As it is possible to add the bus SM 59264 ( SyncMOS ) to the version Keil uVsion2 2,40
Adding a microprocesador (sic) is simple if the architecture (as you have selected) is '51.
just make a device.h file and off you go
Erik
The problem is: He wants to add a Spanish microprocessor, and uVision probably only understands C and assembler ;)
es.wikipedia.org/.../Microprocesador