Instuction Fetch |
Instuction Decode |
Operand Fetch |
Excute |
Result Store |
Next Instruction |
stack | 0 address | ADD | tos<---tos+next | |
Accumulator | 1 address | ADD A | acc<---acc+mem[A] | |
1+x address | ADDX A | acc<---acc+mem[A+x] | ||
Register-memory | 2 address | ADD A B | EA[A]<---EA[A] | |
3 address | add A B C | EA[A]<---EA[B]+EA[C] | ||
Load-Store | 3 address | add A B C | A<---B+C | |
load A B | A<---mem[B] |
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