stprog.c

来自「不少单片机C代码」· C语言 代码 · 共 34 行

#include <absacc.h>
#include <reg51.h>
#define COM8255 XBYTE[0x07ff]
#define PA8255  XBYTE[0x07fc]
#define PB8255  XBYTE[0x07fd]
#define PC8255  XBYTE[0x07fe]
#define uchar unsigned char
#define uint  unsigned int

void dl_ms(uint x);

void program(ram,eprom,con)
uchar xdata *ram;
uint  eprom,con;
{ int i;
  COM8255=0x80;
  COM8255=0x0f;
  for(i=0;i<con;i++)
  { PA8255=*ram;
    PB8255=eprom%256;
    PC8255=eprom/256;
    eprom++;
    ram++;
    COM8255=0x0e;
    dl_ms(50); 
    COM8255=0x0f;
  }
}

main() {
   program (0x1000,0x0000,0x0100);
}