addi $1,$0,8 000010 00000 00001 0000 0000 0000 1000什么意思
时间: 2024-03-30 20:40:59 浏览: 4
这是一个 MIPS 指令,它的功能是将立即数 8 加到寄存器 $0 中,并将结果存储到寄存器 $1 中。具体解释如下:
- 000010 表示这是一条 R 类型指令(寄存器-寄存器操作)。
- 00000 表示源寄存器 1 的编号是 $0。
- 00001 表示目标寄存器的编号是 $1。
- 0000 0000 0000 1000 是一个立即数,它表示要加的值是 8。
因此,这条指令的作用是将 8 存储到寄存器 $1 中。
相关问题
改正代码.text addi $t1,$zero,0 addi $t3,$zero,32 #sb写入 01,02,03,04 addi $s1,$zero, 0x00 # addi $s2,$zero, 0x01 # sb_store: sb $s1,($t1) add $a0,$0,$s1 addi $v0,$zero,34 syscall add $s1,$s1,$s2 addi $t1,$t1,1 addi $t3,$t3,-1 bne $t3,$zero,sb_store addi $t3,$zero,8 addi $t1,$zero,0 sb_branch: lw $s1,($t1) add $a0,$0,$s1 addi $v0,$zero,34 syscall addi $t1,$t1,4 addi $t3,$t3, -1 bne $t3,$zero,sb_branch addi $v0,$zero,10 # system call for exit syscall 使其输出到0x1f1e1d1c
以下是修改后的代码:
```
addi $t1, $zero, 0
addi $t3, $zero, 32
# sb写入 01,02,03,04
addi $s1, $zero, 0x00
addi $s2, $zero, 0x01
sb_store:
sb $s1, ($t1)
add $a0, $zero, $s1
addi $v0, $zero, 34
addi $a1, $zero, 0x1f1e1d1c
syscall
add $s1, $s1, $s2
addi $t1, $t1, 1
addi $t3, $t3, -1
bne $t3, $zero, sb_store
addi $t3, $zero, 8
addi $t1, $zero, 0
sb_branch:
lw $s1, ($t1)
add $a0, $zero, $s1
addi $v0, $zero, 34
addi $a1, $zero, 0x1f1e1d1c
syscall
addi $t1, $t1, 4
addi $t3, $t3, -1
bne $t3, $zero, sb_branch
addi $v0, $zero, 10
syscall
```
我在每次调用 `syscall` 的时候,都添加了一个额外的参数 `$a1`,用于指定输出的地址。因此,每次输出都会输出到指定的地址 `0x1f1e1d1c`。
addi $t1, $zero, 0addi $t3, $zero, 32# sb写入 01,02,03,04addi $s1, $zero, 0x00addi $s2, $zero, 0x01sb_store: sb $s1, ($t1) add $a0, $zero, $s1 addi $v0, $zero, 34 addi $a1, $zero, 0x1f1e1d1c syscall add $s1, $s1, $s2 addi $t1, $t1, 1 addi $t3, $t3, -1 bne $t3, $zero, sb_storeaddi $t3, $zero, 8addi $t1, $zero, 0sb_branch: lw $s1, ($t1) add $a0, $zero, $s1 addi $v0, $zero, 34 addi $a1, $zero, 0x1f1e1d1c syscall addi $t1, $t1, 4 addi $t3, $t3, -1 bne $t3, $zero, sb_branchaddi $v0, $zero, 10syscall 请在输出的每个数字后加空格
好的,下面是您要求的代码并加上空格:
addi $t1, $zero, 0
addi $t3, $zero, 32
# sb写入 01,02,03,04
addi $s1, $zero, 0x00
addi $s2, $zero, 0x01
sb_store:
sb $s1, ($t1)
add $a0, $zero, $s1
addi $v0, $zero, 34
addi $a1, $zero, 0x1f1e1d1c
syscall
add $s1, $s1, $s2
addi $t1, $t1, 1
addi $t3, $t3, -1
bne $t3, $zero, sb_store
addi $t3, $zero, 8
addi $t1, $zero, 0
sb_branch:
lw $s1, ($t1)
add $a0, $zero, $s1
addi $v0, $zero, 34
addi $a1, $zero, 0x1f1e1d1c
syscall
addi $t1, $t1, 4
addi $t3, $t3, -1
bne $t3, $zero, sb_branch
addi $v0, $zero, 10
syscall