integrated the xlimited source file

scrolling_tricks/global_defs.h

@@ -0,0 +1,41 @@
+#pragma once
+#ifndef __GLOBAL_DEFS_H__
+#define __GLOBAL_DEFS_H__
+
+#define ARG_TEMPLATE "SPEED/S,NTSC/S,HOW/S,SKY/S,FMODE/N/K"
+#define ARG_SPEED 0
+#define ARG_NTSC  1
+#define ARG_HOW   2
+#define ARG_SKY   3
+#define ARG_FMODE 4
+#define NUM_ARGS  5
+
+#define MAPNAME		"maps/large.raw"
+#define BLOCKSNAME	"blocks/demoblocks.raw"
+
+#define SCREENWIDTH  320
+#define SCREENHEIGHT 256
+#define EXTRAWIDTH 32
+#define SCREENBYTESPERROW (SCREENWIDTH / 8)
+
+#define BITMAPHEIGHT SCREENHEIGHT
+
+#define BLOCKSWIDTH 320
+#define BLOCKSHEIGHT 256
+#define BLOCKSDEPTH 4
+
+#define BLOCKSCOLORS (1L << BLOCKSDEPTH)
+
+#define BLOCKWIDTH 16
+#define BLOCKHEIGHT 16
+#define BLOCKSBYTESPERROW (BLOCKSWIDTH / 8)
+#define BLOCKSPERROW (BLOCKSWIDTH / BLOCKWIDTH)
+
+#define NUMSTEPS BLOCKWIDTH
+
+#define DIWSTART 0x2981
+#define DIWSTOP  0x29C1
+
+#define PALSIZE (BLOCKSCOLORS * 2)
+
+#endif /* __GLOBAL_DEFS_H__ */