1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
/*
* vicii-sprites.h - Sprites for the MOS 6569 (VIC-II) emulation.
*
* Written by
* Ettore Perazzoli <ettore@comm2000.it>
* Andreas Boose <viceteam@t-online.de>
*
* This file is part of VICE, the Versatile Commodore Emulator.
* See README for copyright notice.
*
* 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 _VICII_SPRITES_H
#define _VICII_SPRITES_H
/* This defines the stolen sprite cycles for all the values of `dma_msk'. */
/* The table derives from what Christian Bauer <bauec002@physik.uni-mainz.de>
says in both the "VIC-Article" and Frodo's `VIC_SC.cpp' source file. */
struct vicii_sprites_fetch_s
{
int cycle, num;
unsigned int first, last;
};
typedef struct vicii_sprites_fetch_s vicii_sprites_fetch_t;
extern const vicii_sprites_fetch_t vicii_sprites_fetch_table[256][4];
extern const int vicii_sprites_crunch_table[64];
extern void vicii_sprites_init(void);
extern void vicii_sprites_shutdown(void);
extern void vicii_sprites_set_x_position(unsigned int num,
int new_x, int raster_x);
extern void vicii_sprites_reset_sprline(void);
extern void vicii_sprites_init_sprline(void);
extern void vicii_sprites_reset_xshift(void);
extern int vicii_sprite_offset(void);
#endif
|