From: Philipp K. K. <pk...@sp...> - 2016-07-08 19:25:26
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On 08.07.2016 11:06, Maarten Brock wrote: > Hello, > > SiLabs has no dual DPTR processors. > > The EMI0CN is the equivalent of P2 on a traditional 8051 for MOVX @Ri > instructions. It is used by SDCC for pdata access. Mucking about with it > in your code can lead to 'interesting' problems, similar to writing > DPL/DPH in your code. Not something a 'real' programmer would do. > > Maarten > Shouldn't writing dpl/dph in a hand-written asm function be save, as SDCC would save/restore them if they need to be preserevd across a function call? Philipp |