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hello , i am having some problems with the multiplication division unit of the xc878 infineon microcontroller. i am trying to do a shift operation. the number to be shifted is a 32 bit. lets say i want to do this: 0x00FB00FF >> 16. i would require the MD0,MD1,MD2,MD3 registers. now my problem. i can load the MD0 and MD1 registers but i dont know how to load the MD2 and MD3 registers. please kindly help out. stephen
I recommend to use an assembly module.
I believe that the Infineon XC800 is compatible with this http://www.keil.com/support/man/docs/c51/c51_mdu_r515.htm
Using the MDU_R515 directive should therefore automatically use the MDU.