• direction IN / OUT
    I'm a new user and after reading documentation still confused about the direction to use. To send data from my PC to the periphery via the USB I have to use endpointbufferOUT+ IOCTL_EZUSB_WRITE or is...
  • "NUMBER" directive
    Hello All, I need some help here on this directive... I have two files main.asm and lcd.asm I have declared the port pin as "light equ p2.1" in lcd.asm I am able to access all other function...
  • Assembler Directives
    Can any one help me by clarifying EQU assembler directives in 8051 ?
  • Re:NOAREGS directive
    Hi, I have a function which is called from interrupt routine and main loop, let's call it f1(),since it is also called from main loop, so NOAREGS must be specified. #pragma NOAREGS void f1(...
  • Direct Addressing
    I am using 89c51. In ASM when I use the command to access the direct address, in some cases its work perfectly but in some case its didn’t work When I use this command MOV 80H, #0d ...