• Help On A51 EXTRN Directive
    I create a C51 project and write just one A51 subroutine(for speed).I define some SFR in the header file just like sbit FLASH_CS = P1^1; sbit A19 = P3^5; sbit A18 = P3^4; sbit A17 = P3^3; sbit A16...
  • .a51 conversion help!
    Hi all, i have made a code in C language for my project Combinational lock using 80c51 micro controller and now i want to make .a51 assembler file of my code so that i'll be able to make .Hex file...
  • #not control in A51
    Could someone help me with the following: mov a,#not 0x08 will simply place the value 0x08 into accumulator. The following however does not work and I would like to know why: bit_mask equ...
  • A51 Documentation
    I see the on-line manuals for A51. Are there pdf's so I can print them out? Does Keil sell these manuals?
  • Bug in a51
    I habe used by mistake the following line: DW 0000B the line assembles without any error to 0000h Shouldn't there not some kind of error message?