微處理機(8051)上機考古題 Arithmetic 2-9

9.Write a program to change a 2-byte BCD stored in 20H-21H into a 16-bit unsigned number at 30H-31H. For example, if (20H)=38H, (21H)=59H, then (30H)=0FH, (31H)=13H.(09.12.31.PM12:54最後更新)(10.01.03PM12:10做程式碼修正)

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微處理機(8051)上機考古題 data move-1-8

8.Shuffle the data from external data RAM 1000H-13FFH and 1400H to 17FFH to 2000H-27FFH. That is, move (1000)H to (2000H), (1400H) to (2001H), (1001H) to (2002H), (1401H) to (2003H), etc.(09.12.25.AM11.45最後更新程式碼)

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