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adding ym2413

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squashed commits:
YM2413追加中
一通り実装したけどポートへの書き込み方が不明でまだ音が出ない
細かい修正（未テスト）
resetで初期化されるのをなんとかしたい
sound 初期化と終了を追加してみた
SN76496を参考にYM2413のアップデート方法を変更してみた
stereoフラグをアップデートサイズに変更
処理順番を整理したら音が出た
stateセーブに対応してみた
addition: Support for the Japanese Mark-III extended FM sound source unit
This commit is contained in:
hiroshica 2020-02-24 13:42:53 +09:00 • committed by kub
parent 7980d47767
commit a2f24bfa7b
17 changed files with 221 additions and 56 deletions
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11
pico/state.c
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@ -11,10 +11,12 @@
#include "../cpu/sh2/sh2.h"
#include "sound/ym2612.h"
#include "sound/emu2413/emu2413.h"
#include "state.h"
// sn76496
// sn76496 & ym2413
extern int *sn76496_regs;
extern OPLL old_opll;
static arearw *areaRead;
static arearw *areaWrite;
@ -123,6 +125,8 @@ typedef enum {
CHUNK_DRAM,
CHUNK_32XPAL,
CHUNK_32X_EVT,
CHUNK_YM2413, //40
//rename
CHUNK_32X_FIRST = CHUNK_MSH2,
CHUNK_32X_LAST = CHUNK_32X_EVT,
// add new stuff here
@ -133,6 +137,7 @@ typedef enum {
//
CHUNK_DEFAULT_COUNT,
CHUNK_CARTHW_ = CHUNK_CARTHW, // 64 (defined in PicoInt)
} chunk_name_e;
static const char * const chunk_names[CHUNK_DEFAULT_COUNT] = {
@ -179,6 +184,7 @@ static const char * const chunk_names[CHUNK_DEFAULT_COUNT] = {
"DRAM",
"PAL",
"events",
"YM2413", //40
};
static int write_chunk(chunk_name_e name, int len, void *data, void *file)
@ -283,6 +289,8 @@ static int state_save(void *file)
memcpy(buff, pcd_event_times, sizeof(pcd_event_times));
CHECKED_WRITE(CHUNK_CD_EVT, 0x40, buff);
CHECKED_WRITE(CHUNK_YM2413, sizeof(OPLL), &old_opll);
len = gfx_context_save(buf2);
CHECKED_WRITE(CHUNK_CD_GFX, len, buf2);
len = cdc_context_save(buf2);
@ -442,6 +450,7 @@ static int state_load(void *file)
case CHUNK_IOPORTS: CHECKED_READ_BUFF(PicoMem.ioports); break;
case CHUNK_PSG: CHECKED_READ2(28*4, sn76496_regs); break;
case CHUNK_YM2413: CHECKED_READ2(sizeof(OPLL), &old_opll); break;
case CHUNK_FM:
ym2612_regs = YM2612GetRegs();
CHECKED_READ2(0x200+4, ym2612_regs);