• acces violation
    Hi, i work on ST10F168 with 1M*16bits external RAM. I declare it in start167.A66 and in option for target/external memory. But in debug mode when i write in it with *p, an error is generate : *** error...
  • compiler bug when using B and ACC
    Anyone here with the same Problem? I think that C51 V6.14 generates wrong code. Chris the following code #pragma src #include "80CL580.H" extern handleLayer2Event( unsigned int ); //extern...
  • Locating ACC with C
    Dear all, How to locate the bit I want in ACC register? I supposed to use ACC_7 with regx51.h but it encounters error. Thanks. Bill PS. I am searching for AT89C51.h. Please notice me in case...
  • mcbstm32f400 external memory acces
    I've been trying to get the external memory on my board (mcbstm32f400) working, this is write data to it and read it, but to no succes. i've tried many 'solutions' given on the internet with no succes...
  • Writing to ACC with Code Optimization Level-9
    This article from Keil's support knowledge database shows that one can directly write to ACC from C51 code. http://www.keil.com/support/docs/1619.htm I would like to know if there are any rules...