【正文】 乘2，A=8 MOV DPTR,TABLE1；到表TABLE1取T值，首址64260 MOVC A,A+DPTR MOV TH0,A MOV 21H,A MOV A,22H RL A INC A MOVC A,A+DPTR MOV TL0,A MOV 20H,A SETB TR0；啟動定時器 D1：CALL DELAY；基本延時單位187毫秒 INC 30H JMP NEXT；取下一個簡譜碼 END0：CLR TR0；停止定時器0計時 JMP START1；跳到花樣燈子程序TIM0: PUSH ACC PUSH PSW MOV TH0,26H MOV TL0,20H CPL POP PSW POP ACC RETI START1:SETB IT0；系統(tǒng)初始化 SETB EX0SETB IT1SETB EX1SETB EAMOV A,0FEH；依次循環(huán)點燈LOOP:MOV P1,ALCALL DELAY1RL ALJMP LOOPINTER0:JNB ,S1；=0，切換到花樣燈1JNB ,S3；=0，切換到花樣燈2SJMP EXITS1:MOV R2,10；S2:MOV P1,00 LCALL DELAY1 MOV P1,0FFH LCALL DELAY1 DJNZ R2,S2；八只彩燈“亮—滅—亮”閃爍10次 SJMP S1 RETIS3:MOV R3,10S4:MOV P1,0AAH LCALL DELAY1 MOV P1,55H LCALL DELAY1 DJNZ R3,S4；八只彩燈從0、6到7交替閃爍10次 SJMP S3EXIT:RETIDELAY:MOV R7,02 ；節(jié)拍時間187毫秒 D2:MOV R4,187 D3:MOV R3,248 DJNZ R3,$ DJNZ R4,D3 DJNZ R7,D2 DJNZ R5,DELAY RET DELAY1:MOV R0,0FFH；延時D4:MOV R1,0FFHD5:NOP NOP DJNZ R1,D5 DJNZ R0,D4 RETTABLE1: DW 64260,64400,64524,64580 DW 64684,64777,64820,64898 DW 64968,65030,65058,65110 DW 65157,65178,65217 TABLE: DB 82H,01H,81H,94H,84H DB 0B4H,0A4H,04H DB 82H,01H,81H,94H,84H DB 0C4H,0B4H,04H DB 82H,01H,81H,0F4H,0D4H DB 0B4H,0A4H,94H DB 0E2H,01H,0E1H,0D4H,0B4H DB 0C4H,0B4H,04H DB 82H,01H,81H,94H,84H DB 0B4H,0A4H,04H DB 82H,01H,81H,94H,84H DB 0C4H,0B4H,04H DB 82H,01H,81H,0F4H,0D4H DB 0B4H,0A4H,94H DB 0E2H,01H,0E1H,0D4H,0B4H DB 0C4H,0B4H,04h DB 00H TAB: DB 　00H,0C0H, 30H, 1EH, 10H 10H, 10H,0FFH DB　 10H, 10Ｈ, 10H, 10H, 18H, 10H, 00H, 00H DB 　41H, 40H, 42H, 42H, 42H, 42H, 42H, 7FH DB 　42H, 42H, 42H, 43H, 42H, 60H, 40H, 00H　 DB 00H, 00H, 00H,0FEH, 82H, 82H, 82H, 82H DB 　82H, 82H, 82H,0FFH, 02H, 00H, 00H, 00H DB 　00H, 00H, 00H, 7FH, 20H, 20H, 20H, 20H DB　 20H, 20H, 20H, 7FH, 00H, 00H, 00H, 00H DB 　80H, 70H, 00H,0FFH, 10H, 20H, 10H, 10H DB 　0FFH, 10H, 10H, 10H,0F8H, 10H, 00H, 00H DB 　00H, 00H, 00H,0FFH, 82H, 42H, 22H, 1AH DB 　07H, 0AH, 12H, 22H, 43H,0C2H, 42H, 00H DB 00H, 80H,0C0H,0BCH, 84H, 84H, 84H,0F4H DB 82H, 82H, 83H, 82H, 80H,0C0H, 80H, 00H DB 00H, 40H, 20H, 10H, 0CH, 40H, 80H, 7FH DB 00H, 00H, 04H, 08H, 30H, 60H, 00H, 00H END總設(shè)計電路圖：36。查表，首址（第0位）是52H MOV R2,A；R2暫存簡譜碼，R2=52H JZ END0；取到結(jié)束碼（00H），跳至END0 ANL A,0FH；取低4位（節(jié)拍碼），A=02H MOV R5,A；節(jié)拍碼存于R5 MOV A,R2 SWAP A。INT:LCALL LEFT；初始化子程序 MOV COM,3FH LCALL PRM LCALL RIGHT MOV COM,3FH LCALL PRMCLEARL:LCALL LEFT；清左半屏 MOV R4,00HCLEAR0:MOV COM,R4 LCALL PAGEFIRST MOV COM,00H LCALL LIEFIRST MOV R3,64CLEAR1:MOV DAT,00H LCALL PRD DJNZ R3,CLEAR1 INC R4 CJNE R4,08H,CLEAR0CLEARR:LCALL RIGHT；清右半屏 MOV R4,00HCLEAR2:MOV COM,R4 LCALL PAGEFIRST MOV COM,00H LCALL LIEFIRST MOV R3,64CLEAR3:MOV DAT,00H LCALL PRD DJNZ R3,CLEAR3 INC R4 CJNE R4,08H,CLEAR2 RET BUSY:CLR RS；判斷忙子程序 SETB RW PRRO1:MOV DATAES,0FFH；將端口置1，準(zhǔn)備讀數(shù)據(jù)總線 SETB E；液晶模塊將當(dāng)前狀態(tài)送到數(shù)據(jù)總線 MOV A,DATAES；讀數(shù)據(jù)總線 CLR E JB ,PRRO1；為1，表示液晶模