Arrays MIPS-帮助初始化阵列
我正在尝试将内存数组初始化为值1、2、3。。10虽然我有点麻烦。以下是我迄今为止的工作:Arrays MIPS-帮助初始化阵列,arrays,assembly,mips,Arrays,Assembly,Mips,我正在尝试将内存数组初始化为值1、2、3。。10虽然我有点麻烦。以下是我迄今为止的工作: .data myarray: .space 10 .text la $t3, myarray # Load the address of myarray addi $t2, $zero, 1 # Initialize the first data value in register. addi $t0, $zero, 10 # Initialize loop counter $t0 to the v
.data
myarray: .space 10
.text
la $t3, myarray # Load the address of myarray
addi $t2, $zero, 1 # Initialize the first data value in register.
addi $t0, $zero, 10 # Initialize loop counter $t0 to the value 10
top:
sw $t2, 0($t3) # Copy data from register $t2 to address [ 0 +
# contents of register $t3]
addi $t0, $t0, -1 # Decrement the loop counter
bne $t0, $zero, top
任何帮助都将不胜感激。您的代码有几个问题
sw
(存储单词),则假定为“单词”数组。它的大小应该是4*10。如果要创建字节数组,请使用sb
$t3
for(i=1, ptr=array; i!=11; ptr++,i++) *ptr=i;
以及相应的代码
.data
myarray: .space 10
.text
la $t3, myarray # Load the address of myarray
addi $t2, $zero, 1 # Initialize the first data value in register.
addi $t0, $zero, 11 # Break the loop when array value reaches 11
top:
sb $t2, 0($t3) # Copy data from register $t2 to address [ 0 +
# contents of register $t3]
addi $t2, $t2, 1 # Increment array value/loop counter
addi $t3, $t3, 1 # next array element
bne $t0, $t2, top
您可以使用数组元素值作为循环计数器,使用
bne$t3,$t0,top
。(在循环外初始化t0=11
)更直译为C的是指针增量,因此没有i-1
。
.data
myarray: .space 10
.text
la $t3, myarray # Load the address of myarray
addi $t2, $zero, 1 # Initialize the first data value in register.
addi $t0, $zero, 11 # Break the loop when array value reaches 11
top:
sb $t2, 0($t3) # Copy data from register $t2 to address [ 0 +
# contents of register $t3]
addi $t2, $t2, 1 # Increment array value/loop counter
addi $t3, $t3, 1 # next array element
bne $t0, $t2, top