569285794b
For the git migration we want a nice clean repository with UNIX line endings. git does not use svn:eol-style, we just need the file contents to be sane. Sorry everybody. I know this messes up blame. Scumbag *NIX developer says migrating to git will make line ending issues go away; commits giant change to svn which changes line endings anyway. :) git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30924 a1c6a512-1295-4272-9138-f99709370657
164 lines
4.2 KiB
C
164 lines
4.2 KiB
C
#ifndef _EMU2413_H_
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#define _EMU2413_H_
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#include "blargg_common.h"
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#include "emutypes.h"
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#ifdef EMU2413_DLL_EXPORTS
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#define EMU2413_API __declspec(dllexport)
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#elif defined(EMU2413_DLL_IMPORTS)
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#define EMU2413_API __declspec(dllimport)
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#else
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#define EMU2413_API
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define AUDIO_MONO_BUFFER_SIZE 1024
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#define PI 3.14159265358979323846
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enum OPLL_TONE_ENUM {OPLL_2413_TONE=0, OPLL_VRC7_TONE=1, OPLL_281B_TONE=2} ;
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/* voice data */
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typedef struct __OPLL_PATCH {
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e_uint32 TL,FB,EG,ML,AR,DR,SL,RR,KR,KL,AM,PM,WF ;
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} OPLL_PATCH ;
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/* slot */
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typedef struct __OPLL_SLOT {
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OPLL_PATCH *patch;
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e_int32 type ; /* 0 : modulator 1 : carrier */
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/* OUTPUT */
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e_int32 feedback ;
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e_int32 output[2] ; /* Output value of slot */
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/* for Phase Generator (PG) */
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e_uint16 *sintbl ; /* Wavetable */
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e_uint32 phase ; /* Phase */
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e_uint32 dphase ; /* Phase increment amount */
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e_uint32 pgout ; /* output */
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/* for Envelope Generator (EG) */
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e_int32 fnum ; /* F-Number */
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e_int32 block ; /* Block */
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e_int32 volume ; /* Current volume */
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e_int32 sustine ; /* Sustine 1 = ON, 0 = OFF */
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e_uint32 tll ; /* Total Level + Key scale level*/
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e_uint32 rks ; /* Key scale offset (Rks) */
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e_int32 eg_mode ; /* Current state */
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e_uint32 eg_phase ; /* Phase */
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e_uint32 eg_dphase ; /* Phase increment amount */
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e_uint32 egout ; /* output */
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} OPLL_SLOT ;
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/* Mask */
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#define OPLL_MASK_CH(x) (1<<(x))
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#define OPLL_MASK_HH (1<<(9))
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#define OPLL_MASK_CYM (1<<(10))
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#define OPLL_MASK_TOM (1<<(11))
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#define OPLL_MASK_SD (1<<(12))
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#define OPLL_MASK_BD (1<<(13))
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#define OPLL_MASK_RHYTHM ( OPLL_MASK_HH | OPLL_MASK_CYM | OPLL_MASK_TOM | OPLL_MASK_SD | OPLL_MASK_BD )
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/* opll */
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typedef struct __OPLL {
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e_uint32 adr ;
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e_int32 out ;
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#ifndef EMU2413_COMPACTION
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e_uint32 realstep ;
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e_uint32 oplltime ;
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e_uint32 opllstep ;
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e_int32 prev, next ;
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e_int32 sprev[2],snext[2];
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e_uint32 pan[16];
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#endif
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/* Register */
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e_uint8 reg[0x40] ;
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e_int32 slot_on_flag[18] ;
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/* Pitch Modulator */
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e_uint32 pm_phase ;
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e_int32 lfo_pm ;
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/* Amp Modulator */
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e_int32 am_phase ;
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e_int32 lfo_am ;
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e_uint32 quality;
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/* Noise Generator */
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e_uint32 noise_seed ;
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/* Channel Data */
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e_int32 patch_number[9];
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e_int32 key_status[9] ;
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/* Slot */
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OPLL_SLOT slot[18] ;
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/* Voice Data */
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OPLL_PATCH patch[19*2] ;
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e_int32 patch_update[2] ; /* flag for check patch update */
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e_uint32 mask ;
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e_uint32 current_mask;
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e_uint32 status;
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e_uint32 internal_mute;
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e_int16 buffer[AUDIO_MONO_BUFFER_SIZE];
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} OPLL ;
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/* Create Object */
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EMU2413_API void OPLL_new(OPLL *, e_uint32 clk, e_uint32 rate) ;
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EMU2413_API void OPLL_delete(OPLL *) ;
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/* Setup */
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EMU2413_API void OPLL_reset(OPLL *) ;
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EMU2413_API void OPLL_reset_patch(OPLL *, e_int32) ;
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EMU2413_API void OPLL_set_rate(OPLL *opll, e_uint32 r) ;
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EMU2413_API void OPLL_set_quality(OPLL *opll, e_uint32 q) ;
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EMU2413_API void OPLL_set_pan(OPLL *, e_uint32 ch, e_uint32 pan);
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EMU2413_API void OPLL_set_internal_mute(OPLL *, e_uint32 mute);
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EMU2413_API e_uint32 OPLL_is_internal_muted(OPLL *);
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/* Port/Register access */
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EMU2413_API void OPLL_writeIO(OPLL *, e_uint32 reg, e_uint32 val);
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EMU2413_API void OPLL_writeReg(OPLL *, e_uint32 reg, e_uint32 val);
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EMU2413_API e_uint32 OPLL_read(OPLL *, e_uint32 port);
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/* Synthsize */
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EMU2413_API e_int16 OPLL_calc(OPLL *) EMU2413_CALC_ICODE;
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EMU2413_API void OPLL_calc_stereo(OPLL *, e_int32 out[2]) ;
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EMU2413_API e_int16 *OPLL_update_buffer(OPLL *, e_uint32 length) ;
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/* Misc */
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EMU2413_API void OPLL_setPatch(OPLL *, const e_uint8 *dump) ;
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EMU2413_API void OPLL_copyPatch(OPLL *, e_int32, OPLL_PATCH *) ;
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EMU2413_API void OPLL_forceRefresh(OPLL *) ;
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/* Utility */
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EMU2413_API void OPLL_dump2patch(const e_uint8 *dump, OPLL_PATCH *patch) ;
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EMU2413_API void OPLL_patch2dump(const OPLL_PATCH *patch, e_uint8 *dump) ;
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EMU2413_API void OPLL_getDefaultPatch(e_int32 type, e_int32 num, OPLL_PATCH *) ;
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/* Channel Mask */
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EMU2413_API e_uint32 OPLL_setMask(OPLL *, e_uint32 mask) ;
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EMU2413_API e_uint32 OPLL_toggleMask(OPLL *, e_uint32 mask) ;
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#define dump2patch OPLL_dump2patch
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#ifdef __cplusplus
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}
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#endif
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#endif
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