Arm/decstr1

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Write a function that reads an ASCII null-terminated string containing decimal digits, and returns the value of the number. The number is guaranteed to fit within an unsigned 32-bit number.

Sample Input

"1234"

Sample Output

r0=1234 (or 0x4d2)

// A test case to test your function with
.data
Str: .string "1234"

.text
.global _start
_start:
    ldr r0, =Str    
    bl decstr
    b _start        // End of testing code

// Parse a decimal string
decstr:

Write your solution here

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.global _start _start:

​x

 

1

// A test case to test your function with

2

.data

3

Str: .string "1234"

4

​

5

.text

6

.global _start

7

_start:

8

    ldr r0, =Str    

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    bl decstr

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    b _start        // End of testing code

11

​

12

// Parse a decimal string

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decstr:

14

15

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• arm/findcaller
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arm/decstr1

• · arm/decstr2
• arm/bcd2
• arm/normalize
• arm/arraysum
• arm/subarraysum
• arm/accum1
• arm/accum2
• arm/manhattan

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