You are asked by a local company, ABC Sdn Bhd, to design a MC68000 microprocessor based...

  

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You are asked by a local company, ABC Sdn Bhd, to design a MC68000 microprocessor based system which needs to be interfaced with 16k byte RAM and 32k bytes ROM. The ROM starting address is $10000 and the RAM starting address is $30000 while analog input (8 bits) and LED Bar 8 bits are at $60000 and $70000, respectively. a) You are required to design address decoding table for all devices above. b) Based on the following mathematical equation: Y = (3K + 10)/3 Write the 68000 assembly language program that will compute the expression above. The value of K is read from analog input, Y is displayed at LED bar and the reminder will be stored at data register D7. Treat all numbers as unsigned number. You are asked by a local company, ABC Sdn Bhd, to design a MC68000 microprocessor based system which needs to be interfaced with 16k byte RAM and 32k bytes ROM. The ROM starting address is $10000 and the RAM starting address is $30000 while analog input (8 bits) and LED Bar 8 bits are at $60000 and $70000, respectively. a) You are required to design address decoding table for all devices above. b) Based on the following mathematical equation: Y = (3K + 10)/3 Write the 68000 assembly language program that will compute the expression above. The value of K is read from analog input, Y is displayed at LED bar and the reminder will be stored at data register D7. Treat all numbers as unsigned number.

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