/*
Copyright (C) 2003 Rice1964

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.

*/

#ifndef _UCODE_DEFS_H_
#define _UCODE_DEFS_H_

typedef struct {
	union {
		unsigned int w0;
		struct {
			unsigned int arg0:24;
			unsigned int cmd:8;
		};
	};
	unsigned int w1;
} Gwords;

typedef struct {
	unsigned int w0;
	unsigned int v2:8;
	unsigned int v1:8;
	unsigned int v0:8;
	unsigned int flag:8;
} GGBI0_Tri1;

typedef struct {
	unsigned int v0:8;
	unsigned int v1:8;
	unsigned int v2:8;
	unsigned int cmd:8;
	unsigned int pad:24;
	unsigned int flag:8;
} GGBI2_Tri1;

typedef struct {
	unsigned int :1;
	unsigned int v3:7;
	unsigned int :1;
	unsigned int v4:7;
	unsigned int :1;
	unsigned int v5:7;
	unsigned int cmd:8;
	unsigned int :1;
	unsigned int v0:7;
	unsigned int :1;
	unsigned int v1:7;
	unsigned int :1;
	unsigned int v2:7;
	unsigned int flag:8;
} GGBI2_Tri2;

typedef struct {
	unsigned int w0;
	unsigned int v2:8;
	unsigned int v1:8;
	unsigned int v0:8;
	unsigned int v3:8;
} GGBI0_Ln3DTri2;

typedef struct {
	unsigned int v5:8;
	unsigned int v4:8;
	unsigned int v3:8;
	unsigned int cmd:8;

	unsigned int v2:8;
	unsigned int v1:8;
	unsigned int v0:8;
	unsigned int flag:8;
} GGBI1_Tri2;

typedef struct {
	unsigned int v3:8;
	unsigned int v4:8;
	unsigned int v5:8;
	unsigned int cmd:8;

	unsigned int v0:8;
	unsigned int v1:8;
	unsigned int v2:8;
	unsigned int flag:8;
} GGBI2_Line3D;

typedef struct {
	unsigned int len:16;
	unsigned int v0:4;
	unsigned int n:4;
	unsigned int cmd:8;
	unsigned int addr;
} GGBI0_Vtx;

typedef struct {
	unsigned int len:10;
	unsigned int n:6;
	unsigned int :1;
	unsigned int v0:7;
	unsigned int cmd:8;
	unsigned int addr;
} GGBI1_Vtx;

typedef struct {
	unsigned int vend:8;
	unsigned int :4;
	unsigned int n:8;
	unsigned int :4;
	unsigned int cmd:8;
	unsigned int addr;
} GGBI2_Vtx;

typedef struct {
	unsigned int    width:12;
	unsigned int    :7;
	unsigned int    siz:2;
	unsigned int    fmt:3;
	unsigned int	cmd:8;
	unsigned int    addr;
} GSetImg;

typedef struct {
	unsigned int	prim_level:8;
	unsigned int	prim_min_level:8;
	unsigned int	pad:8;
	unsigned int	cmd:8;

	union {
		unsigned int	color;
		struct {
			unsigned int fillcolor:16;
			unsigned int fillcolor2:16;
		};
		struct {
			unsigned int a:8;
			unsigned int b:8;
			unsigned int g:8;
			unsigned int r:8;
		};
	};
} GSetColor;

typedef struct {
	unsigned int	:16;
	unsigned int	param:8;
	unsigned int	cmd:8;
	unsigned int    addr;
} GGBI0_Dlist;

typedef struct {
	unsigned int	len:16;
	unsigned int	projection:1;
	unsigned int	load:1;
	unsigned int	push:1;
	unsigned int	:5;
	unsigned int	cmd:8;
	unsigned int    addr;
} GGBI0_Matrix;

typedef struct {
	unsigned int	:24;
	unsigned int	cmd:8;
	unsigned int	projection:1;
	unsigned int	:31;
} GGBI0_PopMatrix;

typedef struct {
	union {
		struct {
			unsigned int	param:8;
			unsigned int	len:16;
			unsigned int	cmd:8;
		};
		struct {
			unsigned int	nopush:1;
			unsigned int	load:1;
			unsigned int	projection:1;
			unsigned int	:5;
			unsigned int	len2:16;
			unsigned int	cmd2:8;
		};
	};
	unsigned int    addr;
} GGBI2_Matrix;

