基于单片机的电子琴实验内容摘要：
PTR MOV P0,A MOV A,KEYBUF MOV B,2 MUL AB MOV TEMP,A MOV DPTR,TABLE1 MOVC A,@A+DPTR MOV STH0,A MOV TH0,A INC TEMP MOV A,TEMP MOVC A,@A+DPTR MOV STL0,A MOV TL0,A SETB TR0 DK2A: MOV A,P3 ANL A,0FH XRL A,0FH JNZ DK2A CLR TR0 NOKEY2: MOV P3,0FFH CLR MOV A,P3 ANL A,0FH XRL A,0FH JZ NOKEY3 LCALL DELY10MS MOV A,P3 ANL A,0FH XRL A,0FH JZ NOKEY3 MOV A,P3 ANL A,0FH CJNE A,0EH,NK9 MOV KEYBUF,8 LJMP DK3 NK9: CJNE A,0DH,NK10 MOV KEYBUF,9 LJMP DK3 NK10: CJNE A,0BH,NK11 MOV KEYBUF,10 LJMP DK3 NK11: CJNE A,07H,NK12 MOV KEYBUF,11 LJMP DK3 NK12: NOP DK3: MOV A,KEYBUF MOV DPTR,TABLE MOVC A,@A+DPTR MOV P0,A MOV A,KEYBUF MOV B,2 MUL AB MOV TEMP,A MOV DPTR,TABLE1 MOVC A,@A+DPTR MOV STH0,A MOV TH0,A INC TEMP MOV A,TEMP MOVC A,@A+DPTR MOV STL0,A MOV TL0,A SETB TR0 DK3A: MOV A,P3 ANL A,0FH XRL A,0FH JNZ DK3A CLR TR0 NOKEY3: MOV P3,0FFH CLR MOV A,P3 ANL A,0FH XRL A,0FH JZ NOKEY4 LCALL DELY10MS MOV A,P3 ANL A,0FH XRL A,0FH JZ NOKEY4 MOV A,P3 ANL A,0FH CJNE A,0EH,NK13 MOV KEYBUF,12 LJMP DK4 NK13: CJNE A,0DH,NK14 MOV KEYBUF,13 LJMP DK4 NK14: CJNE A,0BH,NK15 MOV KEYBUF,14 LJMP DK4 NK15: CJNE A,07H,NK16 MOV KEYBUF,15 LJMP DK4 NK16: NOP DK4: MOV A,KEYBUF MOV DPTR,TABLE MOVC A,@A+DPTR MOV P0,A MOV A,KEYBUF MOV B,2 MUL AB MOV TEMP,A MOV DPTR,TABLE1 MOVC A,@A+DPTR MOV STH0,A MOV TH0,A INC TEMP MOV A,TEMP MOVC A,@A+DPTR MOV STL0,A MOV TL0,A SETB TR0 DK4A: M。阅读剩余 0%
本站所有文章资讯、展示的图片素材等内容均为注册用户上传(部分报媒/平媒内容转载自网络合作媒体)，仅供学习参考。
用户通过本站上传、发布的任何内容的知识产权归属用户或原始著作权人所有。如有侵犯您的版权，请联系我们反馈本站将在三个工作日内改正。