mirror of
https://github.com/ekeeke/Genesis-Plus-GX.git
synced 2024-11-12 13:55:07 +01:00
a4cfc2a77a
--------------- * improved VBLANK flag accuracy, as observed on real hardware. * improved DMA operations accuracy, writes are now performed on a scanline basis: fixes Gaiares (flickering title screen). * improved DMA Fill timing accuracy. * fixed DMA with bad code values: fixes Williams Arcade Classics (corrupted gfx after soft reset). * fixed horizontal resolution changes during HBLANK: fixes Bugs Bunny in Double Trouble (2nd stage). * fixed Vertical Counter in interlace mode 1, as observed on real hardware. * fixed horizontal border width, as observed on real hardware. * various code improvments & optimizations. [Core/Extra] --------------- * improved savestate format: added DMA, SVP, cartridge mapping & internal registers state informations * improved unlicensed ROM mappers emulation * added Chinese Fighters III mapper support * added Top Fighter mapper support * fixed Barver Battle Saga mapper support * fixed cartridge hardware soft-reset (Game Genie, SVP, ...) * fixed Game Genie registers byte reads
39 lines
1.7 KiB
C
39 lines
1.7 KiB
C
/***************************************************************************************
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* Genesis Plus
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*
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* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Charles Mac Donald (original code)
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* Eke-Eke (2007,2008,2009), additional code & fixes for the GCN/Wii port
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Sound Hardware
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****************************************************************************************/
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#ifndef _SOUND_H_
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#define _SOUND_H_
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/* Function prototypes */
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extern void sound_init(void);
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extern void sound_reset(void);
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extern int sound_context_save(uint8 *state);
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extern int sound_context_load(uint8 *state, char *version);
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extern int sound_update(unsigned int cycles);
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extern void fm_reset(unsigned int cycles);
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extern void fm_write(unsigned int cycles, unsigned int address, unsigned int data);
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extern unsigned int fm_read(unsigned int cycles, unsigned int address);
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extern void psg_write(unsigned int cycles, unsigned int data);
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#endif /* _SOUND_H_ */
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