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snes9xgx/source/snes9x/c4emu.cpp

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upgrade core to 1.52
2010-01-27 23:08:56 +01:00
/***********************************************************************************
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
(c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com),
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
Jerremy Koot (jkoot@snes9x.com)
(c) Copyright 2002 - 2004 Matthew Kendora
(c) Copyright 2002 - 2005 Peter Bortas (peter@bortas.org)
(c) Copyright 2004 - 2005 Joel Yliluoma (http://iki.fi/bisqwit/)
(c) Copyright 2001 - 2006 John Weidman (jweidman@slip.net)
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
(c) Copyright 2002 - 2006 funkyass (funkyass@spam.shaw.ca),
Kris Bleakley (codeviolation@hotmail.com)
upgrade core to 1.52
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(c) Copyright 2002 - 2010 Brad Jorsch (anomie@users.sourceforge.net),
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
Nach (n-a-c-h@users.sourceforge.net),
upgrade core to 1.57
2018-11-12 02:31:52 +01:00
(c) Copyright 2002 - 2011 zones (kasumitokoduck@yahoo.com)
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
(c) Copyright 2006 - 2007 nitsuja
upgrade core to 1.57
2018-11-12 02:31:52 +01:00
(c) Copyright 2009 - 2018 BearOso,
upgrade core to 1.52
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OV2
upgrade core to 1.57
2018-11-12 02:31:52 +01:00
(c) Copyright 2017 qwertymodo
(c) Copyright 2011 - 2017 Hans-Kristian Arntzen,
Daniel De Matteis
(Under no circumstances will commercial rights be given)
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
BS-X C emulator code
(c) Copyright 2005 - 2006 Dreamer Nom,
zones
C4 x86 assembler and some C emulation code
(c) Copyright 2000 - 2003 _Demo_ (_demo_@zsnes.com),
Nach,
zsKnight (zsknight@zsnes.com)
C4 C++ code
(c) Copyright 2003 - 2006 Brad Jorsch,
Nach
DSP-1 emulator code
(c) Copyright 1998 - 2006 _Demo_,
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
Andreas Naive (andreasnaive@gmail.com),
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
Gary Henderson,
Ivar (ivar@snes9x.com),
John Weidman,
Kris Bleakley,
Matthew Kendora,
Nach,
neviksti (neviksti@hotmail.com)
DSP-2 emulator code
(c) Copyright 2003 John Weidman,
Kris Bleakley,
Lord Nightmare (lord_nightmare@users.sourceforge.net),
Matthew Kendora,
neviksti
DSP-3 emulator code
(c) Copyright 2003 - 2006 John Weidman,
Kris Bleakley,
Lancer,
z80 gaiden
DSP-4 emulator code
(c) Copyright 2004 - 2006 Dreamer Nom,
John Weidman,
Kris Bleakley,
Nach,
z80 gaiden
OBC1 emulator code
(c) Copyright 2001 - 2004 zsKnight,
pagefault (pagefault@zsnes.com),
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
Kris Bleakley
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
Ported from x86 assembler to C by sanmaiwashi
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
SPC7110 and RTC C++ emulator code used in 1.39-1.51
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
(c) Copyright 2002 Matthew Kendora with research by
zsKnight,
John Weidman,
Dark Force
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
SPC7110 and RTC C++ emulator code used in 1.52+
(c) Copyright 2009 byuu,
neviksti
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
S-DD1 C emulator code
(c) Copyright 2003 Brad Jorsch with research by
Andreas Naive,
John Weidman
S-RTC C emulator code
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
(c) Copyright 2001 - 2006 byuu,
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
John Weidman
ST010 C++ emulator code
(c) Copyright 2003 Feather,
John Weidman,
Kris Bleakley,
Matthew Kendora
Super FX x86 assembler emulator code
(c) Copyright 1998 - 2003 _Demo_,
pagefault,
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
zsKnight
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
Super FX C emulator code
(c) Copyright 1997 - 1999 Ivar,
Gary Henderson,
John Weidman
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
Sound emulator code used in 1.5-1.51
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
(c) Copyright 1998 - 2003 Brad Martin
(c) Copyright 1998 - 2006 Charles Bilyue'
upgrade core to 1.52
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Sound emulator code used in 1.52+
(c) Copyright 2004 - 2007 Shay Green (gblargg@gmail.com)
upgrade core to 1.57
2018-11-12 02:31:52 +01:00
S-SMP emulator code used in 1.54+
(c) Copyright 2016 byuu
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
SH assembler code partly based on x86 assembler code
(c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se)
2xSaI filter
(c) Copyright 1999 - 2001 Derek Liauw Kie Fa
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
HQ2x, HQ3x, HQ4x filters
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
(c) Copyright 2003 Maxim Stepin (maxim@hiend3d.com)
upgrade core to 1.52
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NTSC filter
(c) Copyright 2006 - 2007 Shay Green
GTK+ GUI code
upgrade core to 1.57
2018-11-12 02:31:52 +01:00
(c) Copyright 2004 - 2018 BearOso
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
Win32 GUI code
(c) Copyright 2003 - 2006 blip,
funkyass,
Matthew Kendora,
Nach,
nitsuja
upgrade core to 1.57
2018-11-12 02:31:52 +01:00
(c) Copyright 2009 - 2018 OV2
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
Mac OS GUI code
(c) Copyright 1998 - 2001 John Stiles
upgrade core to 1.57
2018-11-12 02:31:52 +01:00
(c) Copyright 2001 - 2011 zones
Libretro port
(c) Copyright 2011 - 2017 Hans-Kristian Arntzen,
Daniel De Matteis
(Under no circumstances will commercial rights be given)
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
Specific ports contains the works of other authors. See headers in
individual files.
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
Snes9x homepage: http://www.snes9x.com/
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
Permission to use, copy, modify and/or distribute Snes9x in both binary
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
and source form, for non-commercial purposes, is hereby granted without
fee, providing that this license information and copyright notice appear
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
with all copies and any derived work.
This software is provided 'as-is', without any express or implied
warranty. In no event shall the authors be held liable for any damages
arising from the use of this software or it's derivatives.
Snes9x is freeware for PERSONAL USE only. Commercial users should
seek permission of the copyright holders first. Commercial use includes,
but is not limited to, charging money for Snes9x or software derived from
Snes9x, including Snes9x or derivatives in commercial game bundles, and/or
using Snes9x as a promotion for your commercial product.
The copyright holders request that bug fixes and improvements to the code
should be forwarded to them so everyone can benefit from the modifications
in future versions.
Super NES and Super Nintendo Entertainment System are trademarks of
Nintendo Co., Limited and its subsidiary companies.
