微機課程設(shè)報告——點陣廣告牌

1、一、設(shè)計題目點陣滾動廣告牌二、設(shè)計內(nèi)容 1利用單片機I/O口或以擴展鎖存器的方式控制點陣顯示。 2掌握單片機與16×16點陣塊之間接口電路設(shè)計及編程。 3利用實驗系統(tǒng)16×16點陣實驗單元，要求編制程序?qū)崿F(xiàn)漢字點陣從下倒上滾動循環(huán)顯示。三、設(shè)計原理及方案1、硬件設(shè)計原理圖實驗線路連接：1對于后綴名含有“H2用一8芯扁平電纜把點陣單元總線接口與系統(tǒng)單元總線D0D7任一接口相連。3用一根雙頭實驗線把點陣單元的片選信號CS插孔與譯碼輸出插孔Y0相連。4用一根雙頭實驗線把點陣單元的寫信號WR插孔與系統(tǒng)控制信號插孔WR相連。硬件電路圖： 2、軟件設(shè)計流程圖四、設(shè)計方案源程序 CODE

2、 SEGMENT ASSUME CS:CODE,DS:CODE,ES:CODE ORG 3AD2H;=HE14: JMP STARTLED0 equ 0ffe3h ;列代碼高段(字形)高八位接口地址LED1 equ 0ffe0h ;列代碼低段(字形)低位接口地址JED0 equ 0ffe2h ;行掃描高段(字位)高八位接口地址JED1 equ 0ffe1h ;行掃描低段(字位)低八位接口地址;=START: JMP XB13;=x01a: mov BUF+2,00h ;清列值x023: mov bx,OFFSET BUF ;取列值 mov al,02h xlat cmp al,10h ;減16

3、(十進制數(shù)) jc x0d2 ;末滿16列繼續(xù)掃描下一列 ret ;本次掃描完畢返回主程序x0d2: MOV dx,0002H MOV ah,00h MUL dx ;當前列乘02 mov cx,ax call xb1f ;= 送掃描代碼 = mov dx,led0 ;列代碼送高八位鎖存器 OUT DX,AL MOV DX,led1 ;列代碼送低八位鎖存器 mov al,ah OUT DX,Al ;= 取行代碼 = mov bx,offset buf mov al,02h xlat inc al mov BUF+2,al ;列指針加1 mov ah,00h mov cx,ax mov al,01

4、h jmp x083x07e: SAL ax,1x083: loop x07e mov dx,jed0 ;行代碼送高八位鎖存器 OUT DX,AL MOV DX,jed1 ;行代碼送低八位鎖存器 mov al,ah OUT DX,Al mov cx,0040h ;當前行鎖定顯示250u秒 loop $ mov al,00h ;關(guān)閉顯示 mov dx,jed0 out dx,al mov dx,jed1 OUT dx,al jmp x023 ;繼續(xù)下1行;=x097: mov al,00h ;關(guān)閉顯示 mov dx,jed0 out dx,al mov dx,jed1 OUT dx,al ;=x

5、0a0: mov al,00h ;清掃描個數(shù)存放器 mov BUF+3,al ;從第一個開始x0a2: mov bx,OFFSET buf ;取當前掃描個數(shù) mov al,03h xlat cmp al,16h ;減16(十進制數(shù)) jnc x0a0 ;滿16個返回從第一個開始 ;= MOV ah,00H mov dx,0020h mul dx mov bx,OFFSET stls add ax,bX mov BUF,aL MOV BUF+1,AH ;= mov al,00h ;清掃描次數(shù)存放器 mov BUF+4,alx0bd: mov bx,OFFSET buf ;取當前掃描個數(shù) mov

6、al,04h xlat cmp al,64h ;減64(十進制數(shù)) jnc x0cf ;= call x01a ;掃描顯示當前字體 ;= mov bx,OFFSET buf ;掃描次數(shù)加1 mov al,04h xlat inc al mov BUF+4,al jmp x0bd ;=x0cf: mov bx,OFFSET BUF ;掃描個數(shù)加1 mov al,03h xlat inc al mov BUF+3,al jmp x0a2;=STLS:;歡 DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H DB 00

7、H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,80H DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00HDB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,80H,00H,80H DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00HDB 00H,00H,00H,00H,00H,00H,00H,00H,00H,

8、00H,00H,80H,00H,80H,0FCH,80H DB DB00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,80H,00H,80H,0FCH,80H,04H,0FCH DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H DB 00H,00H,00H,00H,00H,00H,00H,80H,00H,80H,0FCH,80H,04H,0FCH,45H,0

9、4H DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H DB 00H,00H,00H,00H,00H,80H,00H,80H,0FCH,80H,04H,0FCH,45H,04H,46H,48H DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H DB 00H,00H,00H,80H,00H,80H,0FCH,80H,04H,0FCH,45H,04H,46H,48H,28H,40H DB 00H,00H,00H,00H,00H,00

10、H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H DB 00H,80H,00H,80H,0FCH,80H,04H,0FCH,45H,04H,46H,48H,28H,40H,28H,40H DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,80H DB 00H,80H,0FCH,80H,04H,0FCH,45H,04H,46H,48H,28H,40H,28H,40H,10H,40H DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00

11、H,80H,00H,80H DB 0FCH,80H,04H,0FCH,45H,04H,46H,48H,28H,40H,28H,40H,10H,40H,28H,40H DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,80H,00H,80H,0FCH,80H DB 04H,0FCH,45H,04H,46H,48H,28H,40H,28H,40H,10H,40H,28H,40H,24H,0A0H DB 00H,00H,00H,00H,00H,00H,00H,00H, 00H,80H,00H,80H,0FCH,80H,04H,0FCH DB 45H,04H

