Data commit

Task/Copy-a-string/X86-Assembly/copy-a-string-1.x86

@@ -0,0 +1,20 @@
+section .data
+    string db "Hello World", 0
+
+section .bss
+    string2 resb 12
+
+section .text
+global _main
+_main:
+    mov ecx, 0
+    looping:
+        mov al, [string + ecx]
+        mov [string2 + ecx], al
+        inc ecx
+        cmp al, 0 ;copy until we find the terminating 0
+        je end
+        jmp looping
+    end:
+        xor eax, eax
+        ret

Task/Copy-a-string/X86-Assembly/copy-a-string-2.x86

@@ -0,0 +1,22 @@
+section .data
+    string db 11,"Hello World"
+
+section .bss
+    string2 resb 12
+
+section .text
+global _main
+_main:
+    xor ecx, ecx ;clear ecx
+    mov cl, [string]
+    mov [string2], cl ;copy byte signaling length
+    mov edx, 1
+    looping: ;copy each single byte
+        mov al, [string + edx]
+        mov [string2 + edx], al
+        inc edx
+        dec ecx
+        cmp ecx, 0
+        jg looping
+    xor eax, eax
+    ret