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authorache <ache@FreeBSD.org>1995-06-14 19:37:02 +0000
committerache <ache@FreeBSD.org>1995-06-14 19:37:02 +0000
commit38b4136817368a83634c8339861616489175c107 (patch)
tree9d49653e062061d6e7c358b364d705ed7ad1cbbf /sys/i386/isa/rcreg.h
parent27d378a02a571f4c4d2d0056aa5bbe02639f045d (diff)
downloadFreeBSD-src-38b4136817368a83634c8339861616489175c107.zip
FreeBSD-src-38b4136817368a83634c8339861616489175c107.tar.gz
Next version, many bugs fixed
Diffstat (limited to 'sys/i386/isa/rcreg.h')
-rw-r--r--sys/i386/isa/rcreg.h12
1 files changed, 6 insertions, 6 deletions
diff --git a/sys/i386/isa/rcreg.h b/sys/i386/isa/rcreg.h
index 1cc3354..bd92540 100644
--- a/sys/i386/isa/rcreg.h
+++ b/sys/i386/isa/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 )
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