• Difficulties with access to far memory
    Hi, I have the hardware classical 8051 with an external memory (RAM, FLASH). My program on the assembler. I don't use XBANKING.A51, L51_BANK.A51. Chips switching - simple switching of pins. It works...
  • Re: Far memory access
    Hi all, I force PK51 to generate a SRC file which convert following C code to assemble, C code: val = FVAR(unsigned char, 0x800000); assemble code MOV R3,#081H MOV R2,#00H MOV R1,#00H LCALL...
  • Dallas DS80C400 far memory access
    I'm not succeeding in accessing memory through pointers with the 24bit contiguous DS80C400 memory model. I've looked at the support doc http://www.keil.com/support/docs/2172.htm and tried adding a pointer...
  • Far Memory.
    The question is about far memory type. I use 8951RD2. I define: LX51 and AX51, use on-chip XRAM, support far memory type. The on-chip XRAM of RD2 is 1.7Kb. In listing far memory defined...
  • Far Memory
    In the new update pakage there is a subdirectory ..\c51\examples\farmemroy\4MB variable on clasic 8051, the project file "Far 8051" in this DIR can be compiled correct without any error,but when I use...