Assembly language HCS12

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Question # 3 Write an assembly program which asks user to enter a character from 'A' to Z. If the user enters any other character, the program asks user to enter the character again. In this way the program inputs 300 characters and stores it in memory location from address $1000 to $1128. Hint: Use CPU register Y as counter Question # 4 Write an assembly program which multiplies each content of memory locations $00FF to $01DE by 2 Convert your program into machine code. Question # 3 Write an assembly program which asks user to enter a character from 'A' to Z. If the user enters any other character, the program asks user to enter the character again. In this way the program inputs 300 characters and stores it in memory location from address $1000 to $1128. Hint: Use CPU register Y as counter Question # 4 Write an assembly program which multiplies each content of memory locations $00FF to $01DE by 2 Convert your program into machine code