adcbusy.c

sdcc是为51等小型嵌入式cpu设计的c语言编译器支持数种不同类型的cpu

#include <pic18fregs.h>

#include <adc.h>


char adc_busy(void) __naked
{
#if 0
  return (ADCON0bits.GO);
#else
  __asm
    movlw       0x00
    btfsc       _ADCON0bits, 2
    addlw       0x01
    return
  __endasm;
#endif
}