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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

        li      $v0, 0                  # Reset accumulator to 0.

        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.

        jr $ra

52 coding exercises for MIPS Assembly on Exercism. From Matching Brackets to Acronym.

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Key Features of MIPS Assembly

MIPS Assembly

Easy to Learn

MIPS is a simple assembly language, used in university computer architecture courses.

Widely Used

MIPS is at the core of billions of shipped products.

Extensive documentation

MIPS is widely documented, particulaly in academic texts on computer architecture.


Fast execution speed, via compact instructions, has been a key feature since its inception.


As a RISC-based assembly language, it boasts a small, orthogonal instruction set.


MIPS first appeared in 1985, evolved to meet new challenges, and has been stable since 2014.

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Community-sourced MIPS Assembly exercises

The MIPS Assembly track on Exercism has 52 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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