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Diffstat (limited to 'contrib/syslinux-4.02/com32/cmenu/libmenu/com32io.c')
-rw-r--r--contrib/syslinux-4.02/com32/cmenu/libmenu/com32io.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/com32/cmenu/libmenu/com32io.c b/contrib/syslinux-4.02/com32/cmenu/libmenu/com32io.c
new file mode 100644
index 0000000..8e5016b
--- /dev/null
+++ b/contrib/syslinux-4.02/com32/cmenu/libmenu/com32io.c
@@ -0,0 +1,72 @@
+/* -*- c -*- ------------------------------------------------------------- *
+ *
+ * Copyright 2004-2005 Murali Krishnan Ganapathy - All Rights Reserved
+ *
+ * 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, Inc., 53 Temple Place Ste 330,
+ * Boston MA 02111-1307, USA; either version 2 of the License, or
+ * (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+#include <string.h>
+#include <com32.h>
+#include "com32io.h"
+#include "tui.h"
+#include "syslnx.h"
+
+com32sys_t inreg, outreg; // Global register sets for use
+
+void getpos(char *row, char *col, char page)
+{
+ REG_AH(inreg) = 0x03;
+ REG_BH(inreg) = page;
+ __intcall(0x10, &inreg, &outreg);
+ *row = REG_DH(outreg);
+ *col = REG_DL(outreg);
+}
+
+char inputc(char *scancode)
+{
+ syslinux_idle(); /* So syslinux can perform periodic activity */
+ REG_AH(inreg) = 0x10;
+ __intcall(0x16, &inreg, &outreg);
+ if (scancode)
+ *scancode = REG_AH(outreg);
+ return REG_AL(outreg);
+}
+
+void getcursorshape(char *start, char *end)
+{
+ char page = 0; // XXX TODO
+ REG_AH(inreg) = 0x03;
+ REG_BH(inreg) = page;
+ __intcall(0x10, &inreg, &outreg);
+ *start = REG_CH(outreg);
+ *end = REG_CL(outreg);
+}
+
+void setcursorshape(char start, char end)
+{
+ REG_AH(inreg) = 0x01;
+ REG_CH(inreg) = start;
+ REG_CL(inreg) = end;
+ __intcall(0x10, &inreg, &outreg);
+}
+
+void setvideomode(char mode)
+{
+ REG_AH(inreg) = 0x00;
+ REG_AL(inreg) = mode;
+ __intcall(0x10, &inreg, &outreg);
+}
+
+// Get char displayed at current position
+unsigned char getcharat(char page)
+{
+ REG_AH(inreg) = 0x08;
+ REG_BH(inreg) = page;
+ __intcall(0x16, &inreg, &outreg);
+ return REG_AL(outreg);
+}