鎬濊�冮锛?/p>
銆?/p>
3-1
銆戞眹缂栬瑷�涓?/p>
C
璇█鍝璇█鐨勫彲璇绘�у拰鍙Щ妞嶆�у己锛熷湪瀵归�熷害鍜屾椂搴忔晱鎰熺殑鍦哄悎搴旇浣跨敤
浠�涔堣瑷�
?
瀵逛簬澶嶆潅鐨勫崟鐗囨満绯荤粺涓�鑸噰鐢?/p>
C
涓庢眹缂栨贩鍚堢紪绋嬬殑褰㈠紡杩欏彞璇濆鍚楋紵
銆?/p>
3-2
銆戜簩杩涘埗鏈哄櫒璇█涓?/p>
C
鍜屾眹缂栬瑷�涓よ�呬箣闂存槸浠�涔堝叧绯伙紵鐢?/p>
C
鎴栨眹缂栫紪鍒剁殑绋嬪簭鍦?/p>
ROM
涓槸
浠ョ紪璇戝悗鐨勪簩杩涘埗浠ｇ爜鐨勫舰寮忓瓨鏀捐繖鍙ヨ瘽瀵瑰悧锛?/p>
銆?/p>
3-3
銆?/p>
80C51
绯诲垪鍗曠墖鏈烘寚浠ょ殑鏍煎紡鍖呭惈鍝嚑涓儴鍒嗭紵鍚勯儴鍒嗕箣闂寸殑闂撮殧绗︽槸浠�涔堬紵鍥涗釜閮ㄥ垎涓摢
涓儴鍒嗘槸蹇呴』瀛樺湪鐨勶紝鍝嚑涓儴鍒嗘槸鍙湁鍙棤鐨勶紵鏍囧彿鐨勬牸寮忓拰浠ｈ〃鐨勬剰涔夋槸锛?/p>
銆?/p>
3-4
銆?/p>
80C51
绯诲垪鍗曠墖鏈烘湁鍝嚑绉嶅鍧�鏂瑰紡
?
銆?/p>
3-5
銆?/p>
80C51
鍗曠墖鏈轰腑绔嬪嵆鏁版槸瀛樻斁鍦?/p>
ROM
涓繕鏄?/p>
RAM
涓紵
銆?/p>
3-6
銆戝垽鏂笅鍒楄娉曟槸鍚︽纭�?/p>
锛?/p>
1
锛夌珛鍗虫暟瀵诲潃鏂瑰紡鏄鎿嶄綔鐨勬暟鎹湰韬氨鍦ㄦ寚浠や腑锛岃�屼笉鏄畠鐨勫湴鍧�鍦ㄦ寚浠や腑銆?/p>
锛?/p>
锛?/p>
锛?/p>
2
锛夋寚浠ゅ懆鏈熸槸鎵ц涓�鏉℃寚浠ょ殑鏃堕棿銆?/p>
锛?/p>
锛?/p>
锛?/p>
3
锛夋寚浠や腑鐩存帴缁欏嚭鐨勬搷浣滄暟绉颁负鐩存帴瀵诲潃銆?/p>
锛?/p>
锛?/p>
锛?/p>
4
锛夊唴閮ㄥ瘎瀛樺櫒
Rn
锛?/p>
n=0~7
锛夊彲浣滀负闂存帴瀵诲潃瀵勫瓨鍣ㄣ�?/p>
锛?/p>
锛?/p>
銆?/p>
3-7
銆?/p>
80C51
鍗曠墖鏈哄彲浠ヨ繘琛岀洿鎺ュ鍧�鐨勫尯鍩熸槸锛?/p>
銆?/p>
3-8
銆?/p>
80C51
鍗曠墖鏈哄彲浠ヨ繘琛屽瘎瀛樺櫒瀵诲潃鐨勮寖鍥存槸锛?/p>
銆?/p>
3-9
銆?/p>
80C51
鍗曠墖鏈哄彲浠ヨ繘琛屽瘎瀛樺櫒闂存帴瀵诲潃鐨勫瘎瀛樺櫒鏄紵瀵诲潃鐨勮寖鍥存槸锛?/p>
銆?/p>
3-10
銆戝湪瀵勫瓨鍣ㄩ棿鎺ュ鍧�鏂瑰紡涓紝鍏垛�滈棿鎺モ�濅綋鐜板湪鎸囦护涓瘎瀛樺櫒鐨勫唴瀹逛笉鏄搷浣滄暟锛岃�屾槸鎿嶄綔
鏁扮殑锛?/p>
锛?/p>
銆?/p>
銆?/p>
3-11
銆?/p>
80C51
鍗曠墖鏈哄彉鍧�瀵诲潃鏂瑰紡涓彲浠ヤ綔鍩哄潃鐨勫瘎瀛樺櫒鏄紵鍙互浣滃彉鍧�鐨勫瘎瀛樺櫒鏄紵
@A+PC
锛?/p>
@A+DPTR
鎵�鎵惧埌鐨勬搷浣滄暟鏄湪
ROM
涓鍚楋紵
銆?/p>
3-12
銆?/p>
80C51
鍗曠墖鏈虹浉瀵瑰鍧�鏀瑰彉鐨勬槸
PC
鐨勫綋鍓嶅�硷紝
鍗虫敼鍙樼殑
CPU
鎵ц鎸囦护鐨勯『搴忚繖鍙ヨ瘽瀵瑰惁锛?/p>
銆?/p>
3-13
銆戣嫢璁块棶鐗规畩鍔熻兘瀵勫瓨鍣紝鍙彲浠ラ噰鐢ㄩ偅绉嶅鍧�鏂瑰紡
?
