命令是否正确并带有相应的注释?我无法理解 mips 汇编语言,例如“大小”、“数组”和“结果”的含义,以及我应该如何将它们合并到我的代码中。
.text 0x00400000
.align 2
.globl main
main:
lw $a0, size # Load the size of array into $a0, using lw
li $a1, 0 # index i
add $a2, $a0, $a1 # a2 contains the sum, initialize a2
li $t2, 4 # t2 contains constant 4, initialize t2
loop:
mul $t1, $a1, $t2 # t1 gets i*4
lw $a3, Array($t1) # a3 = N[i]
add $a2, $a2, $a3 # sum = sum + N[i] (sum is a2)
add $a1, $a1, 1 # i = i + 1
beq $a1, $a0, STOR # go to STOR if finished
j loop
STOR:
sw $a2, Result[1] # store sum at Result, using sw
.data 0x10000000
.align 2
Array: .word 3 6 9 12 15 18 21 24
Size: .word 8
Result: .word 0