• debugging with multiple dptrs?
    Has anyone had problems seeing multiple dptrs in the regs window during hardware debugging? We have two memory mapped dptrs. When I run the debug under Keil simulation, I can see both dptrs in the regs...
  • Unfamaliar Syntax used with DPTR register
    I have encountered an unfamiliar command syntax from an old assembly listing: MOV DPTR,#SFE (X_UDATA) . . . MOV DPTR,#SFB (X_UDATA) . . . RSEG X_UDATA What is SFE and SFB trying...
  • 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...