LED点阵显示仿真(7)

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1MS

ACALL D1MS

DJNZ R3,C16

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

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