<dd>Type of CPU. Recognized types are: 51, 8051, 8751, C51, 80C51,
87C51, 31, 8031, C31, 80C31, 52, 8052, 8752, C52, 80C52, 87C52, 32,
8032, C32, 80C32, 51R, 51RA, 51RB, 51RC, C51R, C51RA, C51RB, C51RC,
-89C51R, 251, C251. Note that recongition of a CPU type as option does
+89C51R, 251, C251, DS390. Note that recongition of a CPU type as option does
not mean that the simulator can simulate that kind of CPU. Default
type is C51.