typedef struct {
	unsigned int	type:8;
	unsigned int	offset:16;
	unsigned int	cmd:8;
	unsigned int	value;
} GGBI0_MoveWord;

typedef struct {
	unsigned int	offset:16;
	unsigned int	type:8;
	unsigned int	cmd:8;
	unsigned int	value;
} GGBI2_MoveWord;

typedef struct {
	unsigned int	enable_gbi0:1;
	unsigned int	enable_gbi2:1;
	unsigned int	:6;
	unsigned int	tile:3;
	unsigned int	level:3;
	unsigned int	:10;
	unsigned int	cmd:8;
	unsigned int	scaleT:16;
	unsigned int	scaleS:16;
} GTexture;

typedef struct {
	unsigned int	tl:12;
	unsigned int	sl:12;
	unsigned int	cmd:8;

	unsigned int	th:12;
	unsigned int	sh:12;
	unsigned int	tile:3;
	unsigned int	pad:5;
} Gloadtile;

typedef struct {
	unsigned int	tmem:9;
	unsigned int	line:9;
	unsigned int	pad0:1;
	unsigned int	siz:2;
	unsigned int	fmt:3;
	unsigned int	cmd:8;

	unsigned int	shifts:4;
	unsigned int	masks:4;
	unsigned int	ms:1;
	unsigned int	cs:1;
	unsigned int	shiftt:4;
	unsigned int	maskt:4;
	unsigned int	mt:1;
	unsigned int	ct:1;
	unsigned int	palette:4;
	unsigned int	tile:3;
	unsigned int	pad1:5;
} Gsettile;

typedef union {
	Gwords			words;
	GGBI0_Tri1		tri1;
	GGBI0_Ln3DTri2	ln3dtri2;
	GGBI1_Tri2		gbi1tri2;
	GGBI2_Tri1		gbi2tri1;
	GGBI2_Tri2		gbi2tri2;
	GGBI2_Line3D	gbi2line3d;
	GGBI0_Vtx		gbi0vtx;
	GGBI1_Vtx		gbi1vtx;
	GGBI2_Vtx		gbi2vtx;
	GSetImg			setimg;
	GSetColor		setcolor;
	GGBI0_Dlist		gbi0dlist;
	GGBI0_Matrix	gbi0matrix;
	GGBI0_PopMatrix	gbi0popmatrix;
	GGBI2_Matrix	gbi2matrix;
	GGBI0_MoveWord	gbi0moveword;
	GGBI2_MoveWord	gbi2moveword;
	GTexture		texture;
	Gloadtile		loadtile;
	Gsettile		settile;
	/*
	Gdma		dma;
	Gsegment	segment;
	GsetothermodeH	setothermodeH;
	GsetothermodeL	setothermodeL;
	Gtexture	texture;
	Gperspnorm	perspnorm;
	Gsetcombine	setcombine;
	Gfillrect	fillrect;
	Gsettile	settile;
	Gloadtile	loadtile;
	Gsettilesize	settilesize;
	Gloadtlut	loadtlut;
	*/
	long long int	force_structure_alignment;
} Gfx;

typedef union {
	struct {
		unsigned int	w0;
		unsigned int	w1;
		unsigned int	w2;
		unsigned int	w3;
	};
	struct {
		unsigned int	yl:12;	/* Y coordinate of upper left	*/
		unsigned int	xl:12;	/* X coordinate of upper left	*/
		unsigned int	cmd:8;	/* command			*/

		unsigned int	yh:12;	/* Y coordinate of lower right	*/
		unsigned int	xh:12;	/* X coordinate of lower right	*/
		unsigned int	tile:3;	/* Tile descriptor index	*/
		unsigned int	pad1:5;	/* Padding			*/

		unsigned int	t:16;	/* T texture coord at top left	*/
		unsigned int	s:16;	/* S texture coord at top left	*/

		unsigned int	dtdy:16;/* Change in T per change in Y	*/
		unsigned int	dsdx:16;/* Change in S per change in X	*/
	};
} Gtexrect;

#endif
