ADD AX,253Ah
  		053A25h
  		05253Ah
+  		8100253Ah
-		81003A25h


ADD [SI+12h],7856h
+  		8144125678h

ADD DI, [DI]
+ 		033Dh

SUB AL,25h
+ 		80C025h


ADD AL, 12h
+  		0412h

ADD DH, 12h
+  		80C612h

ADD [BX+SI], AX
+ 		0100h


ADD CL, 12h
+		80C112h

ADD AL,25h
+- 		80C025h
      	80E825h
 
SUB [SI+12h],7856h
+ 		816C125678h

SUB [DI+12h],3456h
+ 		816D125634h

SUB [SI+12h], DX
+  		295412h

ADD DI, [DI]
  		033Dh
-  		013Dh
  		037D00h

SUB [DI+12h], DX
+  		295512h

ADD AX, 1234h
- 		83003412h
        81003412h