在MCS-51单片机中，要将寄存储R3内的数据传送到外RAM1200H地址单元。试编写指令实现。 MCS—51单片机的数据传送指令
\u5c06\u5185\u90e8RAM\u4e00\u7ec4\u6570\u636e,\u5c06\u5176\u4f20\u9001\u5230\u5916\u90e8RAM\u76840000H\u5355\u5143\u5f00\u59cb\u7684\u5b58\u50a8\u533a\u3002 \u7528mcs-51\u5355\u7247\u673a\u7f16\u5199\u3002ORG 0000H
AJMP MAIN
ORG 0100H
MAIN:
MOV R0,"RAM\u4e2d\u6570\u636e\u8d77\u59cb\u5730\u5740 "
MOV R1,"\u6b32\u4f20\u9001\u7684\u6570\u636e\u4e2a\u6570"
LOOP:
MOV A,@R0
MOVX @DPTR,A
DEC R1
INC DPTR
INC R0
JNZ R1,LOOP
END
51\u5355\u7247\u673a\u5168\u90e8\u7684\u6570\u636e\u4f20\u9001\u6307\u4ee4\u5982\u4e0b\u56fe\uff1a
绛旓細鏀瑰彉 RS0 RS1 鐨勬暟鎹氨鍙互鏀瑰彉宸ヤ綔瀵勫瓨鍣ㄧ粍锛岃蒋浠剁粰杩欎袱涓笢瑗胯祴鍊煎氨琛屼簡.涓婄數澶嶄綅鍚庯紝鍦ㄥ垵濮嬪寲绋嬪簭閲岋紝瀵瑰瘎瀛樺櫒PSW鐨凴S1銆丷S0锛圥SW.4銆丳SW.3锛夛細4缁勫伐浣滃瘎瀛樺櫒鍖洪夋嫨鎺у埗浣1鍜屼綅0銆傞粯璁ゅ簲璇ユ槸瀵勫瓨鍣ㄧ粍0.褰撲綘闇瑕佷娇鐢ㄥ伐浣滃瘎瀛樺櫒鏃讹紝cpu閫氳繃瀵勫瓨鍣≒SW鐨凴S1銆丷S0锛圥SW.4銆丳SW.3锛夌殑璁剧疆鏉ラ夋嫨...
绛旓細MOV A,PSW鏄鐨勶紝杩欎釜鏍煎紡鏄洿鎺ュ鍧鐨勫舰寮忋鍦∕CS-51鍗曠墖鏈轰腑锛鐩存帴瀵诲潃鏂瑰紡鍙互璁块棶鐗囧唴RAM浣128鍜屾墍鏈夌壒娈婂姛鑳藉瘎瀛樺櫒锛孭SW灞炰簬鐗规畩鍔熻兘瀵勫瓨鍣
绛旓細MCS-51 鍗曠墖鏈鐨勫瓨鍌ㄥ櫒鍦板潃绌洪棿,璁茶捣鏉,瑕佺敤鍑犻〉.绠鍗曚粙缁嶅涓嬶細MCS-51鐨勫瓨鍌ㄥ櫒鏈夌墖鍐匯AM銆佺墖澶朢AM 鍜 ROM 涓変釜绌洪棿.鐗囧唴RAM锛氬湴鍧鑼冨洿鏄00H鍒7FH 锛52绯诲垪寤朵几鍒癋FH锛.鍏朵腑00H鍒1FH,鍏32瀛楄妭,鍒嗘垚鍥涗釜宸ヤ綔瀵勫瓨鍣ㄥ尯,姣忓尯鏈夊瘎瀛樺櫒 R0~R7.瀵规鍖哄煙,鍙互浣跨敤 R0~R7 鏉ユ搷浣,浣嗘槸,褰撳墠鍙湁涓涓...
绛旓細鍦∕CS-51鍗曠墖鏈鐨勫唴閮≧AM涓紝浣128瀛楄妭鐨20H鍒2FH鍖哄煙锛堝叡16涓瓧鑺傦級鏀寔浣嶅鍧锛屽叾浣嶅湴鍧鑼冨洿鏄00H鍒7FH銆備緥濡傦紝濡傛灉瑕佽闂綅鍦板潃涓48H鐨勪綅锛屽搴旂殑鍗曞厓鍦板潃璁＄畻鏂瑰紡鏄皢浣嶅湴鍧闄や互8鍐嶅姞20H锛屽嵆48H/8+20H=29H銆傚湪鐗规畩鍔熻兘瀵勫瓨鍖轰腑锛屽儚90H杩欐牱鐨勪綅鍦板潃锛屽彲閫氳繃鏌ヨ〃鎵惧埌鍏跺搴旂殑瀛楄妭鍦板潃锛屽90H...
绛旓細灏嗕互 R2銆丷3 涓洪鍦板潃鐨勬簮 RAM 鍖虹殑 R6銆丷7 瀛楄妭鐨勬暟鎹 浼犻佸埌浠 R4銆丷5 涓洪鍦板潃鐨勭洰鐨 RAM 鍖恒傝瀹 R2銆丷3 鎵瀛樺偍鐨勬簮 RAM 棣栧湴鍧涓 2000H锛堝嵆 R2銆丷3 鍒嗗埆涓 20H銆00H锛夛紝R4銆丷5 鎵瀛樺偍鐨勭洰鐨 RAM 棣栧湴鍧涓 4000H锛堝嵆 R4銆丷5 鍒嗗埆涓 40H銆00H锛夛紝R6銆丷7 鎵瀛樺偍 鐨勫瓧鑺傛暟涓 ...
绛旓細(1)ADD A,@R1 灏哛I琛ㄧず鐨勫湴鍧閲岄潰鐨勬暟鎹0DDH涓庢暟鎹瓵锛78H鐩稿姞锛屽緱A涓165H锛(2)SUBB A,#77H 绱姞鍣ˋ閲岀殑鍐呭鍑忓幓70H鍚庯紝杩欎釜绔嬪嵆鏁板啀璧嬪肩粰A,寰桝涓0DEH锛(3)MUL AB A涓嶣鐩镐箻鍚庤祴鍊肩粰A锛屽嵆A=A*04H锛(4)DIV AB A涓嶣鐩镐箻鍚庤祴鍊肩粰A锛屽嵆A=A/04H;(5)ANL 78H,#78H 78H鍗曞厓...
绛旓細MCS-51绯诲垪鍗曠墖鏈鐗囧唴RAM鍏辨湁128瀛楄妭锛屽湴鍧鑼冨洿涓00H~7FH銆傚湪杩128瀛楄妭涓紝鍏ㄩ儴閮藉彲浠ユ寜鐓у瓧鑺傚湴鍧杩涜鎿嶄綔锛堣銆佸啓鎴栬繍绠楋級锛岀洿鎺ユ垨闂存帴瀵诲潃鏂瑰紡鐨嗗彲銆傚湪杩128瀛楄妭涓紝鎸夌収浣跨敤鐗圭偣锛屽彲浠ュ垎鎴愪笁绫伙細宸ヤ綔瀵勫瓨鍣ㄥ尯銆佷綅瀵诲潃鍖哄拰閫氱敤鏁版嵁鍖恒1锛庡伐浣滃瘎瀛樺櫒鍖 鍦∕CS-51绯诲垪鍗曠墖鏈虹殑鐗囧唴RAM涓紝鏈夊洓涓伐浣...
绛旓細MCS-51鍗曠墖鏈鐨勫伐浣滃瘎瀛樺櫒宸ヤ綔鍦3鍖洪棶R3瀵勫瓨鍣ㄥ搴擱AM鐨勫崟鍏冨湴鍧涓 13H
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