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
***********************************************************************************/
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
#include <math.h>
#include "snes9x.h"
revert trunk
2009-11-30 09:14:38 +01:00
#include "memmap.h"
upgrade core to 1.52
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#include "sar.h"
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
upgrade core to 1.52
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static int16 C4SinTable[512] =
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
{
upgrade core to 1.52
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0, 402, 804, 1206, 1607, 2009, 2410, 2811,
3211, 3611, 4011, 4409, 4808, 5205, 5602, 5997,
6392, 6786, 7179, 7571, 7961, 8351, 8739, 9126,
9512, 9896, 10278, 10659, 11039, 11416, 11793, 12167,
12539, 12910, 13278, 13645, 14010, 14372, 14732, 15090,
15446, 15800, 16151, 16499, 16846, 17189, 17530, 17869,
18204, 18537, 18868, 19195, 19519, 19841, 20159, 20475,
20787, 21097, 21403, 21706, 22005, 22301, 22594, 22884,
23170, 23453, 23732, 24007, 24279, 24547, 24812, 25073,
25330, 25583, 25832, 26077, 26319, 26557, 26790, 27020,
27245, 27466, 27684, 27897, 28106, 28310, 28511, 28707,
28898, 29086, 29269, 29447, 29621, 29791, 29956, 30117,
30273, 30425, 30572, 30714, 30852, 30985, 31114, 31237,
31357, 31471, 31581, 31685, 31785, 31881, 31971, 32057,
32138, 32214, 32285, 32351, 32413, 32469, 32521, 32568,
32610, 32647, 32679, 32706, 32728, 32745, 32758, 32765,
32767, 32765, 32758, 32745, 32728, 32706, 32679, 32647,
32610, 32568, 32521, 32469, 32413, 32351, 32285, 32214,
32138, 32057, 31971, 31881, 31785, 31685, 31581, 31471,
31357, 31237, 31114, 30985, 30852, 30714, 30572, 30425,
30273, 30117, 29956, 29791, 29621, 29447, 29269, 29086,
28898, 28707, 28511, 28310, 28106, 27897, 27684, 27466,
27245, 27020, 26790, 26557, 26319, 26077, 25832, 25583,
25330, 25073, 24812, 24547, 24279, 24007, 23732, 23453,
23170, 22884, 22594, 22301, 22005, 21706, 21403, 21097,
20787, 20475, 20159, 19841, 19519, 19195, 18868, 18537,
18204, 17869, 17530, 17189, 16846, 16499, 16151, 15800,
15446, 15090, 14732, 14372, 14010, 13645, 13278, 12910,
12539, 12167, 11793, 11416, 11039, 10659, 10278, 9896,
9512, 9126, 8739, 8351, 7961, 7571, 7179, 6786,
6392, 5997, 5602, 5205, 4808, 4409, 4011, 3611,
3211, 2811, 2410, 2009, 1607, 1206, 804, 402,
0, -402, -804, -1206, -1607, -2009, -2410, -2811,
-3211, -3611, -4011, -4409, -4808, -5205, -5602, -5997,
-6392, -6786, -7179, -7571, -7961, -8351, -8739, -9126,
-9512, -9896, -10278, -10659, -11039, -11416, -11793, -12167,
-12539, -12910, -13278, -13645, -14010, -14372, -14732, -15090,
-15446, -15800, -16151, -16499, -16846, -17189, -17530, -17869,
-18204, -18537, -18868, -19195, -19519, -19841, -20159, -20475,
-20787, -21097, -21403, -21706, -22005, -22301, -22594, -22884,
-23170, -23453, -23732, -24007, -24279, -24547, -24812, -25073,
-25330, -25583, -25832, -26077, -26319, -26557, -26790, -27020,
-27245, -27466, -27684, -27897, -28106, -28310, -28511, -28707,
-28898, -29086, -29269, -29447, -29621, -29791, -29956, -30117,
-30273, -30425, -30572, -30714, -30852, -30985, -31114, -31237,
-31357, -31471, -31581, -31685, -31785, -31881, -31971, -32057,
-32138, -32214, -32285, -32351, -32413, -32469, -32521, -32568,
-32610, -32647, -32679, -32706, -32728, -32745, -32758, -32765,
-32767, -32765, -32758, -32745, -32728, -32706, -32679, -32647,
-32610, -32568, -32521, -32469, -32413, -32351, -32285, -32214,
-32138, -32057, -31971, -31881, -31785, -31685, -31581, -31471,
-31357, -31237, -31114, -30985, -30852, -30714, -30572, -30425,
-30273, -30117, -29956, -29791, -29621, -29447, -29269, -29086,
-28898, -28707, -28511, -28310, -28106, -27897, -27684, -27466,
-27245, -27020, -26790, -26557, -26319, -26077, -25832, -25583,
-25330, -25073, -24812, -24547, -24279, -24007, -23732, -23453,
-23170, -22884, -22594, -22301, -22005, -21706, -21403, -21097,
-20787, -20475, -20159, -19841, -19519, -19195, -18868, -18537,
-18204, -17869, -17530, -17189, -16846, -16499, -16151, -15800,
-15446, -15090, -14732, -14372, -14010, -13645, -13278, -12910,
-12539, -12167, -11793, -11416, -11039, -10659, -10278, -9896,
-9512, -9126, -8739, -8351, -7961, -7571, -7179, -6786,
-6392, -5997, -5602, -5205, -4808, -4409, -4011, -3611,
-3211, -2811, -2410, -2009, -1607, -1206, -804, -402
};
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
static int16 C4CosTable[512] =
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
{
upgrade core to 1.52
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32767, 32765, 32758, 32745, 32728, 32706, 32679, 32647,
32610, 32568, 32521, 32469, 32413, 32351, 32285, 32214,
32138, 32057, 31971, 31881, 31785, 31685, 31581, 31471,
31357, 31237, 31114, 30985, 30852, 30714, 30572, 30425,
30273, 30117, 29956, 29791, 29621, 29447, 29269, 29086,
28898, 28707, 28511, 28310, 28106, 27897, 27684, 27466,
27245, 27020, 26790, 26557, 26319, 26077, 25832, 25583,
25330, 25073, 24812, 24547, 24279, 24007, 23732, 23453,
23170, 22884, 22594, 22301, 22005, 21706, 21403, 21097,
20787, 20475, 20159, 19841, 19519, 19195, 18868, 18537,
18204, 17869, 17530, 17189, 16846, 16499, 16151, 15800,
15446, 15090, 14732, 14372, 14010, 13645, 13278, 12910,
12539, 12167, 11793, 11416, 11039, 10659, 10278, 9896,
9512, 9126, 8739, 8351, 7961, 7571, 7179, 6786,
6392, 5997, 5602, 5205, 4808, 4409, 4011, 3611,
3211, 2811, 2410, 2009, 1607, 1206, 804, 402,
0, -402, -804, -1206, -1607, -2009, -2410, -2811,
-3211, -3611, -4011, -4409, -4808, -5205, -5602, -5997,
