本科實(shí)驗(yàn)報(bào)告-分支與循環(huán)實(shí)驗(yàn)

...wd......wd......wd...本科實(shí)驗(yàn)報(bào)告實(shí)驗(yàn)名稱：分支和循環(huán)實(shí)驗(yàn)課程名稱：CPU與匯編語言和選修實(shí)驗(yàn)實(shí)驗(yàn)時(shí)間：2017.10.24任課教師：高平實(shí)驗(yàn)地點(diǎn)：10-102實(shí)驗(yàn)教師：高平實(shí)驗(yàn)類型：█原理驗(yàn)證□綜合設(shè)計(jì)□自主創(chuàng)新學(xué)生姓名：xxxx組號：學(xué)院：信息與電子學(xué)院同組伙伴：專業(yè)：信號與信息處理成績：實(shí)驗(yàn)?zāi)康恼莆毡葦M指令；理解條件轉(zhuǎn)移和無條件轉(zhuǎn)移指令的區(qū)別；掌握單分支、雙分支、多分支的程序設(shè)計(jì)方法；掌握循環(huán)程序設(shè)計(jì)方法。實(shí)驗(yàn)內(nèi)容內(nèi)容一程序代碼：DATASSEGMENTBUFDB12H,98H,45H,64H,78H,36H,55H,44H,0ABH,0CFHCOUNTEQU$-BUFNUM1DB0NUM2DB0BUF1DB00,00BUF2DB00,00DATASENDSSTACKSSEGMENTSTACKSENDSCODESSEGMENTASSUMECS:CODES,DS:DATAS,SS:STACKSSTART:MOVAX,DATASMOVDS,AXMOVCX,COUNTMOVSI,0MOVDI,0L:MOVAL,BUF[SI]CMPAL,0JGL1INCNUM2CBWADCWORDPTRBUF2[DI],AXJMPL2L1:INCNUM1CBWADCWORDPTRBUF1[DI],AXL2:INCSILOOPLMOVAH,4CHINT21HCODESENDSENDSTART程序運(yùn)行結(jié)果：和個(gè)數(shù)正數(shù)02027負(fù)數(shù)FF123內(nèi)容二實(shí)驗(yàn)代碼：DATASSEGMENTBUFDB12H,98H,45H,64H,78H,36H,55H,44H,0ABH,0CFHCOUNTEQU$-BUFMAXDB0MINDB0DATASENDSSTACKSSEGMENTSTACKSENDSCODESSEGMENTASSUMECS:CODES,DS:DATAS,SS:STACKSSTART:MOVAX,DATASMOVDS,AXMOVCX,COUNTMOVSI,0MOVAL,BUF[SI]MOVMAX,ALL:INCSIMOVAL,BUF[SI]CMPAL,MAXJLL1MOVMAX,ALL1:DECCXJNZLMOVCX,COUNTMOVSI,0MOVAL,BUF[SI]MOVMIN,ALM:INCSIMOVAL,BUF[SI]CMPAL,MINJAM1MOVMIN,ALM1:DECCXJNZMMOVAH,4CHINT21HCODESENDSENDSTART程序運(yùn)行結(jié)果：所以可得有符號數(shù)的最大值為78H，無符號數(shù)的最小值12H。內(nèi)容三實(shí)驗(yàn)代碼：DATASSEGMENTBUF1DB'CHAR',0DH,0AH,'$'BUF2DB'char',0DH,0AH,'$'DATASENDSSTACKSSEGMENTSTACKSENDSCODESSEGMENTASSUMECS:CODES,DS:DATAS,SS:STACKSSTART:MOVAX,DATASMOVDS,AXMOVAH,1HINT21HCMPAL,39HJLEL1CMPAL,5AHJLEL2LEADX,BUF2MOVAH,09HINT21HJMPLL1:MOVDL,ALMOVAH,2INT21HJMPLL2:LEADX,BUF1MOVAH,09HINT21HJMPLL:MOVAH,4CHINT21HCODESENDSENDSTART代碼運(yùn)行結(jié)果：輸入數(shù)字5時(shí)輸出5輸入大寫字符Q時(shí)輸出CHAR輸入小寫字符q時(shí)輸出char內(nèi)容四實(shí)驗(yàn)代碼：DATASSEGMENTBUFDB12H,98H,0H,64H,51H,46H,62H,0H,0ACH,0AFHCOUNTEQU$-BUFA1DB0A2DB0A3DB0DATASENDSSTACKSSEGMENTSTACKSENDSCODESSEGMENTASSUMECS:CODES,DS:DATAS,SS:STACKSSTART:MOVAX,DATASMOVDS,AXMOVCX,COUNTMOVSI,0L:MOVAL,BUF[SI]CMPAL,0JGEL1INCA2JMPL2L1:CMPAL,0JGL3INCA3