29. ½á¹¹Êý¾ÝÀàÐÍÈçºÎ˵Ã÷¡¢½á¹¹±äÁ¿ÈçºÎ¶¨Òå¡¢½á¹¹×Ö¶ÎÈçºÎÓ¦Óã¿£¨3.4£©
30. ¼Ç¼Êý¾ÝÀàÐÍÈçºÎ˵Ã÷£¬¼Ç¼±äÁ¿ÈçºÎ¶¨Ò壬WIDTHºÍMASK²Ù×÷·ûÊÇʲô×÷Óã¿(3.4)
µÚËÄÕ »ã±àÓïÑÔ³ÌÐòÉè¼Æ ϰÌâ
1. ÒÑÖªÁ½¸ö°ËλÎÞ·ûºÅÊýxºÍy,·Ö±ð´æ·ÅÔÚBUFºÍBUF+1µ¥ÔªÖУ¬ÇÒx>y¡£Çë±à³ÌÐò¼ÆËãx-y,½á¹û
´æ»ØBUFµ¥Ôª¡£(4.1)
2. ÒÑÖªDATµ¥ÔªÓÐÒ»Êýx¡£ÏÖÒªÇó±à³Ì½«xµÄµÍËÄλ±äΪ1010,×î¸ßλD7ÖÃΪ1£¬ÆäËüÈýλ²»±ä¡£
(4.1)
3. ÒÑÖªÓÐÁ½¸öѹËõBCDÊýBCD1ºÍBCD2,ÆäÔÚÄÚ´æ´æ·ÅÐÎʽΪ£º
(BCD1)=34 (BCD1+1)=18 (BCD2)=89 (BCD2+1)=27
¸ßλ×Ö½ÚΪ¸ßλÊý¡£ÒªÇó±à³Ì½«BCD1ºÍBCD2Ïà¼Ó£¬½á¹ûËÍBCD3¿ªÊ¼µÄ´æ´¢µ¥Ôª¡£(4.1) 4. DATµ¥ÔªµÄÄÚÈݲð³É¸ß¡¢µÍ¸÷ËÄλ£¬È»ºó·Ö±ð´æÓÚDAT+1¼°DAT+2µÄµÍËÄλ¡£(4.1)
5. ÄÚ´æÄ³Ò»»º³åÇøÖдæ·Å×ÅÊ®¸öµ¥ÔªµÄBCDÂ룬ÿ¸öµ¥ÔªÖзÅÁ½Î»BCDÂ루ѹËõBCDÂ룩¡£ÒªÇó°Ñ
ËüÃÇ·Ö±ðת»»ÎªASCIIÂë¡£¸ßλBCDÂëת»»ºó·ÅÔڸߵØÖ·µ¥Ôª¡£(4.1)
6. Èý¸öÎÞ·ûºÅÊýx,y,z,¾ùСÓÚµÈÓÚ255,·Ö±ð´æÓÚDATA,DATA+1ºÍDATA+2µ¥ÔªÖС£ÏÖÒªÕÒ³öÈý¸öÊý
ÖÐÊýÖµ´óС¾ÓÖеÄÒ»¸ö£¬²¢½«Æä´æÈëBUFµ¥ÔªÖС£(4.2)
7. ÒÑÖªÔÚDATµ¥ÔªÄÚÓÐÒ»´ø·ûºÅÊýx¡£ÊÔ±àÒ»³ÌÐò£¬¸ù¾ÝxµÄ¾ßÌåÇé¿ö½øÐÐÈçÏ´¦Àí£º
ÈôxΪÕýÆæÊý£¬Ôò½«xÓëBUFµ¥ÔªÄÚÈÝÏà¼Ó£» ÈôxΪÕýżÊý£¬Ôò½«xÓëBUFµ¥ÔªÄÚÈÝÏà\Óë\£» ÈôxΪ¸ºÆæÊý£¬Ôò½«xÓëBUFµ¥ÔªÄÚÈÝÏà\»ò\£» ÈôxΪ¸ºÅ¼Êý£¬Ôò½«xÓëBUFµ¥ÔªÄÚÈÝÏà\Òì»ò\¡£
ÒÔÉÏËÄÖÖÇé¿öÔËËãµÄ½á¹û¶¼ËÍ»ØBUFµ¥Ôª¡£Áã×÷ΪÕýżÊý´¦Àí¡£(4.2)
8. ÀÛ¼ÓÆ÷ALÖÐÓÐÒ»×Ö·û£¬ÓÃASCIIÂë±íʾ¡£µ±ÆäΪ\ʱ£¬³ÌÐò×ªÒÆµ½LPA´¦£»ÈçΪ\Ôò×ªÒÆµ½