-6392, -6786, -7179, -7571, -7961, -8351, -8739, -9126,
-9512, -9896, -10278, -10659, -11039, -11416, -11793, -12167,
-12539, -12910, -13278, -13645, -14010, -14372, -14732, -15090,
-15446, -15800, -16151, -16499, -16846, -17189, -17530, -17869,
-18204, -18537, -18868, -19195, -19519, -19841, -20159, -20475,
-20787, -21097, -21403, -21706, -22005, -22301, -22594, -22884,
-23170, -23453, -23732, -24007, -24279, -24547, -24812, -25073,
-25330, -25583, -25832, -26077, -26319, -26557, -26790, -27020,
-27245, -27466, -27684, -27897, -28106, -28310, -28511, -28707,
-28898, -29086, -29269, -29447, -29621, -29791, -29956, -30117,
-30273, -30425, -30572, -30714, -30852, -30985, -31114, -31237,
-31357, -31471, -31581, -31685, -31785, -31881, -31971, -32057,
-32138, -32214, -32285, -32351, -32413, -32469, -32521, -32568,
-32610, -32647, -32679, -32706, -32728, -32745, -32758, -32765,
-32767, -32765, -32758, -32745, -32728, -32706, -32679, -32647,
-32610, -32568, -32521, -32469, -32413, -32351, -32285, -32214,
-32138, -32057, -31971, -31881, -31785, -31685, -31581, -31471,
-31357, -31237, -31114, -30985, -30852, -30714, -30572, -30425,
-30273, -30117, -29956, -29791, -29621, -29447, -29269, -29086,
-28898, -28707, -28511, -28310, -28106, -27897, -27684, -27466,
-27245, -27020, -26790, -26557, -26319, -26077, -25832, -25583,
-25330, -25073, -24812, -24547, -24279, -24007, -23732, -23453,
-23170, -22884, -22594, -22301, -22005, -21706, -21403, -21097,
-20787, -20475, -20159, -19841, -19519, -19195, -18868, -18537,
-18204, -17869, -17530, -17189, -16846, -16499, -16151, -15800,
-15446, -15090, -14732, -14372, -14010, -13645, -13278, -12910,
-12539, -12167, -11793, -11416, -11039, -10659, -10278, -9896,
-9512, -9126, -8739, -8351, -7961, -7571, -7179, -6786,
-6392, -5997, -5602, -5205, -4808, -4409, -4011, -3611,
-3211, -2811, -2410, -2009, -1607, -1206, -804, -402,
0, 402, 804, 1206, 1607, 2009, 2410, 2811,
3211, 3611, 4011, 4409, 4808, 5205, 5602, 5997,
6392, 6786, 7179, 7571, 7961, 8351, 8739, 9126,
9512, 9896, 10278, 10659, 11039, 11416, 11793, 12167,
12539, 12910, 13278, 13645, 14010, 14372, 14732, 15090,
15446, 15800, 16151, 16499, 16846, 17189, 17530, 17869,
18204, 18537, 18868, 19195, 19519, 19841, 20159, 20475,
20787, 21097, 21403, 21706, 22005, 22301, 22594, 22884,
23170, 23453, 23732, 24007, 24279, 24547, 24812, 25073,
25330, 25583, 25832, 26077, 26319, 26557, 26790, 27020,
27245, 27466, 27684, 27897, 28106, 28310, 28511, 28707,
28898, 29086, 29269, 29447, 29621, 29791, 29956, 30117,
30273, 30425, 30572, 30714, 30852, 30985, 31114, 31237,
31357, 31471, 31581, 31685, 31785, 31881, 31971, 32057,
32138, 32214, 32285, 32351, 32413, 32469, 32521, 32568,
32610, 32647, 32679, 32706, 32728, 32745, 32758, 32765
};
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
static uint8 C4TestPattern[12 * 4] =
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
{
upgrade core to 1.52
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0x00, 0x00, 0x00, 0xff,
0xff, 0xff, 0x00, 0xff,
0x00, 0x00, 0x00, 0xff,
0xff, 0xff, 0x00, 0x00,
0xff, 0xff, 0x00, 0x00,
0x80, 0xff, 0xff, 0x7f,
0x00, 0x80, 0x00, 0xff,
0x7f, 0x00, 0xff, 0x7f,
0xff, 0x7f, 0xff, 0xff,
0x00, 0x00, 0x01, 0xff,
0xff, 0xfe, 0x00, 0x01,
0x00, 0xff, 0xfe, 0x00
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
};
upgrade core to 1.52
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static void C4ConvOAM (void);
static void C4DoScaleRotate (int);
static void C4DrawLine (int32, int32, int16, int32, int32, int16, uint8);
static void C4DrawWireFrame (void);
static void C4TransformLines (void);
static void C4BitPlaneWave (void);
static void C4SprDisintegrate (void);
static void C4ProcessSprites (void);
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
static void C4ConvOAM (void)
{
uint8 *OAMptr = Memory.C4RAM + (Memory.C4RAM[0x626] << 2);
for (uint8 *i = Memory.C4RAM + 0x1fd; i > OAMptr; i -= 4)
*i = 0xe0; // Clear OAM-to-be
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
uint8 *OAMptr2;
uint16 globalX, globalY;
int16 SprX, SprY;
uint8 SprName, SprAttr;
uint8 SprCount;
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
globalX = READ_WORD(Memory.C4RAM + 0x0621);
globalY = READ_WORD(Memory.C4RAM + 0x0623);
OAMptr2 = Memory.C4RAM + 0x200 + (Memory.C4RAM[0x626] >> 2);
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
revert trunk
2009-11-30 09:14:38 +01:00
#ifdef DEBUGGER
upgrade core to 1.52
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if (Memory.C4RAM[0x625] != 0)
printf("$6625=%02x, expected 00\n", Memory.C4RAM[0x625]);
if ((Memory.C4RAM[0x626] >> 2) != Memory.C4RAM[0x629])
printf("$6629=%02x, expected %02x\n", Memory.C4RAM[0x629], (Memory.C4RAM[0x626] >> 2));
if (((uint16) Memory.C4RAM[0x626] << 2) != READ_WORD(Memory.C4RAM + 0x627))
printf("$6627=%04x, expected %04x\n", READ_WORD(Memory.C4RAM + 0x627), ((uint16) Memory.C4RAM[0x626] << 2));
revert trunk
2009-11-30 09:14:38 +01:00
#endif
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
if (Memory.C4RAM[0x0620] != 0)
{
SprCount = 128 - Memory.C4RAM[0x626];
uint8 offset = (Memory.C4RAM[0x626] & 3) * 2;
uint8 *srcptr = Memory.C4RAM + 0x220;
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
for (int i = Memory.C4RAM[0x0620]; i > 0 && SprCount > 0; i--, srcptr += 16)
revert trunk
2009-11-30 09:14:38 +01:00
{
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
SprX = READ_WORD(srcptr) - globalX;
SprY = READ_WORD(srcptr + 2) - globalY;
SprName = srcptr[5];
SprAttr = srcptr[4] | srcptr[0x06]; // XXX: mask bits?
