init.h

C编写的贪吃蛇代码

//Timer/Counter initialize
#define timer0_13bit	   		TMOD&=0xf0
#define timer0_16bit	  		TMOD&=0xf0;TMOD|=0x01               
#define timer0_auto_reload		TMOD&=0xf0;TMOD|=0x02
#define timer1_13bit	   		TMOD&=0x0f
#define timer1_16bit	    		TMOD&=0x0f;TMOD|=0x10
#define timer1_auto_reload		TMOD&=0x0f;TMOD|=0x20
#define timer2_auto_reload		CP_RL=0;
#define timer2_capture	     		CP_RL=1;

#define timer2_extern_enable		EXEN2=1;
#define timer2_extern_disable		EXEN2=0;

#define timer0_stop			TR0=0
#define timer1_stop			TR1=0
#define timer2_stop			TR2=0;

#define timer0_start			TR0=1
#define timer1_start			TR1=1
#define timer2_start			TR2=1;

#define	enable()			EA=1
#define	disable()			EA=0

#define	int_timer0()			TF0=1
#define	int_timer1()			TF1=1
#define	int_timer2()			TF2=1


#define int1_priority_high   		PX1=1
#define int1_priority_low    		PX1=0

#define int0_priority_high   		PX0=1
#define int0_priority_low    		PX0=0

#define serial_priority_high  		PS=1
#define serial_priority_low  		PS=0

#define serial1_priority_high 		PS1=1
#define serial1_priority_low 		PS1=0

#define timer0_priority_high		PT0=1
#define timer0_priority_low		PT0=0

#define timer2_priority_high		PT2=1
#define timer2_priority_low  		PT2=0

#define int0_falling_edge      		IT0=1
#define int1_falling_edge		IT1=1

#define int0_int_enable	      		EX0=1
#define int1_int_enable	       		EX1=1
#define timer0_int_enable  		ET0=1
#define timer1_int_enable		ET1=1
#define timer2_int_enable		ET2=1
#define serial_int_enable		ES=1
#define serial1_int_enable     		ES1=1

#define int0_int_disable		EX0=0
#define int1_int_disable		EX1=0
#define timer0_int_disable		ET0=0
#define timer1_int_disable     		ET1=0
#define timer2_int_disable     		ET2=0
#define serial_int_disable     		ES=0
#define serial1_int_disable    		ES1=0

//Define the baud rate generater
#define serial_baud_double		PCON=PCON|0x80; 
//The following is both of the two serial port,use the same baud rate
#define serial_baud_1200      		TMOD&=0x0f;TMOD|=0x20;TH1=0xe8;TR1=1
#define serial_baud_2400    		TMOD&=0x0f;TMOD|=0x20;TH1=0xf4;TR1=1
#define serial_baud_4800  		TMOD&=0x0f;TMOD|=0x20;TH1=0xfa;TR1=1
#define serial_baud_9600  		TMOD&=0x0f;TMOD|=0x20;TH1=0xfd;TR1=1
#define serial_baud_19200    		TMOD&=0x0f;TMOD|=0x20;TH1=0xfd;TR1=1;PCON=PCON|0x80

//The follwing is serial port use differant baud rate
//
//		                    OSC         OSC=11.0592         345600
//		T2 = 0   -   -----------------  ============= 0 -  ---------
//                            32 * BAUD_RATE                       BAUD_RATE
//
//
#define serial0_baud_1200		T2CON=0x34;RCAP2H=0xfe;RCAP2L=0xe0
#define serial0_baud_2400		T2CON=0x34;RCAP2H=0xff;RCAP2L=0x70
#define serial0_baud_4800		T2CON=0x34;RCAP2H=0xff;RCAP2L=0xb8
#define serial0_baud_9600		T2CON=0x34;RCAP2H=0xff;RCAP2L=0xdc
#define serial0_baud_19200    		T2CON=0x34;RCAP2H=0xff;RCAP2L=0xee

#define serial1_baud_1200		TMOD&=0x0f;TMOD|=0x20;TH1=0xe8;TR1=1
#define serial1_baud_2400		TMOD&=0x0f;TMOD|=0x20;TH1=0xf4;TR1=1
#define serial1_baud_4800		TMOD&=0x0f;TMOD|=0x20;TH1=0xfa;TR1=1
#define serial1_baud_9600		TMOD&=0x0f;TMOD|=0x20;TH1=0xfd;TR1=1
#define serial1_baud_19200		TMOD&=0x0f;TMOD|=0x20;TH1=0xfd;TR1=1;WDCON=WDCON|0x80

#define serial_uart8			SM0=0;SM1=1;SM2=0
#define serial0_uart8			SM0=0;SM1=1;SM2=0
#define serial1_uart8			SM0_1=0;SM1_1=1;SM2_1=0
#define serial_uart9			SM0=1;SM1=1;TR1=1

#define	serial_receive_enable		REN=1
#define serial0_receive_enable		REN=1
#define serial1_receive_enable		REN_1=1

#define timer2_speed_3			CKCON|=0x20
#define timer1_speed_3	       		CKCON|=0x10
#define timer0_speed_3			CKCON|=0x08

//#define use_inter_SRAM			PMR|=0x05
//#define	use_extern_PORT			PMR&=(0x05^0xff)
#define use_inter_SRAM			PMR|=0x01
#define	use_extern_PORT			PMR&=(0x01^0xff)
//#define	ALE_out_disable			PMR|=0x04
//#define	ALE_out_enable			PMR&=(0x04^0xff)

#define movx_ins_9			CKCON|=0x03;