Toy Machine

Question 1

Opcode

0

Answer 1

halt - exit

Question 2

Opcode

1 add 1 R[d] <- R[s] + R[t]

Question 3

Opcode

1 add 1 R[d] <- R[s] + R[t]
2 subtract 1 R[d] <- R[s] - R[t]

Question 4

3 and 1 R[d] <- R[s] & R[t]

Question 5

4 xor 1 R[d] <- R[s] ^ R[t]

Question 6

5 left shift 1 R[d] <- R[s] «_space;R[t]

Question 7

6 right shift 1 R[d] <- R[s]»_space; R[t]

Question 8

7 load address 2 R[d] <- addr