diff --git a/README.md b/README.md
index fc65417..59194c3 100644
--- a/README.md
+++ b/README.md
@@ -129,7 +129,7 @@ unary       = deref identifier
             | "(" expr ")"
             | identifier
             | integer
-op          = "+" | "-" | "&" | "|" | "^" | "<<" | ">>"
+op          = "+" | "-" | "*" | "/" | "&" | "|" | "^" | "<<" | ">>"
             | "==" | "!=" | "<" | ">" | "<=" | ">="
 ```
 
diff --git a/examples/test_division.c b/examples/test_division.c
new file mode 100644
index 0000000..845324e
--- /dev/null
+++ b/examples/test_division.c
@@ -0,0 +1,28 @@
+int x;
+int y;
+int result;
+
+void test_division()
+{
+  x = 100;
+  y = 3;
+  result = x / y;
+
+  print_num = result;
+  print_i16();
+  print_newline();
+
+  x = 50;
+  y = 5;
+  result = x / y;
+
+  print_num = result;
+  print_i16();
+  print_newline();
+}
+
+void _start()
+{
+  test_division();
+  while( 1 ){ }
+}
diff --git a/lint/lint.c b/lint/lint.c
index 12fcad8..b4f74aa 100644
--- a/lint/lint.c
+++ b/lint/lint.c
@@ -47,6 +47,7 @@ typedef int64_t  i64;
   _( TOK_SUB,         "-",           65533      )\
   _( TOK_ADD,         "+",           65531      )\
   _( TOK_MUL,         "*",           65530      )\
+  _( TOK_DIV,         "/",           65535      )\
   _( TOK_OR,          "|",           76         )\
   _( TOK_XOR,         "^",           46         )\
   _( TOK_SHL,         "<<",          132        )\
@@ -405,6 +406,7 @@ static bool tok_oper_is(void)
     tok_kw_is(TOK_ADD) ||
     tok_kw_is(TOK_SUB) ||
     tok_kw_is(TOK_MUL) ||
+    tok_kw_is(TOK_DIV) ||
     tok_kw_is(TOK_ADDR) ||  // "AND" in this context
     tok_kw_is(TOK_OR) ||
     tok_kw_is(TOK_XOR) ||
diff --git a/sectorc.s b/sectorc.s
index 0379092..cb361c5 100644
--- a/sectorc.s
+++ b/sectorc.s
@@ -24,6 +24,7 @@
 %define TOK_SUB         65533
 %define TOK_ADD         65531
 %define TOK_MUL         65530
+%define TOK_DIV         65535
 %define TOK_AND         65526
 %define TOK_OR          76
 %define TOK_XOR         46
@@ -247,7 +248,18 @@ _found:
 
   pop bx                        ; restore 16-bit of machine-code
   cmp bh,0xc0                   ; detect the special case for comparison ops
+  je emit_cmp_op
+  cmp bh,0xd0                   ; detect division op
   jne emit_op
+
+  ; division operator inline
+  mov ax,0xd231                 ; code for "xor dx,dx"
+  stosw                         ; emit
+  mov ax,0xf1f7                 ; code for "div cx"
+  stosw                         ; emit
+  pop ds
+  ret
+
 emit_cmp_op:
   mov ax,0xc839                 ; code for "cmp ax,cx"
   stosw                         ; emit
@@ -258,7 +270,7 @@ emit_cmp_op:
   ;; [fall-through]
 
 emit_op:
-  mov ax,bx
+  xchg ax,bx                    ; 1 byte instead of mov ax,bx (2 bytes)
   stosw                         ; emit machine code for op
   pop ds
   ret
@@ -402,7 +414,8 @@ getch_done:
 binary_oper_tbl:
   dw TOK_ADD,0xc103             ; add ax,cx
   dw TOK_SUB,0xc12b             ; sub ax,cx
-  dw TOK_MUL,0xe1f7             ; mul ax,cx
+  dw TOK_MUL,0xe1f7             ; mul cx
+  dw TOK_DIV,0xd0f1             ; div cx (marker: 0xd0, low byte is F1 for "div cx")
   dw TOK_AND,0xc123             ; and ax,cx
   dw TOK_OR,0xc10b              ; or ax,cx
   dw TOK_XOR,0xc133             ; xor ax,cx