LPB´¦£»ÈçΪ\Ôò×ªÒÆµ½LPE´¦£¬·ñÔò£¬¾ùתÏòLPN´¦¡£(4.2) 9. ÔÚDATAµ¥ÔªÓÐÒ»¸ö¶þ½øÖÆÊýx,ÒªÇó±à³ÌÍê³ÉÔËË㣺(4.2)
x+1 x>0 y=
x
x=0
x-1 x<0
10. Êý×éAºÍB£¬¸÷ÓÐ20¸öÊý¾Ý£¬ËüÃǾùÒѰ´ÉýÐòÅÅ·Å¡£ÏÖÒªÇó½«ÕâÁ½¸öÊý×éºÏ²¢ÎªÒ»¸öÊý×éC£¬ÇÒ
ÒªÇóÆäÊý¾ÝÒ²°´ÉýÐòÅÅ·Å£¬ÊÔ±à³ÌʵÏÖ¡£(4.2)
11. ±àÒ»³ÌÐò£¬ÒªÇó½«BUFµ¥Ôª¿ªÊ¼µÄ100¸ö´æ´¢µ¥ÔªÈ«²¿ÇåÁã¡£Èô²»ÖªËùÇåµ¥Ôª³¤¶È£¬Ö»ÖªÒÔ0FFH
×÷Ϊ½áÊø±êÖ¾£¬ÓÖ¸ÃÈçºÎ´¦Àí£¿(4.3)
12. ÓÐÒ»Êý¾Ý¿é£¬³¤¶ÈΪ100×Ö½Ú£¬´æ·ÅÓÚDAT¿ªÊ¼µÄ´æ´¢µ¥Ôª¡£ÒªÇ󽫴ËÊý¾Ý¿éÖеĸºÊýµÄ¸öÊýͳ
¼Æ³öÀ´£¬²¢½«Í³¼Æ½á¹û´æÈëMNUMµ¥ÔªÖС£(4.3)
13. ÓÐÒ»¸öÓɰËλÊý×é³ÉµÄÊýÁУ¬³¤¶ÈΪÈý×Ö½Ú£¬´æ·ÅµØÖ·Ê¼ÓÚDATµ¥Ôª¡£Çó´ËÊýÁеÄËãÊõºÍ²¢´æÓÚ
BUFºÍBUF+1µ¥Ôª¡£ÒÑÖªÊýÁÐÖ®ºÍΪʮÁùλÊý¡£(4.3)
14. ´ÓNUMBµ¥ÔªÆðÓÐ100¸öÊý£¬ÆäÖµÔÚ0~100Ö®¼ä¡£ÊÔ±à³ÌʵÏÖÒÔÏÂÊý¾Ýͳ¼Æ£º
£¨1£© ÓжàÉÙ¸ö´óÓÚµÈÓÚ60µÄÊý£¿Í³¼Æ½á¹û´æÓÚCOUNTµ¥Ôª¡£ £¨2£© ÓжàÉÙ¸öΪ100µÄÊý£¿Í³¼Æ½á¹û´æÓÚCOUNT+1µ¥Ôª¡£ £¨3£© ÓжàÉÙ¸öΪ0µÄÊý£¿Í³¼Æ½á¹û´æÓÚ COUNT+2µ¥Ôª¡£
£¨4£© µ±Ð¡ÓÚ60µÄÊý³¬¹ýÊ®¸ö£¬Ôò½áÊøÍ³¼Æ£¬Í¬Ê±ÖÃCOUNTµ¥ÔªÎª0FFH¡£(4.3)
15. ½«ADATµ¥ÔªÆðµÄ100¸ö×Ö½ÚÊý¾Ý£¬´«Ë͵½BDAT¿ªÊ¼µÄµ¥ÔªÖÐÈ¥¡£ÒÑÖªÊý¾ÝÇøÎÞ¸²¸ÇÎÊÌ⣬ҪÇó
ÓÃÈýÖÖ·½·¨ÊµÏÖ¡£(4.3)
16. ½«BUFµ¥Ôª¿ªÊ¼µÄ50¸ö×Ö½ÚÊý£¬Çø·Ö³öÆæ¡¢Å¼Êý¡£½«ÆæÊýÔÚǰ£¬Å¼ÊýÔÚºó£¬È﫾ȯÔÊý¾ÝÇø¡£(4.3) 17. ¶ÔAÖ·ÆðµÄ30¸ö×Ö½Ú³¤µÄ×Ö·û´®£¬É¾³ýÆäÖеÄÊý×Ö·û£¬ºóÐø×Ö·ûÏòǰµÝ²¹£¬Ê£Óà×Ö·û²¹¿Õ¸ñ×Ö·û£¬
±à³ÌʵÏÖ¡£(4.3)
18. ÒÑÖªÓÐÈý¸ö°ËλÎÞ·ûºÅÊýx,y,z,·Ö±ð´æ·ÅÓÚNUMB,NUMB+1ºÍNUMB+2µ¥Ôª¡£ÒªÇó±àÒ»³ÌÐòʵÏÖ
