CPU enters wait state until the coprocessor signals it has finished it's operation.
This instruction is used to prevent the CPU from accessing memory that may be temporarily in use by the coprocessor.
WAIT and FWAIT are identical.
Usage:
WAIT ; FWAIT ;
Modifies flags:
none
| Clocks | Size | |||||
|---|---|---|---|---|---|---|
| Operands | 808x | 286 | 386 | 486 | Bytes | |
| none | 4 | 3 | 6+ | 1-3 | 1 | |