函数信号发生器汇编程序

ORG0000HAJMMAINORG000BHLJMPTC0ORG0030HMAIN：MOVDPTR,#7FFFH指向DAC0832（1）MOVA,70HMOVX@DPTR,ADAC0832（1）输出MOVDPTR,#7F00H指向8155命令字端口地址MOVA,#06H设置A口为输入，B口、C口为输出MOVX@DPTR,A送命令字MOVDPTR,#7F01H指向A口地址MOVXA,@DPTR读入A口的开关数据JNBACC.3,K10H判断是否“4”号键，若是则转输出10Hz信号JNBACC.4,K100H判断是否“5”号键，若是则转输出100Hz信号JNBACC.5,K500H判断是否“6”号键，若是则转输出500Hz信号AJMPMAINLED1:MOVR3,#06H设置6个LED显示MOVR2,#01H选通第一位LED数据MOVR1,#30H送显示缓冲区首址GN1:MOVDPTR,#7F03H指向C口地址MOVA,R2位选通数据送AMOVX@DPTR,A位选通数据送C口RLA选通下一位MOVR2,A位选通数据送R2中保存MOVA,@R1取键值MOVDPTR,#TAB送LED显示软件译码表首址MOVCA,@A+DPTR查表求出键值显示的段码MOVDPTR,#7F02H指向B口地址MOV@DPTR,A段码送显示LCALLLOOP1调延时子程序INCR1指向下一位显示缓冲区地址DJNZR3,GN1循环显示6个LEDRETLOOP1:MOVR4,#08H延时子程序LOOP:MOVR5,#0A0HDJNZR5'$DJNZR4,LOOPRETK10H:MOV30H,#00H显示10HzMOV31H,#00HMOV32H,#00HMOV33H,#00HMOV34H,#01HMOV35H,#00HLCALLLED1调显示子程序MOVTMOD,#00HMOVTL0,#15HMOVTH0,#9EHAJMPPDK100H:MOV30H,#00H显示100HzMOV31H,#00HMOV32H,#00HMOV33H,#01HMOV34H,#00HMOV35H,#00HLCALLLED1调显示子程序MOVTMOD,#00HMOVTL0,#08HMOVTH0,#0F6HAJMPPDK500H:MOV30H,#00H显示500HzMOV31H,#00HMOV32H,#00HMOV33H,#05HMOV34H,#00HMOV35H,#00HLCALLLED1调显示子程序MOVTMOD,#00HMOVTL0,#01HMOVTH0,#0FEHAJMPPDPD:JNBACC.0，KE0判断是否“0”号键按下，若是则转方波输出JNBACC.1,KE1判断是否“1”号键按下，若是则转正弦方波输出JNBACC.2,KE2判断是否“2”号键按下，若是则转三角波输出JNBACC.3,KE3判断是否“3”号键按下，若是则转锯齿波输出LJMPPDKE0:MOVR7,#00HLCALLLED1调显示子程序MOVR6,#00HAJMPGNKE1:MOVR7,#02HLCALLLED1调显示子程序MOVR6,#00HAJMPGNKE2:MOVR7,#02HLCALLLED1调显示子程序MOVR6,#00HAJMPGNKE3:MOVR7,#02HLCALLLED1调显示子程序MOVR6,#00HGN:SETBTR0SETBET0SETBEALOP1:JNBACC.4,K10H判断是否“4”号键，若是则转输出10Hz信号JNBACC.5,K100H判断是否“5”号键，若是则转输出100Hz信号JNBACC.6,K500H判断是否“6”号键，若是则转输出500Hz信号JNBACC.7,K1K判断是否“7”号键，若是则转输出1KHz信号AJMPLOP1TC0:CJNER7,#00H,TC1发送方波程序MOVDPTR,#TAB1送方波数据表首址MOVA,R6发送数据寄存器MOVCA,@A+DPTRMOVDPTR,#0AFFFH指向DAC0832（2）MOVX@DPTR,ADAC0832（2）输出MOVA,R6INCAMOVR6,ACJNEA,#32,QL1MOVR6,#00HAJMPQL1TC1：CJNER7,#01H,TC2发送正弦波程序MOVDPTR,#TAB2送正弦波数据表首址MOVA,R6MOVCA,@A+DPTRMOVDPTR,#0AFFFH指向DAC0832（2）MOVX@DPTR,ADAC0832（2）输出MOVA,R6INCAMOVR6,ACJNEA,#32,QL1MOVR6,#00HAJMPQL1TC2:CJNER7,#02H,QL1发送三角波程序MOVDPTR,#TAB3送三角波数据表首址MOVA,R6MOVCA,@A+DPTRMOVDPTR,#0AFFFH指向DAC0832（2）MOVX@DPTR,ADAC0832（2）输出MOVA,R6INCAMOVR6,ACJNEA,#32,QL1MOVR6,#00HAJMPQL1TC3:CJNER7,#03H,QL1发送锯齿波程序MOVDPTR,#TAB4送锯齿波数据表首址MOVA,R6MOVCA,@A+DPTRMOVDPTR,#0AFFFH指向DAC0832（2）MOVX@DPTR,ADAC0832（2）输出MOVA,R6INCAMOVR6,ACJNEA,#32,QL1MOVR6,#00HQL1:RETITAB:DB0C0H,0F9H,0A4H,0B0H,99H,82H,0F8H,80HTAB1:DB0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFHDB0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFHDB0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFHDB0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFHDB0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFHDB0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFHDB0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFHDB0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFHDB0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFHDB0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFHDB0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFHDB0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFHDB0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFHDB0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFHDB0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFHDB0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFHDB00H,00H,00H,00H,00H,00H,00H,00HDB00H,00H,00H,00H,00H,00H,00H,00HDB00H,00H,00H,00H,00H,00H,00H,00HDB00H,00H,00H，00H,00H,00H,00H,00HDB00H,00H,00H，00H,00H,00H,00H,00HDB00H,00H,00H，00H,00H,00H,00H,00HDB00H,00H,00H，00H,00H,00H,00H,00HDB00H,00H,00H，00H,00H,00H,00H,00HDB00H,00H,00H，00H,00H,00H,00H,00HDB00H,00H,00H，00H,00H,00H,00H,00HDB00H,00H,00H，00H,00H,00H,00H,00HDB00H,00H,00H，00H,00H,00H,00H,00HDB00H,00H,00H，00H,00H,00H,00H,00HDB00H,00H,00H，00H,00H,00H,00H,00HDB00H,00H,00H，00H,00H,00H,00H,00HDB00H,00H,00H，00H,00H,00H,00H,00HTAB2:DB80H,83H，86H，89H，8DH，90H，93H，96HDB99H，9CH，9FH，0A2H，0A5H，0A8H，0ABH，0AEHDB0B1H，0B4H，0B7H，0BAH，0BCH，0BFH，0C2H，0C5HDB0C7H，0CAH，0CCH，0CFH，0D1H，0D4H，0D6H，0D8HDB0DAH，0DDH，0DFH，0E1H，0E3H，0E5H，0E7H，0E9HDB0EAH，0ECH，0EEH，0EFH，0F1H，0F2H，0F4H，0F5HDB0F6H，0F7H，0F8H，0F9H，0FAH，0FBH，0FCH，0FDHDB0FDH，0FEH，0FFH，0FFH，0FFH，0FFH，0FFH，0FFHDB0FFH，0FFH，0FFH，0FFH，0FFH，0FFH，0FEH，0FDHDB0FDH，0FCH，0FBH，0FAH，0F9H，0F8H，0F7H，0F6HDB0F5H，0F4H，0F2H，0F1H，0EFH，0EEH，0ECH，0EAHDB0E9H，0E7H，0E5H，0E3H，0E1H，0DEH，0DDH，0DAHDB0D8H，0D6H，0D4H，0D1H，0CFH，0CCH，0CAH，0C7HDB0C5H，0C2H，0BFH，0BCH，0BAH，0B7H，0B4H，0B1HDB0AEH，0ABH，0A8H，0A5H，0A2H，9FH，9CH，99HDB96H，93H，90H，8DH，89H，86H，83H，80HDB80H，7CH，79H，78H，72H，6FH，6CH，69HDB66H，63H，60H，5DH，5AH，57H，55H，51HDB4EH，4CH，48H，45H，43H，40H，3DH，3AHDB38H，35H，33H，30H，2EH，2BH，29H，27HDB25H，22H，20H，1EH，1CH，1AH，18H，16HDB15H，13H，11H，10H，0EH，0DH，0BH，0AHDB09H，08H，07H，06H，05H，04H，03H，02HDB02H，01H，00H，00H，00H，00H，00H，00HDB00H，00H，00H，00H，00H，00H，01H，02HDB02H，03H，04H，05H，06H，07H，08H，09HDB0AH，0BH，0DH，0EH，10H，11H，13H，15HDB16H，18H，1AH，1CH，1EH，20H，22H，25HDB27H，29H，2BH，2EH，30H，33H，35H，38HDB3AH，3DH，40H，43H，45H，48H，4CH，4EHDB51H，55H，57H，5AH，5DH，60H，63H，66HDB69H，6CH，6FH，72H，76H，79H，7CH，80HTAB3：DB00H，02H，04H，06H，08H，0AH，0CH，0EHDB10H，12H，14H，16H，18H，1AH，1CH，1EHDB20H，22H，24H，26H，28H，2AH，2CH，2EHDB30H，32H，34H，36H，38H，3AH，3CH，3EHDB40H，42H，44H，46H，48H，4AH，4CH，4EHDB50H，52H，54H，56H，58H，5AH，5CH，5EHDB60H，62H，64H，66H，68H，6AH，6CH，6EHDB70H，72H，74H，76H，78H，7AH，7CH，7EHDB80H，82H，84H，86H，88H，8AH，8CH，8EHDB0A0H，0A2H，0A4H，0A6H，0A8H，0AAH，0ACH，0AEHDB0B0H，0B2H，0B4