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...
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...
clarity of dual dptr code

to make an assembly routine clearer to read, I want to indicate which of the 2 dptrs are used in each instance. One is fetch, another is store. So, to achieve that, I insert the following: fptr...
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...
clarity of dual dptr code

to make an assembly routine clearer to read, I want to indicate which of the 2 dptrs are used in each instance. One is fetch, another is store. So, to achieve that, I insert the following: fptr...