實現波形輸出，帶仿真文件
- org 0000h
- ajmp main
- org 0030h
- main:mov a,#00h
- clr p1.0
- clr p1.1
- jnb p3.0, zhengxuan
- jnb p3.1,juchi
- jnb p3.2,sanjiao
- sjmp MAIN
- sanjiao:
- mov a,#00h
- clr p1.0
- clr p1.1
- loop:
- mov p0,a
- inc a
- mov r0,#10h
- djnz r0,$
- jnb p3.0 , zhengxuan
- jnb p3.1,juchi
- sjmp loop
- ret
- juchi:mov a,#00h
- clr p1.0
- clr p1.1
- up : mov p0,a
- inc a
- jnb p3.0, zhengxuan
- jnb p3.2, sanjiao
- jnz up
- down: dec a
- mov p0,a
- jnb p3.0 , zhengxuan
- jnb p3.2,sanjiao
- jnz down
- sjmp up
- ret
- zhengxuan:mov R5,#00h
- sin:mov a,r5
- clr p1.0
- clr p1.1
- mov DPTR,#TAB
- MOVC A,@A+DPTR
- MOV P0,A
- INC R5
- jnb p3.1,juchi
- jnb p3.2,sanjiao
- AJMP SIN
- TAB: DB 80H,83H,86H,89H,8DH,90H,93H,96H
- DB 99H,9CH,9FH,0A2H,0A5H,0A8H,0ABH,0AEH
- DB 0B1H,0B4H,0B7H,0BAH,0BCH,0BFH,0C2H,0C5H
- DB 0C7H,0CAH,0CCH,0CFH,0D1H, 0D4H,0D6H,0D8H
- DB 0DAH,0DDH,0DFH,0E1H,0E3H, 0E5H,0E7H,0E9H
- DB 0EAH,0ECH,0EEH,0EFH,0F1H, 0F2H,0F4H,0F5H
- DB 0F6H,0F7H,0F8H,0F9H,0FAH, 0FBH,0FCH,0FDH
- DB 0FDH,0FEH,0FFH,0FFH,0FFH, 0FFH,0FFH,0FFH
- DB 0FFH,0FFH,0FFH,0FFH,0FFH, 0FFH,0FEH,0FDH
- DB 0FDH,0FCH,0FBH,0FAH,0F9H, 0F8H,0F7H,0F6H
- DB 0F5H,0F4H,0F2H,0F1H,0EFH, 0EEH,0ECH,0EAH
- DB 0E9H,0E7H,0E5H,0E3H,0E1H, 0DEH,0DDH,0DAH
- DB 0D8H,0D6H,0D4H,0D1H,0CFH, 0CCH,0CAH,0C7H
- DB 0C5H,0C2H,0BFH,0BCH,0BAH, 0B7H,0B4H,0B1H
- DB 0AEH,0ABH,0A8H,0A5H,0A2H, 9FH, 9CH, 99H
- DB 96H, 93H, 90H, 8DH, 89H, 86H, 83H, 80H
- DB 80H, 7CH, 79H, 78H, 72H, 6FH, 6CH, 69H
- DB 66H, 63H, 60H, 5DH, 5AH, 57H, 55H, 51H
- DB 4EH, 4CH, 48H, 45H, 43H, 40H, 3DH, 3AH
- DB 38H, 35H, 33H, 30H, 2EH, 2BH, 29H, 27H
- DB 25H, 22H, 20H, 1EH, 1CH, 1AH, 18H, 16H
- DB 15H, 13H, 11H, 10H, 0EH, 0DH, 0BH, 0AH
- DB 09H, 08H, 07H, 06H, 05H, 04H, 03H, 02H
- DB 02H, 01H, 00H, 00H, 00H, 00H, 00H, 00H
- DB 00H, 00H, 00H, 00H, 00H, 00H, 01H, 02H
- DB 02H, 03H, 04H, 05H, 06H, 07H, 08H, 09H
- DB 0AH, 0BH, 0DH, 0EH, 10H, 11H, 13H, 15H
- DB 16H, 18H, 1AH, 1CH, 1EH, 20H, 22H, 25H
- DB 27H, 29H, 2BH, 2EH, 30H, 33H, 35H, 38H
- DB 3AH, 3DH, 40H, 43H, 45H, 48H, 4CH, 4EH
- DB 51H, 55H, 57H, 5AH, 5DH, 60H, 63H, 66H
- DB 69H, 6CH, 6FH, 72H, 76H, 79H, 7CH, 80H
- ret
- end
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