STR — opcode $E8¶
STR Rn,addr — R2 ← addr; [R2] ← Rn.hi; [R2+1] ← Rn.lo; R2 ← addr+1
| Operands | Bytes | Microcode steps |
|---|---|---|
| Rn,addr | 3 | 28 |
One column per microcode step. The control lines are read from the microcode image; the address bus, data bus and registers at the bottom are a model. How to read the diagrams · the instruction set