ESC
ESC - Escape
Provides access to the data bus for other resident processors.
The CPU treats it as a NOP but places memory operand on bus.
Usage:
ESC immed,src ;
Modifies flags:
none
| Clocks | Size | |||||
|---|---|---|---|---|---|---|
| Operands | 808x | 286 | 386 | 486 | Bytes | |
| immed,reg | 2 | 9-20 | ? | 2 | ||
| immed,mem | 2 | 9-20 | ? | 2-4 | ||