• A51 Assembler case-sensitive
    A quick question: Is A51 Assembler case-sensitive? Thanks Brian
  • A51 Assembler has stopped working
    Hello, I'm relatively new when this MCU Architecture (C8051F340) is concerned. So, I have to further develop project that had been done by my former colleague. The project with all his files was...
  • A51 :How to Clear UART with Assembler
    Hi everyone, i write an assembler-program with Keil µ-Vision with the device C515C-L which has an 8051 architecture. Now I try to clear the UART window in the simulator with some assembler code. Does...
  • A51 assembler, equivalent dup directive?
    I hope my request is simple. I come from a x86/MASM background. I’m trying simply to reserve a block of memory. With MASM, I’d simply do the following: db how_many dup (?) It seems the a51...
  • #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...