📄 da.txt
字号:
ORG 0000H
LJMP MAIN
ORG 0100H
MAIN: MOV RO,#00H
SIN : MOV A,RO
MOV DPTR,#SINTABLE ;查表取字形代码,表的起始地址
MOVC A,@A+DPTR
;输出转换数据
;MOV A, #80H ;#80H为要转换的数据
MOV DPTR, #0FA00H
MOVX @DPTR,A
INC RO
CJNE R0,#0FFH,SIN ;到了一周期,重新开始循环
AJMP MAIN
SINTABLE:
DB 80H,83H,86H,89H,8DH,90H,93H,96H,99H,9CH,9FH,0A2H,0A5H,0A8H,0ABH,0AEH
DB 0B1H,0B4H,0B7H,0BAH,0BCH,0BFH,0C2H,0C5H,0C7H,0CAH,0CCH,0CFH,0D1H,0D4H
DB 0D6H,0D8H,0DAH,0DDH,0DFH,0E1H,0E3H,0E5H,0E7H,0E9H,0EAH,0ECH,0EEH,0EFH
DB 0F1H,0F2H,0F4H,0F5H,0F6H,0F7H,0F8H,0F9H,0FAH,0FBH,0FCH,0FDH,0FDH,0FEH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FEH,0FDH
DB 0FDH,0FCH,0FBH,0FAH,0F9H,0F8H,0F7H,0F6H,0F5H,0F4H,0F2H,0F1H,0EFH,0EEH
DB 0ECH,0EAH,0E9H,0E7H,0E5H,0E3H,0E1H,0DFH,0DDH,0DAH,0D8H,0D6H,0D4H,0D1H
DB 0CFH,0CCH,0CAH,0C7H,0C5H,0C2H,0BFH,0BCH,0BAH,0B7H,0B4H,0B1H,0AEH,0ABH
DB 0A8H,0A5H,0A2H,9FH,9CH,99H,96H,93H,90H,8DH,89H,86H,83H,80H,7CH,79H
DB 76H,72H,6FH,6CH,69H,66H,63H,60H,5DH,5AH,57H,55H,51H,4EH,4CH,48H,45H,43H
DB 40H,3DH,3AH,39H,35H,33H,30H,2EH,2BH,29H,27H,25H,22H,20H,1EH,1CH,1AH,18H
DB 16H,15H,13H,11H,10H,0EH,0DH,0BH,0AH,09H,08H,07H,06H,05H,04H,03H,02H,02H
DB 02H,01H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,01H,02H,02H,03H
DB 04H,05H,06H,07H,08H,09H,0AH,0BH,0CH,0DH,0EH,10H,11H,13H,15H,16H,18H,1AH
DB 1CH,1EH,20H,22H,25H,27H,29H,2BH,2EH,30H,33H,36H,38H,3AH,3DH,40H,43H,45H
DB 48H,4CH,4EH,51H,55H,57H,5AH,5DH,60H,63H,66H,69H,6CH,6FH,72H,76H,79H,7CH
DB 80H
;三角波锯齿波可以通过转换表来实现
END
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