📄 xunhuan.asm
字号:
NUM2 EQU 1FH
NUM3 EQU 0FFH
ORG 0000H
LJMP START
TABLE:DB 3FH,18H,76H,7CH,59H,6DH,6FH,38H
DB 38H,3FH,18H,76H,7CH,59H,6DH,6FH
DB 6FH,38H,3FH,18H,76H,7CH,59H,6DH
DB 6DH,6FH,38H,3FH,18H,76H,7CH,59H
DB 59H,6DH,6FH,38H,3FH,18H,76H,7CH
DB 7CH,59H,6DH,6FH,38H,3FH,18H,76H
DB 76H,7CH,59H,6DH,6FH,38H,3FH,18H
DB 18H,76H,7CH,59H,6DH,6FH,38H,3FH
START: MOV R4,#00H
LOOP3: MOV 30H,R4
MOV R2,#00H
LOOP2: MOV R3,#00H
LOOP1: MOV R0,#00H
MOV R1,30H
SHOW: MOV A,R0
CPL A
MOV R6,A
CLR A
ADD A,R1
MOV DPTR,#TABLE
MOVC A,@A+DPTR
MOV R5,A
MOV P1,#00H
MOV P2,R6
MOV P1,R5
INC R0
INC R1
CJNE R0,#08H,SHOW
INC R3
CJNE R3,#NUM3,LOOP1
INC R2
CJNE R2,#NUM2,LOOP2
MOV A,R4
ADD A,#08H
MOV R4,A
CJNE R4,#40H,LOOP3
LJMP START
END
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