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Question
Reading a string in MIPS assembly language
I am very new to writing in assembly.
My question is, if there is are bunch of characters entered in by the user, and I only want to access one character at a time, would the following code work for me? (The effect I hope to acheive would be similar to getchar() in C)
-----------
abcdefg
-----------
#code to read each letter, one at a time
buffer: .space 1
...
la $a0, buffer
li $a1, 1
li $v0, 8
syscall
So the first time I use this code, "a" will be read, and next "b", and so forth. I am assigning a high value because this solution is needed very soon.
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by: dimitryPosted on 2004-11-29 at 12:15:55ID: 12699815
Seems, no...
And it is not the assembler problem but syscall for read string implementation.
http://www.doc.ic.ac.uk/la
Also pay attention that read string will put 0 at the end, so you need at least:
buffer: .space 2
Aslo you can get the whole line: abcdef and then you can process one character at a time.