School Commit Init

Anul 1/Semestrul 1/ASC/Homework 2/Multiplications, divisions/a,b,c -byte, d - word/1/main.asm

@@ -0,0 +1,35 @@
+bits 32 ; assembling for the 32 bits architecture
+
+; declare the EntryPoint (a label defining the very first instruction of the program)
+global start        
+
+; declare external functions needed by our program
+extern exit               ; tell nasm that exit exists even if we won't be defining it
+import exit msvcrt.dll    ; exit is a function that ends the calling process. It is defined in msvcrt.dll
+                          ; msvcrt.dll contains exit, printf and all the other important C-runtime specific functions
+
+; our data is declared here (the variables needed by our program)
+segment data use32 class=data
+    ; ...
+    a db 10
+    b db 12
+    c db 8
+    d dw 45
+
+; our code starts here
+segment code use32 class=code
+    start:
+        ; ...
+        mov al,[a]
+        add al,[b]
+        sub al,[c]
+        mov bl,2
+        mul bl
+        add ax,[d]
+        sub ax,5
+        mov bx,[d]
+        mul bx
+        
+        ; exit(0)
+        push    dword 0      ; push the parameter for exit onto the stack
+        call    [exit]       ; call exit to terminate the program

Anul 1/Semestrul 1/ASC/Homework 2/Multiplications, divisions/a,b,c -byte, d - word/16/main.asm

@@ -0,0 +1,42 @@
+bits 32 ; assembling for the 32 bits architecture
+
+; declare the EntryPoint (a label defining the very first instruction of the program)
+global start        
+
+; declare external functions needed by our program
+extern exit               ; tell nasm that exit exists even if we won't be defining it
+import exit msvcrt.dll    ; exit is a function that ends the calling process. It is defined in msvcrt.dll
+                          ; msvcrt.dll contains exit, printf and all the other important C-runtime specific functions
+
+; our data is declared here (the variables needed by our program)
+segment data use32 class=data
+    ; ...
+    a db 10
+    b db 12
+    c db 5
+    d dw 45
+; our code starts here
+segment code use32 class=code
+    start:
+        ; ...
+        mov ax,0
+        mov al,[a]
+        add al,[b]
+        mov bl,2
+        div bl
+        mov bl,al
+        mov ax,0
+        mov al,[a]
+        div byte [c]
+        mov cl,10
+        sub cl,al
+        add bl,cl
+        mov ax,0
+        mov al,[b]
+        mov cl,4
+        div cl
+        add bl,al
+        
+        ; exit(0)
+        push    dword 0      ; push the parameter for exit onto the stack
+        call    [exit]       ; call exit to terminate the program

Anul 1/Semestrul 1/ASC/Homework 2/Multiplications, divisions/a,b,c,d - byte, e,f,g,h - word/1/main.asm

@@ -0,0 +1,34 @@
+bits 32 ; assembling for the 32 bits architecture
+
+; declare the EntryPoint (a label defining the very first instruction of the program)
+global start        
+
+; declare external functions needed by our program
+extern exit               ; tell nasm that exit exists even if we won't be defining it
+import exit msvcrt.dll    ; exit is a function that ends the calling process. It is defined in msvcrt.dll
+                          ; msvcrt.dll contains exit, printf and all the other important C-runtime specific functions
+
+; our data is declared here (the variables needed by our program)
+segment data use32 class=data
+    ; ...
+    a db 10
+    b db 2
+    c db 16
+    d db 42
+    e dw 52
+    f dw 16
+    g dw 36
+    h dw 28
+; our code starts here
+segment code use32 class=code
+    start:
+        ; ...
+        mov al,[a]
+        sub al,[b]
+        mov bl,4
+        mul bl
+        div byte [c]
+
+        ; exit(0)
+        push    dword 0      ; push the parameter for exit onto the stack
+        call    [exit]       ; call exit to terminate the program

Anul 1/Semestrul 1/ASC/Homework 2/Multiplications, divisions/a,b,c,d - byte, e,f,g,h - word/16/main.asm

@@ -0,0 +1,34 @@
+bits 32 ; assembling for the 32 bits architecture
+
+; declare the EntryPoint (a label defining the very first instruction of the program)
+global start        
+
+; declare external functions needed by our program
+extern exit               ; tell nasm that exit exists even if we won't be defining it
+import exit msvcrt.dll    ; exit is a function that ends the calling process. It is defined in msvcrt.dll
+                          ; msvcrt.dll contains exit, printf and all the other important C-runtime specific functions
+
+; our data is declared here (the variables needed by our program)
+segment data use32 class=data
+    ; ...
+    a db 10
+    b db 25
+    c db 2
+    d db 64
+    e dw 25
+    f dw 17
+    g dw 85
+    h dw 19  
+
+; our code starts here
+segment code use32 class=code
+    start:
+        ; ...
+        mov al,[a]
+        mul al
+        mov bx,[e]
+        add bx,[f]
+        sub ax,bx
+        ; exit(0)
+        push    dword 0      ; push the parameter for exit onto the stack
+        call    [exit]       ; call exit to terminate the program