• 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...
  • MOVX
    Hello, I want to check if there is an equivalent instruction of the MOVX at the C language. I tried doing in-line assembly with no luck. Any assistance is appreciated
  • 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...
  • 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...
  • 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: ....