data
hello: .asciz "Hello World!\n"
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Instruction Memory
Output (stdout) |