uint8 *sprptr = C4GetMemPointer(READ_3WORD(srcptr + 7));
if (*sprptr != 0)
{
int16 X, Y;
for (int SprCnt = *sprptr++; SprCnt > 0 && SprCount > 0; SprCnt--, sprptr += 4)
{
X = (int8) sprptr[1];
if (SprAttr & 0x40)
X = -X - ((sprptr[0] & 0x20) ? 16 : 8); // flip X
X += SprX;
if (X >= -16 && X <= 272)
{
Y = (int8) sprptr[2];
if (SprAttr & 0x80)
Y = -Y - ((sprptr[0] & 0x20) ? 16 : 8);
Y += SprY;
if (Y >= -16 && Y <= 224)
{
OAMptr[0] = X & 0xff;
OAMptr[1] = (uint8) Y;
OAMptr[2] = SprName + sprptr[3];
OAMptr[3] = SprAttr ^ (sprptr[0] & 0xc0); // XXX: Carry from SprName addition?
*OAMptr2 &= ~(3 << offset);
if (X & 0x100)
*OAMptr2 |= 1 << offset;
if (sprptr[0] & 0x20)
*OAMptr2 |= 2 << offset;
OAMptr += 4;
SprCount--;
offset = (offset + 2) & 6;
if (offset == 0)
OAMptr2++;
}
}
}
}
else
if (SprCount > 0)
{
// XXX: Should we be testing -16<=SprX<=272 and -16<=SprY<=224?
OAMptr[0] = (uint8) SprX;
OAMptr[1] = (uint8) SprY;
OAMptr[2] = SprName;
OAMptr[3] = SprAttr;
*OAMptr2 &= ~(3 << offset);
if (SprX & 0x100)
*OAMptr2 |= 3 << offset;
else
*OAMptr2 |= 2 << offset;
OAMptr += 4;
SprCount--;
offset = (offset + 2) & 6;
if (offset == 0)
OAMptr2++;
}
}
}
revert trunk
2009-11-30 09:14:38 +01:00
}
initial port of snes9x 1.52 beta
2009-11-25 07:35:14 +01:00
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
static void C4DoScaleRotate (int row_padding)
revert trunk
2009-11-30 09:14:38 +01:00
{
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
int16 A, B, C, D;
initial port of snes9x 1.52 beta
2009-11-25 07:35:14 +01:00
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
// Calculate matrix
int32 XScale = READ_WORD(Memory.C4RAM + 0x1f8f);
if (XScale & 0x8000)
XScale = 0x7fff;
initial port of snes9x 1.52 beta
2009-11-25 07:35:14 +01:00
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
int32 YScale = READ_WORD(Memory.C4RAM + 0x1f92);
if (YScale & 0x8000)
YScale = 0x7fff;
initial port of snes9x 1.52 beta
2009-11-25 07:35:14 +01:00
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
if (READ_WORD(Memory.C4RAM + 0x1f80) == 0) // no rotation
{
// XXX: only do this for C and D?
// XXX: and then only when YScale is 0x1000?
A = (int16) XScale;
B = 0;
C = 0;
D = (int16) YScale;
}
else
if (READ_WORD(Memory.C4RAM + 0x1f80) == 128) // 90 degree rotation
{
// XXX: Really do this?
A = 0;
B = (int16) (-YScale);
C = (int16) XScale;
D = 0;
}
else
if (READ_WORD(Memory.C4RAM + 0x1f80) == 256) // 180 degree rotation
{
// XXX: Really do this?
A = (int16) (-XScale);
B = 0;
C = 0;
D = (int16) (-YScale);
}
else
if (READ_WORD(Memory.C4RAM + 0x1f80) == 384) // 270 degree rotation
{
// XXX: Really do this?
A = 0;
B = (int16) YScale;
C = (int16) (-XScale);
D = 0;
}
else
{
A = (int16) SAR(C4CosTable[READ_WORD(Memory.C4RAM + 0x1f80) & 0x1ff] * XScale, 15);
B = (int16) (-SAR(C4SinTable[READ_WORD(Memory.C4RAM + 0x1f80) & 0x1ff] * YScale, 15));
C = (int16) SAR(C4SinTable[READ_WORD(Memory.C4RAM + 0x1f80) & 0x1ff] * XScale, 15);
D = (int16) SAR(C4CosTable[READ_WORD(Memory.C4RAM + 0x1f80) & 0x1ff] * YScale, 15);
}
// Calculate Pixel Resolution
uint8 w = Memory.C4RAM[0x1f89] & ~7;
uint8 h = Memory.C4RAM[0x1f8c] & ~7;
//printf("%dx%d XScale=%04x YScale=%04x angle=%03x\n", w, h, XScale, YScale, READ_WORD(Memory.C4RAM + 0x1f80) & 0x1ff);
//printf("Matrix: [%10g %10g] [%04x %04x]\n", A / 4096.0, B / 4096.0, A & 0xffff, B & 0xffff);
//printf(" [%10g %10g] [%04x %04x]\n", C / 4096.0, D / 4096.0, C & 0xffff, D & 0xffff);
// Clear the output RAM
memset(Memory.C4RAM, 0, (w + row_padding / 4) * h / 2);
int32 Cx = (int16) READ_WORD(Memory.C4RAM + 0x1f83);
int32 Cy = (int16) READ_WORD(Memory.C4RAM + 0x1f86);
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
#ifdef DEBUGGER
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
if (Memory.C4RAM[0x1f97] != 0)
printf("$7f97=%02x, expected 00\n", Memory.C4RAM[0x1f97]);
if ((Cx & ~1) != w / 2 || (Cy & ~1) != h / 2)
printf("Center is not middle of image! (%d, %d) != (%d, %d)\n", Cx, Cy, w / 2, h / 2);
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
#endif
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
// Calculate start position (i.e. (Ox, Oy) = (0, 0))
// The low 12 bits are fractional, so (Cx<<12) gives us the Cx we want in the function.