2x+3y+5z,²¢ÒªÇó½«ÔËËã½á¹ûËÍRESµ¥ÔªºÍRES+1µ¥Ôª¡£(4.4)
19. ½«Á½¸ö°ËλÎÞ·ûºÅÊý³Ë·¨µÄ³ÌÐò±àΪһ¸ö×Ó³ÌÐò¡£±»³ËÊý¡¢³ËÊýºÍ³Ë»ý´æ·ÅÓÚ×ÔNUB¿ªÊ¼µÄËĸö
´æ´¢µ¥ÔªÖС£(4.4)
20. ½«CSTRNÆðµÄ50¸ö×Ö·ûµÄ´®£¬Í³¼ÆÏàͬ×Ö·ûµÄ×Ö·ûÊý£¬ÕÒ³öÏàͬ×Ö·ûÊý×î¶à×Ö·û£¬´æÓÚCMOREµ¥
ÔªÖС£(4.4)
21. ºê¶¨ÒåÌåÄÚ²»½ö¿ÉÒÔʹÓúêµ÷Óã¬Ò²¿ÉÒÔ°üº¬ºê¶¨Òå¡£ÒÔϺ궨Ò壺
ÆäÖÐMACNAMÊÇÄÚ²ãµÄºê¶¨ÒåÃû£¬µ«ÓÖÊÇÍâ²ãºê¶¨ÒåµÄÑÆÔª£¬µ±µ÷ÓÃDEFMACʱ£¬¾ÍÐγÉÒ»¸öºê¶¨Ò塣д³öºêµ÷Óãº
DEFMAC ADDITION£¬ADDµÄºêÕ¹¿ª¡££¨4.5£©
22. Óú궨Òå¼°ÖØ¸´Î±²Ù×÷°ÑTAB£¬TAB+1£¬TAB+2£¬??£¬TAB+16µÄÄÚÈÝ´æÈë¶ÑÕ»¡££¨4.5£© 23. ÒªÇó½¨Á¢Ò»¸ö100D×ÖµÄÊý×飬ÆäÖÐÿ¸ö×ÖµÄÄÚÈÝÊÇÏÂÒ»¸ö×ֵĵØÖ·£¬¶ø×îºóÒ»¸ö×ÖµÄÄÚÈÝÊǵÚÒ»
¸ö×ֵĵØÖ·¡£(4.5)
24. ÊÔ¶¨ÒåºêÖ¸ÁîMAX°ÑÈý¸ö±äÔªÖеÄ×î´óÖµ·ÅÔÚAXÖУ¬¶øÇÒʹ±äÔªÊý²»Í¬Ê±²úÉú²»Í¬µÄ³ÌÐò¶Î¡£
(4.5)
25. ±àÒ»¸ö³ÌÐòÄ£¿éÍê³ÉÂÖÁ÷²éѯÈý¸öÊý¾ÝÊäÈëÉ豸µÄ¹¦ÄÜ¡£(4.6)
µÚÎåÕ 32λָÁî¼°Æä±à³Ì ϰÌâ
1. ÊÔÊöʲôÊÇʵģʽ¡¢±£»¤Ä£Ê½ºÍÐéÄâ8086·½Ê½£¿£¨5.1.1£©
2. ÔÚÒÔBP¡¢EBP¡¢ESP×÷Ϊ»ùÖ·¼Ä´æÆ÷·ÃÎÊ´æ´¢Æ÷²Ù×÷Êýʱ£¬ÆäĬÈϵĶμĴæÆ÷ÊÇ______£»µ«ÊÇ£¬Í¨
³£ESP×÷Ϊ________£¬²»Ó¦¸Ã½«ËüÓÃÓÚÆäËûÄ¿µÄ¡£(5.1.1) 3. Ϊʲô˵32λͨÓüĴæÆ÷±È16λͨÓüĴæÆ÷¸üͨÓã¿(5.1.1)
4. 32λָÁîÐÂÔöÁËÄÄЩ³¬Ô½Ö¸Áîǰ׺£¬´úÂëΪ66HºÍ67HµÄ³¬Ô½Ç°×ºÊÇʲô×÷Óã¿(5.1.1) 5. ÊÔÊö32λx86 CPUµÄ±êÖ¾¼Ä´æÆ÷EFLAGSÏà¶ÔÓÚÔÀ´µÄ16λFLAGS¼Ä´æÆ÷ÐÂÔöÄÇЩ±ê־룬Æä˵
Ã÷Æäº¬Òå¡££¨5.1.1£©
6. ÊÔÊö16λ´æ´¢Æ÷ѰַÓë32λ´æ´¢Æ÷ѰַÔÚ¼ÆËãÓÐЧµØÖ·ÉÏÓÐÄÄЩ²»Í¬¡£(5.1.2) 7. Ö¸³öÏÂÁд«ËÍÖ¸ÁîÖÐÔ´²Ù×÷ÊýµÄѰַ·½Ê½¡£(5.1.2)
