part 2
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bb8e67addf
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111
part2/main.asm
111
part2/main.asm
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@ -94,57 +94,48 @@ readval:
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;; end of readval1
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popmin:
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countnum:
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;; rdi: value to count
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;; rsi: list address
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push rbp
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mov rbp, rsp
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sub rsp, 22H
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sub rsp, 18H
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;; 8H, 0 -> min value address
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;; 12H, 8H -> min value
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;; 14H, 12H -> loop counter
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;; 22H, 14H : current address
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;; 4H, 0H -> value
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;; 8H, 4H -> counter
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;; 10H, 8H -> loop counter
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;; 18H, 10H : current address
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;; rdi: list effective address
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mov qword [rbp-8H], rdi
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mov qword [rbp-22H], rdi ; current address
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mov esi, [rdi]
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mov dword [rbp-12H], esi
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mov dword [rbp-4H], edi
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mov qword [rbp-18H], rsi ; current address
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mov dword [rbp-8H], 0
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mov ecx, 1000
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minloop:
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mov word [rbp-14H], cx
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countloop:
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mov word [rbp-10H], cx
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mov r9, qword [rbp-22H]
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mov edi, [r9] ; current value
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mov esi, dword [rbp-12H] ; min value
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mov r9, qword [rbp-18H]
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mov eax, [r9] ; curret number
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mov ebx, [rbp-4H] ; value to count
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cmp esi, 0
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je updatemin
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cmp eax, ebx
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jne next
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cmp edi, 0
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je next ; skip zeroes
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cmp edi, esi
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jle updatemin
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jmp next
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updatemin:
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mov r9, qword [rbp-22H]
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mov dword [rbp-12H], edi
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mov qword [rbp-8H], r9
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mov eax, [rbp-8H]
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inc eax
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mov [rbp-8H], eax
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next:
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mov r9, qword [rbp-22H]
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;; go to next number
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mov r9, qword [rbp-18H]
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add r9, 4H
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mov qword [rbp-22H], r9
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mov qword [rbp-18H], r9
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mov cx, [rbp-10H]
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dec cx
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jnz minloop
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jnz countloop
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mov rax, qword [rbp-8H]
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mov dword [rax], 0H
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mov eax, dword [rbp-12H]
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mov eax, dword [rbp-8H]
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mov rsp, rbp
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pop rbp
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@ -243,58 +234,46 @@ loop0:
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jnz loop0
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mov qword [rbp-42H], 0 ; sum = 0
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lea rax, [rbp-2000H]
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mov qword [rbp-50H], rax
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mov ecx, 1000
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sumloop:
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mov word [rbp-19H], cx
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;; 50H - 46H : min1
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;; 46H - 42H : min2
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;; 42H - 34H : sum
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;; 50H - 44H : actual address
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;; 42H - 38H : sum
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lea rdi, [rbp-2000H]
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call popmin
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mov dword [rbp-50H], eax
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mov rdi, qword [rbp-50H]
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mov rdi, [rdi]
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lea rdi, [rbp-1000H]
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call popmin
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mov dword [rbp-46H], eax
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lea rsi, [rbp-1000H]
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call countnum
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xor rax, rax
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mov eax, dword [rbp-50H]
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mov ebx, dword [rbp-46H]
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mov rbx, qword [rbp-50H]
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mov ebx, [rbx]
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mul ebx
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cmp eax, ebx
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jge a
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jmp b
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mov ebx, [rbp-42H]
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add ebx, eax
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mov [rbp-42H], ebx
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a:
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sub eax, ebx
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jmp sum
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b:
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sub ebx, eax
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mov eax, ebx
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jmp sum
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sum:
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mov rbx, qword [rbp-42H]
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add rbx, rax
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mov qword [rbp-42H], rbx
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;; go to next number
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mov r9, qword [rbp-50H]
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add r9, 4H
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mov qword [rbp-50H], r9
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mov cx, word [rbp-19H]
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dec cx
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cmp cx, 0
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jnz sumloop
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;; print sys_close result
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lea rdi, [nbr_str]
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mov rsi, qword [rbp-42H]
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call printvalue
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close_file:
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;; sys_close
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mov rax, 3 ; sys_close
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