一道单片机题每步摆脱稍微解释下 MOV DPTR,#2314H MOV R0 ,DPHMOV 14H,#22HMOV R1,DP_其他解答

一道单片机题每步摆脱稍微解释下
MOV DPTR,#2314H
MOV R0 ,DPH
MOV 14H,#22H
MOV R1,DPL
MOV 23H,#56H
MOV A,@RO
XCH A,DPH

人气：225 ℃　时间：2020-10-01 21:37:29

解答

MOV DPTR,#2314H ;DPTR = 2314HMOV R0,DPH ;R0 = 23HMOV 14H,#22H ;(14H) = 22HMOV R1,DPL ;R1 = 14HMOV 23H,#56H ;(23H) = 56HMOV A,@R0 ;A = (23H) = 56HXCH A,DPH ;A = 23H,DPH = 56H