sp.c

来自「2407的一些源代码」· C语言 代码 · 共 56 行

#include <absacc.h>

#define   IN2BC               0x7fb9
#define   OUT2BC              0x7fC9
#define   IN2CS               0x7fb8
#define   OUT2CS              0x7fC8
#define   IN2BUF              0x7E00
#define   OUT2BUF             0x7DC0
//===================================
#define   IN4BC               0x7fBD     //P189
#define   OUT4BC              0x7fCD
#define   IN4CS               0x7fBC
#define   OUT4CS              0x7fCC
#define   IN4BUF              0x7D00    //P172
#define   OUT4BUF             0x7CC0
//==================================
#define   CPUCS               0x7f92   //P175
//==========PORT A B C 控制===========
#define   PORTACFG            0x7f93   //P176
#define   PORTBCFG            0x7f94
#define   PORTCCFG            0x7f95 

#define   OUTA                0x7f96
#define   OUTB                0x7f97
#define   OUTC                0x7f98

#define   PINSA               0x7f99
#define   PINSB               0x7f9A
#define   PINSC               0x7f9B

#define   OEA                 0x7f9C
#define   OEB                 0x7f9D
#define   OEC                 0x7f9E
//=====================================
#define   OEA                 0x7f9C
 


main()
{
     unsigned    char  i,j;
     while(1)
     {
          while(XBYTE[OUT2CS]&0X80);
          while(XBYTE[IN2CS]&0X80);

          i=XBYTE[OUT2BC];
          for(j=0;j<i;j++)
             {
             XBYTE[IN2BUF+j]=XBYTE[OUT2BUF+j]+1; 
			 }
			 XBYTE[IN2BC]=XBYTE[OUT2BC];
			 XBYTE[OUT2BC]=XBYTE[OUT2BC];
      }	
}