Add: semi-working printf implementation

2024-05-26 15:43:30 +02:00
parent 61dec7fe14
commit bb775dfa5b
9 changed files with 250 additions and 2 deletions
--- a/io.s
+++ b/io.s
@@ -12,3 +12,23 @@ inb:
  mov dx, [esp + 4]
  in al, dx
  ret
+
+global x86_div64_32
+
+x86_div64_32:
+  mov eax, [bp+8]
+  mov ecx, [bp+12]
+  xor edx, edx
+  div ecx
+
+  mov bx, [bp+16]
+  mov [bx+4], eax
+
+  mov eax, [bp+4]
+  div ecx
+
+  mov [bx], eax
+  mov bx, [bp+18]
+  mov [bx], edx
+
+  ret