mirror of
https://github.com/dborth/snes9xgx.git
synced 2024-11-30 22:44:22 +01:00
451 lines
16 KiB
C
451 lines
16 KiB
C
/**********************************************************************************
|
|
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
|
|
|
|
(c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com),
|
|
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)
|
|
|
|
(c) Copyright 2002 - 2006 funkyass (funkyass@spam.shaw.ca),
|
|
Kris Bleakley (codeviolation@hotmail.com)
|
|
|
|
(c) Copyright 2002 - 2007 Brad Jorsch (anomie@users.sourceforge.net),
|
|
Nach (n-a-c-h@users.sourceforge.net),
|
|
zones (kasumitokoduck@yahoo.com)
|
|
|
|
(c) Copyright 2006 - 2007 nitsuja
|
|
|
|
|
|
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_,
|
|
Andreas Naive (andreasnaive@gmail.com)
|
|
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),
|
|
Kris Bleakley,
|
|
Ported from x86 assembler to C by sanmaiwashi
|
|
|
|
SPC7110 and RTC C++ emulator code
|
|
(c) Copyright 2002 Matthew Kendora with research by
|
|
zsKnight,
|
|
John Weidman,
|
|
Dark Force
|
|
|
|
S-DD1 C emulator code
|
|
(c) Copyright 2003 Brad Jorsch with research by
|
|
Andreas Naive,
|
|
John Weidman
|
|
|
|
S-RTC C emulator code
|
|
(c) Copyright 2001-2006 byuu,
|
|
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,
|
|
zsKnight,
|
|
|
|
Super FX C emulator code
|
|
(c) Copyright 1997 - 1999 Ivar,
|
|
Gary Henderson,
|
|
John Weidman
|
|
|
|
Sound DSP emulator code is derived from SNEeSe and OpenSPC:
|
|
(c) Copyright 1998 - 2003 Brad Martin
|
|
(c) Copyright 1998 - 2006 Charles Bilyue'
|
|
|
|
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
|
|
|
|
HQ2x, HQ3x, HQ4x filters
|
|
(c) Copyright 2003 Maxim Stepin (maxim@hiend3d.com)
|
|
|
|
Win32 GUI code
|
|
(c) Copyright 2003 - 2006 blip,
|
|
funkyass,
|
|
Matthew Kendora,
|
|
Nach,
|
|
nitsuja
|
|
|
|
Mac OS GUI code
|
|
(c) Copyright 1998 - 2001 John Stiles
|
|
(c) Copyright 2001 - 2007 zones
|
|
|
|
|
|
Specific ports contains the works of other authors. See headers in
|
|
individual files.
|
|
|
|
|
|
Snes9x homepage: http://www.snes9x.com
|
|
|
|
Permission to use, copy, modify and/or distribute Snes9x in both binary
|
|
and source form, for non-commercial purposes, is hereby granted without
|
|
fee, providing that this license information and copyright notice appear
|
|
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.
|
|
**********************************************************************************/
|
|
|
|
|
|
|
|
#ifndef FOO_H
|
|
#define FOO_H
|
|
|
|
#include "port.h"
|
|
|
|
#define S9xNoMapping 0
|
|
#define S9xButtonJoypad 1
|
|
#define S9xButtonMouse 2
|
|
#define S9xButtonSuperscope 3
|
|
#define S9xButtonJustifier 4
|
|
#define S9xButtonCommand 5
|
|
#define S9xButtonMulti 6
|
|
#define S9xAxisJoypad 7
|
|
#define S9xPointer 8
|
|
|
|
#define S9xButtonPseudopointer 254
|
|
#define S9xAxisPseudopointer 253
|
|
#define S9xAxisPseudobuttons 252
|
|
|
|
// These are automatically kicked out to the S9xHandlePortCommand function. If
|
|
// your port wants to define port-specific commands or whatever, use these
|
|
// values for the s9xcommand_t type field.
