• Bug in error mesage V6.21
    When I updated from V6.20 on V6.21, the error message always pointing on a line 2 in of all *.asm file. This is a bug in my opinion. The version V6.20 is in this correct.
  • A compiler bug of Keil C V6.21
    #include <reg52.h> // Due to these two options, the // program always goes wrong. #pragma NOINTPROMOTE #pragma OPTIMIZE(7, SPEED) unsigned long xdata CommonValue; unsigned char xdata Result;...
  • v6.20 problem?
    Has anyone else tried C51 v6.20/uVision v2.20? In one of my 'C' source files with inline assembler, the new Compiler now creates an empty DATA Segment in the generated assembler. This causes the...
  • C51 V6.12 BUG Report !
    C51 V6.12 BUG Report ! void main(void) { unsigned char a_b[5][7]; unsigned char ab[5]; } Builded it,then error! Seem to a_b-->ab ,the '_' has been del?
  • C51 V6.12 BUG Report !
    C51 V6.12 BUG Report ! void main(void) { unsigned char a_b[5][7]; unsigned char ab[5]; } Builded it,then error! Seem to a_b-->ab ,the '_' has been del?