£¨1£© MOV EBX£¬77665544H £¨2£© MOV EAX£¬[5678H] £¨3£© MOV EAX£¬[EBX+ESI+80H] £¨4£© MOV EAX£¬[ESI*2] £¨5£© MOV EAX£¬[EBX+ESI*8+80H]
8. 8086/8088´¦ÀíÆ÷ºÍ80286ºóµÄ´¦ÀíÆ÷ÔÚ¶ÔPUSHÖ¸ÁîµÄ´¦ÀíÉÏÓÐʲô²»Í¬£¿£¨5.2.1£© 9. ÊÔÓÃÒ»ÌõLEAÖ¸ÁîʵÏÖÈçÏÂÔËËã²Ù×÷£º
EAX<--EBX+ESI*2+1234H
Äܹ»±£Ö¤¸ÃÔËËãÕýÈ·µÄÌõ¼þÊÇʲô£¿£¨5.2.1£© 10. дָÁî´Ó¶Ë¿Ú03FCHËÍÒ»¸öË«×Öµ½EAX¼Ä´æÆ÷¡£(5.2.1) 11. ˵Ã÷ÏÂÁÐÖ¸ÁîµÄ²Ù×÷¡£(5.2.1)
£¨1£© PUSH [BX] £¨2£© PUSHAD
£¨3£© PUSH 4 £¨4£© POP ESI
12. ¼ÙÉ裨EAX£©= 00001000H£¬£¨EBX£©= 00002000H£¬ÊÔÎÊÏÂÁÐÖ¸Áî·ÃÎÊÄÚ´æµÄÓÐЧµØÖ·ÊÇʲô£¿(5.2.1)
£¨1£© MOV ECX£¬[EAX+EBX] £¨2£© MOV [EAX+2*EBX]£¬CL £¨3£© MOV DH£¬[EBX+4*EAX+1000H] 13. ˵Ã÷ÏÂÃæÁ½ÌõÖ¸ÁîÊÇ·ñÕýÈ·¡£(5.2.2)
£¨1£© ADD ECX£¬AX £¨2£© MOV AX£¬[EBX£¬ECX]
14. ˵Ã÷Ö¸ÁîIMUL BX£¬DX£¬100HÍê³ÉµÄ²Ù×÷¡££¨5.2.2£©
15. дһ¸ö³ÌÐò¶Î£¬ÇóEAX¡¢EBX¡¢ECXµÄºÍ¡£ÈôÓнøÎ»Ôò½«1´æÈëEDX£»·ñÔòEDX´æÈë0£¬EAXΪÀÛ¼Ó
ºÍ¡££¨5.2.2£©
16. Ö¸³öÏÂÁÐÖ¸ÁîÐòÁÐÖ´ÐÐÍêºóÄ¿µÄ¼Ä´æÆ÷µÄÄÚÈÝ¡£(5.2.2)
£¨1£© MOV EAX£¬299FF94H ADD EAX£¬34FFFFH £¨2£© MOV EAX£¬39393834H AND EAX£¬0F0F0F0FH
17. ÒªÇó½«EAXÖеĵÚ0£¬1λȡ·´£¬ÓÃʲôָÁ£¨5.2.3£©
18. È磨EAX£©= 00001122H£¬£¨EBX£©= 00003344H£¬ÒªÇó°ÑËüÃÇ×°ÅäÔÚÒ»ÆðÐγÉ
£¨EAX£©= 11223344H£¬ÊÔ±à³ÌʵÏÖ¡££¨5.2.3£©
19. ÔÚʵ·½Ê½Ï£¨16λ¶Î£©±à³ÌÐò¶Î£¬°Ñ³¤¶ÈΪCX×Ö½ÚµÄÊý¾Ý¿é´ÓDS£ºSIÖ¸¶¨µÄÔ´´æ´¢Çø°áµ½ES£º