|
|
#define S9xButtonPort 251
|
|
#define S9xAxisPort 250
|
|
#define S9xPointerPort 249
|
|
|
|
#define S9xBadMapping 255
|
|
#define InvalidControlID ((uint32)-1)
|
|
|
|
// S9xButtonPseudopointer and S9xAxisPseudopointer will report pointer motion
|
|
// using IDs PseudoPointerBase through PseudoPointerBase+7.
|
|
// S9xAxisPseudopointer command types. S9xAxisPseudobuttons will report buttons
|
|
// with IDs PseudoButtonBase to PseudoButtonBase+255.
|
|
#define PseudoPointerBase (InvalidControlID-8)
|
|
#define PseudoButtonBase (PseudoPointerBase-256)
|
|
|
|
// Yes, this struct looks huge. But gcc makes it 6 bytes (the minimum), so it's
|
|
// not that bad.
|
|
typedef struct {
|
|
uint8 type;
|
|
uint8 multi_press:2;
|
|
uint8 button_norpt:1;
|
|
|
|
union {
|
|
union {
|
|
struct {
|
|
uint8 idx:3; // Pad number 0-7
|
|
uint8 toggle:1; // If set, toggle turbo/sticky for the button
|
|
uint8 turbo:1; // If set, be a 'turbo' button
|
|
uint8 sticky:1; // If set, toggle button state (on/turbo or off)
|
|
// when pressed and do nothing on release
|
|
uint16 buttons; // Which buttons to actuate.
|
|
// Use SNES_*_MASK constants from snes9x.h
|
|
} joypad;
|
|
|
|
struct {
|
|
uint8 idx:1; // Mouse number 0-1
|
|
uint8 left:1; // buttons
|
|
uint8 right:1;
|
|
} mouse;
|
|
|
|
struct {
|
|
uint8 fire:1;
|
|
uint8 cursor:1;
|
|
uint8 turbo:1;
|
|
uint8 pause:1;
|
|
uint8 aim_offscreen:1; // Pretend we're pointing the gun
|
|
// offscreen (ignore the pointer)
|
|
} scope;
|
|
|
|
struct {
|
|
uint8 idx:3; // Pseudo-pointer number 0-7
|
|
uint8 speed_type:2; // 0=variable, 1=slow, 2=med, 3=fast
|
|
int8 UD:2; // -1=up, 1=down, 0=no vertical motion
|
|
int8 LR:2; // -1=left, 1=right, 0=no horizontal motion
|
|
} pointer;
|
|
|
|
struct {
|
|
uint8 idx:1; // Justifier number 0-1
|
|
uint8 trigger:1; // buttons
|
|
uint8 start:1;
|
|
uint8 aim_offscreen:1; // Pretend we're pointing the gun
|
|
// offscreen (ignore the pointer)
|
|
} justifier;
|
|
|
|
int32 multi_idx;
|
|
uint16 command;
|
|
} button;
|
|
|
|
union {
|
|
struct {
|
|
uint8 idx:3; // Pad number 0-7
|
|
uint8 invert:1; // 1 = positive is Left/Up/Y/X/L
|
|
uint8 axis:3; // 0=Left/Right, 1=Up/Down,
|
|
// 2=Y/A, 3=X/B, 4=L/R
|
|
uint8 threshold; // (threshold+1)/256% deflection is a
|
|
// button press
|
|
} joypad;
|
|
|
|
struct {
|
|
uint8 idx:3; // Pseudo-pointer number 0-7
|
|
uint8 speed_type:2; // 0=variable, 1=slow, 2=med, 3=fast
|
|
uint8 invert:1; // 1 = invert axis, so positive is up/left
|
|
uint8 HV:1; // 0=horizontal, 1=vertical
|
|
} pointer;
|
|
|
|
struct {
|
|
uint8 threshold; // (threshold+1)/256% deflection is a
|
|
// button press
|
|
uint8 negbutton; // Button ID for negative deflection
|
|
uint8 posbutton; // Button ID for positive deflection
|
|
} button;
|
|
} axis;
|
|
|
|
struct {
|
|
// Which SNES-pointers to control with this pointer
|
|
uint16 aim_mouse0:1;
|
|
uint16 aim_mouse1:1;
|
|
uint16 aim_scope:1;
|
|
uint16 aim_justifier0:1;
|
|
uint16 aim_justifier1:1;
|
|
} pointer;
|
|
|
|
uint8 port[4];
|
|
};
|
|
} s9xcommand_t;
