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1. (20 pts ) Convert the following 68K assembly language instructions into RTL. Write “invalid” for...

1. (20 pts ) Convert the following 68K assembly language instructions into RTL. Write “invalid” for incorrect 68k instructions.

MOVE 3000, 4000

MOVE #4000, 5000

MOVE #12, (A0)

MOVE (A1), (A2)

MOVE #4000, D4

MOVE (A0), D3

ADD #13, D4

ADD (A3), 1234

MOVE D3, #4

MOVE (D3), D2

engineering   Electrical-Engineering   
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Answer #1

RTL forms of given instructions

1) invalid

2)[5000]←4000 , data 4000 is transferred to location 5000

3)[A0]← 12 the data 12 is copied the memory location contain A0

4)invalid

5)[D4]← 4000 , the data 4000 is moved to the register d4

6) [D3]← (A0) the data in A0 location is moved to the d3 register

7)[D4]←[D4]+13 , the number 13 is added to the register D4

8)invalid

9)invalid

10)[D2]← (D3) the data in memory location d3 is copied into the D2 register

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