// We do Cx*A etc normally because the matrix parameters already have the fractional parts.
int32 LineX = (Cx << 12) - Cx * A - Cx * B;
int32 LineY = (Cy << 12) - Cy * C - Cy * D;
// Start loop
uint32 X, Y;
uint8 byte;
int outidx = 0;
uint8 bit = 0x80;
for (int y = 0; y < h; y++)
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
{
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
X = LineX;
Y = LineY;
for (int x = 0; x < w; x++)
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
{
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
if ((X >> 12) >= w || (Y >> 12) >= h)
byte = 0;
else
{
uint32 addr = (Y >> 12) * w + (X >> 12);
byte = Memory.C4RAM[0x600 + (addr >> 1)];
if (addr & 1)
byte >>= 4;
}
// De-bitplanify
if (byte & 1)
Memory.C4RAM[outidx] |= bit;
if (byte & 2)
Memory.C4RAM[outidx + 1] |= bit;
if (byte & 4)
Memory.C4RAM[outidx + 16] |= bit;
if (byte & 8)
Memory.C4RAM[outidx + 17] |= bit;
bit >>= 1;
if (bit == 0)
{
bit = 0x80;
outidx += 32;
}
X += A; // Add 1 to output x => add an A and a C
Y += C;
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
}
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
outidx += 2 + row_padding;
if (outidx & 0x10)
outidx &= ~0x10;
else
outidx -= w * 4 + row_padding;
LineX += B; // Add 1 to output y => add a B and a D
LineY += D;
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
}
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
}
static void C4DrawLine (int32 X1, int32 Y1, int16 Z1, int32 X2, int32 Y2, int16 Z2, uint8 Color)
{
// Transform coordinates
C4WFXVal = (int16) X1;
C4WFYVal = (int16) Y1;
C4WFZVal = Z1;
C4WFScale = Memory.C4RAM[0x1f90];
C4WFX2Val = Memory.C4RAM[0x1f86];
C4WFY2Val = Memory.C4RAM[0x1f87];
C4WFDist = Memory.C4RAM[0x1f88];
C4TransfWireFrame2();
X1 = (C4WFXVal + 48) << 8;
Y1 = (C4WFYVal + 48) << 8;
C4WFXVal = (int16) X2;
C4WFYVal = (int16) Y2;
C4WFZVal = Z2;
C4TransfWireFrame2();
X2 = (C4WFXVal + 48) << 8;
Y2 = (C4WFYVal + 48) << 8;
// Get line info
C4WFXVal = (int16) (X1 >> 8);
C4WFYVal = (int16) (Y1 >> 8);
C4WFX2Val = (int16) (X2 >> 8);
C4WFY2Val = (int16) (Y2 >> 8);
C4CalcWireFrame();
X2 = (int16) C4WFXVal;
Y2 = (int16) C4WFYVal;
// Render line
for (int i = C4WFDist ? C4WFDist : 1; i > 0; i--)
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
{
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
if (X1 > 0xff && Y1 > 0xff && X1 < 0x6000 && Y1 < 0x6000)
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
{
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
uint16 addr = (((Y1 >> 8) >> 3) << 8) - (((Y1 >> 8) >> 3) << 6) + (((X1 >> 8) >> 3) << 4) + ((Y1 >> 8) & 7) * 2;
uint8 bit = 0x80 >> ((X1 >> 8) & 7);
Memory.C4RAM[addr + 0x300] &= ~bit;
Memory.C4RAM[addr + 0x301] &= ~bit;
if (Color & 1)
Memory.C4RAM[addr + 0x300] |= bit;
if (Color & 2)
Memory.C4RAM[addr + 0x301] |= bit;
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
}
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
X1 += X2;
Y1 += Y2;
}
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
}
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
static void C4DrawWireFrame (void)
{
uint8 *line = C4GetMemPointer(READ_3WORD(Memory.C4RAM + 0x1f80));
uint8 *point1, *point2;
int16 X1, Y1, Z1;
int16 X2, Y2, Z2;
uint8 Color;
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
#ifdef DEBUGGER
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
if (READ_3WORD(Memory.C4RAM + 0x1f8f) & 0xff00ff)
printf("wireframe: Unexpected value in $7f8f: %06x\n", READ_3WORD(Memory.C4RAM + 0x1f8f));
if (READ_3WORD(Memory.C4RAM + 0x1fa4) != 0x001000)
printf("wireframe: Unexpected value in $7fa4: %06x\n", READ_3WORD(Memory.C4RAM + 0x1fa4));
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
#endif
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
for (int i = Memory.C4RAM[0x0295]; i > 0; i--, line += 5)
{
if (line[0] == 0xff && line[1] == 0xff)
{
uint8 *tmp = line - 5;
while (tmp[2] == 0xff && tmp[3] == 0xff)
tmp -= 5;
point1 = C4GetMemPointer((Memory.C4RAM[0x1f82] << 16) | (tmp[2] << 8) | tmp[3]);
}
else
point1 = C4GetMemPointer((Memory.C4RAM[0x1f82] << 16) | (line[0] << 8) | line[1]);
point2 = C4GetMemPointer((Memory.C4RAM[0x1f82] << 16) | (line[2] << 8) | line[3]);
X1 = (point1[0] << 8) | point1[1];
Y1 = (point1[2] << 8) | point1[3];
Z1 = (point1[4] << 8) | point1[5];
X2 = (point2[0] << 8) | point2[1];
Y2 = (point2[2] << 8) | point2[3];
Z2 = (point2[4] << 8) | point2[5];
Color = line[4];
C4DrawLine(X1, Y1, Z1, X2, Y2, Z2, Color);
}
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
}
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
static void C4TransformLines (void)
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
{
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
C4WFX2Val = Memory.C4RAM[0x1f83];
C4WFY2Val = Memory.C4RAM[0x1f86];
C4WFDist = Memory.C4RAM[0x1f89];
C4WFScale = Memory.C4RAM[0x1f8c];
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
#ifdef DEBUGGER
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
if (Memory.C4RAM[0x1f8a] != 0x90)
printf("lines: $7f8a = %02x, expected 90\n", READ_WORD(Memory.C4RAM + 0x1f8a));
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
#endif
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
// Transform vertices
uint8 *ptr = Memory.C4RAM;
for (int i = READ_WORD(Memory.C4RAM + 0x1f80); i > 0; i--, ptr += 0x10)
{
C4WFXVal = READ_WORD(ptr + 1);
C4WFYVal = READ_WORD(ptr + 5);
C4WFZVal = READ_WORD(ptr + 9);
C4TransfWireFrame();
// Displace
WRITE_WORD(ptr + 1, C4WFXVal + 0x80);
WRITE_WORD(ptr + 5, C4WFYVal + 0x50);
}
WRITE_WORD(Memory.C4RAM + 0x600, 23);
WRITE_WORD(Memory.C4RAM + 0x602, 0x60);
WRITE_WORD(Memory.C4RAM + 0x605, 0x40);
WRITE_WORD(Memory.C4RAM + 0x600 + 8, 23);
WRITE_WORD(Memory.C4RAM + 0x602 + 8, 0x60);
WRITE_WORD(Memory.C4RAM + 0x605 + 8, 0x40);
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
ptr = Memory.C4RAM + 0xb02;
uint8 *ptr2 = Memory.C4RAM;
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
for (int i = READ_WORD(Memory.C4RAM + 0xb00); i > 0; i--, ptr += 2, ptr2 += 8)
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
{
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
C4WFXVal = READ_WORD(Memory.C4RAM + (ptr[0] << 4) + 1);
C4WFYVal = READ_WORD(Memory.C4RAM + (ptr[0] << 4) + 5);
C4WFX2Val = READ_WORD(Memory.C4RAM + (ptr[1] << 4) + 1);
C4WFY2Val = READ_WORD(Memory.C4RAM + (ptr[1] << 4) + 5);
C4CalcWireFrame();
WRITE_WORD(ptr2 + 0x600, C4WFDist ? C4WFDist : 1);
WRITE_WORD(ptr2 + 0x602, C4WFXVal);
WRITE_WORD(ptr2 + 0x605, C4WFYVal);
}
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
}
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
static void C4BitPlaneWave (void)
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
{
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
