51 lines
752 B
ArmAsm
51 lines
752 B
ArmAsm
.global printi
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.type printi, @function
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.global _start
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.type _start, @function
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.text
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printi:
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addi sp, sp, -16
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sw s0, 0(sp)
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sw ra, 4(sp)
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addi s0, sp, 16
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addi t1, zero, '\n'
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sb t1, -1(s0)
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# t0 - Whole number.
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# t1 - Constant 10.
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# a1 - Local buffer.
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# t2 - Current character.
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lw t0, 0(s0)
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addi t1, zero, 10
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addi a1, s0, -2
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.digit10:
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rem t2, t0, t1
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addi t2, t2, '0'
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sb t2, 0(a1)
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div t0, t0, t1
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addi a1, a1, -1
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bne zero, t0, .digit10
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ecall
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addi a0, zero, 1
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addi a1, a1, 1
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sub a2, s0, a1
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addi a7, zero, 64
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ecall
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lw s0, 0(sp)
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lw ra, 4(sp)
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addi sp, sp, 16
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ret
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_start:
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call main
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addi a0, zero, 0
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addi a7, zero, 93
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ecall
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