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25 lines
896 B
NASM
25 lines
896 B
NASM
; Example program (c) by Anton Lydike
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; this calculates the fibonacci sequence and stores it in ram
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.data
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fibs: .space 56
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.text
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main:
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addi s1, zero, 0 ; storage index
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addi s2, zero, 56 ; last storage index
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addi t0, zero, 1 ; t0 = F_{i}
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addi t1, zero, 1 ; t1 = F_{i+1}
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ebreak ; launch debugger
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loop:
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sw t0, fibs(s1) ; save
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add t2, t1, t0 ; t2 = F_{i+2}
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addi t0, t1, 0 ; t0 = t1
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addi t1, t2, 0 ; t1 = t2
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addi s1, s1, 4 ; increment storage pointer
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blt s1, s2, loop ; loop as long as we did not reach array length
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; exit gracefully
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ebreak ; launch debugger
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addi a0, zero, 0
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addi a7, zero, 93
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scall ; exit with code 0 |