• bit ops: why does this work?
    from reading the docs, i cannot understand why this code __works__?: union _word { uint word; struct { uchar low; uchar hi; } bytes; }; static bdata uint bstate = 0; sbit sb_AC_IS_OK =...
  • Why does the RTX51_full can not work?
    In the uvision2,I simulate it,It can work.<br> but I load to the target(T89C51RD2&P89C668),<br> It can not work.why?<br> C51 vision is 7.01.<br> RTX51 vision is 5.1.<br> <br> Here is the built info...
  • Why does the RTX51_full can not work?
    In the uvision2,I simulate it,It can work.<br> but I load to the target(T89C51RD2&P89C668),<br> It can not work.why?<br> C51 vision is 7.01.<br> RTX51 vision is 5.1.<br> <br> Here is the built info...
  • Why does this piece of assembly not work?
    Hello all, Can you tell mw why this piece of code: LDMDB R13, {R0 - LR}^ NOP MOVS PC, LR // hand over control to task does not update registers R13 and R14 (but does update R0 - R12)? The...
  • Why it not work?
    I use Dallas DS5002,My progrem work good in samll mode,but I compiler it in compact or large mode,it can not work.My progrem data variable is too many,stact is overflow in samll mode.I must use compact...