initial commit!

libs/libgccvb/object.h

@@ -0,0 +1,48 @@
+#ifndef _LIBGCCVB_OBJECT_H
+#define _LIBGCCVB_OBJECT_H
+
+
+#include "types.h"
+#include "video.h"
+
+/***** Object Manipulation Macros *****/
+
+#define	OBJ_XSET(n,x)		OAM[ (n) << 2]      = (x)
+#define	OBJ_YSET(n,y)		OAM[((n) << 2) + 2] = (y)
+#define OBJ_PSET(n,p)		OAM[((n) << 2) + 1] = (OAM[((n) << 2) + 1] & 0xC000) | ((u16)(p) & 0x3FFF)
+#define	OBJ_CSET(n,c)		OAM[((n) << 2) + 3] = (OAM[((n) << 2) + 3] & 0xF000) | ((u16)(c) & 0x07FF)
+#define	OBJ_HSET(n,h)		OAM[((n) << 2) + 3] = (OAM[((n) << 2) + 3] & 0xDFFF) | (((u16)(h) << 13) & 0x2000)
+#define	OBJ_VSET(n,v)		OAM[((n) << 2) + 3] = (OAM[((n) << 2) + 3] & 0xEFFF) | (((u16)(v) << 12) & 0x1000)
+#define OBJ_PALSET(n,pal)	OAM[((n) << 2) + 3] = (((pal) << 14) & 0xC000) | (OAM[((n) << 2) + 3] & 0x3FFF)
+#define OBJ_VIS(n,v)		OAM[((n) << 2) + 1] = (((v) << 14) & 0xC000) | (OAM[((n) << 2) + 1] & 0x3FFF)
+
+/***** Object Functions *****/
+
+// (Obsoleted by the OBJ_* macros...)
+void vbSetObject (u16 n, u8 header, s16 x, s16 p, s16 y, u16 chr);
+
+// Object attributes
+#define	JX			0				// Display pointer X
+#define	JP			2				// Paralax
+#define	JY			4				// Display pointer Y
+#define	JCA			6				// Character No.
+
+/***** "vbSetObject" header flags *****/	
+// (OR these together to build an Object Header)
+#define	JLON		0x8000
+#define	JRON		0x4000
+
+#define	OBJ_ON		0x00C0
+#define	OBJ_LON		0x0080
+#define	OBJ_RON		0x0040
+
+#define	OBJ_PAL0	0x0000
+#define	OBJ_PAL1	0x0010
+#define	OBJ_PAL2	0x0020
+#define	OBJ_PAL3	0x0030
+
+#define	OBJ_HFLIP	0x0008
+#define	OBJ_VFLIP	0x0004
+
+
+#endif