PUSHR — opcode $07¶
PUSHR Rn — [R1] ← Rn.hi; R1−−; [R1] ← Rn.lo; R1−−. Operand byte = n (low nibble)
| Operands | Bytes | Microcode steps |
|---|---|---|
| Rn | 2 | 26 |
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