static uint16 bmpdata[] =
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
{
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
0x0000, 0x0002, 0x0004, 0x0006, 0x0008, 0x000A, 0x000C, 0x000E,
0x0200, 0x0202, 0x0204, 0x0206, 0x0208, 0x020A, 0x020C, 0x020E,
0x0400, 0x0402, 0x0404, 0x0406, 0x0408, 0x040A, 0x040C, 0x040E,
0x0600, 0x0602, 0x0604, 0x0606, 0x0608, 0x060A, 0x060C, 0x060E,
0x0800, 0x0802, 0x0804, 0x0806, 0x0808, 0x080A, 0x080C, 0x080E
};
uint8 *dst = Memory.C4RAM;
uint32 waveptr = Memory.C4RAM[0x1f83];
uint16 mask1 = 0xc0c0;
uint16 mask2 = 0x3f3f;
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
#ifdef DEBUGGER
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
if (READ_3WORD(Memory.C4RAM + 0x1f80) != Memory.C4RAM[waveptr + 0xb00])
printf("$7f80=%06x, expected %02x\n", READ_3WORD(Memory.C4RAM + 0x1f80), Memory.C4RAM[waveptr + 0xb00]);
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
#endif
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
for (int j = 0; j < 0x10; j++)
{
do
{
int16 height = -((int8) Memory.C4RAM[waveptr + 0xb00]) - 16;
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
for (int i = 0; i < 40; i++)
{
uint16 tmp = READ_WORD(dst + bmpdata[i]) & mask2;
if (height >= 0)
{
if (height < 8)
tmp |= mask1 & READ_WORD(Memory.C4RAM + 0xa00 + height * 2);
else
tmp |= mask1 & 0xff00;
}
WRITE_WORD(dst + bmpdata[i], tmp);
height++;
}
waveptr = (waveptr + 1) & 0x7f;
mask1 = (mask1 >> 2) | (mask1 << 6);
mask2 = (mask2 >> 2) | (mask2 << 6);
}
while (mask1 != 0xc0c0);
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
dst += 16;
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
do
{
int16 height = -((int8) Memory.C4RAM[waveptr + 0xb00]) - 16;
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
for (int i = 0; i < 40; i++)
{
uint16 tmp = READ_WORD(dst + bmpdata[i]) & mask2;
if (height >= 0)
{
if (height < 8)
tmp |= mask1 & READ_WORD(Memory.C4RAM + 0xa10 + height * 2);
else
tmp |= mask1 & 0xff00;
}
WRITE_WORD(dst + bmpdata[i], tmp);
height++;
}
waveptr = (waveptr + 1) & 0x7f;
mask1 = (mask1 >> 2) | (mask1 << 6);
mask2 = (mask2 >> 2) | (mask2 << 6);
}
while (mask1 != 0xc0c0);
upgrade to snes9x 1.51
2008-09-10 07:57:37 +02:00
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
dst += 16;
}
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
}
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
static void C4SprDisintegrate (void)
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
{
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
uint8 *src;
uint8 width, height;
uint32 StartX, StartY;
int32 scaleX, scaleY;
int32 Cx, Cy;
width = Memory.C4RAM[0x1f89];
height = Memory.C4RAM[0x1f8c];
Cx = (int16) READ_WORD(Memory.C4RAM + 0x1f80);
Cy = (int16) READ_WORD(Memory.C4RAM + 0x1f83);
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
#ifdef DEBUGGER
upgrade core to 1.52
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if ((Cx & ~1) != width / 2 || (Cy & ~1) != height / 2)
printf("Center is not middle of image for disintegrate! (%d, %d) != (%d, %d)\n", Cx, Cy, width / 2, height / 2);
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
#endif
upgrade core to 1.52
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scaleX = (int16) READ_WORD(Memory.C4RAM + 0x1f86);
scaleY = (int16) READ_WORD(Memory.C4RAM + 0x1f8f);
StartX = -Cx * scaleX + (Cx << 8);
StartY = -Cy * scaleY + (Cy << 8);
src = Memory.C4RAM + 0x600;
memset(Memory.C4RAM, 0, width * height / 2);
for (uint32 y = StartY, i = 0; i < height; i++, y += scaleY)
{
for (uint32 x = StartX, j = 0; j < width; j++, x += scaleX)
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
{
upgrade core to 1.52
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if ((x >> 8) < width && (y >> 8) < height && (y >> 8) * width + (x >> 8) < 0x2000)
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
{
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
uint8 pixel = (j & 1) ? (*src >> 4) : *src;
int idx = (y >> 11) * width * 4 + (x >> 11) * 32 + ((y >> 8) & 7) * 2;
uint8 mask = 0x80 >> ((x >> 8) & 7);
if (pixel & 1)
Memory.C4RAM[idx] |= mask;
if (pixel & 2)
Memory.C4RAM[idx + 1] |= mask;
if (pixel & 4)
Memory.C4RAM[idx + 16] |= mask;
if (pixel & 8)
Memory.C4RAM[idx + 17] |= mask;
}
if (j & 1)
src++;
}
}
}
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
static void C4ProcessSprites (void)
{
switch (Memory.C4RAM[0x1f4d])
{
case 0x00: // Build OAM
#ifdef DEBUGGER
//printf("00 00 Build OAM!\n");
#endif
C4ConvOAM();
break;
case 0x03: // Scale/Rotate
#ifdef DEBUGGER
//printf("00 03 Scale/Rotate!\n");
#endif
C4DoScaleRotate(0);
break;
case 0x05: // Transform Lines
#ifdef DEBUGGER
//printf("00 05 Transform Lines!\n");
#endif
C4TransformLines();
break;
case 0x07: // Scale/Rotate
#ifdef DEBUGGER
//printf("00 07 Scale/Rotate!\n");
#endif
C4DoScaleRotate(64);
break;
case 0x08: // Draw wireframe
#ifdef DEBUGGER
//printf("00 08 Draw wireframe!\n");
#endif
C4DrawWireFrame();
break;
case 0x0b: // Disintegrate
#ifdef DEBUGGER
//printf("00 0b Disintegrate!\n");
#endif
C4SprDisintegrate();
break;
case 0x0c: // Wave
#ifdef DEBUGGER
//printf("00 0b Wave!\n");
#endif
C4BitPlaneWave();
break;
default:
#ifdef DEBUGGER
printf("Unknown C4 sprite command (%02x)\n", Memory.C4RAM[0x1f4d]);
#endif
break;
}
}
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
void S9xInitC4 (void)
{
// Stupid zsnes code, we can't do the logical thing without breaking savestates
// Memory.C4RAM = &Memory.FillRAM [0x6000];
memset(Memory.C4RAM, 0, 0x2000);
}
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
uint8 S9xGetC4 (uint16 Address)
{
if (Address == 0x7f5e)
return (0);
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
return (Memory.C4RAM[Address - 0x6000]);
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
}
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
void S9xSetC4 (uint8 byte, uint16 Address)
{
Memory.C4RAM[Address - 0x6000] = byte;
Original version off of which work began. Crunchy2's last release (2.0.1b8)
2008-08-06 03:09:59 +02:00
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
if (Address == 0x7f4f)
{
if (Memory.C4RAM[0x1f4d] == 0x0e && byte < 0x40 && (byte & 3) == 0)
{
#ifdef DEBUGGER
printf("Test command %02x 0e used!\n", byte);
#endif
Memory.C4RAM[0x1f80] = byte >> 2;
}
else
{
switch (byte)
{
case 0x00: // Sprite
#ifdef DEBUGGER
//printf("00 Sprite!\n");
#endif
C4ProcessSprites();
break;
case 0x01: // Draw wireframe
#ifdef DEBUGGER
//printf("01 Draw wireframe!\n");
if (Memory.C4RAM[0x1f4d] != 8)
printf("$7f4d=%02x, expected 08 for command 01 %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]);
#endif
memset(Memory.C4RAM + 0x300, 0, 16 * 12 * 3 * 4);
C4DrawWireFrame();
break;
case 0x05: // Propulsion (?)
