mirror of
https://github.com/libretro/beetle-pce-fast-libretro.git
synced 2024-11-26 17:40:40 +00:00
Integrate pce.cpp into libretro.cpp
This commit is contained in:
twinaphex
parent
25625c5d95
commit
9039984b3b
1
Makefile
1
Makefile
@ -43,7 +43,6 @@ CORE_SOURCES := \
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$(CORE_DIR)/huc.cpp \
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$(CORE_DIR)/huc6280.cpp \
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$(CORE_DIR)/input.cpp \
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$(CORE_DIR)/pce.cpp \
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$(CORE_DIR)/pcecd.cpp \
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$(CORE_DIR)/pcecd_drive.cpp \
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$(CORE_DIR)/psg.cpp \
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@ -47,7 +47,6 @@ CORE_DIR := $(MEDNAFEN_DIR)/pce_fast
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CORE_SOURCES := $(CORE_DIR)/huc.cpp \
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$(CORE_DIR)/huc6280.cpp \
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$(CORE_DIR)/input.cpp \
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$(CORE_DIR)/pce.cpp \
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$(CORE_DIR)/pcecd.cpp \
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$(CORE_DIR)/pcecd_drive.cpp \
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$(CORE_DIR)/psg.cpp \
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693
libretro.cpp
693
libretro.cpp
@ -1,11 +1,702 @@
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#include "mednafen/mednafen.h"
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#include "mednafen/mempatcher.h"
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#include "mednafen/git.h"
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#include "mednafen/general.h"
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#include "mednafen/md5.h"
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#include "libretro.h"
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#include "thread.h"
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#include "mednafen/pce_fast/pce.h"
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#include "mednafen/pce_fast/vdc.h"
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#include "mednafen/pce_fast/psg.h"
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#include "mednafen/pce_fast/input.h"
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#include "mednafen/pce_fast/huc.h"
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#include "mednafen/pce_fast/pcecd.h"
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#include "mednafen/pce_fast/pcecd_drive.h"
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#include "mednafen/hw_misc/arcade_card/arcade_card.h"
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#include "mednafen/mempatcher.h"
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#include "mednafen/cdrom/cdromif.h"
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/* Mednafen - Multi-system Emulator
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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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extern "C" unsigned long crc32(unsigned long crc, const unsigned char *buf, unsigned int len);
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namespace PCE_Fast
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{
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static PCEFast_PSG *psg = NULL;
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extern ArcadeCard *arcade_card; // Bah, lousy globals.
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static Blip_Buffer sbuf[2];
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bool PCE_ACEnabled;
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static bool IsSGX;
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static bool IsHES;
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int pce_overclocked;
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// Statically allocated for speed...or something.
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uint8 ROMSpace[0x88 * 8192 + 8192]; // + 8192 for PC-as-pointer safety padding
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uint8 BaseRAM[32768 + 8192]; // 8KB for PCE, 32KB for Super Grafx // + 8192 for PC-as-pointer safety padding
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uint8 PCEIODataBuffer;
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readfunc PCERead[0x100];
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writefunc PCEWrite[0x100];
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static DECLFR(PCEBusRead)
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{
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//printf("BUS Read: %02x %04x\n", A >> 13, A);
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return(0xFF);
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}
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static DECLFW(PCENullWrite)
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{
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//printf("Null Write: %02x, %08x %02x\n", A >> 13, A, V);
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}
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static DECLFR(BaseRAMReadSGX)
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{
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return((BaseRAM - (0xF8 * 8192))[A]);
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}
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static DECLFW(BaseRAMWriteSGX)
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{
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(BaseRAM - (0xF8 * 8192))[A] = V;
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}
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static DECLFR(BaseRAMRead)
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{
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return((BaseRAM - (0xF8 * 8192))[A]);
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}
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static DECLFR(BaseRAMRead_Mirrored)
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{
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return(BaseRAM[A & 0x1FFF]);
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}
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static DECLFW(BaseRAMWrite)
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{
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(BaseRAM - (0xF8 * 8192))[A] = V;
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}
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static DECLFW(BaseRAMWrite_Mirrored)
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{
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BaseRAM[A & 0x1FFF] = V;
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}
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static DECLFR(IORead)
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{
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#define IOREAD_SGX 0
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#include "mednafen/pce_fast/ioread.inc"
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#undef IOREAD_SGX
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}
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static DECLFR(IOReadSGX)
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{
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#define IOREAD_SGX 1
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#include "mednafen/pce_fast/ioread.inc"
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#undef IOREAD_SGX
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}
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static DECLFW(IOWrite)
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{
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A &= 0x1FFF;
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switch(A >> 10)
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{
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case 0: HuC6280_StealCycle();
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VDC_Write(A, V);
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break;
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case 1: HuC6280_StealCycle();
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VCE_Write(A, V);
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break;
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case 2: PCEIODataBuffer = V;
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psg->Write(HuCPU.timestamp / pce_overclocked, A, V);
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break;
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case 3: PCEIODataBuffer = V;
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HuC6280_TimerWrite(A, V);
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break;
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case 4: PCEIODataBuffer = V; INPUT_Write(A, V); break;
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case 5: PCEIODataBuffer = V; HuC6280_IRQStatusWrite(A, V); break;
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case 6:
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if(!PCE_IsCD)
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break;
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if((A & 0x1E00) == 0x1A00)
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{
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if(arcade_card)
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arcade_card->Write(A & 0x1FFF, V);
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}
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else
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{
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PCECD_Write(HuCPU.timestamp * 3, A, V);
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}
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break;
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case 7: break; // Expansion.
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}
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}
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static void PCECDIRQCB(bool asserted)
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{
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if(asserted)
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HuC6280_IRQBegin(MDFN_IQIRQ2);
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else
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HuC6280_IRQEnd(MDFN_IQIRQ2);
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}
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bool PCE_InitCD(void)
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{
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PCECD_Settings cd_settings;
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memset(&cd_settings, 0, sizeof(PCECD_Settings));
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cd_settings.CDDA_Volume = (double)MDFN_GetSettingUI("pce_fast.cddavolume") / 100;
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cd_settings.CD_Speed = MDFN_GetSettingUI("pce_fast.cdspeed");
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cd_settings.ADPCM_Volume = (double)MDFN_GetSettingUI("pce_fast.adpcmvolume") / 100;
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cd_settings.ADPCM_LPF = MDFN_GetSettingB("pce_fast.adpcmlp");
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if(cd_settings.CDDA_Volume != 1.0)
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MDFN_printf(_("CD-DA Volume: %d%%\n"), (int)(100 * cd_settings.CDDA_Volume));
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if(cd_settings.ADPCM_Volume != 1.0)
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MDFN_printf(_("ADPCM Volume: %d%%\n"), (int)(100 * cd_settings.ADPCM_Volume));
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return(PCECD_Init(&cd_settings, PCECDIRQCB, PCE_MASTER_CLOCK, pce_overclocked, &sbuf[0], &sbuf[1]));
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}
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static int LoadCommon(void);
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static void LoadCommonPre(void);
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static bool TestMagic(const char *name, MDFNFILE *fp)
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{
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if(memcmp(GET_FDATA_PTR(fp), "HESM", 4) && strcasecmp(GET_FEXTS_PTR(fp), "pce") && strcasecmp(GET_FEXTS_PTR(fp), "sgx"))
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return(FALSE);
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return(TRUE);
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}
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static int Load(const char *name, MDFNFILE *fp)
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{
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uint32 headerlen = 0;
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uint32 r_size;
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IsHES = 0;
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IsSGX = 0;
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if(!memcmp(GET_FDATA_PTR(fp), "HESM", 4))
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IsHES = 1;
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LoadCommonPre();
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if(!IsHES)
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{
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if(GET_FSIZE_PTR(fp) & 0x200) // 512 byte header!
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headerlen = 512;
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}
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r_size = GET_FSIZE_PTR(fp) - headerlen;
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if(r_size > 4096 * 1024) r_size = 4096 * 1024;
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for(int x = 0; x < 0x100; x++)
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{
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PCERead[x] = PCEBusRead;
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PCEWrite[x] = PCENullWrite;
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}
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uint32 crc = crc32(0, GET_FDATA_PTR(fp) + headerlen, GET_FSIZE_PTR(fp) - headerlen);
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HuCLoad(GET_FDATA_PTR(fp) + headerlen, GET_FSIZE_PTR(fp) - headerlen, crc);
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if(!strcasecmp(GET_FEXTS_PTR(fp), "sgx"))
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IsSGX = TRUE;
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if(GET_FSIZE_PTR(fp) >= 8192 && !memcmp(GET_FDATA_PTR(fp) + headerlen, "DARIUS Version 1.11b", strlen("DARIUS VERSION 1.11b")))
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{
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MDFN_printf("SuperGfx: Darius Plus\n");
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IsSGX = 1;
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}
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if(crc == 0x4c2126b0)
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{
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MDFN_printf("SuperGfx: Aldynes\n");
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IsSGX = 1;
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}
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if(crc == 0x8c4588e2)
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{
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MDFN_printf("SuperGfx: 1941 - Counter Attack\n");
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IsSGX = 1;
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}
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if(crc == 0x1f041166)
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{
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MDFN_printf("SuperGfx: Madouou Granzort\n");
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IsSGX = 1;
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}
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if(crc == 0xb486a8ed)
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{
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MDFN_printf("SuperGfx: Daimakaimura\n");
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IsSGX = 1;
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}
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if(crc == 0x3b13af61)
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{
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MDFN_printf("SuperGfx: Battle Ace\n");
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IsSGX = 1;
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}
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return(LoadCommon());
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}
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static void LoadCommonPre(void)
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{
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// FIXME: Make these globals less global!
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pce_overclocked = MDFN_GetSettingUI("pce_fast.ocmultiplier");
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PCE_ACEnabled = MDFN_GetSettingB("pce_fast.arcadecard");
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if(pce_overclocked > 1)
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MDFN_printf(_("CPU overclock: %dx\n"), pce_overclocked);
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if(MDFN_GetSettingUI("pce_fast.cdspeed") > 1)
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MDFN_printf(_("CD-ROM speed: %ux\n"), (unsigned int)MDFN_GetSettingUI("pce_fast.cdspeed"));
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memset(HuCPUFastMap, 0, sizeof(HuCPUFastMap));
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for(int x = 0; x < 0x100; x++)
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{
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PCERead[x] = PCEBusRead;
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PCEWrite[x] = PCENullWrite;
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}
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MDFNMP_Init(1024, (1 << 21) / 1024);
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}
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static int LoadCommon(void)
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{
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IsSGX |= MDFN_GetSettingB("pce_fast.forcesgx") ? 1 : 0;
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if(IsHES)
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IsSGX = 1;
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// Don't modify IsSGX past this point.
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VDC_Init(IsSGX);
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if(IsSGX)
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{
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MDFN_printf("SuperGrafx Emulation Enabled.\n");
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PCERead[0xF8] = PCERead[0xF9] = PCERead[0xFA] = PCERead[0xFB] = BaseRAMReadSGX;
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PCEWrite[0xF8] = PCEWrite[0xF9] = PCEWrite[0xFA] = PCEWrite[0xFB] = BaseRAMWriteSGX;
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for(int x = 0xf8; x < 0xfb; x++)
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HuCPUFastMap[x] = BaseRAM - 0xf8 * 8192;
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PCERead[0xFF] = IOReadSGX;
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}
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else
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{
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PCERead[0xF8] = BaseRAMRead;
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PCERead[0xF9] = PCERead[0xFA] = PCERead[0xFB] = BaseRAMRead_Mirrored;
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PCEWrite[0xF8] = BaseRAMWrite;
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PCEWrite[0xF9] = PCEWrite[0xFA] = PCEWrite[0xFB] = BaseRAMWrite_Mirrored;
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for(int x = 0xf8; x < 0xfb; x++)
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HuCPUFastMap[x] = BaseRAM - x * 8192;
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PCERead[0xFF] = IORead;
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}
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MDFNMP_AddRAM(IsSGX ? 32768 : 8192, 0xf8 * 8192, BaseRAM);
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PCEWrite[0xFF] = IOWrite;
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HuC6280_Init();
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psg = new PCEFast_PSG(&sbuf[0], &sbuf[1]);
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psg->SetVolume(1.0);
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if(PCE_IsCD)
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{
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unsigned int cdpsgvolume = MDFN_GetSettingUI("pce_fast.cdpsgvolume");
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if(cdpsgvolume != 100)
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{
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MDFN_printf(_("CD PSG Volume: %d%%\n"), cdpsgvolume);
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}
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psg->SetVolume(0.678 * cdpsgvolume / 100);
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}
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PCEINPUT_Init();
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PCE_Power();
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MDFNGameInfo->LayerNames = IsSGX ? "BG0\0SPR0\0BG1\0SPR1\0" : "Background\0Sprites\0";
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MDFNGameInfo->fps = (uint32)((double)7159090.90909090 / 455 / 263 * 65536 * 256);
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// Clean this up:
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if(!MDFN_GetSettingB("pce_fast.correct_aspect"))
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MDFNGameInfo->fb_width = 682;
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if(!IsHES)
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{
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MDFNGameInfo->nominal_width = MDFN_GetSettingB("pce_fast.correct_aspect") ? 288 : 341;
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MDFNGameInfo->nominal_height = MDFN_GetSettingUI("pce_fast.slend") - MDFN_GetSettingUI("pce_fast.slstart") + 1;
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MDFNGameInfo->lcm_width = MDFN_GetSettingB("pce_fast.correct_aspect") ? 1024 : 341;
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MDFNGameInfo->lcm_height = MDFNGameInfo->nominal_height;
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}
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return(1);
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}
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static bool TestMagicCD(std::vector<CDIF *> *CDInterfaces)
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{
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static const uint8 magic_test[0x20] = { 0x82, 0xB1, 0x82, 0xCC, 0x83, 0x76, 0x83, 0x8D, 0x83, 0x4F, 0x83, 0x89, 0x83, 0x80, 0x82, 0xCC,
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0x92, 0x98, 0x8D, 0xEC, 0x8C, 0xA0, 0x82, 0xCD, 0x8A, 0x94, 0x8E, 0xAE, 0x89, 0xEF, 0x8E, 0xD0
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};
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uint8 sector_buffer[2048];
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CDIF *cdiface = (*CDInterfaces)[0];
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CDUtility::TOC toc;
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bool ret = FALSE;
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memset(sector_buffer, 0, sizeof(sector_buffer));
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cdiface->ReadTOC(&toc);
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for(int32 track = toc.first_track; track <= toc.last_track; track++)
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{
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if(toc.tracks[track].control & 0x4)
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{
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cdiface->ReadSector(sector_buffer, toc.tracks[track].lba, 1);
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if(!memcmp((char*)sector_buffer, (char *)magic_test, 0x20))
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ret = TRUE;
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// PCE CD BIOS apparently only looks at the first data track.
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break;
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}
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}
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// If it's a PC-FX CD(Battle Heat), return false.
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// This is very kludgy.
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for(int32 track = toc.first_track; track <= toc.last_track; track++)
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{
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if(toc.tracks[track].control & 0x4)
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{
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cdiface->ReadSector(sector_buffer, toc.tracks[track].lba, 1);
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if(!strncmp("PC-FX:Hu_CD-ROM", (char*)sector_buffer, strlen("PC-FX:Hu_CD-ROM")))
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{
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return(false);
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}
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}
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}
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// Now, test for the Games Express CD games. The GE BIOS seems to always look at sector 0x10, but only if the first track is a
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// data track.
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if(toc.first_track == 1 && (toc.tracks[1].control & 0x4))
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{
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if(cdiface->ReadSector(sector_buffer, 0x10, 1))
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{
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if(!memcmp((char *)sector_buffer + 0x8, "HACKER CD ROM SYSTEM", 0x14))
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{
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ret = TRUE;
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}
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}
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}
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return(ret);
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}
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static int LoadCD(std::vector<CDIF *> *CDInterfaces)
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{
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std::string bios_path = MDFN_MakeFName(MDFNMKF_FIRMWARE, 0, MDFN_GetSettingS("pce_fast.cdbios").c_str() );
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IsHES = 0;
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IsSGX = 0;
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LoadCommonPre();
|
||||
|
||||
if(!HuCLoadCD(bios_path.c_str()))
|
||||
return(0);
|
||||
|
||||
PCECD_Drive_SetDisc(true, NULL, true);
|
||||
PCECD_Drive_SetDisc(false, (*CDInterfaces)[0], true);
|
||||
|
||||
return(LoadCommon());
|
||||
}
|
||||
|
||||
|
||||
static void CloseGame(void)
|
||||
{
|
||||
{
|
||||
HuCClose();
|
||||
}
|
||||
VDC_Close();
|
||||
if(psg)
|
||||
{
|
||||
delete psg;
|
||||
psg = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
static void Emulate(EmulateSpecStruct *espec)
|
||||
{
|
||||
INPUT_Frame();
|
||||
|
||||
MDFNMP_ApplyPeriodicCheats();
|
||||
|
||||
#if 0
|
||||
{
|
||||
static bool firstcat = true;
|
||||
MDFN_PixelFormat nf;
|
||||
|
||||
nf.bpp = 16;
|
||||
nf.colorspace = MDFN_COLORSPACE_RGB;
|
||||
nf.Rshift = 11;
|
||||
nf.Gshift = 5;
|
||||
nf.Bshift = 0;
|
||||
nf.Ashift = 16;
|
||||
|
||||
nf.Rprec = 5;
|
||||
nf.Gprec = 6;
|
||||
nf.Bprec = 5;
|
||||
nf.Aprec = 8;
|
||||
|
||||
espec->surface->SetFormat(nf, false);
|
||||
espec->VideoFormatChanged = firstcat;
|
||||
firstcat = false;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if 0
|
||||
static bool firstcat = true;
|
||||
|
||||
MDFN_PixelFormat tmp_pf;
|
||||
|
||||
tmp_pf.Rshift = 0;
|
||||
tmp_pf.Gshift = 0;
|
||||
tmp_pf.Bshift = 0;
|
||||
tmp_pf.Ashift = 8;
|
||||
|
||||
tmp_pf.Rprec = 0;
|
||||
tmp_pf.Gprec = 0;
|
||||
tmp_pf.Bprec = 0;
|
||||
tmp_pf.Aprec = 0;
|
||||
|
||||
tmp_pf.bpp = 8;
|
||||
tmp_pf.colorspace = MDFN_COLORSPACE_RGB;
|
||||
|
||||
espec->surface->SetFormat(tmp_pf, false);
|
||||
espec->VideoFormatChanged = firstcat;
|
||||
firstcat = false;
|
||||
#endif
|
||||
|
||||
if(espec->VideoFormatChanged)
|
||||
VDC_SetPixelFormat(espec->surface->format); //.Rshift, espec->surface->format.Gshift, espec->surface->format.Bshift);
|
||||
|
||||
if(espec->SoundFormatChanged)
|
||||
{
|
||||
for(int y = 0; y < 2; y++)
|
||||
{
|
||||
sbuf[y].set_sample_rate(espec->SoundRate ? espec->SoundRate : 44100, 50);
|
||||
sbuf[y].clock_rate((long)(PCE_MASTER_CLOCK / 3));
|
||||
sbuf[y].bass_freq(10);
|
||||
}
|
||||
}
|
||||
VDC_RunFrame(espec, IsHES);
|
||||
|
||||
if(PCE_IsCD)
|
||||
{
|
||||
PCECD_Run(HuCPU.timestamp * 3);
|
||||
}
|
||||
|
||||
psg->EndFrame(HuCPU.timestamp / pce_overclocked);
|
||||
|
||||
if(espec->SoundBuf)
|
||||
{
|
||||
for(int y = 0; y < 2; y++)
|
||||
{
|
||||
sbuf[y].end_frame(HuCPU.timestamp / pce_overclocked);
|
||||
espec->SoundBufSize = sbuf[y].read_samples(espec->SoundBuf + y, espec->SoundBufMaxSize, 1);
|
||||
}
|
||||
}
|
||||
|
||||
espec->MasterCycles = HuCPU.timestamp * 3;
|
||||
|
||||
INPUT_FixTS();
|
||||
|
||||
HuC6280_ResetTS();
|
||||
|
||||
if(PCE_IsCD)
|
||||
PCECD_ResetTS();
|
||||
}
|
||||
|
||||
static int StateAction(StateMem *sm, int load, int data_only)
|
||||
{
|
||||
SFORMAT StateRegs[] =
|
||||
{
|
||||
SFARRAY(BaseRAM, IsSGX? 32768 : 8192),
|
||||
SFVAR(PCEIODataBuffer),
|
||||
SFEND
|
||||
};
|
||||
|
||||
//for(int i = 8192; i < 32768; i++)
|
||||
// if(BaseRAM[i] != 0xFF)
|
||||
// printf("%d %02x\n", i, BaseRAM[i]);
|
||||
|
||||
int ret = MDFNSS_StateAction(sm, load, data_only, StateRegs, "MAIN");
|
||||
|
||||
ret &= HuC6280_StateAction(sm, load, data_only);
|
||||
ret &= VDC_StateAction(sm, load, data_only);
|
||||
ret &= psg->StateAction(sm, load, data_only);
|
||||
ret &= INPUT_StateAction(sm, load, data_only);
|
||||
ret &= HuC_StateAction(sm, load, data_only);
|
||||
|
||||
if(load)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
return(ret);
|
||||
}
|
||||
|
||||
void PCE_Power(void)
|
||||
{
|
||||
memset(BaseRAM, 0x00, sizeof(BaseRAM));
|
||||
|
||||
if(!IsSGX)
|
||||
for(int i = 8192; i < 32768; i++)
|
||||
BaseRAM[i] = 0xFF;
|
||||
|
||||
PCEIODataBuffer = 0xFF;
|
||||
|
||||
HuC6280_Power();
|
||||
VDC_Power();
|
||||
psg->Power(HuCPU.timestamp / pce_overclocked);
|
||||
HuC_Power();
|
||||
|
||||
if(PCE_IsCD)
|
||||
{
|
||||
PCECD_Power(HuCPU.timestamp * 3);
|
||||
}
|
||||
}
|
||||
|
||||
static void DoSimpleCommand(int cmd)
|
||||
{
|
||||
switch(cmd)
|
||||
{
|
||||
case MDFN_MSC_RESET: PCE_Power(); break;
|
||||
case MDFN_MSC_POWER: PCE_Power(); break;
|
||||
}
|
||||
}
|
||||
|
||||
static MDFNSetting PCESettings[] =
|
||||
{
|
||||
{ "pce_fast.correct_aspect", MDFNSF_CAT_VIDEO, gettext_noop("Correct the aspect ratio."), NULL, MDFNST_BOOL, "1" },
|
||||
{ "pce_fast.slstart", MDFNSF_NOFLAGS, gettext_noop("First rendered scanline."), NULL, MDFNST_UINT, "4", "0", "239" },
|
||||
{ "pce_fast.slend", MDFNSF_NOFLAGS, gettext_noop("Last rendered scanline."), NULL, MDFNST_UINT, "235", "0", "239" },
|
||||
{ "pce_fast.mouse_sensitivity", MDFNSF_NOFLAGS, gettext_noop("Mouse sensitivity."), NULL, MDFNST_FLOAT, "0.50", NULL, NULL, NULL, PCEINPUT_SettingChanged },
|
||||
{ "pce_fast.disable_softreset", MDFNSF_NOFLAGS, gettext_noop("If set, when RUN+SEL are pressed simultaneously, disable both buttons temporarily."), NULL, MDFNST_BOOL, "0", NULL, NULL, NULL, PCEINPUT_SettingChanged },
|
||||
{ "pce_fast.forcesgx", MDFNSF_EMU_STATE | MDFNSF_UNTRUSTED_SAFE, gettext_noop("Force SuperGrafx emulation."), NULL, MDFNST_BOOL, "0" },
|
||||
{ "pce_fast.arcadecard", MDFNSF_EMU_STATE | MDFNSF_UNTRUSTED_SAFE, gettext_noop("Enable Arcade Card emulation."), NULL, MDFNST_BOOL, "1" },
|
||||
{ "pce_fast.ocmultiplier", MDFNSF_EMU_STATE | MDFNSF_UNTRUSTED_SAFE, gettext_noop("CPU overclock multiplier."), NULL, MDFNST_UINT, "1", "1", "100"},
|
||||
{ "pce_fast.cdspeed", MDFNSF_EMU_STATE | MDFNSF_UNTRUSTED_SAFE, gettext_noop("CD-ROM data transfer speed multiplier."), NULL, MDFNST_UINT, "1", "1", "100" },
|
||||
{ "pce_fast.nospritelimit", MDFNSF_NOFLAGS, gettext_noop("Remove 16-sprites-per-scanline hardware limit."), NULL, MDFNST_BOOL, "0" },
|
||||
|
||||
{ "pce_fast.cdbios", MDFNSF_EMU_STATE, gettext_noop("Path to the CD BIOS"), NULL, MDFNST_STRING, "syscard3.pce" },
|
||||
|
||||
{ "pce_fast.adpcmlp", MDFNSF_NOFLAGS, gettext_noop("Enable dynamic ADPCM lowpass filter."), NULL, MDFNST_BOOL, "0" },
|
||||
{ "pce_fast.cdpsgvolume", MDFNSF_NOFLAGS, gettext_noop("PSG volume when playing a CD game."), NULL, MDFNST_UINT, "100", "0", "200" },
|
||||
{ "pce_fast.cddavolume", MDFNSF_NOFLAGS, gettext_noop("CD-DA volume."), NULL, MDFNST_UINT, "100", "0", "200" },
|
||||
{ "pce_fast.adpcmvolume", MDFNSF_NOFLAGS, gettext_noop("ADPCM volume."), NULL, MDFNST_UINT, "100", "0", "200" },
|
||||
{ NULL }
|
||||
};
|
||||
|
||||
static uint8 MemRead(uint32 addr)
|
||||
{
|
||||
return(PCERead[(addr / 8192) & 0xFF](addr));
|
||||
}
|
||||
|
||||
static const FileExtensionSpecStruct KnownExtensions[] =
|
||||
{
|
||||
{ ".pce", gettext_noop("PC Engine ROM Image") },
|
||||
{ ".hes", gettext_noop("PC Engine Music Rip") },
|
||||
{ ".sgx", gettext_noop("SuperGrafx ROM Image") },
|
||||
{ NULL, NULL }
|
||||
};
|
||||
|
||||
};
|
||||
|
||||
MDFNGI EmulatedPCE_Fast =
|
||||
{
|
||||
"pce_fast",
|
||||
"PC Engine (CD)/TurboGrafx 16 (CD)/SuperGrafx",
|
||||
KnownExtensions,
|
||||
MODPRIO_INTERNAL_LOW,
|
||||
NULL,
|
||||
&PCEInputInfo,
|
||||
Load,
|
||||
TestMagic,
|
||||
LoadCD,
|
||||
TestMagicCD,
|
||||
CloseGame,
|
||||
VDC_SetLayerEnableMask,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL,
|
||||
MemRead,
|
||||
NULL,
|
||||
false,
|
||||
StateAction,
|
||||
Emulate,
|
||||
PCEINPUT_SetInput,
|
||||
DoSimpleCommand,
|
||||
PCESettings,
|
||||
MDFN_MASTERCLOCK_FIXED(PCE_MASTER_CLOCK),
|
||||
0,
|
||||
|
||||
true, // Multires possible?
|
||||
|
||||
0, // lcm_width
|
||||
0, // lcm_height
|
||||
NULL, // Dummy
|
||||
|
||||
288, // Nominal width
|
||||
232, // Nominal height
|
||||
|
||||
512, // Framebuffer width
|
||||
242, // Framebuffer height
|
||||
|
||||
2, // Number of output sound channels
|
||||
};
|
||||
|
||||
|
||||
|
||||
static MDFNGI *game;
|
||||
|
||||
struct retro_perf_callback perf_cb;
|
||||
|
||||
@ -1,690 +0,0 @@
|
||||
/* Mednafen - Multi-system Emulator
|
||||
*
|
||||
* 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
|
||||
*/
|
||||
|
||||
#include "pce.h"
|
||||
#include "vdc.h"
|
||||
#include "psg.h"
|
||||
#include "input.h"
|
||||
#include "huc.h"
|
||||
#include "pcecd.h"
|
||||
#include "pcecd_drive.h"
|
||||
#include "../hw_misc/arcade_card/arcade_card.h"
|
||||
#include "../mempatcher.h"
|
||||
#include "../cdrom/cdromif.h"
|
||||
|
||||
extern "C" unsigned long crc32(unsigned long crc, const unsigned char *buf, unsigned int len);
|
||||
|
||||
namespace PCE_Fast
|
||||
{
|
||||
|
||||
static PCEFast_PSG *psg = NULL;
|
||||
extern ArcadeCard *arcade_card; // Bah, lousy globals.
|
||||
|
||||
static Blip_Buffer sbuf[2];
|
||||
|
||||
bool PCE_ACEnabled;
|
||||
|
||||
static bool IsSGX;
|
||||
static bool IsHES;
|
||||
int pce_overclocked;
|
||||
|
||||
// Statically allocated for speed...or something.
|
||||
uint8 ROMSpace[0x88 * 8192 + 8192]; // + 8192 for PC-as-pointer safety padding
|
||||
|
||||
uint8 BaseRAM[32768 + 8192]; // 8KB for PCE, 32KB for Super Grafx // + 8192 for PC-as-pointer safety padding
|
||||
|
||||
uint8 PCEIODataBuffer;
|
||||
readfunc PCERead[0x100];
|
||||
writefunc PCEWrite[0x100];
|
||||
|
||||
static DECLFR(PCEBusRead)
|
||||
{
|
||||
//printf("BUS Read: %02x %04x\n", A >> 13, A);
|
||||
return(0xFF);
|
||||
}
|
||||
|
||||
static DECLFW(PCENullWrite)
|
||||
{
|
||||
//printf("Null Write: %02x, %08x %02x\n", A >> 13, A, V);
|
||||
}
|
||||
|
||||
static DECLFR(BaseRAMReadSGX)
|
||||
{
|
||||
return((BaseRAM - (0xF8 * 8192))[A]);
|
||||
}
|
||||
|
||||
static DECLFW(BaseRAMWriteSGX)
|
||||
{
|
||||
(BaseRAM - (0xF8 * 8192))[A] = V;
|
||||
}
|
||||
|
||||
static DECLFR(BaseRAMRead)
|
||||
{
|
||||
return((BaseRAM - (0xF8 * 8192))[A]);
|
||||
}
|
||||
|
||||
static DECLFR(BaseRAMRead_Mirrored)
|
||||
{
|
||||
return(BaseRAM[A & 0x1FFF]);
|
||||
}
|
||||
|
||||
static DECLFW(BaseRAMWrite)
|
||||
{
|
||||
(BaseRAM - (0xF8 * 8192))[A] = V;
|
||||
}
|
||||
|
||||
static DECLFW(BaseRAMWrite_Mirrored)
|
||||
{
|
||||
BaseRAM[A & 0x1FFF] = V;
|
||||
}
|
||||
|
||||
static DECLFR(IORead)
|
||||
{
|
||||
#define IOREAD_SGX 0
|
||||
#include "ioread.inc"
|
||||
#undef IOREAD_SGX
|
||||
}
|
||||
|
||||
static DECLFR(IOReadSGX)
|
||||
{
|
||||
#define IOREAD_SGX 1
|
||||
#include "ioread.inc"
|
||||
#undef IOREAD_SGX
|
||||
}
|
||||
|
||||
static DECLFW(IOWrite)
|
||||
{
|
||||
A &= 0x1FFF;
|
||||
|
||||
switch(A >> 10)
|
||||
{
|
||||
case 0: HuC6280_StealCycle();
|
||||
VDC_Write(A, V);
|
||||
break;
|
||||
|
||||
case 1: HuC6280_StealCycle();
|
||||
VCE_Write(A, V);
|
||||
break;
|
||||
|
||||
case 2: PCEIODataBuffer = V;
|
||||
psg->Write(HuCPU.timestamp / pce_overclocked, A, V);
|
||||
break;
|
||||
|
||||
case 3: PCEIODataBuffer = V;
|
||||
HuC6280_TimerWrite(A, V);
|
||||
break;
|
||||
|
||||
case 4: PCEIODataBuffer = V; INPUT_Write(A, V); break;
|
||||
case 5: PCEIODataBuffer = V; HuC6280_IRQStatusWrite(A, V); break;
|
||||
case 6:
|
||||
if(!PCE_IsCD)
|
||||
break;
|
||||
|
||||
if((A & 0x1E00) == 0x1A00)
|
||||
{
|
||||
if(arcade_card)
|
||||
arcade_card->Write(A & 0x1FFF, V);
|
||||
}
|
||||
else
|
||||
{
|
||||
PCECD_Write(HuCPU.timestamp * 3, A, V);
|
||||
}
|
||||
break;
|
||||
|
||||
case 7: break; // Expansion.
|
||||
}
|
||||
}
|
||||
|
||||
static void PCECDIRQCB(bool asserted)
|
||||
{
|
||||
if(asserted)
|
||||
HuC6280_IRQBegin(MDFN_IQIRQ2);
|
||||
else
|
||||
HuC6280_IRQEnd(MDFN_IQIRQ2);
|
||||
}
|
||||
|
||||
bool PCE_InitCD(void)
|
||||
{
|
||||
PCECD_Settings cd_settings;
|
||||
memset(&cd_settings, 0, sizeof(PCECD_Settings));
|
||||
|
||||
cd_settings.CDDA_Volume = (double)MDFN_GetSettingUI("pce_fast.cddavolume") / 100;
|
||||
cd_settings.CD_Speed = MDFN_GetSettingUI("pce_fast.cdspeed");
|
||||
|
||||
cd_settings.ADPCM_Volume = (double)MDFN_GetSettingUI("pce_fast.adpcmvolume") / 100;
|
||||
cd_settings.ADPCM_LPF = MDFN_GetSettingB("pce_fast.adpcmlp");
|
||||
|
||||
if(cd_settings.CDDA_Volume != 1.0)
|
||||
MDFN_printf(_("CD-DA Volume: %d%%\n"), (int)(100 * cd_settings.CDDA_Volume));
|
||||
|
||||
if(cd_settings.ADPCM_Volume != 1.0)
|
||||
MDFN_printf(_("ADPCM Volume: %d%%\n"), (int)(100 * cd_settings.ADPCM_Volume));
|
||||
|
||||
return(PCECD_Init(&cd_settings, PCECDIRQCB, PCE_MASTER_CLOCK, pce_overclocked, &sbuf[0], &sbuf[1]));
|
||||
}
|
||||
|
||||
|
||||
static int LoadCommon(void);
|
||||
static void LoadCommonPre(void);
|
||||
|
||||
static bool TestMagic(const char *name, MDFNFILE *fp)
|
||||
{
|
||||
if(memcmp(GET_FDATA_PTR(fp), "HESM", 4) && strcasecmp(GET_FEXTS_PTR(fp), "pce") && strcasecmp(GET_FEXTS_PTR(fp), "sgx"))
|
||||
return(FALSE);
|
||||
|
||||
return(TRUE);
|
||||
}
|
||||
|
||||
static int Load(const char *name, MDFNFILE *fp)
|
||||
{
|
||||
uint32 headerlen = 0;
|
||||
uint32 r_size;
|
||||
|
||||
IsHES = 0;
|
||||
IsSGX = 0;
|
||||
|
||||
if(!memcmp(GET_FDATA_PTR(fp), "HESM", 4))
|
||||
IsHES = 1;
|
||||
|
||||
LoadCommonPre();
|
||||
|
||||
if(!IsHES)
|
||||
{
|
||||
if(GET_FSIZE_PTR(fp) & 0x200) // 512 byte header!
|
||||
headerlen = 512;
|
||||
}
|
||||
|
||||
r_size = GET_FSIZE_PTR(fp) - headerlen;
|
||||
if(r_size > 4096 * 1024) r_size = 4096 * 1024;
|
||||
|
||||
for(int x = 0; x < 0x100; x++)
|
||||
{
|
||||
PCERead[x] = PCEBusRead;
|
||||
PCEWrite[x] = PCENullWrite;
|
||||
}
|
||||
|
||||
uint32 crc = crc32(0, GET_FDATA_PTR(fp) + headerlen, GET_FSIZE_PTR(fp) - headerlen);
|
||||
|
||||
HuCLoad(GET_FDATA_PTR(fp) + headerlen, GET_FSIZE_PTR(fp) - headerlen, crc);
|
||||
|
||||
if(!strcasecmp(GET_FEXTS_PTR(fp), "sgx"))
|
||||
IsSGX = TRUE;
|
||||
|
||||
if(GET_FSIZE_PTR(fp) >= 8192 && !memcmp(GET_FDATA_PTR(fp) + headerlen, "DARIUS Version 1.11b", strlen("DARIUS VERSION 1.11b")))
|
||||
{
|
||||
MDFN_printf("SuperGfx: Darius Plus\n");
|
||||
IsSGX = 1;
|
||||
}
|
||||
|
||||
if(crc == 0x4c2126b0)
|
||||
{
|
||||
MDFN_printf("SuperGfx: Aldynes\n");
|
||||
IsSGX = 1;
|
||||
}
|
||||
|
||||
if(crc == 0x8c4588e2)
|
||||
{
|
||||
MDFN_printf("SuperGfx: 1941 - Counter Attack\n");
|
||||
IsSGX = 1;
|
||||
}
|
||||
if(crc == 0x1f041166)
|
||||
{
|
||||
MDFN_printf("SuperGfx: Madouou Granzort\n");
|
||||
IsSGX = 1;
|
||||
}
|
||||
if(crc == 0xb486a8ed)
|
||||
{
|
||||
MDFN_printf("SuperGfx: Daimakaimura\n");
|
||||
IsSGX = 1;
|
||||
}
|
||||
if(crc == 0x3b13af61)
|
||||
{
|
||||
MDFN_printf("SuperGfx: Battle Ace\n");
|
||||
IsSGX = 1;
|
||||
}
|
||||
|
||||
return(LoadCommon());
|
||||
}
|
||||
|
||||
static void LoadCommonPre(void)
|
||||
{
|
||||
// FIXME: Make these globals less global!
|
||||
pce_overclocked = MDFN_GetSettingUI("pce_fast.ocmultiplier");
|
||||
PCE_ACEnabled = MDFN_GetSettingB("pce_fast.arcadecard");
|
||||
|
||||
if(pce_overclocked > 1)
|
||||
MDFN_printf(_("CPU overclock: %dx\n"), pce_overclocked);
|
||||
|
||||
if(MDFN_GetSettingUI("pce_fast.cdspeed") > 1)
|
||||
MDFN_printf(_("CD-ROM speed: %ux\n"), (unsigned int)MDFN_GetSettingUI("pce_fast.cdspeed"));
|
||||
|
||||
memset(HuCPUFastMap, 0, sizeof(HuCPUFastMap));
|
||||
for(int x = 0; x < 0x100; x++)
|
||||
{
|
||||
PCERead[x] = PCEBusRead;
|
||||
PCEWrite[x] = PCENullWrite;
|
||||
}
|
||||
|
||||
MDFNMP_Init(1024, (1 << 21) / 1024);
|
||||
}
|
||||
|
||||
static int LoadCommon(void)
|
||||
{
|
||||
IsSGX |= MDFN_GetSettingB("pce_fast.forcesgx") ? 1 : 0;
|
||||
|
||||
if(IsHES)
|
||||
IsSGX = 1;
|
||||
// Don't modify IsSGX past this point.
|
||||
|
||||
VDC_Init(IsSGX);
|
||||
|
||||
if(IsSGX)
|
||||
{
|
||||
MDFN_printf("SuperGrafx Emulation Enabled.\n");
|
||||
PCERead[0xF8] = PCERead[0xF9] = PCERead[0xFA] = PCERead[0xFB] = BaseRAMReadSGX;
|
||||
PCEWrite[0xF8] = PCEWrite[0xF9] = PCEWrite[0xFA] = PCEWrite[0xFB] = BaseRAMWriteSGX;
|
||||
|
||||
for(int x = 0xf8; x < 0xfb; x++)
|
||||
HuCPUFastMap[x] = BaseRAM - 0xf8 * 8192;
|
||||
|
||||
PCERead[0xFF] = IOReadSGX;
|
||||
}
|
||||
else
|
||||
{
|
||||
PCERead[0xF8] = BaseRAMRead;
|
||||
PCERead[0xF9] = PCERead[0xFA] = PCERead[0xFB] = BaseRAMRead_Mirrored;
|
||||
|
||||
PCEWrite[0xF8] = BaseRAMWrite;
|
||||
PCEWrite[0xF9] = PCEWrite[0xFA] = PCEWrite[0xFB] = BaseRAMWrite_Mirrored;
|
||||
|
||||
for(int x = 0xf8; x < 0xfb; x++)
|
||||
HuCPUFastMap[x] = BaseRAM - x * 8192;
|
||||
|
||||
PCERead[0xFF] = IORead;
|
||||
}
|
||||
|
||||
MDFNMP_AddRAM(IsSGX ? 32768 : 8192, 0xf8 * 8192, BaseRAM);
|
||||
|
||||
PCEWrite[0xFF] = IOWrite;
|
||||
|
||||
HuC6280_Init();
|
||||
|
||||
psg = new PCEFast_PSG(&sbuf[0], &sbuf[1]);
|
||||
|
||||
psg->SetVolume(1.0);
|
||||
|
||||
if(PCE_IsCD)
|
||||
{
|
||||
unsigned int cdpsgvolume = MDFN_GetSettingUI("pce_fast.cdpsgvolume");
|
||||
|
||||
if(cdpsgvolume != 100)
|
||||
{
|
||||
MDFN_printf(_("CD PSG Volume: %d%%\n"), cdpsgvolume);
|
||||
}
|
||||
|
||||
psg->SetVolume(0.678 * cdpsgvolume / 100);
|
||||
|
||||
}
|
||||
|
||||
PCEINPUT_Init();
|
||||
|
||||
PCE_Power();
|
||||
|
||||
MDFNGameInfo->LayerNames = IsSGX ? "BG0\0SPR0\0BG1\0SPR1\0" : "Background\0Sprites\0";
|
||||
MDFNGameInfo->fps = (uint32)((double)7159090.90909090 / 455 / 263 * 65536 * 256);
|
||||
|
||||
// Clean this up:
|
||||
if(!MDFN_GetSettingB("pce_fast.correct_aspect"))
|
||||
MDFNGameInfo->fb_width = 682;
|
||||
|
||||
if(!IsHES)
|
||||
{
|
||||
MDFNGameInfo->nominal_width = MDFN_GetSettingB("pce_fast.correct_aspect") ? 288 : 341;
|
||||
MDFNGameInfo->nominal_height = MDFN_GetSettingUI("pce_fast.slend") - MDFN_GetSettingUI("pce_fast.slstart") + 1;
|
||||
|
||||
MDFNGameInfo->lcm_width = MDFN_GetSettingB("pce_fast.correct_aspect") ? 1024 : 341;
|
||||
MDFNGameInfo->lcm_height = MDFNGameInfo->nominal_height;
|
||||
}
|
||||
|
||||
return(1);
|
||||
}
|
||||
|
||||
static bool TestMagicCD(std::vector<CDIF *> *CDInterfaces)
|
||||
{
|
||||
static const uint8 magic_test[0x20] = { 0x82, 0xB1, 0x82, 0xCC, 0x83, 0x76, 0x83, 0x8D, 0x83, 0x4F, 0x83, 0x89, 0x83, 0x80, 0x82, 0xCC,
|
||||
0x92, 0x98, 0x8D, 0xEC, 0x8C, 0xA0, 0x82, 0xCD, 0x8A, 0x94, 0x8E, 0xAE, 0x89, 0xEF, 0x8E, 0xD0
|
||||
};
|
||||
uint8 sector_buffer[2048];
|
||||
CDIF *cdiface = (*CDInterfaces)[0];
|
||||
CDUtility::TOC toc;
|
||||
bool ret = FALSE;
|
||||
|
||||
memset(sector_buffer, 0, sizeof(sector_buffer));
|
||||
|
||||
cdiface->ReadTOC(&toc);
|
||||
|
||||
for(int32 track = toc.first_track; track <= toc.last_track; track++)
|
||||
{
|
||||
if(toc.tracks[track].control & 0x4)
|
||||
{
|
||||
cdiface->ReadSector(sector_buffer, toc.tracks[track].lba, 1);
|
||||
|
||||
if(!memcmp((char*)sector_buffer, (char *)magic_test, 0x20))
|
||||
ret = TRUE;
|
||||
|
||||
// PCE CD BIOS apparently only looks at the first data track.
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// If it's a PC-FX CD(Battle Heat), return false.
|
||||
// This is very kludgy.
|
||||
for(int32 track = toc.first_track; track <= toc.last_track; track++)
|
||||
{
|
||||
if(toc.tracks[track].control & 0x4)
|
||||
{
|
||||
cdiface->ReadSector(sector_buffer, toc.tracks[track].lba, 1);
|
||||
if(!strncmp("PC-FX:Hu_CD-ROM", (char*)sector_buffer, strlen("PC-FX:Hu_CD-ROM")))
|
||||
{
|
||||
return(false);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// Now, test for the Games Express CD games. The GE BIOS seems to always look at sector 0x10, but only if the first track is a
|
||||
// data track.
|
||||
if(toc.first_track == 1 && (toc.tracks[1].control & 0x4))
|
||||
{
|
||||
if(cdiface->ReadSector(sector_buffer, 0x10, 1))
|
||||
{
|
||||
if(!memcmp((char *)sector_buffer + 0x8, "HACKER CD ROM SYSTEM", 0x14))
|
||||
{
|
||||
ret = TRUE;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return(ret);
|
||||
}
|
||||
|
||||
static int LoadCD(std::vector<CDIF *> *CDInterfaces)
|
||||
{
|
||||
std::string bios_path = MDFN_MakeFName(MDFNMKF_FIRMWARE, 0, MDFN_GetSettingS("pce_fast.cdbios").c_str() );
|
||||
|
||||
IsHES = 0;
|
||||
IsSGX = 0;
|
||||
|
||||
LoadCommonPre();
|
||||
|
||||
if(!HuCLoadCD(bios_path.c_str()))
|
||||
return(0);
|
||||
|
||||
PCECD_Drive_SetDisc(true, NULL, true);
|
||||
PCECD_Drive_SetDisc(false, (*CDInterfaces)[0], true);
|
||||
|
||||
return(LoadCommon());
|
||||
}
|
||||
|
||||
|
||||
static void CloseGame(void)
|
||||
{
|
||||
{
|
||||
HuCClose();
|
||||
}
|
||||
VDC_Close();
|
||||
if(psg)
|
||||
{
|
||||
delete psg;
|
||||
psg = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
static void Emulate(EmulateSpecStruct *espec)
|
||||
{
|
||||
INPUT_Frame();
|
||||
|
||||
MDFNMP_ApplyPeriodicCheats();
|
||||
|
||||
#if 0
|
||||
{
|
||||
static bool firstcat = true;
|
||||
MDFN_PixelFormat nf;
|
||||
|
||||
nf.bpp = 16;
|
||||
nf.colorspace = MDFN_COLORSPACE_RGB;
|
||||
nf.Rshift = 11;
|
||||
nf.Gshift = 5;
|
||||
nf.Bshift = 0;
|
||||
nf.Ashift = 16;
|
||||
|
||||
nf.Rprec = 5;
|
||||
nf.Gprec = 6;
|
||||
nf.Bprec = 5;
|
||||
nf.Aprec = 8;
|
||||
|
||||
espec->surface->SetFormat(nf, false);
|
||||
espec->VideoFormatChanged = firstcat;
|
||||
firstcat = false;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if 0
|
||||
static bool firstcat = true;
|
||||
|
||||
MDFN_PixelFormat tmp_pf;
|
||||
|
||||
tmp_pf.Rshift = 0;
|
||||
tmp_pf.Gshift = 0;
|
||||
tmp_pf.Bshift = 0;
|
||||
tmp_pf.Ashift = 8;
|
||||
|
||||
tmp_pf.Rprec = 0;
|
||||
tmp_pf.Gprec = 0;
|
||||
tmp_pf.Bprec = 0;
|
||||
tmp_pf.Aprec = 0;
|
||||
|
||||
tmp_pf.bpp = 8;
|
||||
tmp_pf.colorspace = MDFN_COLORSPACE_RGB;
|
||||
|
||||
espec->surface->SetFormat(tmp_pf, false);
|
||||
espec->VideoFormatChanged = firstcat;
|
||||
firstcat = false;
|
||||
#endif
|
||||
|
||||
if(espec->VideoFormatChanged)
|
||||
VDC_SetPixelFormat(espec->surface->format); //.Rshift, espec->surface->format.Gshift, espec->surface->format.Bshift);
|
||||
|
||||
if(espec->SoundFormatChanged)
|
||||
{
|
||||
for(int y = 0; y < 2; y++)
|
||||
{
|
||||
sbuf[y].set_sample_rate(espec->SoundRate ? espec->SoundRate : 44100, 50);
|
||||
sbuf[y].clock_rate((long)(PCE_MASTER_CLOCK / 3));
|
||||
sbuf[y].bass_freq(10);
|
||||
}
|
||||
}
|
||||
VDC_RunFrame(espec, IsHES);
|
||||
|
||||
if(PCE_IsCD)
|
||||
{
|
||||
PCECD_Run(HuCPU.timestamp * 3);
|
||||
}
|
||||
|
||||
psg->EndFrame(HuCPU.timestamp / pce_overclocked);
|
||||
|
||||
if(espec->SoundBuf)
|
||||
{
|
||||
for(int y = 0; y < 2; y++)
|
||||
{
|
||||
sbuf[y].end_frame(HuCPU.timestamp / pce_overclocked);
|
||||
espec->SoundBufSize = sbuf[y].read_samples(espec->SoundBuf + y, espec->SoundBufMaxSize, 1);
|
||||
}
|
||||
}
|
||||
|
||||
espec->MasterCycles = HuCPU.timestamp * 3;
|
||||
|
||||
INPUT_FixTS();
|
||||
|
||||
HuC6280_ResetTS();
|
||||
|
||||
if(PCE_IsCD)
|
||||
PCECD_ResetTS();
|
||||
}
|
||||
|
||||
static int StateAction(StateMem *sm, int load, int data_only)
|
||||
{
|
||||
SFORMAT StateRegs[] =
|
||||
{
|
||||
SFARRAY(BaseRAM, IsSGX? 32768 : 8192),
|
||||
SFVAR(PCEIODataBuffer),
|
||||
SFEND
|
||||
};
|
||||
|
||||
//for(int i = 8192; i < 32768; i++)
|
||||
// if(BaseRAM[i] != 0xFF)
|
||||
// printf("%d %02x\n", i, BaseRAM[i]);
|
||||
|
||||
int ret = MDFNSS_StateAction(sm, load, data_only, StateRegs, "MAIN");
|
||||
|
||||
ret &= HuC6280_StateAction(sm, load, data_only);
|
||||
ret &= VDC_StateAction(sm, load, data_only);
|
||||
ret &= psg->StateAction(sm, load, data_only);
|
||||
ret &= INPUT_StateAction(sm, load, data_only);
|
||||
ret &= HuC_StateAction(sm, load, data_only);
|
||||
|
||||
if(load)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
return(ret);
|
||||
}
|
||||
|
||||
void PCE_Power(void)
|
||||
{
|
||||
memset(BaseRAM, 0x00, sizeof(BaseRAM));
|
||||
|
||||
if(!IsSGX)
|
||||
for(int i = 8192; i < 32768; i++)
|
||||
BaseRAM[i] = 0xFF;
|
||||
|
||||
PCEIODataBuffer = 0xFF;
|
||||
|
||||
HuC6280_Power();
|
||||
VDC_Power();
|
||||
psg->Power(HuCPU.timestamp / pce_overclocked);
|
||||
HuC_Power();
|
||||
|
||||
if(PCE_IsCD)
|
||||
{
|
||||
PCECD_Power(HuCPU.timestamp * 3);
|
||||
}
|
||||
}
|
||||
|
||||
static void DoSimpleCommand(int cmd)
|
||||
{
|
||||
switch(cmd)
|
||||
{
|
||||
case MDFN_MSC_RESET: PCE_Power(); break;
|
||||
case MDFN_MSC_POWER: PCE_Power(); break;
|
||||
}
|
||||
}
|
||||
|
||||
static MDFNSetting PCESettings[] =
|
||||
{
|
||||
{ "pce_fast.correct_aspect", MDFNSF_CAT_VIDEO, gettext_noop("Correct the aspect ratio."), NULL, MDFNST_BOOL, "1" },
|
||||
{ "pce_fast.slstart", MDFNSF_NOFLAGS, gettext_noop("First rendered scanline."), NULL, MDFNST_UINT, "4", "0", "239" },
|
||||
{ "pce_fast.slend", MDFNSF_NOFLAGS, gettext_noop("Last rendered scanline."), NULL, MDFNST_UINT, "235", "0", "239" },
|
||||
{ "pce_fast.mouse_sensitivity", MDFNSF_NOFLAGS, gettext_noop("Mouse sensitivity."), NULL, MDFNST_FLOAT, "0.50", NULL, NULL, NULL, PCEINPUT_SettingChanged },
|
||||
{ "pce_fast.disable_softreset", MDFNSF_NOFLAGS, gettext_noop("If set, when RUN+SEL are pressed simultaneously, disable both buttons temporarily."), NULL, MDFNST_BOOL, "0", NULL, NULL, NULL, PCEINPUT_SettingChanged },
|
||||
{ "pce_fast.forcesgx", MDFNSF_EMU_STATE | MDFNSF_UNTRUSTED_SAFE, gettext_noop("Force SuperGrafx emulation."), NULL, MDFNST_BOOL, "0" },
|
||||
{ "pce_fast.arcadecard", MDFNSF_EMU_STATE | MDFNSF_UNTRUSTED_SAFE, gettext_noop("Enable Arcade Card emulation."), NULL, MDFNST_BOOL, "1" },
|
||||
{ "pce_fast.ocmultiplier", MDFNSF_EMU_STATE | MDFNSF_UNTRUSTED_SAFE, gettext_noop("CPU overclock multiplier."), NULL, MDFNST_UINT, "1", "1", "100"},
|
||||
{ "pce_fast.cdspeed", MDFNSF_EMU_STATE | MDFNSF_UNTRUSTED_SAFE, gettext_noop("CD-ROM data transfer speed multiplier."), NULL, MDFNST_UINT, "1", "1", "100" },
|
||||
{ "pce_fast.nospritelimit", MDFNSF_NOFLAGS, gettext_noop("Remove 16-sprites-per-scanline hardware limit."), NULL, MDFNST_BOOL, "0" },
|
||||
|
||||
{ "pce_fast.cdbios", MDFNSF_EMU_STATE, gettext_noop("Path to the CD BIOS"), NULL, MDFNST_STRING, "syscard3.pce" },
|
||||
|
||||
{ "pce_fast.adpcmlp", MDFNSF_NOFLAGS, gettext_noop("Enable dynamic ADPCM lowpass filter."), NULL, MDFNST_BOOL, "0" },
|
||||
{ "pce_fast.cdpsgvolume", MDFNSF_NOFLAGS, gettext_noop("PSG volume when playing a CD game."), NULL, MDFNST_UINT, "100", "0", "200" },
|
||||
{ "pce_fast.cddavolume", MDFNSF_NOFLAGS, gettext_noop("CD-DA volume."), NULL, MDFNST_UINT, "100", "0", "200" },
|
||||
{ "pce_fast.adpcmvolume", MDFNSF_NOFLAGS, gettext_noop("ADPCM volume."), NULL, MDFNST_UINT, "100", "0", "200" },
|
||||
{ NULL }
|
||||
};
|
||||
|
||||
static uint8 MemRead(uint32 addr)
|
||||
{
|
||||
return(PCERead[(addr / 8192) & 0xFF](addr));
|
||||
}
|
||||
|
||||
static const FileExtensionSpecStruct KnownExtensions[] =
|
||||
{
|
||||
{ ".pce", gettext_noop("PC Engine ROM Image") },
|
||||
{ ".hes", gettext_noop("PC Engine Music Rip") },
|
||||
{ ".sgx", gettext_noop("SuperGrafx ROM Image") },
|
||||
{ NULL, NULL }
|
||||
};
|
||||
|
||||
};
|
||||
|
||||
MDFNGI EmulatedPCE_Fast =
|
||||
{
|
||||
"pce_fast",
|
||||
"PC Engine (CD)/TurboGrafx 16 (CD)/SuperGrafx",
|
||||
KnownExtensions,
|
||||
MODPRIO_INTERNAL_LOW,
|
||||
NULL,
|
||||
&PCEInputInfo,
|
||||
Load,
|
||||
TestMagic,
|
||||
LoadCD,
|
||||
TestMagicCD,
|
||||
CloseGame,
|
||||
VDC_SetLayerEnableMask,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL,
|
||||
MemRead,
|
||||
NULL,
|
||||
false,
|
||||
StateAction,
|
||||
Emulate,
|
||||
PCEINPUT_SetInput,
|
||||
DoSimpleCommand,
|
||||
PCESettings,
|
||||
MDFN_MASTERCLOCK_FIXED(PCE_MASTER_CLOCK),
|
||||
0,
|
||||
|
||||
true, // Multires possible?
|
||||
|
||||
0, // lcm_width
|
||||
0, // lcm_height
|
||||
NULL, // Dummy
|
||||
|
||||
288, // Nominal width
|
||||
232, // Nominal height
|
||||
|
||||
512, // Framebuffer width
|
||||
242, // Framebuffer height
|
||||
|
||||
2, // Number of output sound channels
|
||||
};
|
||||
|
||||
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Reference in New Issue
Block a user