Contents

# Convert ascii string of octal digits to integer
#
# $a0 - input, pointer to null-terminated string of chars 0-7
# $v0 - output, integer form of binary string
# $t0 - ascii value of the char pointed to
# $t1 - integer value (0-7) of the char pointed to

.globl octal_convert

octal_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, 3             # Otherwise multiply accumulator by 8,
        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

Version data entries

396 entries across 396 versions & 1 rubygems

Version	Path
trackler-2.2.1.139	tracks/mips/exercises/octal/example.mips
trackler-2.2.1.138	tracks/mips/exercises/octal/example.mips
trackler-2.2.1.137	tracks/mips/exercises/octal/example.mips
trackler-2.2.1.136	tracks/mips/exercises/octal/example.mips
trackler-2.2.1.135	tracks/mips/exercises/octal/example.mips
trackler-2.2.1.134	tracks/mips/exercises/octal/example.mips
trackler-2.2.1.133	tracks/mips/exercises/octal/example.mips
trackler-2.2.1.132	tracks/mips/exercises/octal/example.mips
trackler-2.2.1.131	tracks/mips/exercises/octal/example.mips
trackler-2.2.1.130	tracks/mips/exercises/octal/example.mips
trackler-2.2.1.129	tracks/mips/exercises/octal/example.mips
trackler-2.2.1.128	tracks/mips/exercises/octal/example.mips
trackler-2.2.1.127	tracks/mips/exercises/octal/example.mips
trackler-2.2.1.126	tracks/mips/exercises/octal/example.mips
trackler-2.2.1.125	tracks/mips/exercises/octal/example.mips
trackler-2.2.1.124	tracks/mips/exercises/octal/example.mips
trackler-2.2.1.123	tracks/mips/exercises/octal/example.mips
trackler-2.2.1.122	tracks/mips/exercises/octal/example.mips
trackler-2.2.1.121	tracks/mips/exercises/octal/example.mips
trackler-2.2.1.120	tracks/mips/exercises/octal/example.mips