16x16ml.asm

这是proteus中的matrix8*8点阵模块动态仿真,说得很详细,包含电路原理图,及源代码

;16X16LED点阵流动显示
;逐列、逆向（低位开始）扫描

	ORG	0000H
	AJMP	MAIN
	ORG	0030H
MAIN:	MOV	DPTR,#TAB	;字码表初址赋值	
	MOV	R1,#00H		;列控制码
	MOV	R4,#96		;移动“ ”及“单片机仿真”6个字符，共96列
CM:	MOV	R5,#5		;每屏反复显示5次
	MOV	R3,#16		;列数
C1:	MOV	R2,#0		;取码指针
C16:	MOV	P0,#00H
	MOV	P2,#00H		;关显示	
	CLR	P3.0
	MOV	A,R2		
	MOVC	A,@A+DPTR	;取当前列显示字码的第一个字节
	MOV	P0,A		;送1~8行控制口
	INC	R2
	MOV	A,R2
	MOVC	A,@A+DPTR	;取当前列的显示字码的第二个字节
	MOV	P2,A		;送9~15行控制口
	INC	R2
	MOV	P1,R1		;送列控制码
	INC	R1
   	ACALL	D1MS		;显示2MS
	ACALL	D1MS
	DJNZ	R3,C16		;一屏16列是否显示完
	MOV	R3,#16
	DJNZ	R5,C1		;未显示5次，继续
	INC	DPTR		;一屏反复显示5次完，字码表初值加2
	INC	DPTR
	DJNZ	R4,CM		;96列未移动完，继续
	AJMP	MAIN		;96列移动完，返回，重新从“  ”开始显示
D1MS:	MOV	R6,#2
	MOV	R7,#248
	DJNZ	R7,$
	DJNZ	R6,$-4
	RET
TAB:	DB 000H ,000H ,000H ,000H ,000H ,000H ,000H ,000H ,000H ,000H ,000H ,000H ,000H ,000H ,000H ,000H ;
	DB 000H ,000H ,000H ,000H ,000H ,000H ,000H ,000H ,000H ,000H ,000H ,000H ,000H ,000H ,000H ,000H ;" ", 

	DB 000H ,000H ,000H ,008H ,000H ,008H ,0E0H ,008H ,0F4H ,00DH ,054H ,005H ,0F4H ,07FH ,0F8H ,07FH ;
	DB 01EH ,005H ,0FEH ,005H ,0FAH ,006H ,010H ,002H ,000H ,006H ,000H ,004H ,000H ,000H ,000H ,000H ;"单",0

	DB 000H ,000H ,000H ,000H ,000H ,010H ,000H ,01CH ,0FCH ,00FH ,0FCH ,003H ,040H ,002H ,040H ,002H ;
	DB 07EH ,07FH ,03EH ,07FH ,020H ,000H ,020H ,000H ,000H ,000H ,000H ,000H ,000H ,000H ,000H ,000H ;"片",1

	DB 000H ,008H ,040H ,00CH ,040H ,006H ,0DCH ,03FH ,0FEH ,03FH ,022H ,011H ,020H ,01DH ,0F0H ,00FH ;
	DB 0F0H ,003H ,0F0H ,00FH ,0F0H ,01FH ,010H ,010H ,000H ,01CH ,000H ,01CH ,000H ,010H ,000H ,000H ;"机",2

	DB 000H ,001H ,080H ,001H ,0C0H ,000H ,0F0H ,03FH ,0FCH ,03FH ,04CH ,018H ,040H ,00CH ,040H ,027H ;
	DB 0CCH ,063H ,0ECH ,079H ,028H ,01FH ,020H ,007H ,020H ,000H ,020H ,000H ,000H ,000H ,000H ,000H ;"仿",3

	DB 000H ,000H ,000H ,010H ,000H ,098H ,000H ,0C8H ,0E8H ,06FH ,0E8H ,03FH ,07CH ,01BH ,07EH ,00AH ;
	DB 0E6H ,03FH ,0E4H ,07FH ,004H ,06CH ,000H ,004H ,000H ,004H ,000H ,000H ,000H ,000H ,000H ,000H ;"真",4

	END