#ifndef    _cpld_
#define    cpld
#else
#define    cpld   extern                                     
#endif

#define SETRCK P4DIR|=BIT0;P4OUT|=BIT0;
#define CLRRCK P4DIR|=BIT0;P4OUT&=~BIT0;

#define SETSCK P4DIR|=BIT1;P4OUT|=BIT1;
#define CLRSCK P4DIR|=BIT1;P4OUT&=~BIT1;

#define SETSER P4DIR|=BIT6;P4OUT|=BIT6;
#define CLRSER P4DIR|=BIT6;P4OUT&=~BIT6;

#define input_load0  P4DIR=P4DIR|(1<<3); P4OUT=P4OUT&(~(1<<3)); 
#define input_load1  P4DIR=P4DIR|(1<<3); P4OUT=P4OUT|(1<<3); 

#define input_clk0   P4DIR=P4DIR|(1<<4); P4OUT=P4OUT&(~(1<<4)); 
#define input_clk1   P4DIR=P4DIR|(1<<4); P4OUT=P4OUT|(1<<4); 

#define alm0         P4DIR=P4DIR|(1<<5); P4OUT=P4OUT&(~(1<<5)); 
#define alm1         P4DIR=P4DIR|(1<<5); P4OUT=P4OUT|(1<<5); 

cpld unsigned char KeyScan(void);
cpld unsigned long input(void);
cpld void ctrl(unsigned int data_595);

#undef  cpld