波形发生器汇编程序.doc

ORG 0000H SJMPSTART ORG30H START: CJNE A,#0FFH,KEY SJMP $ KEY: JNBP1.0,KEY0 JNB P1.1,KEY1 JNBP1.2,KEY2 JNBP1.3,KEY3 SJMP START KEY0: ACALL SIN SJMP KEY KEY1: ACALL FANG SJMP KEY KEY2: ACALL JUCHI SJMP KEY KEY3: ACALLSJIAO SJMP KEY SIN: LOOP: MOVR0,#00H LOOP1:MOVA,R0 MOVDPTR,#TABLE MOVCA,A+DPTR MOVP2,A INCR0 MOVP0,#0FFH MOVR3,P0 L1: INCR3 CJNE R3,#00H,L1 CJNE R0,#255,LOOP1 JNBP1.4,E1 SJMPLOOP E1: RET FANG: LOOP2: MOV A,#00H MOV P2,A MOV P0,#0FFH MOV A,P0 CPL A MOV R3,A ACALL DELAY JNB P1.4,E2 MOV A,#0FFH MOV P2,A MOV P0,#0FFH MOV A,P0 CPL A MOV R3,A ACALL DELAY SJMP LOOP2 E2: RET JUCHI:MOV A,#00H LOOP6:MOV P2,A INC A MOV P0,#0FFH MOV R3,P0 L4: INC R3 CJNER3,#00H,L4 JNB P1.4,E3 SJMPLOOP6 E3: RET SJIAO: MOV A,#00H LOOP9:MOV P2,A INC A MOV P0,#0FFH MOV R3,P0 L5: INC R3 CJNER3,#00H,L5 CJNEA,#0FFH,LOOP9 LOOP8:DEC A MOV P0,#0FFH MOV R3,P0 L6: INC R3 CJNER3,#00H,L6 MOV P2,A CJNEA,#00H,LOOP8 JNB P1.4,E4 SJMP LOOP9 E4: RET DELAY: LOOP3:MOV R6,#1 LOOP4:MOV R5,#250 LOOP5:NOP NOP DJNZR5,LOOP5 DJNZR6,LOOP4 DJNZR3,LOOP3 RET TABLE: DB80H,83H,86H,89H,8DH,90H,93H,96H DB99H,9CH,9FH,0A2H,0A5H,0A8H,0ABH,0AEH DB0B1H,0B4H,0B7H,0BAH,0BCH,0BFH,0C2H,0C5H DB0C7H,0CAH,0CCH,0CFH,0D1H,0D4H,0D6H,0D8H DB0DAH,0DDH,0DFH,0E1H,0E3H,0E5H,0E7H,0E9H DB0EAH,0ECH,0EEH,0EFH,0F1H,0F2H,0F4H,0F5H DB0F6H,0F7H,0F8H,0F9H,0FAH,0FBH,0FCH,0FDH DB0FDH,0FEH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH DB0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH DB0FDH,0FCH,0FBH,0FAH,0F9H,0F8H,0F7H,0F6H DB0F5H,0F4H,0F2H,0F1H,0EFH,0EEH,0ECH,0EAH DB0E9H,0E7H,0E5H,0E3H,0E1H,0DEH,0DDH,0DAH DB0D8H,0D6H,0D4H,0D1H,0CFH,0CCH,0CAH,0C7H DB0C5H,0C2H,0BFH,0BCH,0BAH,0B7H,0B4H,0BAH DB0AEH,0ABH,0A8H,0A5H,0A2H,09FH,09CH,99H DB96H,93H,90H,8DH,89H,86H,83H,80H DB80H,7CH,79H,78H,72H,6FH,6CH,69H DB66H,63H,60H,5DH,5AH,57H,55H,51H DB4EH,4CH,48H,45H,43H,40H,3DH,3AH DB38H,35H,33H,30H,2EH,2BH,29H,27H DB25H,22H,20H,1EH,1CH,1AH,18H,16H DB15H,13H,11H,10H,0EH,0DH,0BH,0AH DB09H,08H,07H,06H,05H,04H,03H,02H DB02H,01H,00H,00H,00H,00H,00H,00H DB00H,00H,00H,00H,00H,00H,01H,02H DB02H,03H,04H,05H,06H,07H,08H,09H DB0AH,0BH,0CH,0DH,0EH,10H,11H,13H,15H DB16H,18H,1AH,1CH,1EH,20H,22H,25H DB27H,29H,2BH,2EH,30H,33H,3