diff options
Diffstat (limited to 'sys/dev/rc/rcreg.h')
| -rw-r--r-- | sys/dev/rc/rcreg.h | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/sys/dev/rc/rcreg.h b/sys/dev/rc/rcreg.h index 1cc3354..bd92540 100644 --- a/sys/dev/rc/rcreg.h +++ b/sys/dev/rc/rcreg.h @@ -42,7 +42,7 @@ #define RC_VALIDIRQ(i) ((i) < 16 && \ "\0\0\0\1\1\1\0\1\0\0\1\1\1\0\0\1"[(i) & 0xF]) -/* Riscom/8 board I/O mapping */ +/* Riscom/8 board ISA I/O mapping */ #define RC_IOMAP(r) ((((r) & 07) << 1) | (((r) & ~07) << 7)) /* I/O commands */ @@ -50,8 +50,8 @@ #define RC_IN(p,i) inb (RC_IOMAP(i) + (p)) /* Riscom on-board registers (mapping assumed) */ -#define RC_RI 0x100 /* Ring Indicator Register (read-only) */ -#define RC_DTR 0x100 /* DTR Register (write-only) */ +#define RC_RIREG 0x100 /* Ring Indicator Register (read-only) */ +#define RC_DTREG 0x100 /* DTR Register (write-only) */ #define RC_BSR 0x101 /* Board Status Register (read-only) */ #define RC_CTOUT 0x101 /* Clear Timeout (write-only) */ @@ -63,10 +63,10 @@ /* Interrupt groups */ #define RC_MODEMGRP 0x01 /* Modem interrupt group */ -#define RC_TXGRP 0x02 /* Transmitter interrupt group */ -#define RC_RXGRP 0x04 /* Receiver interrupt group */ +#define RC_RXGRP 0x02 /* Receiver interrupt group */ +#define RC_TXGRP 0x04 /* Transmitter interrupt group */ /* Priority Interrupt Level definitions */ #define RC_PILR_MODEM (0x80 | RC_MODEMGRP) -#define RC_PILR_TX (0x80 | RC_TXGRP ) #define RC_PILR_RX (0x80 | RC_RXGRP ) +#define RC_PILR_TX (0x80 | RC_TXGRP ) |
