• Sometimes DIVSION doesn't work in Dallas 390
    This is a test project in Dallas 390 and the target options-Use On-chip Arithmatic Accelerator is selected main.c: void main(void) { unsigned int i = 2008; unsigned char ch; ch = i%100; ch ...
  • Xdata on Dallas 390
    Hi, I'm in desperate need of a known working example(hopefully in c, with a uv2 project would be even better), of different chip enacble pins running. I'm trying to run a display and RAM on a multiplexed...
  • Dallas 390 Evaluation
    Several years ago we started a project using the Dallas 390 but we run into problems, at that time we did not know if they were bugs in the micro it self, board design or faulty assemply. We want to...
  • 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...
  • 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...