SS.Ready Get Status
From NitrOS-9
Tests for data available on SCF-supported devices.
| Entry Conditions | |
| A | path number |
| B | SS.Ready ($01) |
| Exit Conditions | |
| If the device is ready: | |
| CC | carry clear |
| B | $00 |
| If the device is not ready: | |
| CC | carry set |
| B | $F6 (E$SRNDY) |
| Error Output | |
| CC | carry set |
| B | error code |
