• 80C400 and function pointers?
    I'm trying to get some function pointers working on the 80C400 processor. I need them to make calls into the silicon software (ROM) library. I've tried following some suggestions in the function pointer...
  • Dallas 80C400/Tini reentrant problem
    We are using the Dallas 80C400 with the Tini operating system. Five tasks have been created and are running. There are a number of functions which are called by these tasks which need to be reentrant...
  • Dallas 80c400 access above 0x800000
    I have hardware that needs to be accessed from 0xc00000 to 0xefffff. I have tried declaring it in an external ASM file and then to use it as a extern var in C. But this does not seem to work. Please...
  • 80C400, Tini-OS disables interrupt flag EA
    We are running a 80C400 system with the TINI-OS and library and we found out that the Tini-OS disables the interrupt flag EA during the link detection procedure on the ethernet LAN port. Our indicator...
  • C51: IN-SYSTEM FLASH PROGRAMMING (PART 2) and 80c400
    I have been trying to run the demo program in the C51: IN-SYSTEM FLASH PROGRAMMING (PART 2) artical on the dallas 80c400 in contiguout mode. the only changes I have made are: change device to 80c400...