微機(jī)原理及接口技術(shù)a模塊實(shí)驗(yàn)指導(dǎo)書(shū)-文庫(kù)吧資料
2024-10-30 08:24本頁(yè)面
【正文】 D 0I N T R/ C S 5 9I R 0...8 2 5 9/ I N T A2 1 0 H~2 1 7 H2 0 8 H~2 0 F H...A 2 A 1 A 0地 址 譯 碼C L K 0G A T E 00 . 5 MO U T 02 0 0 H~2 0 7 H/ C S 5 5P B 08 2 5 5P B 5...hY 5P C 0P C 3...X 0X 3P A 0...aP A 7Y 0 說(shuō)明： A 鍵為停止鍵， B 鍵為開(kāi)始鍵， C 鍵為清除鍵， D 鍵為時(shí)鐘鍵。1ms loop $ inc si ror ah,1 jc l_re1 mov al,0 mov dx,200h out dx,al ret led endp bshift proc mov cx,5 lea si,buff s: mov al,byte ptr[si+1] mov byte ptr[si],al inc si loop s ret bshift endp clear proc mov n,0 mov x,0 mov y,0 mov c,0 mov f,0 mov addf,0 mov subf,0 ret clear endp code ends end start 實(shí)驗(yàn)四、 時(shí)鐘和秒表程序設(shè)計(jì) 一、目的和要求： 實(shí)驗(yàn)?zāi)康模和ㄟ^(guò)該實(shí)驗(yàn)掌握 較復(fù)雜的 時(shí)鐘 程序的設(shè)計(jì)。no display lea si,buff mov ch,4 s_re1: mov cl,4 rol bx,cl mov al,bl and al,0fh mov [si+2],al inc si dec ch jnz s_re1 call clear ret store endp clbuf proc mov cx,6 lea di,buff mov al,0 c_re1: mov byte ptr[di],al。b_in,c_out out dx,al pop ax mov bl,al mov dx,202h out dx,al mov dx,201h in al,dx and al,3fh mov bh,al lea si,tablek mov cx,23 mov ah,0 nk: cmp bx,[si] je found inc ah add si,2 loop nk 14 found: mov al,0 mov dx,202h out dx,al mov dx,201h in al,dx and al,3fh cmp al,3fh jne found mov cx,3000 loop $ mov f,1 mov bl,ah 。c_in,b_out out dx,al mov f,0 mov dx,201h mov al,0 out dx,al mov dx,202h in al,dx and al,0fh cmp al,0fh je k_exit mov cx,3000 loop $ 。 寫(xiě)出實(shí)驗(yàn)報(bào)告。 根據(jù)原理圖連線，并確保連線正確，接觸可靠。 畫(huà)出程序框圖。 二、試驗(yàn)連線原理簡(jiǎn)圖： 10 X 0X 1X 2X 3P C 0P C 1P C 2P C 3Y 0 Y 1Y 2 Y 3Y 4 Y 5P B 0 P B 1P B 2 P B 3P B 4 P B 53 E 0 E3 E 0 D3 E 0 B3 E 0 73 D 0 E 3 B 0 E 3 7 0 E 2 F 0 E3 D 0 7 3 B 0 7 3 7 0 72 F 0 7 1 F 0 71 F 0 D12 3 C4 56BAD7 8 91 91 81 71 62 22 12 0+=清“ 0 ”O(jiān) F E / C S 5 5P B 08 2 5 5P B 5...L hY 5P C 0P C 3...X 0X 3P A 0...L aP A 7Y 02 0 0 H~2 0 3 HA 2 A 1 A 0地 址 譯 碼 說(shuō)明： A 鍵為加法鍵， B 鍵為減法鍵， C 鍵為等于鍵， D 鍵為清零鍵。b_in,c_out out dx,al pop ax mov bl,al mov dx,202h out dx,al mov dx,201h in al,dx and al,3fh mov bh,al lea si,tablek mov cx,23 mov ah,0 nk: cmp bx,[si] je found inc ah add si,2 loop nk found: mov bbb,1 mov bl,ah k_exit: ret key endp code ends end start 實(shí)驗(yàn)三、 簡(jiǎn)易計(jì)算器程序設(shè)計(jì) 一、目的和要求： 實(shí)驗(yàn)?zāi)康模和ㄟ^(guò)該實(shí)驗(yàn)掌握較復(fù)雜 程序的設(shè)計(jì)。c_in,b_out out dx,al mov dx,201h mov al,0 out dx,al mov dx,202h in al,dx and al,0fh cmp al,0fh je k_exit mov cx,300 loo
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