|
|
|
|
|
|
/* Starting out... */
|
|
void S9xUnmapAllControls(void);
|
|
|
|
/* Setting which controllers are plugged in */
|
|
enum controllers {
|
|
CTL_NONE, /* all ids ignored */
|
|
CTL_JOYPAD, /* use id1 to specify 0-7 */
|
|
CTL_MOUSE, /* use id1 to specify 0-1 */
|
|
CTL_SUPERSCOPE,
|
|
CTL_JUSTIFIER, /* use id1: 0=one justifier, 1=two justifiers */
|
|
CTL_MP5 /* use id1-id4 to specify pad 0-7 (or -1) */
|
|
};
|
|
void S9xSetController(int port, enum controllers controller, int8 id1, int8 id2, int8 id3, int8 id4); /* port=0-1 */
|
|
void S9xGetController(int port, enum controllers *controller, int8 *id1, int8 *id2, int8 *id3, int8 *id4);
|
|
void S9xReportControllers(void);
|
|
|
|
/* Call this when you're done with S9xSetController, or if you change any of
|
|
* the controller Settings.*Master flags. Returns true if something was
|
|
* disabled */
|
|
bool S9xVerifyControllers(void);
|
|
|
|
/*
|
|
* Functions for translation s9xcommand_t's into strings, and vice versa.
|
|
* free() the returned string after you're done with it.
|
|
*/
|
|
char *S9xGetCommandName(s9xcommand_t command);
|
|
s9xcommand_t S9xGetCommandT(const char *name);
|
|
|
|
/*
|
|
* Returns an array of strings naming all the snes9x commands. Note that this
|
|
* is only the strings for S9xButtonCommand! The idea is that this would be
|
|
* used for a pull-down list in a config GUI. DO NOT free() the returned value.
|
|
*/
|
|
const char **S9xGetAllSnes9xCommands(void);
|
|
|
|
/*
|
|
* Generic mapping functions
|
|
*/
|
|
s9xcommand_t S9xGetMapping(uint32 id);
|
|
void S9xUnmapID(uint32 id);
|
|
|
|
/*
|
|
* Button mapping functions. If a button is mapped with poll=TRUE, then
|
|
* S9xPollButton will be called whenever snes9x feels a need for that mapping.
|
|
* Otherwise, snes9x will assume you will call S9xReportButton() whenever the
|
|
* button state changes. S9xMapButton() will fail and return FALSE if
|
|
* mapping.type isn't a S9xButton* type.
|
|
*/
|
|
bool S9xMapButton(uint32 id, s9xcommand_t mapping, bool poll);
|
|
void S9xReportButton(uint32 id, bool pressed);
|
|
|
|
/*
|
|
* Pointer mapping functions. If a button is mapped with poll=TRUE, then
|
|
* S9xPollPointer will be called whenever snes9x feels a need for that mapping.
|
|
* Otherwise, snes9x will assume you will call S9xReportPointer() whenever the
|
|
* pointer position changes. S9xMapPointer() will fail and return FALSE if
|
|
* mapping.type isn't S9xPointer.
|
|
*
|
|
* Note that position [0,0] is considered the upper-left corner of the
|
|
* 'screen', and either [255,223] or [255,239] is the lower-right. Note that
|
|
* the SNES mouse doesn't aim at a particular point, so the SNES's idea of
|
|
* where the mouse pointer is will probably differ from your OS's idea.
|
|
*/
|
|
bool S9xMapPointer(uint32 id, s9xcommand_t mapping, bool poll);
|
|
void S9xReportPointer(uint32 id, int16 x, int16 y);
|
|
|
|
/*
|
|
* Axis mapping functions. If a button is mapped with poll=TRUE, then
|
|
* S9xPollAxis will be called whenever snes9x feels a need for that mapping.
