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Using .space directive
useful for arrays of data whos values are unknown in advance
the argument is the number of bytes to reserve:
myarray: .space 40
here, myarray is the address of the 0th element of the array. The addresses of integer elements are
myarray # element 0
myarray + 4 # element 1
myarray + 8
myarray + 12
...
myarray + 36 # element 9: 36 = ( 4 times 9 )
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