• Does Keil simulator fix pdata on on-chip XRAM page 0 if on-chip XRAM MCU present?
    I build a C51 program and want to show someone else how the pdata variable is stores in C51. The result seemed there exit some problem. I found if I select non on-chip XRAM such as Philips P89C51, the...
  • Does Keil simulator fix pdata on on-chip XRAM page 0 if on-chip XRAM MCU present?
    I build a C51 program and want to show someone else how the pdata variable is stores in C51. The result seemed there exit some problem. I found if I select non on-chip XRAM such as Philips P89C51, the...
  • 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...