1 files changed, 90 insertions, 0 deletions
diff --git a/reference/C/CONTRIB/SNIP/vio.h b/reference/C/CONTRIB/SNIP/vio.h
new file mode 100755
index 0000000..f199208
--- /dev/null
+++ b/reference/C/CONTRIB/SNIP/vio.h
@@ -0,0 +1,90 @@
+/*
+**  By: Jim Nutt
+*/
+
+#ifndef VIO_H
+#define VIO_H
+
+#if __cplusplus
+extern "C" {
+#endif
+
+#if defined(__TURBOC__)
+ #define _far far
+ #define _pascal pascal
+#endif
+
+/* initialization and termination functions */
+
+int  _far VIOopen(void);
+void _far VIOclose(void);
+
+/* scrolling functions */
+
+void _far VIOscrollright(int x1, int y1, int x2, int y2, int count);
+void _far VIOscrollleft(int x1, int y1, int x2, int y2, int count);
+void _far VIOscrollup(int x1, int y1, int x2, int y2, int count);
+void _far VIOscrolldown(int x1, int y1, int x2, int y2, int count);
+
+/* screen clear */
+
+void _far VIOclear(int x1, int y1, int x2, int y2);
+
+/* write to screen */
+
+void _far VIOputc(const char c);
+void _far VIOputs(const char far * s);
+void _far VIOputr(int x, int y, int w, int h, int _far * b);
+
+/* read from screen */
+
+int _far VIOgetca(const int x, const int y);
+int _far * _far VIOgetra(int x1, int y1, int x2, int y2, int _far * b);
+
+/* set colors */
+
+void _far VIOsetfore(const int c);
+void _far VIOsetback(const int c);
+
+/* get current color settings */
+
+int  _far VIOgetfore(void);
+int  _far VIOgetback(void);
+
+/* set the write cursor */
+
+void _far VIOgotoxy(int x, int y);
+
+/* update the screen and visible cursor */
+
+void _far VIOupdate();
+
+/* get the current write cursor position */
+
+int  _far VIOwherex(void);
+int  _far VIOwherey(void);
+
+/* get screen information */
+
+unsigned int  _far VIOsegment(void);
+
+int  _far VIOcolumns(void);
+int  _far VIOrows(void);
+int  _far VIOmode(void);
+int  _far VIOheight(void);
+
+/* set segment information */
+
+void _far VIOsetSegment(unsigned int s);
+void _far VIOsetRows(int r);
+void _far VIOsetCols(int c);
+
+/* get BIOS cursor location */
+
+void _far VIOcursor(int _far * x, int _far * y, int _far * shape);
+
+#if __cplusplus
+} ;
+#endif
+
+#endif