furnace/src/engine/platform/sound/nes/mmc5.h
tildearrow ad8437e5ae this is why I don't use tabs
in one editor it's 8 spaces, in another it's 2...
spaces on the other hand are the same regardless of editor
2025-03-06 23:23:46 -05:00

81 lines
2.2 KiB
C

/*
* Copyright (C) 2010-2019 Fabio Cavallo (aka FHorse)
*
* 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 MAPPER_MMC5_H_
#define MAPPER_MMC5_H_
#include "apu.h"
#if defined (__cplusplus)
#define EXTERNC extern "C"
#else
#define EXTERNC
#endif
EXTERNC struct _mmc5 {
BYTE prg_mode;
BYTE chr_mode;
BYTE ext_mode;
BYTE nmt_mode[4];
BYTE prg_ram_write[2];
BYTE prg_bank[4];
uint32_t prg_ram_bank[4][2];
BYTE chr_last;
WORD chr_high;
WORD chr_s[8];
WORD chr_b[4];
BYTE ext_ram[0x400];
BYTE fill_table[0x400];
BYTE fill_tile;
BYTE fill_attr;
BYTE split;
BYTE split_st_tile;
BYTE split_side;
BYTE split_scrl;
BYTE split_in_reg;
BYTE split_x;
BYTE split_y;
WORD split_tile;
uint32_t split_bank;
BYTE factor[2];
WORD product;
_apuSquare S3, S4;
struct _mmc5_pcm {
BYTE enabled;
BYTE output;
BYTE amp;
} pcm;
BYTE filler[50];
/* ------------------------------------------------------- */
/* questi valori non e' necessario salvarli nei savestates */
/* ------------------------------------------------------- */
/* */ BYTE clocked; /* */
/* ------------------------------------------------------- */
};
EXTERNC void map_init_MMC5(struct _mmc5* mmc5);
EXTERNC void extcl_cpu_wr_mem_MMC5(struct _mmc5* mmc5, WORD address, BYTE value);
EXTERNC void extcl_length_clock_MMC5(struct _mmc5* mmc5);
EXTERNC void extcl_envelope_clock_MMC5(struct _mmc5* mmc5);
EXTERNC void extcl_apu_tick_MMC5(struct _mmc5* mmc5);
#undef EXTERNC
#endif /* MAPPER_MMC5_H_ */