SUBT — opcode $B9¶
SUBT — ACC ← ACC − TMP (carry: ← borrow (hardware only))
| Operands | Bytes | Microcode steps |
|---|---|---|
| — | 1 | 10 |
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