X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=bootcensus;a=blobdiff_plain;f=src%2Ffloppy.h;fp=src%2Ffloppy.h;h=f38e284e3a000db500d7f5e50c009c53077c35ee;hp=0000000000000000000000000000000000000000;hb=78e3e75fc7b5838d0261c876d00e1b8c3e0bcfe0;hpb=7b6f6de2124e28ae7da5599a7cdaf2c171c4f15e

diff --git a/src/floppy.h b/src/floppy.h
new file mode 100644
index 0000000..f38e284
--- /dev/null
+++ b/src/floppy.h
@@ -0,0 +1,44 @@
+/*
+pcboot - bootable PC demo/game kernel
+Copyright (C) 2018-2019  John Tsiombikas <nuclear@member.fsf.org>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY, without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+#ifndef FLOPPY_H_
+#define FLOPPY_H_
+
+#define FDC_REG_DOUT	0x3f2
+#define FDC_REG_STAT	0x3f4
+#define FDC_REG_DATA	0x3f5
+
+#define FDC_STAT_ACTA	0x01
+#define FDC_STAT_ACTB	0x02
+#define FDC_STAT_ACTC	0x04
+#define FDC_STAT_ACTD	0x08
+#define FDC_STAT_BUSY	0x10
+#define FDC_STAT_NODMA	0x20
+#define FDC_STAT_IODIR	0x40
+#define FDC_STAT_RDY	0x80
+
+#define FDC_DOUT_SEL(x)	(x)
+#define FDC_DOUT_RST	0x04
+#define FDC_DOUT_DMA	0x08
+#define FDC_DOUT_MOTA	0x10
+#define FDC_DOUT_MOTB	0x20
+#define FDC_DOUT_MOTC	0x40
+#define FDC_DOUT_MOTD	0x80
+
+void floppy_motors_off(void);
+
+#endif	/* FLOPPY_H_ */