{
#ifdef DEBUGGER
//printf("05 Propulsion (?)!\n");
if (Memory.C4RAM[0x1f4d] != 2)
printf("$7f4d=%02x, expected 02 for command 05 %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]);
#endif
int32 tmp = 0x10000;
if (READ_WORD(Memory.C4RAM + 0x1f83))
tmp = SAR((tmp / READ_WORD(Memory.C4RAM + 0x1f83)) * READ_WORD(Memory.C4RAM + 0x1f81), 8);
WRITE_WORD(Memory.C4RAM + 0x1f80, (uint16) tmp);
break;
}
case 0x0d: // Set vector length
#ifdef DEBUGGER
//printf("0d Set vector length!\n");
if (Memory.C4RAM[0x1f4d] != 2)
printf("$7f4d=%02x, expected 02 for command 0d %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]);
#endif
C41FXVal = READ_WORD(Memory.C4RAM + 0x1f80);
C41FYVal = READ_WORD(Memory.C4RAM + 0x1f83);
C41FDistVal = READ_WORD(Memory.C4RAM + 0x1f86);
C4Op0D();
WRITE_WORD(Memory.C4RAM + 0x1f89, C41FXVal);
WRITE_WORD(Memory.C4RAM + 0x1f8c, C41FYVal);
break;
case 0x10: // Polar to rectangluar
{
#ifdef DEBUGGER
//printf("10 Polar->Rect!\n");
if (Memory.C4RAM[0x1f4d] != 2)
printf("$7f4d=%02x, expected 02 for command 10 %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]);
#endif
int32 tmp;
sync with upstream
2010-10-03 22:13:53 +02:00
int32 r1;
r1 = READ_WORD(Memory.C4RAM + 0x1f83);
if (r1 & 0x8000)
r1 |= ~0x7fff;
else
r1 &= 0x7fff;
tmp = SAR(r1 * C4CosTable[READ_WORD(Memory.C4RAM + 0x1f80) & 0x1ff] * 2, 16);
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
WRITE_3WORD(Memory.C4RAM + 0x1f86, tmp);
sync with upstream
2010-10-03 22:13:53 +02:00
tmp = SAR(r1 * C4SinTable[READ_WORD(Memory.C4RAM + 0x1f80) & 0x1ff] * 2, 16);
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
WRITE_3WORD(Memory.C4RAM + 0x1f89, (tmp - SAR(tmp, 6)));
break;
}
case 0x13: // Polar to rectangluar
{
#ifdef DEBUGGER
//printf("13 Polar->Rect!\n");
if (Memory.C4RAM[0x1f4d] != 2)
printf("$7f4d=%02x, expected 02 for command 13 %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]);
#endif
int32 tmp;
tmp = SAR((int32) READ_WORD(Memory.C4RAM + 0x1f83) * C4CosTable[READ_WORD(Memory.C4RAM + 0x1f80) & 0x1ff] * 2, 8);
WRITE_3WORD(Memory.C4RAM + 0x1f86, tmp);
tmp = SAR((int32) READ_WORD(Memory.C4RAM + 0x1f83) * C4SinTable[READ_WORD(Memory.C4RAM + 0x1f80) & 0x1ff] * 2, 8);
WRITE_3WORD(Memory.C4RAM + 0x1f89, tmp);
break;
}
case 0x15: // Pythagorean
#ifdef DEBUGGER
//printf("15 Pythagorean!\n");
if (Memory.C4RAM[0x1f4d] != 2)
printf("$7f4d=%02x, expected 02 for command 15 %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]);
#endif
C41FXVal = READ_WORD(Memory.C4RAM + 0x1f80);
C41FYVal = READ_WORD(Memory.C4RAM + 0x1f83);
//C4Op15(); // optimized to:
C41FDist = (int16) sqrt((double) C41FXVal * C41FXVal + (double) C41FYVal * C41FYVal);
WRITE_WORD(Memory.C4RAM + 0x1f80, C41FDist);
break;
case 0x1f: // atan
#ifdef DEBUGGER
//printf("1f atan!\n");
if (Memory.C4RAM[0x1f4d] != 2)
printf("$7f4d=%02x, expected 02 for command 1f %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]);
#endif
C41FXVal = READ_WORD(Memory.C4RAM + 0x1f80);
C41FYVal = READ_WORD(Memory.C4RAM + 0x1f83);
C4Op1F();
WRITE_WORD(Memory.C4RAM + 0x1f86, C41FAngleRes);
break;
case 0x22: // Trapezoid
{
#ifdef DEBUGGER
//printf("22 Trapezoid!\n");
if (Memory.C4RAM[0x1f4d] != 2)
printf("$7f4d=%02x, expected 02 for command 22 %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]);
#endif
int16 angle1 = READ_WORD(Memory.C4RAM + 0x1f8c) & 0x1ff;
int16 angle2 = READ_WORD(Memory.C4RAM + 0x1f8f) & 0x1ff;
#ifdef DEBUGGER
if (C4CosTable[angle1] == 0)
fprintf(stderr, "22 Trapezoid: Invalid tangent! angle1=%d\n", angle1);
if (C4CosTable[angle2] == 0)
fprintf(stderr, "22 Trapezoid: Invalid tangent! angle2=%d\n", angle2);
#endif
int32 tan1 = (C4CosTable[angle1] != 0) ? ((((int32) C4SinTable[angle1]) << 16) / C4CosTable[angle1]) : 0x80000000;
int32 tan2 = (C4CosTable[angle2] != 0) ? ((((int32) C4SinTable[angle2]) << 16) / C4CosTable[angle2]) : 0x80000000;
int16 y = READ_WORD(Memory.C4RAM + 0x1f83) - READ_WORD(Memory.C4RAM + 0x1f89);
int16 left, right;
for (int j = 0; j < 225; j++)
{
if (y >= 0)
{
left = SAR((int32) tan1 * y, 16) - READ_WORD(Memory.C4RAM + 0x1f80) + READ_WORD(Memory.C4RAM + 0x1f86);
