• xdata and compact memory model
    If I'm using the compact memory model, which implicitly sticks variables in xdata, but also declare a variable (in this case a char[]) to go in xdata, it appears to use the wrong pointer type. Thus, I...
  • size of reentrant stack of compact model
    The user manual of Cx51 describes that maximum size of reenterant stack in compact memory model is 256 Bytes . While in STARTUP.A51 sets its top to 0xFFFFh which is 64 KBytes. Can any body tell me what...
  • Compact reentrant model local variables
    When using compact reentrant functions and RTX51 I cannot see local variable and parameter values in the debugger using MON51...The values shown seem to be addresses instead of the values !?!
  • Compact flash memory
    Hi all, I am trying to store some data in compact flash memory card. Directory creation, File creation and writing data into file is working fine. But i want to know the available free memory of the...
  • mon51
    I'm using PHILIPS 89C51RD2, it has 64K internal FLASH and ISP, how to modify MON51 program to fit this internal FLASH so that I can conect PHILIPS89C51RD2 chip with UV2 directly without external RAM expadation...