12、,46H,48H,28H,40H,28H,40H,10H,40H,28H,40H,24H,0A0H,44H,0A0H DB 00H,00H,00H,00H,00H,00H,00H,80H,00H,80H,0FCH,80H,04H,0FCH,45H,04H DB 46H,48H,28H,40H,28H,40H,10H,40H,28H,40H,24H,0A0H,44H,0A0H,81H,10H DB 00H,00H,00H,00H,00H,80H,00H,80H,0FCH,80H,04H,0FCH,45H,04H,46H,48H DB 28H,40H,28H,40H,10H,40H,28H,40H

13、,24H,0A0H,44H,0A0H,81H,10H,01H,08H DB 00H,00H,00H,80H,00H,80H,0FCH,80H,04H,0FCH,45H,04H,46H,48H,28H,40H DB 28H,40H,10H,40H,28H,40H,24H,0A0H,44H,0A0H,81H,10H,01H,08H,02H,0EH ;迎 DB 00H,00H,41H,84H,26H,7EH,14H,44H,04H,44H,04H,44H,0F4H,44H,14H,0C4H DB 15H,44H,16H,54H,14H,48H,10H,40H,10H,40H,28H,46H,47H,

14、0FCH,00H,00H;光 DB 01H,00H,21H,08H,11H,0CH,09H,10H,09H,20H,01H,04H,0FFH,0FEH,04H,40H DB 04H,40H,04H,40H,04H,40H,08H,40H,08H,42H,10H,42H,20H,3EH,40H,00H;臨 DB 10H,80H,10H,80H,51H,04H,51H,0FEH,52H,00H,54H,80H,58H,60H,50H,24H DB 57H,0FEH,54H,44H,54H,44H,54H,44H,54H,44H,14H,44H,17H,0FCH,14H,04H ;嘉 DB 01H,

15、08H,7FH,0FCH,01H,00H,3FH,0F8H,00H,00H,1FH,0F0H,10H,10H,1FH,0F0H DB 04H,44H,0FFH,0FEH,10H,08H,7EH,0FCH,12H,88H,12H,88H,2AH,0F8H,44H,88H;興 DB 02H,00H,02H,08H,21H,08H,11H,10H,19H,10H,09H,20H,00H,20H,00H,44H DB 0FFH,0FEH,00H,00H,00H,00H,04H,40H,0CH,20H,10H,18H,20H,0CH,40H,04H;學 DB 22H,08H,11H,08H,11H,10

16、H,00H,20H,7FH,0FEH,40H,02H,80H,04H,1FH,0E0H DB 00H,40H,01H,84H,0FFH,0FEH,01H,00H,01H,00H,01H,00H,05H,00H,02H,00H;院 DB 00H,80H,78H,40H,4FH,0FEH,54H,02H,58H,14H,63H,0F8H,50H,00H,48H,08H DB 4FH,0FCH,48H,0A0H,68H,0A0H,50H,0A0H,41H,22H,41H,22H,42H,1EH,4CH,00H;！ DB 00H,00H,00H,00H,00H,00H,00H,00H,10H,00H,

17、10H,00H,10H,00H,10H,00H DB 10H,00H,10H,00H,10H,00H,10H,00H,10H,00H,00H,00H,10H,00H,00H,00H;=xb13: MOV CX,0000H MOV AX,0000H MOV BX,OFFSET STLS ;取漢字表首址 MOV AX,BX MOV BUF,AL MOV BUF+1,AH ;存漢字表指針單元 JMP X097;=取與當前列對應(yīng)的漢字代碼=XB1F: MOV BX,OFFSET BUF ;取當前漢字首址 MOV AX,BX ADD AX,CX ;當前漢字首址加列值 MOV BX,AX MOV AX,B

18、X ;取當前列掃描代碼 ;= MOV Bl,00H MOV Cl,Al ROL CL,1 JNC XB_0 OR BL,01hXB_0: ROL CL,1 JNC XB_2 or bl,02hXB_2: ROL CL,1 JNC XB_3 or bl,04hXB_3: ROL CL,1 JNC XB_4 or bl,08hXB_4: ROL CL,1 JNC XB_5 or bl,10hXB_5: ROL CL,1 JNC XB_6 or bl,20hXB_6: ROL CL,1 JNC XB_7 or bl,40hXB_7: ROL CL,1 JNC XB_8 or bl,80hXB_8:

19、mov al,bl ret;=BUF DB ?,?,?,?,?,?CODE ENDS END HE14五、設(shè)計實施結(jié)果當實驗程序裝載完畢，實驗運行時，“歡送光臨嘉興學院字樣在點陣顯示模塊上從下向上移動，并循環(huán)顯示。六、總結(jié)以前我學習匯編語言時感覺很有難度。當知道要做課程設(shè)計的時候心里面感覺有些害怕和擔憂， 擔憂自己不會或者做不好。但是當真的要做的時候也只好進自己作大的努力去做。我在這個過程中有很多自己的感受，那就是感覺匯編語言真的是很神奇，街上的滾動廣告牌我自己竟也能設(shè)計出來。我們從開始的擔憂和害怕漸漸變成了享受，看著自己做出來的東西，心里面的感覺真的很好。雖然我們做的東西都還很簡單，但是畢竟是我們自