diff options
Diffstat (limited to 'c/src/lib/libchip/serial/mc68681.h')
| -rw-r--r-- | c/src/lib/libchip/serial/mc68681.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/c/src/lib/libchip/serial/mc68681.h b/c/src/lib/libchip/serial/mc68681.h index b092eadb1b..64b8d9800b 100644 --- a/c/src/lib/libchip/serial/mc68681.h +++ b/c/src/lib/libchip/serial/mc68681.h @@ -20,10 +20,16 @@ extern "C" { /* * These are just used in the interface between this driver and - * the read/write register routines. + * the read/write register routines when accessing the first + * control port. */ -#define MC68681_STATUS_REG 0xFF +#define MC68681_STATUS 1 +#define MC68681_RX_BUFFER 2 + +#define MC68681_CLOCK_SELECT 1 +#define MC68681_COMMAND 2 +#define MC68681_TX_BUFFER 3 /* * Driver function table |