(statement)
Fill in the following table with the elementary operations and control signals associated to the instruction "BEQ Rf1, Rf2, desp".| Cycle | Elemental Op. | Activated signals (rest are 0) |
| ... | ... | ... |
(solution)
| Cycle | Elemental Op. | Activated signals (rest are 0) |
| 0 | Rf1 - Rf2 | SelA=10101, SelB=10000, SelCop=1011, MC, C7, M7, SelP=11, C=0000, B=0, A0=0 |
| 1 | If (Z == 0) goto fetch else next |
MADDR=0, C=0110, B=1, A0=0 |
| 2 | RT1 ← PC | T2, C4, C=0000, B=0, A0=0 |
| 3 | RT2 ← IR (dir) | Size = 10000, Offset=00000, T3, C5, C=0000, B=0, A0=0 |
| 4 | PC ← RT1 +RT2 | MA, MB=01, SelCop=1010, MC, T6, C2, C=0000, B=1, A0=1 |