• Dallas 390 contiguous mode problems
    Is anyone else out there having problems with Dallas 80c390 contiguous mode? We are using Keil c51 version 6.14 and the PK51 development system. (Lx51 linker, Ax51 assembler) I am a little bit confused...
  • Dallas DS5240 24bits Contiguous Mode
    I now use Keil C51 v6.11. I have written a program and compile in 16bits large mode. It works properly in the hardware. However, when I change it into 24bits Contiguous Mode (512K or 16MB), I find...
  • function pointers in Dallas 390 contiguous mode
    I was struggling with the function pointer in Dallas 390 contiguous mode. It seems that the linker might not relocate the correct address in function pointer. Check the following code: void Test(void...
  • Code works in A51, not in Dallas contiguous mode
    I'm trying to port uC/OS for use in a Dallas 5240. It works well when I use the standard linker/assembler but breaks when I switch to the extended versions. When I assemble, I get five of these: ...
  • Libraries on contiguous mode
    I want to make a program for DS5240 target on contiguous mode. 1) What is a diference between 512K and 16M program options? 2) I have old c51 64k mode libraries that I need to use in my program...