led.asm

led显示程序 led显示程序 led显示程序

.include hardware.inc
.code
.public _F_Led
_F_Led: .proc
 loop:  
    r1=0xffff;  
    [P_IOA_Attrib]=r1;
    [P_IOA_Dir]=r1;
    [P_IOA_Data]=r1
    r4=0xffff;
    [P_IOA_Data] = r4; 
  
    r1=0xffff;  
    [P_IOB_Attrib]=r1;
    [P_IOB_Dir]=r1;
    [P_IOB_Data]=r1;
     r2=0xffff;
    [P_IOB_Data] = r2; 
     r1=0x00ff;
	loop1:
	r2=0xeb;
	loop2:
	r2-=1;
	jnz loop2;
	r1-=1;
	jnz loop1  
	
	 
     r4=0xff0c;
    [P_IOA_Data] = r4; 
    r2=0xffff;
    [P_IOB_Data] = r2; 
    r1=0x00ff;
	loop3:
	r2=0xeb;
	loop4:
	r2-=1;
	jnz loop4;
	r1-=1;
	jnz loop3   
    r4=0xff02;
    [P_IOA_Data] = r4; 
    r2=0xff0c;
    [P_IOB_Data] = r2; 
    r1=0x00ff;
	loop5:
	r2=0xeb;
	loop6:
	r2-=1;
	jnz loop6;
	r1-=1;
	jnz loop5             
     r4=0xff02;
    [P_IOA_Data] = r4; 
    r2=0xff03;
    [P_IOB_Data] = r2; 
    r1=0x00ff;
	loop7:
	r2=0xeb;
	loop8:
	r2-=1;
	jnz loop8;
	r1-=1;
	jnz loop7          
    call loop
.endp

.public _F_InitIOB
_F_InitIOB: .proc
	PUSH	r1,r5 to [sp];
    r1=0xffff;  
    [P_IOB_Attrib]=r1;
    [P_IOB_Dir]=r1;
    [P_IOB_Data]=r1;
    r1=0x0000;
    [P_IOB_Data]=r1;
    pop r1,r5 from [sp];
    retf
.endp

.public _F_23Show
_F_23Show: .proc
	PUSH	r1,r5 to [sp];
    r4=0xff0c;
    [P_IOA_Data] = r4; 
    r2=0xffff;
    [P_IOB_Data] = r2; 
    r1=0x00ff;
   	pop r1,r5 from [sp];
   	retf
    .endp
    
.public _F_11Show
_F_11Show: .proc
	PUSH	r1,r5 to [sp];

    r4=0xff02;
    [P_IOA_Data] = r4; 
    r2=0xff0c;
    [P_IOB_Data] = r2; 
   	pop r1,r5 from [sp];
   	retf
    .endp

.public _F_12Show
_F_12Show: .proc
	PUSH	r1,r5 to [sp];
    r4=0xff02;
    [P_IOA_Data] = r4; 
    r2=0xff03;
    [P_IOB_Data] = r2; 
    r1=0x00ff;
    pop r1,r5 from [sp];
    retf;
    .endp