74 lines
1.4 KiB
ArmAsm
74 lines
1.4 KiB
ArmAsm
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# (c) 2023 Tan, Kian-ting
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# ===
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# Tiananmen Massacre - Hong Kong Independence - Free Hong Kong, Tibet, Southern Mongolia
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# Uyghur Concentration Camps - Taiwan Independence - Chinese Internet Censorships
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# Red Terror by Chinese Communist Party
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# ===
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# 9 * 9 multipulation table
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# storing string
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.data
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format: .asciz "%d * %d = %d\n" #string succeeded by '\0'
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.text
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.global main
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loop1:
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# b += 1
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addq $1, %r9
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# a = 0
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movq $1, %r8
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# goto loop
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jmp loop
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loop:
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mov %r8, %rsi
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mov %r9, %rdx
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# rcx = r8 * r9
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mov %r8, %rcx
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imulq %r9, %rcx
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xor %rax, %rax # rax = 0
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# backup r8, rdi, r9
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mov %r8, %r12
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mov %rdi, %r13
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mov %r9, %r14
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# printf(rdi, rsi, rdx, rcx);
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call printf
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# restore r8, rdi, r9
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mov %r14, %r9
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mov %r13, %rdi
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mov %r12, %r8
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# a += 1
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addq $1, %r8
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# IF a <= 9 goto loop
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cmp $9, %r8
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jle loop
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# IF b < 9 goto loop1
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cmp $9, %r9
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jl loop1
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# goto final
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jmp final
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main:
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push %rbx
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mov $1, %r8 # r8 = a
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mov $1, %r9 # r9 = b
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mov $0, %r15
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mov $format, %rdi
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jmp loop
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final:
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pop %rbx
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ret
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