From c0d2eccf48db0bf9e3cd4765a0889c2d65178f17 Mon Sep 17 00:00:00 2001
From: Kelvin Sherlock <ksherlock@gmail.com>
Date: Sun, 18 Dec 2016 00:44:12 -0500
Subject: [PATCH] headless driver.  Does not implement any i/o whatsoever. 
 Possibly useful for running gno/me or proline in the background.

---
 src/headless_driver.c | 103 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 src/headless_driver.c

diff --git a/src/headless_driver.c b/src/headless_driver.c
new file mode 100644
index 0000000..3ec37ba
--- /dev/null
+++ b/src/headless_driver.c
@@ -0,0 +1,103 @@
+/*
+ GSPLUS - Advanced Apple IIGS Emulator Environment
+
+ 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 2 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, write to the Free Software Foundation, Inc.,
+ 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+
+#include "defc.h"
+#include "glog.h"
+
+int
+main(int argc, char **argv)
+{
+	return gsplusmain(argc, argv);
+}
+
+int g_screen_mdepth = 0;
+int g_screenshot_requested = 0;
+int g_use_shmem = 0;
+
+extern int g_screen_depth;
+extern word32 g_palette_8to1624[256];
+extern word32 g_a2palette_8to1624[256];
+extern Kimage g_mainwin_kimage;
+extern int g_lores_colors[];
+
+void check_input_events() {}
+
+int clipboard_get_char() { return 0; }
+
+void clipboard_paste(void) { }
+
+void dev_video_init() { 
+
+	g_screen_depth = 24;
+	g_screen_mdepth = 32;
+	video_get_kimages();
+	video_get_kimage(&g_mainwin_kimage, 0, g_screen_depth, g_screen_mdepth);
+
+	for(int i = 0; i < 256; i++) {
+		word32 lores_col = g_lores_colors[i & 0xf];
+		video_update_color_raw(i, lores_col);
+		g_a2palette_8to1624[i] = g_palette_8to1624[i];
+	}
+
+
+}
+
+void x_dialog_create_gsport_conf(const char *str) { }
+
+
+int x_show_alert(int is_fatal, const char *str) { return 0; }
+
+void get_ximage(Kimage *kimage_ptr) { }
+void x_toggle_status_lines() { }
+void x_redraw_status_lines() { }
+void x_hide_pointer(int do_hide) { }
+void x_auto_repeat_on(int must) { }
+void x_auto_repeat_off(int must) { }
+void x_release_kimage(Kimage* kimage_ptr) { }
+int x_calc_ratio(float x,float y) { return 1; }
+
+
+void x_set_mask_and_shift(word32 x_mask, word32 *mask_ptr, int *shift_left_ptr, int *shift_right_ptr) { }
+void x_update_color(int col_num, int red, int green, int blue, word32 rgb) { }
+void x_update_physical_colormap() { }
+void show_xcolor_array() { }
+void xdriver_end() { }
+void x_push_done() { }
+
+void x_full_screen(int do_full) { }
+
+void
+x_get_kimage(Kimage *kimage_ptr) {
+			byte *data;
+			int	width;
+			int	height;
+			int	depth;
+
+			width = kimage_ptr->width_req;
+			height = kimage_ptr->height;
+			depth = kimage_ptr->depth;
+			data = malloc(width*height*(depth/4));
+			kimage_ptr->data_ptr = data;
+}
+
+void
+x_push_kimage(Kimage *kimage_ptr, int destx, int desty, int srcx, int srcy, int width, int height)
+{
+}
+