Working version

main.asm

@@ -15,6 +15,12 @@ fd_str:  db "file descriptor", 0
 close_str:  db "close", 0
 content_str:  db "Content: '%s'", 10, 0
 nbr_str:  db "number", 0
+ecx_str:  db "ecx", 0
+pecx_str:  db "pecx", 0
+a_str:  db "a", 0
+b_str:  db "b", 0
+d_str:  db "d", 0
+
 
 exitcode: dw 0
 
@@ -95,6 +101,74 @@ readval:
 ;; end of readval1
 
 
+popmin:
+  push rbp
+  mov rbp, rsp
+  sub rsp, 22H
+
+  ;; 8H, 0 -> min value address
+  ;; 12H, 8H -> min value
+  ;; 14H, 12H -> loop counter
+  ;; 22H, 14H : current address
+
+  ;; rdi: list effective address
+  mov qword [rbp-8H], rdi
+  mov qword [rbp-22H], rdi                   ; current address
+
+  mov esi, [rdi]
+  mov dword [rbp-12H], esi
+
+  mov ecx, 1000
+  minloop:
+  mov word [rbp-14H], cx
+
+  ;; lea rdi, [pecx_str]
+  ;; mov esi, ecx
+  ;; call printvalue
+
+  mov r9, qword [rbp-22H]
+  mov edi, [r9]                  ; current value
+  mov esi, dword [rbp-12H]           ; min value
+
+  cmp esi, 0
+  je updatemin
+
+  cmp edi, 0
+  je next                       ; skip zeroes
+
+  cmp edi, esi
+  jle updatemin
+  jmp next
+
+updatemin:
+  mov r9, qword [rbp-22H]
+  mov dword [rbp-12H], edi
+  mov qword [rbp-8H], r9
+
+next:
+  mov r9, qword [rbp-22H]
+  add r9, 4H
+  mov qword [rbp-22H], r9
+
+  mov cx, [rbp-14H]
+  cmp cx, 2
+  jne d
+
+  jmp d
+
+d:
+  dec cx
+  jnz minloop
+
+  mov rax, qword [rbp-8H]
+  mov dword [rax], 0H
+  mov eax, dword [rbp-12H]
+
+  mov rsp, rbp
+  pop rbp
+  ret
+
+
 _start:
   push rbp
   mov rbp, rsp
@@ -129,7 +203,7 @@ _start:
   mov word [rbp-14H], 0H         ; line number
 
   mov cx, [nb_lines]            ; number of lines
-loop:
+loop0:
   mov [rbp-19H], cx             ; store loop counter
 
   ;; read the 1st value
@@ -143,7 +217,7 @@ loop:
   ;; calculate list position
   xor rax, rax
   mov ax, word [rbp-14H]
-  mov bx, 2H
+  mov bx, 4H
   mul bx
   ;; 14H -> 12H : line counter
   mov rbx, 2000H
@@ -184,15 +258,17 @@ loop:
 
   mov cx, [rbp-19H]             ; restore loop counter
   dec cx
-  jnz loop
+  jnz loop0
 
-  ;; print values
+  ;; PRINT VALUES
 
   mov word [rbp-14H], 0         ; line number
   xor ecx, ecx
   mov ecx, 2024                 ; There are 24 dword between address 1060H and 1000H
 
-  .loop:
+  jmp skip
+
+  .loop1:
   mov [rbp-19H], cx             ; store loop counter
 
   ;; calculate list 1 position
@@ -213,7 +289,76 @@ loop:
   inc word [rbp-14H]
 
   mov cx, [rbp-19H]
-  loop .loop
+  loop .loop1
+
+skip:
+
+  mov ecx, 1000
+sumloop:
+  mov word [rbp-19H], cx
+
+  ;; 50H - 46H : min1
+  ;; 46H - 42H : min2
+  ;; 42H - 34H : sum
+
+  ;; lea rdi, [ecxnext_str]
+  ;; mov esi, ecx
+  ;; call printvalue
+
+  lea rdi, [rbp-2000H]
+  call popmin
+  mov dword [rbp-50H], eax
+
+  ;; lea rdi, [a_str]
+  ;; mov esi, eax
+  ;; call printvalue
+
+  lea rdi, [rbp-1000H]
+  call popmin
+  mov dword [rbp-46H], eax
+
+  ;; lea rdi, [b_str]
+  ;; mov esi, eax
+  ;; call printvalue
+
+  xor rax, rax
+  mov eax, dword [rbp-50H]
+  mov ebx, dword [rbp-46H]
+
+  cmp eax, ebx
+  jge a
+  jmp b
+
+a:
+  sub eax, ebx
+  jmp sum
+
+b:
+  sub ebx, eax
+  mov eax, ebx
+  jmp sum
+
+sum:
+  mov rbx, qword [rbp-42H]
+  add rbx, rax
+  mov qword [rbp-42H], rbx
+
+  ;; lea rdi, [d_str]
+  ;; mov rsi, rax
+  ;; call printvalue
+
+  mov cx, word [rbp-19H]
+  dec cx
+  cmp cx, 0
+  jnz sumloop
+
+  mov rax, qword [rbp-42H]
+
+  ;; print sys_close result
+  lea rdi, [nbr_str]
+  mov rsi, rax
+  call printvalue
+
 
 
 close_file: