73 lines
1 KiB
ArmAsm
73 lines
1 KiB
ArmAsm
.global _start
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.intel_syntax noprefix
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.data
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count:
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.byte 0x00
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number:
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.byte 0x00
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new_line_collector:
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.byte 0x00
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.text
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_start:
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//hello world
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lea rsi, [text_hello_world]
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mov rdx, 13
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call printf
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lea rsi, [text_how_far_do_you_want_to_go]
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mov rdx, 28
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call printf
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lea rsi, [count]
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mov rdx, 1
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call scanf
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mov r8, 1
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mov r9, 0
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push bx
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loop:
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mov bl, 0x30
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cmp bl, count
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jae exit
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dec byte ptr count
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add r8, r9
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push r9
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mov r10, r9
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add r10, '0'
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mov number, r10
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lea rsi, [number]
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mov rdx, 1
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call printf
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xchg r8, r9
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jmp loop
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//exit
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exit:
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lea rsi, [text_goodbye]
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mov rdx, 9
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call printf
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mov rax, 60
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xor rdi, rdi
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syscall
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text_hello_world:
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.asciz "Hello World\n"
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text_how_far_do_you_want_to_go:
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.asciz "How Far Do You Want to Go = "
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text_goodbye:
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.asciz "\nGoodbye\n"
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printf:
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mov rax, 1
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mov rdi, 1
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syscall
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xor rdi, rdi
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ret
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scanf:
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mov rax, 0
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mov rdi, 0
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syscall
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mov rax, 0
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mov rdi, 0
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mov rsi, [new_line_collector]
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mov rdx, 1
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syscall
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xor rdi, rdi
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ret
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