zlicz/counter.S

.data
    sentence: 
        .ascii "Become a Prograammermmmmmrr\0"
    match:
        .ascii "abc \0"
    out: 
        .space 256, 0

.text
.align 2
.globl _start

_start:
    la      t0, sentence            # Load the address of sentence into t0

read_str:
    lbu     t1, 0(t0)               # Load unsigned byte from sentence into t1
    beq     t1, zero, read_str_done # If end of string (\0), exit loop

    la      a0, match               # Load address of match into a0
    la      s2, out                 # Load address of out into s0

    iteruj_match:
       lbu a1, 0(a0)             # Load unsigned byte from match into a1
       beq     a1, zero, done_match # If end of match string (\0), exit inner loop

            bne t1, a1, 1f         # If t1 != a1, skip increment

                lbu s10, 0(s2)    # Load current counter value from out into s10
                addi s10, s10, 1   # Increment counter
                sb s10, 0(s2)     # Store updated counter back to out

            1:
        addi s0, s0, 1 
    j iteruj_match                  # Jump back to start of inner loop
    done_match:

    addi    t0, t0, 1               # Increment pointer to the next character in sentence
    j      read_str                 # Jump back to start of outer loop

read_str_done:
    ebreak                          # End program