• 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...
  • Dual DPTR in the Debuger
    Hi! I use a T89C51CC01 from Atmel WM, I would like to use the dual dptr feature on my program. When I run the Debugger, i can't switch the DPTR. In the µC manual, it says that we must set the DPS...
  • Dual "far" DPTRs
    C51 7.0 supports dual DPTRs, at least in some major library routines. It also supports an extended DPTR. I'd like to be able to do both at once, to do block moves from far xdata to far xdata. It doesn...