40 lines
497 B
ArmAsm
40 lines
497 B
ArmAsm
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.equ READ_CORE_TIMER, 11
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.equ RESET_CORE_TIMER, 12
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.equ PUT_CHAR, 3
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.equ PRINT_INT, 6
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.data
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.text
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.globl main
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main: li $s0, 0
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while: li $a0, '\r'
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li $v0, PUT_CHAR
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syscall
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move $a0, $s0
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li $a1, 4
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sll $a1, $a1, 16
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ori $a1, $a1, 10
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li $v0, PRINT_INT
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syscall
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addu $sp, $sp, -4
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sw $ra, 0($sp)
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li $a0, 1000
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jal delay
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addi $s0, $s0, 1
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j while
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delay: li $v0, RESET_CORE_TIMER
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syscall
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count: li $v0, READ_CORE_TIMER
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syscall
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mul $t0, $a0, 20000
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blt $v0, $t0, count
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jr $ra
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