1 files changed, 74 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/gpxe/src/hci/mucurses/ansi_screen.c b/contrib/syslinux-4.02/gpxe/src/hci/mucurses/ansi_screen.c
new file mode 100644
index 0000000..51fc7c9
--- /dev/null
+++ b/contrib/syslinux-4.02/gpxe/src/hci/mucurses/ansi_screen.c
@@ -0,0 +1,74 @@
+#include <stdio.h>
+#include <curses.h>
+#include <console.h>
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+static void ansiscr_reset(struct _curses_screen *scr) __nonnull;
+static void ansiscr_movetoyx(struct _curses_screen *scr,
+                               unsigned int y, unsigned int x) __nonnull;
+static void ansiscr_putc(struct _curses_screen *scr, chtype c) __nonnull;
+
+unsigned short _COLS = 80;
+unsigned short _LINES = 24;
+
+static void ansiscr_reset ( struct _curses_screen *scr ) {
+	/* Reset terminal attributes and clear screen */
+	scr->attrs = 0;
+	scr->curs_x = 0;
+	scr->curs_y = 0;
+	printf ( "\033[0m" );
+}
+
+static void ansiscr_movetoyx ( struct _curses_screen *scr,
+			       unsigned int y, unsigned int x ) {
+	if ( ( x != scr->curs_x ) || ( y != scr->curs_y ) ) {
+		/* ANSI escape sequence to update cursor position */
+		printf ( "\033[%d;%dH", ( y + 1 ), ( x + 1 ) );
+		scr->curs_x = x;
+		scr->curs_y = y;
+	}
+}
+
+static void ansiscr_putc ( struct _curses_screen *scr, chtype c ) {
+	unsigned int character = ( c & A_CHARTEXT );
+	attr_t attrs = ( c & ( A_ATTRIBUTES | A_COLOR ) );
+	int bold = ( attrs & A_BOLD );
+	attr_t cpair = PAIR_NUMBER ( attrs );
+	short fcol;
+	short bcol;
+
+	/* Update attributes if changed */
+	if ( attrs != scr->attrs ) {
+		scr->attrs = attrs;
+		pair_content ( cpair, &fcol, &bcol );
+		/* ANSI escape sequence to update character attributes */
+		printf ( "\033[0;%d;3%d;4%dm", ( bold ? 1 : 22 ), fcol, bcol );
+	}
+
+	/* Print the actual character */
+	putchar ( character );
+
+	/* Update expected cursor position */
+	if ( ++(scr->curs_x) == _COLS ) {
+		scr->curs_x = 0;
+		++scr->curs_y;
+	}
+}
+
+static int ansiscr_getc ( struct _curses_screen *scr __unused ) {
+	return getchar();
+}
+
+static bool ansiscr_peek ( struct _curses_screen *scr __unused ) {
+	return iskey();
+}
+
+SCREEN _ansi_screen = {
+	.init		= ansiscr_reset,
+	.exit		= ansiscr_reset,
+	.movetoyx	= ansiscr_movetoyx,
+	.putc		= ansiscr_putc,
+	.getc		= ansiscr_getc,
+	.peek		= ansiscr_peek,
+};