1 files changed, 62 insertions, 0 deletions
diff --git a/util/alevt/vt.h b/util/alevt/vt.h
new file mode 100644
index 0000000..75986e8
--- /dev/null
+++ b/util/alevt/vt.h
@@ -0,0 +1,62 @@
+#ifndef VT_H
+#define VT_H
+
+#include "misc.h"
+
+#define W 40
+#define H 25
+#define BAD_CHAR 0xb8 // substitute for chars with bad parity
+
+struct vt_event
+{
+    int type;
+    void *resource;	/* struct xio_win *, struct vbi *, ... */
+    int i1, i2, i3, i4;
+    void *p1;
+};
+
+#define EV_CLOSE	1
+#define EV_KEY		2	// i1:KEY_xxx  i2:shift-flag
+#define EV_MOUSE	3	// i1:button  i2:shift-flag i3:x  i4:y
+#define EV_SELECTION	4	// i1:len  p1:data
+#define EV_PAGE		5	// p1:vt_page i1:query-flag
+#define EV_HEADER	6	// i1:pgno  i2:subno  i3:flags  p1:data
+#define EV_XPACKET	7	// i1:mag  i2:pkt  i3:errors  p1:data
+#define EV_RESET	8	// ./.
+#define EV_TIMER	9	// ./.
+#define EV_ERR		10	// p1: errmsg
+#define KEY_F(i)	(1000+i)
+#define KEY_LEFT	2001
+#define KEY_RIGHT	2002
+#define KEY_UP		2003
+#define KEY_DOWN	2004
+#define KEY_PUP		2005
+#define KEY_PDOWN	2006
+#define KEY_DEL		2007
+#define KEY_INS		2008
+
+struct vt_page
+{
+    int pgno, subno;	// the wanted page number
+    int lang;		// language code
+    int flags;		// misc flags (see PG_xxx below)
+    int errors;		// number of single bit errors in page
+    u32 lines;		// 1 bit for each line received
+    u8 data[25][40];	// page contents
+    int flof;		// page has FastText links
+    struct {
+    int pgno;
+    int subno;
+    } link[6]; // FastText links (FLOF)
+};
+
+#define PG_SUPPHEADER	0x01	// C7  row 0 is not to be displayed
+#define PG_OUTOFSEQ	0x04	// C9  page out of numerical order
+#define PG_NODISPLAY	0x08	// C10 rows 1-24 is not to be displayed
+#define PG_MAGSERIAL	0x10	// C11 serial trans. (any pkt0 terminates page)
+#define PG_ERASE	0x20	// C4  clear previously stored lines
+#define PG_NEWSFLASH	0x40	// C5  box it and insert into normal video pict.
+#define PG_SUBTITLE	0x80	// C6  box it and insert into normal video pict.
+#define PG_ACTIVE	0x100	// currently fetching this page
+#define ANY_SUB		0x3f7f	// universal subpage number
+#endif