• PDATA linking
    I am trying to get the pdata access to work but keep running into this *** ERROR L107: ADDRESS SPACE OVERFLOW SPACE: PDATA SEGMENT: ?PD?RAE LENGTH: 000026H I am using the actel core8051 module...
  • PDATA Segment
    I am not sure, if I have understood the usage of the PDATA segment properly. When pdata is used (in the compact memory model), the variables in the external memory can be addressed with MOVX A,@Rx...
  • pdata paging
    Hello, I'm using a Cygnal C8051F020 that has a nice fat 8k SRAM and a nifty register EMI0CN that allows "paging" of the pdata segment into the 8k. 1) How do I get the compiler to accept the fact...
  • pdata usage
    Hi, I have used the Large data model. On compiling, Keil shows me the data and xdata usage - but not the pdata usage. My hardware has 512 bytes of pdata. Even if I move some data using the...
  • PDATA question
    I have not used PDATA before, so this may be a silly question. Can I set up PDATA dynamically (within the code) to any 256-byte chunk of xdata? So I can change where the PDATA is "looking" in xdata on...