銆?/p>
3-14
銆戣嫢璁块棶澶栭儴
RAM
鍗曞厓锛屽彧鍙互浣跨敤鍝瀵诲潃鏂瑰紡
?
銆?/p>
3-15
銆戣嫢璁块棶鍐呴儴
RAM
鍗曞厓锛屽彲浣跨敤鍝簺瀵诲潃鏂瑰紡
?
銆?/p>
3-16
銆戣嫢璁块棶鍐呭绋嬪簭瀛樺偍鍣紝鍙娇鐢ㄥ摢浜涘鍧�鏂瑰紡
?
銆?/p>
3-17
銆?/p>
80C51
鍗曠墖鏈哄彲浠ヨ繘琛屼綅瀵诲潃鐨勫瓧鑺傚崟鍏冭寖鍥撮櫎
11
涓彲浣嶅鍧�鐨勭壒娈婂姛鑳藉瘎瀛樺櫒澶栬繕鍖呮嫭
鍝釜鍖哄煙锛熷垎鍒壘鍑轰綅鍦板潃鏄?/p>
00H
銆?/p>
08H
銆?/p>
22H
銆?/p>
7FH
銆?/p>
D0H
銆?/p>
E0H
瀵瑰簲鐨勫瓧鑺傚湴鍧�锛?/p>
銆?/p>
3-18
銆戝凡鐭ワ紙
30H
锛?/p>
=40H
锛?/p>
锛?/p>
40H
锛?/p>
=10H
锛?/p>
锛?/p>
10H
锛?/p>
=32H
锛?/p>
锛?/p>
P1
锛?/p>
=0EFH
锛岃瘯鍐欏嚭鎵ц浠ヤ笅绋嬪簭娈靛悗鏈?/p>
鍏冲崟鍏冪殑鍐呭銆?/p>
MOV R0
锛?/p>
#30H
MOV A
锛?/p>
@R0
MOV R1
锛?/p>
A
MOV B
锛?/p>
@Ri
MOV @R1
锛?/p>
P1
MOV P2
锛?/p>
P1
MOV 10H
锛?/p>
#20H
MOV 30H
锛?/p>
10H
銆?/p>
3-19
銆戜负浠�涔堝鍩烘湰鍨嬬殑
51
瀛愮郴鍒楀崟鐗囨満锛堢墖鍐?/p>
RAM
涓?/p>
128B
锛?/p>
锛屽叾瀵勫瓨鍣ㄩ棿鎺ュ鍧�鏂瑰紡锛堜緥濡?/p>
MOV A
锛?/p>
@R0
锛変腑锛岃瀹?/p>
R0
鎴?/p>
R1
鐨勫唴瀹逛笉鑳借秴杩?/p>
7FH
锛?/p>
銆?/p>
3-20
銆戝閮?/p>
RAM
鏁版嵁浼犻�佹寚浠ゆ湁鍑犳潯
?
璇曟瘮杈冧笅闈㈡瘡涓�缁勪腑涓ゆ潯鎸囦护鐨勫尯鍒紵
锛?/p>
1
锛?/p>
MOVX A
锛?/p>
@R1 MOVX A
锛?/p>
@DPTR
锛?/p>
2
锛?/p>
MOVX A
锛?/p>
@DPTR MOVX @DPTR
锛?/p>
A
锛?/p>
3
锛?/p>
MOV @R0
锛?/p>
A MOVX @R0
锛?/p>
A