• Movx command in Keil
    Hello all, I'm using Keil uVision2 Version 7.05, and everything seems to be OK. However, there is one thing I don't quite understand, thus I'm posting here asking for your ideas/opinions. When I run...
  • MOVX a,@R0 vs a,@DPTR
    Dear Sir/Madam; Hi How can I force the compiler to using MOVX a,@R0/1 (8Bit address) vs 16bit external memory access. Best Regards
  • c code for movx
    i have done most of my past code in assembly language programming for past school projects. this is the first time i have written in c and i am not able to write this code for movx..that is sending...
  • C51S and movx/xdata
    Since Keil (as opposed to some other compilers) do not supply the library in source, I have a question: I am tasked with debugging some glitches in a very strange design: External memory is used and...
  • Simulating dual DPTR & movx for AT89S8252
    Hi! I'm simulating my program (ASM) in uVision v7.02a. When reading a byte from AT89S8252's internal EEPROM the movx instruction always uses the 1st DPTR, though the DPS is set to the 2nd DPTR. On...