32 lines
1.2 KiB
ArmAsm
32 lines
1.2 KiB
ArmAsm
.text
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.align 2
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.globl _start
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_start:
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la t0, sentence # Load the address of sentence into t0
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read_str:
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lbu t1, 0(t0) # Load unsigned byte from sentence into t1
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beq t1, zero, read_str_done # If end of string (\0), exit loop
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la a0, match # Load address of match into a0
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la s0, out # Load address of out into s0
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iteruj_match:
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lbu a1, 0(match) # Load unsigned byte from match into a1
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beq a1, zero, done_match # If end of match string (\0), exit inner loop
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bne t1, a1, 1f # If t1 != a1, skip increment
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lbu s10, 0(out) # Load current counter value from out into s10
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addi s10, s10, 1 # Increment counter
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sb s10, 0(out) # Store updated counter back to out
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1:
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j iteruj_match # Jump back to start of inner loop
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done_match:
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addi t0, t0, 1 # Increment pointer to the next character in sentence
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j read_str # Jump back to start of outer loop
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read_str_done:
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ebreak # End program
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