DIÖ¸¶¨µÄÄ¿µÄ´æ´¢Çø¡££¨5.2.4£© 20. JECXZÖ¸ÁîʲôÌõ¼þÏÂ×ªÒÆ£¿(5.2.5)
×÷ÒµÌâ´ð°¸
µÚÒ»Õ ¼ÆËã»úϵͳ¸ÅÊö ϰÌâ´ð°¸
1¡¢¼ÆËã»úϵͳ·ÖΪӲ¼þºÍÈí¼þÁ½´ó²¿·Ö¡£Ó²¼þ°üÀ¨£ºÔËËãÆ÷¡¢¿ØÖÆÆ÷¡¢´æ´¢Æ÷¡¢ÊäÈëÉ豸¡¢Êä³öÉ豸Îå¸öÖ÷Òª×é³É²¿·Ö¡£Èí¼þ·ÖΪϵͳÈí¼þºÍÓ¦ÓÃÈí¼þ¡£
£²¡¢ £¨£±£©»ã±àÓïÑÔÓë´¦ÀíÆ÷ÃÜÇÐÏà¹Ø¡£Ã¿ÖÖ´¦ÀíÆ÷¶¼ÓÐ×Ô¼ºµÄÖ¸Áîϵͳ£¬ÏàÓ¦µÄ»ã±àÓïÑÔ¸÷²»Ïàͬ¡£ËùÒÔ£¬»ã±àÓïÑÔ³ÌÐòµÄͨÓÃÐÔ¡¢¿ÉÒÆÖ²ÐԽϲ
£¨£²£©»ã±àÓïÑÔ¹¦ÄÜÓÐÏÞ£¬ÓÖÉæ¼°¼Ä´æÆ÷¡¢Ö÷´æµ¥ÔªµÈÓ²¼þϸ½Ú£¬ËùÒÔ±àд³ÌÐò±È½Ï·±Ëö£¬µ÷ÊÔÆðÀ´Ò²±È½ÏÀ§ÄÑ¡£
£¨£³£©»ã±àÓïÑÔ±¾ÖÊÉϾÍÊÇ»úÆ÷ÓïÑÔ£¬Ëü¿ÉÒÔÖ±½ÓµØ¡¢ÓÐЧµØ¿ØÖƼÆËã»úÓ²¼þ£¬Òò¶øÈÝÒײúÉúÔËÐÐËٶȿ졢ָÁîÐòÁжÌСµÄ¸ßЧÂÊÄ¿±ê³ÌÐò¡£
3¡¢ £¨£±£©1,0111,0001B 171H £¨£²£©10,0111,0001,0000B 2710H £¨£³£©1111,1111,1111B FFFH £¨£´£©111,1111,1111,1111B 7FFFH 4¡¢ £¨£±£©£²DH 45D £¨£²£©80H 128D
£¨£³£©FFFFH 65535D £¨£´£©FFH 255D
5¡¢ £¨£±£©1111,1010B 250D £¨£²£©101,1011B 91D
£¨£³£©1111,1111,1111,1110B 65534D £¨£´£©1,0010,0011,0100B 4660D 6¡¢ £¨£±£©½«A¡¢B¡¢C¾ùת»»ÎªÊ®½øÖÆÊý£¬Ôò A=0.101B=1*2-1+1*2-3=0.5+0.125=0.625D B=0.101D
C=0.101H=1*16-1+1*16-3=0.0625+0.0002=0.0627D Óɴ˿ɵÃA×î´óC×îС¡£
£¨£²£©½«A¡¢B¡¢C¾ùת»»ÎªÊ®½øÖÆÊý£¬Ôò A=1011B=1*23+1*21+1=8+2+1=11D B=1011D
C=1011H=1*163+1*16+1=4096+16+1=4113D Óɴ˿ɵÃC×î´óA×îС¡£
7¡¢ £¨£±£©0001,0010 £¨£²£©0010,0100 £¨£³£©0110,1000 £¨£´£©0001,0010,0111 £¨£µ£©0001,0010,1000 £¨£¶£©0010,0101,0101
