.data          /* the .data section is dynamically created and its addresses cannot be easily predicted */
var1: .word 3  /* variable 1 in memory */
var2: .word 4  /* variable 2 in memory */

.text          /* start of the text (code) section */
.global _start

_start:
    ldr r0, adr_var1  @ load the memory address of var1 via label adr_var1 into R0
    ldr r1, adr_var2  @ load the memory address of var2 via label adr_var2 into R1
    ldr r2, [r0]      @ load the value (0x03) at memory address found in R0 to register R2
    str r2, [r1]      @ store the value found in R2 (0x03) to the memory address found in R1
    bkpt

adr_var1: .word var1  /* address to var1 stored here */
adr_var2: .word var2  /* address to var2 stored here */