|
|
* Otherwise, snes9x will assume you will call S9xReportAxis() whenever the
|
|
* axis deflection changes. S9xMapAxis() will fail and return FALSE if
|
|
* mapping.type isn't a S9xAxis* type.
|
|
*
|
|
* Note that value is linear -32767 through 32767 with 0 being no
|
|
* deflection. If your axis reports differently you should transform the
|
|
* value before passing it to S9xReportAxis().
|
|
*/
|
|
bool S9xMapAxis(uint32 id, s9xcommand_t mapping, bool poll);
|
|
void S9xReportAxis(uint32 id, int16 value);
|
|
|
|
/*
|
|
* Do whatever the s9xcommand_t says to do. If cmd.type is a button type, data1
|
|
* should be TRUE (non-0) or FALSE (0) to indicate whether the 'button' is
|
|
* pressed or released. If cmd.type is an axis, data1 holds the deflection
|
|
* value. If cmd.type is a pointer, data1 and data2 are the positions of the
|
|
* pointer.
|
|
*/
|
|
void S9xApplyCommand(s9xcommand_t cmd, int16 data1, int16 data2);
|
|
|
|
/*******
|
|
* These functions are called by snes9x into your port, so each port should
|
|
* implement them.
|
|
*/
|
|
|
|
/*
|
|
* If something was mapped with poll=TRUE, these functions will be called when
|
|
* snes9x needs the button/axis/pointer state. Fill in the reference options as
|
|
* appropriate.
|
|
*/
|
|
bool S9xPollButton(uint32 id, bool *pressed);
|
|
bool S9xPollPointer(uint32 id, int16 *x, int16 *y);
|
|
bool S9xPollAxis(uint32 id, int16 *value);
|
|
|
|
/*
|
|
* These are called when snes9x tries to apply a command with a S9x*Port type.
|
|
* data1 and data2 are filled in like S9xApplyCommand.
|
|
*/
|
|
void S9xHandlePortCommand(s9xcommand_t cmd, int16 data1, int16 data2);
|
|
|
|
/*
|
|
* Called before already-read SNES joypad data is being used by the game
|
|
* if your port defines SNES_JOY_READ_CALLBACKS
|
|
*/
|
|
#ifdef SNES_JOY_READ_CALLBACKS
|
|
void S9xOnSNESPadRead();
|
|
#endif
|
|
|
|
/* These are for your use */
|
|
s9xcommand_t S9xGetPortCommandT(const char *name);
|
|
char *S9xGetPortCommandName(s9xcommand_t command);
|
|
void S9xSetupDefaultKeymap(void);
|
|
bool8 S9xMapInput(const char *name, s9xcommand_t *cmd);
|
|
|
|
|
|
/*******
|
|
* These functions are called from snes9x into this subsystem. No need to use
|
|
* them from a port.
|
|
*/
|
|
|
|
/* Use when resetting snes9x */
|
|
void S9xControlsReset(void);
|
|
void S9xControlsSoftReset(void);
|
|
|
|
/* Use when writing to $4016 */
|
|
void S9xSetJoypadLatch(bool latch);
|
|
|
|
/* Use when reading $4016/7 (JOYSER0 and JOYSER1) */
|
|
uint8 S9xReadJOYSERn(int n);
|
|
|
|
/* End-Of-Frame processing. Sets gun latch variables and tries to draw
|
|
* crosshairs */
|
|
void S9xControlEOF(void);
|
|
|
|
struct SControlSnapshot {
|
|
uint8 ver;
|
|
uint8 port1_read_idx[2];
|
|
uint8 dummy1[4]; // for future expansion
|
|
uint8 port2_read_idx[2];
|
|
uint8 dummy2[4];
|
|
uint8 mouse_speed[2];
|
|
uint8 justifier_select;
|
|
uint8 dummy3[8];
|
|
bool8 pad_read, pad_read_last;
|
|
uint8 internal[60]; // yes, we need to save this!
|
|
};
|
|
|
|
void S9xControlPreSave(struct SControlSnapshot *s);
|
|
void S9xControlPostLoad(struct SControlSnapshot *s);
|
|
|
|
#endif
|