£¨£·£©0001,0010,0011,0100 £¨£¸£©0010,0100,0101,1000 8¡¢ £¨£±£©91 £¨£²£©89 £¨£³£©36 £¨£´£©90 £¨£µ£©08 £¨£¶£©97 £¨£·£©81 £¨£¸£©02 9¡¢466F72206578616D706C6527
746869732069732061206E756D62657220333639322E 10¡¢ £¨£±£©±íʾµÄÊ®½øÖÆÊýΪ79D,×Ö·ûΪ\¡£ £¨£²£©±íʾµÄÊ®½øÖÆÊýΪ43D,×Ö·ûΪ\£«\¡£ £¨£³£©±íʾµÄÊ®½øÖÆÊýΪ115D,×Ö·ûΪ\¡£ £¨£´£©±íʾµÄÊ®½øÖÆÊýΪ89D,×Ö·ûΪ\¡£ 11¡¢ £¨£±£©D8=1101,1000B
µ±ÆäΪÓò¹Âë±íʾµÄ´ø·ûºÅÊýʱ£¬±íʾµÄÊ®½øÖÆÊýÊÇ-40D¡£ µ±ÆäΪÎÞ·ûºÅÊýʱ£¬±íʾµÄÊ®½øÖÆÊýÊÇ216D¡£ £¨£²£©FFH=1111,1111B
µ±ÆäΪÓò¹Âë±íʾµÄ´ø·ûºÅÊýʱ£¬±íʾµÄÊ®½øÖÆÊýÊÇ-1D¡£ µ±ÆäΪÎÞ·ûºÅÊýʱ£¬±íʾµÄÊ®½øÖÆÊýÊÇ255D¡£ 12¡¢µ±¿´×÷ÊÇÎÞ·ûºÅÊýʱ£¬¶ÔÓ¦µÄÊ®½øÖÆÕæÖµÊÇ182D¡£ µ±¿´×÷ÊÇÔÂë±íʾµÄ´ø·ûºÅÊýʱ£¬¶ÔÓ¦µÄÊ®½øÖÆÕæÖµÊÇ-54D¡£ µ±¿´×÷ÊDz¹Âë±íʾµÄ´ø·ûºÅÊýʱ£¬¶ÔÓ¦µÄÊ®½øÖÆÕæÖµÊÇ-74D¡£
13¡¢ £¨£±£©ÔÂ룺0000,0000B ·´Â룺0000,0000B ²¹Â룺0000,0000B £¨£²£©ÔÂ룺1111,1111B ·´Â룺1000,0000B ²¹Â룺1000,0001B £¨£³£©ÔÂ룺0111,1111B ·´Â룺0111,1111B ²¹Â룺0111,1111B £¨£´£©ÔÂ룺1011,1001B ·´Â룺1100,0110B ²¹Â룺1100,0111B £¨£µ£©ÔÂ룺0111,1110B ·´Â룺0111,1110B ²¹Â룺0111,1110B £¨£¶£©ÔÂ룺1111,1110B ·´Â룺1000,0001B ²¹Â룺1000,0010B £¨£·£©ÔÂ룺0100,0100B ·´Â룺0100,0100B ²¹Â룺0100,0100B 14¡¢Èç¹ûÈÏΪÊÇÎÞ·ûºÅÊý£¬ËüÊÇÊ®½øÖÆÊý97¡£ Èç¹ûÈÏΪÊÇBCDÂ룬±íʾʮ½øÖÆÊý61¡£ Èç¹ûÈÏΪÊÇASCIIÂ룬´ú±í×Ö·û\¡£
15¡¢ £¨£±£©1111,0001B £¨£²£©1,0010,1110,0011B