diff options
Diffstat (limited to 'sys/isa/fdreg.h')
| -rw-r--r-- | sys/isa/fdreg.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/isa/fdreg.h b/sys/isa/fdreg.h index 4d01c41..f0b8eeb 100644 --- a/sys/isa/fdreg.h +++ b/sys/isa/fdreg.h @@ -63,6 +63,11 @@ /* for some controllers 1MPBS instead */ #endif /* FDC_500KBPS */ +/* + * this is the secret PIO data port (offset from base) + */ +#define FDC_YE_DATAPORT 6 + #define FDIN 7 /* Digital Input Register (R) */ #define FDI_DCHG 0x80 /* diskette has been changed */ /* requires drive and motor being selected */ |
