Lab5

laborator/content/introducere-asamblare/1-2-hello-world/hello_world.asm

@@ -2,6 +2,7 @@
 
 section .data
     myString: db "Hello, World!", 0
+    myownString: db "Goodbye, World!", 0
 
 section .text
     global main
@@ -12,12 +13,13 @@ main:
     mov eax, 1
     mov ebx, 1
     cmp eax, ebx
-    je print                        ; TODO1: eax > ebx?
+    je print                      ; TODO1: eax > ebx?
     ret
 
 print:
     PRINTF32 `%s\n\x0`, myString
-                                    ; TODO2.2: afisati "Hello, World!" de N ori
-                                    ; TODO2.1: afisati "Goodbye, World!"
-
+    sub ecx,eax
+    cmp ecx,0
+    jne print                                ; TODO2.2: afisati "Hello, World!" de N ori
+    je  PRINTF32 `%s\n\x0`, myownString        ; TODO2.1: afisati "Goodbye, World!"PRINTF32 `%s\n\x1`, myownString
     ret

laborator/content/introducere-asamblare/3-grumpy-jumps/grumpy_jumps.asm

@@ -9,8 +9,8 @@ section .text
     extern printf
 
 main:
-    mov eax, 0xdeadc0de         ; TODO3.1: modify eax register
-    mov ebx, 0x1337ca5e         ; TODO3.1: modify ebx register
+    mov eax, 0x1         ; TODO3.1: modify eax register
+    mov ebx, 0x4      ; TODO3.1: modify ebx register
     mov ecx, 0x5                ; hardcoded; DO NOT change
     cmp eax, ebx
     jns bad
@@ -19,10 +19,9 @@ main:
     add eax, ebx
     xor eax, ecx
     jnz bad
-
 good:
     PRINTF32 `%s\n\x0`, right
-
+    ret
 bad:
     PRINTF32 `%s\n\x0`, wrong
     ret

laborator/content/introducere-asamblare/4-sets/sets.asm

@@ -12,22 +12,38 @@ main:
     PRINTF32 `%u\n\x0`, ebx ; afiseaza cea de-a doua multime
 
     ; TODO1: reuniunea a doua multimi
-
+    mov ecx, eax
+    or ecx, ebx
+    PRINTF32 `%u\n\x0`, ecx ; afiseaza prima multime
 
     ; TODO2: adaugarea unui element in multime
-
+    mov ecx, eax
+    or ecx, 0x22
+    PRINTF32 `%u\n\x0`, ecx ; afiseaza prima multime
 
     ; TODO3: intersectia a doua multimi
-
+    mov ecx, eax
+    mov edx, eax
+    xor ecx, ebx
+    sub edx,ecx
+    PRINTF32 `%u\n\x0`, edx ; afiseaza prima multime
 
     ; TODO4: complementul unei multimi
-
+    mov ecx, eax
+    not ecx
+    and ecx, 0x00000111 ;il aducem in 4 biti
+    PRINTF32 `%u\n\x0`, ecx ; afiseaza prima multime
 
     ; TODO5: eliminarea unui element
-
+    mov ecx, eax
+    mov edx, 0x17
+    not edx
+    and ecx,edx
+    PRINTF32 `%u\n\x0`, ecx ; afiseaza prima multime
 
     ; TODO6: diferenta de multimi EAX-EBX
-
+    xor eax,ebx
+    PRINTF32 `%u\n\x0`, eax
 
     xor eax, eax
     ret

laborator/content/introducere-asamblare/5-min/min.asm

@@ -6,9 +6,16 @@ section .text
 
 main:
     ;cele doua numere se gasesc in eax si ebx
-    mov eax, 4
-    mov ebx, 1
+    mov eax, 1
+    mov ebx, 3
     ; TODO: aflati minimul
+    mov ecx, eax
+    cmp ecx, ebx
+    jg swap
+back:
     PRINTF32 `%d\n\x0`, eax ; afiseaza minimul
-
     ret
+
+swap:
+    xchg eax, ebx
+    jmp back

laborator/content/introducere-asamblare/6-fibonacci/fibonacci.asm

@@ -5,8 +5,20 @@ section .text
     extern printf
 
 main:
-    mov eax, 7       ; vrem sa aflam al N-lea numar; N = 7
+    mov eax, 4       ; vrem sa aflam al N-lea numar; N = 7
+    mov ebx, 0
+    mov ecx, 1
+    mov edx, 0
+start:
+    cmp eax, 0
+    jne addone
+    je PRINTF32 `%d\n\x0`, ebx ; afiseaza numarul
+    ret
 
-    ; TODO: calculati al N-lea numar fibonacci (f(0) = 0, f(1) = 1)
+addone:
+    sub eax, 1  ;scadem pasul
+    mov edx, ecx    ;valoarea mare e pastrata
+    add ecx, ebx    ;valoarea mare e incementata cu cea precedenta
+    mov ebx, edx    ;valoarea mare devine cea mica
+    jmp start
 
-    ret