Disk data byte and status read
This register is the Disk-Microprocessor data buffer. Data from the disk (in read mode) is loaded into this register one byte at a time, and bit 15 (DSKBYT) is set true.
| Bit | Function | Description |
|---|---|---|
| 15 | DSKBYT | Disk byte ready (reset on read) |
| 14 | DMAON | DMAEN (DSKLEN) & DMAEN (DMACON) & DSKEN (DMACON) |
| 13 | DISKWRITE | Mirror of bit 14 (WRITE) in DSKLEN |
| 12 | WORDEQUAL | This bit true only while DSKSYNC register equals the data from disk |
| 11-08 | 0 | Not used |
| 07-00 | DATA | Disk byte data |