MIPS Assembly
MIPS Assembly

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About MIPS Assembly

# Convert ascii string of binary digits to integer
#
# $a0 - input, pointer to null-terminated string of 1's and 0's
# $v0 - output, integer form of binary string
# $t0 - ascii value of the char pointed to
# $t1 - integer value (0 or 1) of the char pointed to

.globl binary_convert

binary_convert:
        li      $v0, 0                  # Reset accumulator to 0.

loop:
        lb      $t0, 0($a0)             # Load a character,
        beq     $t0, $zero, end         # if it is null then return.
        sll     $v0, $v0, 1             # Otherwise shift accumulator left,
        addi    $t1, $t0, -48           # calculate the value of the character,
        or      $v0, $v0, $t1           # and add that to the accumulator.
        addi    $a0, $a0, 1             # Finally, increment the pointer
        j       loop                    # and loop.

end:
        jr $ra

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Community-sourced MIPS Assembly exercises

The MIPS Assembly track on Exercism has 15 exercises to help you write better code. Discover new exercises as you progress and get engrossed in learning new concepts and improving the way you currently write.

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MIPS Assembly

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