84PCE:Ports:B000 Unknowns
From WikiTI
| Port | Default | Bits | Information |
| B000 | 64 | ?? | Value seems fixed |
| B001 | 64 | ?? | Value seems fixed |
| B002 | 61 | ?? | Value seems fixed |
| B003 | 4C | ?? | Value seems fixed |
| B004 | 00 | FF | Ports B004-B007 latch value written |
| B008 | Ports B008-B00B always read 0 | ||
| B00C | 00 | 77 | Writing FF latches to 63, though you can manually write 67. |
| B00D | 00 | FF | Ports B00D-B00F latch value written |
| B010 | Ports B010-B013 always read 0 | ||
| B014 | 00 | FF | Ports B014-B01B latch value written |
| B01C | Ports B01C-B01F always read 0 |
