Genesis-Plus-GX/source/sound/eq.h
ekeeke31 ab4638144c [Core/VDP]
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* added support for Master System compatibility mode (Z80 ports access mode), incl. Mode 5 rendering.
* added Mode 4 rendering for both Genesis & Master System modes.
* added alternate BG planes rendering functions (should be faster on PPC architectures).

[Core/IO]
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* added support for Master System compatibility mode (Z80 ports access mode).
* added Master System peripherals emulation (Control Pad, Paddle, Sports Pad & Light Phaser).
* added XE-1AP (analog controller) emulation.
* added Activator emulation.

[Core/Extra]
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* added support for all known Master System cartridge mappers.
* added copy-protection hardware emulation for a few MD unlicensed games: fixes 777 Casino (crash when talking to bunny girls).
(NB: most of those unlicensed games seem to have been already patched by ROM dumpers, main purpose is documenting them)
* added support for Top Shooter arcade board controller. (A=Shoot, B=Bet, C/RIGHT=Coins, START=Start, hold UP on startup to enter service mode)
* improved King of Fighters 98 mapper emulation (registers address decoding is now 100% accurate)
* fixed Game Genie when several codes affect same ROM address.
* fixed EEPROM types for Brian Lara Cricket & NBA Jam TE (verified on real cartridges)

[Core/General]
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* added Master System compatibility mode emulation (automatically enabled when loading ROM file with .sms extension).
* improved savestate stability & compatibility (support for old 1.4.x savestates is preserved)
* various code cleanup & comments.

[Gamecube/Wii]
---------------
* fixed cheat codes handling when several codes affect same ROM address.
* improved input controller detection on menu exit.
* improved key remapping dialog box to match emulated device
* changed Menu key for Gamecube controller to allow MODE button mapping
* fixed DVD not being unmounted on swap (memory leak)

[Wii only]
---------------
* added USB mouse support for Sega Mouse emulation
* compiled with latest libogc: improves USB compatibility & fixes stability issues with Wiimotes.
2011-03-31 22:11:05 +00:00

68 lines
1.5 KiB
C

//---------------------------------------------------------------------------
//
// 3 Band EQ :)
//
// EQ.H - Header file for 3 band EQ
//
// (c) Neil C / Etanza Systems / 2K6
//
// Shouts / Loves / Moans = etanza at lycos dot co dot uk
//
// This work is hereby placed in the public domain for all purposes, including
// use in commercial applications.
//
// The author assumes NO RESPONSIBILITY for any problems caused by the use of
// this software.
//
//----------------------------------------------------------------------------
#ifndef __EQ3BAND__
#define __EQ3BAND__
// ------------
//| Structures |
// ------------
typedef struct {
// Filter #1 (Low band)
double lf; // Frequency
double f1p0; // Poles ...
double f1p1;
double f1p2;
double f1p3;
// Filter #2 (High band)
double hf; // Frequency
double f2p0; // Poles ...
double f2p1;
double f2p2;
double f2p3;
// Sample history buffer
double sdm1; // Sample data minus 1
double sdm2; // 2
double sdm3; // 3
// Gain Controls
double lg; // low gain
double mg; // mid gain
double hg; // high gain
} EQSTATE;
// ---------
//| Exports |
// ---------
extern void init_3band_state(EQSTATE * es, int lowfreq, int highfreq,
int mixfreq);
extern double do_3band(EQSTATE * es, int sample);
#endif // #ifndef __EQ3BAND__