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流水燈顯示_課程設(shè)計(jì)(參考版)

2024-08-31 08:31本頁(yè)面
  

【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(dòng)定時(shí)器 D1: CALL DELAY;基本延時(shí)單位 187 毫 秒 INC 30H JMP NEXT;取下一個(gè)簡(jiǎn)譜碼 END0: CLR TR0;停止定時(shí)器 0 計(jì)時(shí) JMP START1;跳到花樣燈子程序 TIM0: PUSH ACC PUSH PSW MOV TH0,26H MOV TL0,20H CPL POP PSW 邵陽(yáng)學(xué)院課程設(shè)計(jì)(論文) 32 POP ACC RETI START1:SETB IT0;系統(tǒng)初始化 SETB EX0 SETB IT1 SETB EX1 SETB EA MOV A,0FEH;依次循環(huán)點(diǎn)燈 LOOP:MOV P1,A LCALL DELAY1 RL A LJMP LOOP INTER0:JNB ,S1;若 =0,切換到花樣燈 1 JNB ,S3;若 =0,切換到花樣燈 2 SJMP EXIT S1: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 RETI S3:MOV R3,10 S4: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 S3 邵陽(yáng)學(xué)院課程設(shè)計(jì)(論文) 33 EXIT:RETI DELAY:MOV R7,02 ;節(jié)拍時(shí)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(shí) D4:MOV R1,0FFH D5:NOP NOP DJNZ R1,D5 DJNZ R0,D4 RET TABLE1: 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 邵陽(yáng)學(xué)院課程設(shè)計(jì)(論文) 34 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 邵陽(yáng)學(xué)院課程設(shè)計(jì)(論文) 35 邵陽(yáng)學(xué)院課程設(shè)計(jì)(論文) 36 總設(shè)計(jì)電路圖: 。查表,首址(第 0 位)是 52H MOV R2,A; R2 暫存簡(jiǎn)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 邵陽(yáng)學(xué)院課程設(shè)計(jì)(論文) 31 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 PRM CLEARL:LCALL LEFT;清左半屏 MOV R4,00H CLEAR0:MOV COM,R4 LCALL PAGEFIRST MOV COM,00H LCALL LIEFIRST MOV R3,64 CLEAR1:MOV DAT,00H LCALL PRD DJNZ R3,CLEAR1 INC R4 CJNE R4,08H,CLEAR0 CLEARR:LCALL RIGHT;清右半屏 MOV R4,00H 邵陽(yáng)學(xué)院課程設(shè)計(jì)(論文) 28 CLEAR2:MOV COM,R4 LCALL PAGEFIRST MOV COM,00H LCALL LIEFIRST MOV R3,64 CLEAR3: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,表示液晶模塊處于忙狀態(tài),等到 返回為 0,返回主程序 RET LEFT:CLR CSA;左半屏控制 SETB CSB RET RIGHT:SETB CSA;右半屏控制 CLR CSB RET PRM:LCALL BUSY;判斷液晶模塊是否忙 CLR RS CLR RW MOV DATAES,COM; COM 中存放指令 SETB E 邵陽(yáng)學(xué)院課程設(shè)計(jì)(論文) 29 CLR E R
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