right = SAR((int32) tan2 * y, 16) - READ_WORD(Memory.C4RAM + 0x1f80) + READ_WORD(Memory.C4RAM + 0x1f86) + READ_WORD(Memory.C4RAM + 0x1f93);
if (left < 0 && right < 0)
{
left = 1;
right = 0;
}
else
if (left < 0)
left = 0;
else
if (right < 0)
right = 0;
if (left > 255 && right > 255)
{
left = 255;
right = 254;
}
else
if (left > 255)
left = 255;
else
if (right > 255)
right = 255;
}
else
{
left = 1;
right = 0;
}
Memory.C4RAM[j + 0x800] = (uint8) left;
Memory.C4RAM[j + 0x900] = (uint8) right;
y++;
}
break;
}
case 0x25: // Multiply
{
#ifdef DEBUGGER
//printf("25 Multiply!\n");
if (Memory.C4RAM[0x1f4d] != 2)
printf("$7f4d=%02x, expected 02 for command 25 %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]);
#endif
int32 foo = READ_3WORD(Memory.C4RAM + 0x1f80);
int32 bar = READ_3WORD(Memory.C4RAM + 0x1f83);
foo *= bar;
WRITE_3WORD(Memory.C4RAM + 0x1f80, foo);
break;
}
case 0x2d: // Transform Coords
#ifdef DEBUGGER
//printf("2d Transform Coords!\n");
if (Memory.C4RAM[0x1f4d] != 2)
printf("$7f4d=%02x, expected 02 for command 2d %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]);
if (READ_3WORD(Memory.C4RAM + 0x1f8f) & 0xff00ff)
printf("2d transform coords: Unexpected value in $7f8f: %06x\n", READ_3WORD(Memory.C4RAM + 0x1f8f));
if (READ_3WORD(Memory.C4RAM + 0x1f8c) != 0x001000)
printf("0d transform coords: Unexpected value in $7f8c: %06x\n", READ_3WORD(Memory.C4RAM + 0x1f8c));
#endif
C4WFXVal = READ_WORD(Memory.C4RAM + 0x1f81);
C4WFYVal = READ_WORD(Memory.C4RAM + 0x1f84);
C4WFZVal = READ_WORD(Memory.C4RAM + 0x1f87);
C4WFX2Val = Memory.C4RAM[0x1f89];
C4WFY2Val = Memory.C4RAM[0x1f8a];
C4WFDist = Memory.C4RAM[0x1f8b];
C4WFScale = READ_WORD(Memory.C4RAM + 0x1f90);
C4TransfWireFrame2();
WRITE_WORD(Memory.C4RAM + 0x1f80, C4WFXVal);
WRITE_WORD(Memory.C4RAM + 0x1f83, C4WFYVal);
break;
case 0x40: // Sum
{
#ifdef DEBUGGER
//printf("40 Sum!\n");
if (Memory.C4RAM[0x1f4d] != 0x0e)
printf("$7f4d=%02x, expected 0e for command 40 %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]);
#endif
uint16 sum = 0;
for (int i = 0; i < 0x800; sum += Memory.C4RAM[i++]) ;
WRITE_WORD(Memory.C4RAM + 0x1f80, sum);
break;
}
case 0x54: // Square
{
#ifdef DEBUGGER
//printf("54 Square!\n");
if (Memory.C4RAM[0x1f4d] != 0x0e)
printf("$7f4d=%02x, expected 0e for command 54 %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]);
#endif
upgrade core to 1.57
2018-11-12 02:31:52 +01:00
int64 b = (int64) READ_3WORD(Memory.C4RAM + 0x1f80);
int64 c = b << 40;
int64 a = SAR(c, 30);
a = SAR(c, 10);
upgrade core to 1.52
2010-01-27 23:08:56 +01:00
a *= a;
WRITE_3WORD(Memory.C4RAM + 0x1f83, a);
WRITE_3WORD(Memory.C4RAM + 0x1f86, (a >> 24));
break;
}
case 0x5c: // Immediate Reg
#ifdef DEBUGGER
//printf("5c Immediate Reg!\n");
if (Memory.C4RAM[0x1f4d] != 0x0e)
printf("$7f4d=%02x, expected 0e for command 5c %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]);
#endif
for (int i = 0; i < 12 * 4; i++)
Memory.C4RAM[i] = C4TestPattern[i];
break;
case 0x89: // Immediate ROM
#ifdef DEBUGGER
//printf("89 Immediate ROM!\n");
if (Memory.C4RAM[0x1f4d] != 0x0e)
printf("$7f4d=%02x, expected 0e for command 89 %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]);
#endif
Memory.C4RAM[0x1f80] = 0x36;
Memory.C4RAM[0x1f81] = 0x43;
Memory.C4RAM[0x1f82] = 0x05;
break;
default:
#ifdef DEBUGGER
printf("Unknown C4 command (%02x)\n", byte);
#endif
break;
}
}
}
else
if (Address == 0x7f47)
{
#ifdef DEBUGGER
//printf("C4 load memory %06x => %04x, %04x bytes\n", READ_3WORD(Memory.C4RAM + 0x1f40), READ_WORD(Memory.C4RAM + 0x1f45), READ_WORD(Memory.C4RAM + 0x1f43));
if (byte != 0)
printf("C4 load: non-0 written to $7f47! Wrote %02x\n", byte);
if (READ_WORD(Memory.C4RAM + 0x1f45) < 0x6000 || (READ_WORD(Memory.C4RAM + 0x1f45) + READ_WORD(Memory.C4RAM + 0x1f43)) > 0x6c00)
printf("C4 load: Dest unusual! It's %04x\n", READ_WORD(Memory.C4RAM + 0x1f45));
#endif
memmove(Memory.C4RAM + (READ_WORD(Memory.C4RAM + 0x1f45) & 0x1fff), C4GetMemPointer(READ_3WORD(Memory.C4RAM + 0x1f40)), READ_WORD(Memory.C4RAM + 0x1f43));
}
}
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