• Is it a bug or a feature? double and static double
    Recently, I have seen a very strange behaviour on uvision4. When I use a local double variable in my function, it compiles but I see NOP on disassamble window which corresponds to my variable.What...
  • how to use inter 1k ram of DS89C420 and use the double DPTR!
    if i define a varial eg: int k[500]; but i can't find the keil use the inter 1k ram of ds89c420! in the ASM sourse I can't find any code about DPTR2! thank you !
  • Dual DPTR
    Hi I want to use dual DPTR on my 89c669 from Philips. When i insert the pragma #pragma modp2 I get this error(s) *** ERROR L127: UNRESOLVED EXTERNAL SYMBOL SYMBOL: ?C?STRCPYP2 MODULE: ....
  • PC to DPTR ?
    Hi, How to move the program counter(PC) to DPTR.Can any one suggest on this. Thanks in advance, Regards, Gopi
  • Wrong DPTR value
    Dear Sirs, The C code in my project is: TaskStruct xdata * data pTask; data unsigned char Task; ... *pTask->ProcID=Task; causes the assembly code MOV A,pTask+1 ADD A,#06 LCALL 4629...