📄 bled.asm
字号:
; “模仿式” 实验十六 点阵LED实验
MOV SP,#60H
CLR C
MOV SCON,#00H
SNED1: MOV R0,#80H
MOV DPTR,#CODEd1
SEND: CLR A
MOVC A,@A+DPTR
push dph
push dpl
mov dptr,#0a000h
MOVX @dptr,a
MOV A,R0
MOV SBUF,A
WAIT: JNB TI,WAIT
CLR T1
pop dpl
pop dph
INC DPTR
MOV A,R0
RRC A
MOV R0,A
LCALL DELeY
JB ACC.0, SNED1
SJMP SEND
DELeY: MOV R5,#1H
DELY1: MOV R6,#10H
DELY2: MOV R7,#10H
DELY3: DJNZ R7,DELY3
DJNZ R6,DELY2
DJNZ R5,DELY1
RET
CODEd1: DB 07fH,060H,060H,07eH,003H,063H,03eh,000H;"5"
end
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