-/* FCE Ultra - NES/Famicom Emulator
- *
- * Copyright notice for this file:
- * Copyright (C) 2002 Ben Parnell
- *
- * 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 <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <math.h>
-
-#include "types.h"
-#include "x6502.h"
-#include "fce.h"
-#include "svga.h"
-#include "video.h"
-#include "sound.h"
-#include "ines.h"
-#include "nsf.h"
-#include "nsfbgnew.h"
-#include "general.h"
-#include "memory.h"
-#include "file.h"
-#include "fds.h"
-#include "cart.h"
-#include "input.h"
-
-#ifndef M_PI
-#define M_PI 3.14159265358979323846
-#endif
-
-uint8 SongReload;
-uint8 CurrentSong;
-
-static int sinetable[32];
-
-
-static uint8 NSFROM[0x30+6]=
-{
-/* 0x00 */
-
-0x08,0x48,0x8A,0x48,0x98,0x48, /* Store regs */
-0xA9,0xFF,
-0x8D,0xF2,0x5F, /* NMI has occured */
-0x68,0xA8,0x68,0xAA,0x68,0x28,
-0x40, /* Restore regs */
-
-/* 0x12 */
-
-0xAD,0xF2,0x5F, /* See if an NMI occured */
-0xF0,0xFB, /* If it hasn't, loop */
-
-0xA9,0x00,
-0x8D,0xF2,0x5F, /* Clear play pending reg*/
-
-
-0xAD,0xF0,0x5F, /* See if we need to init. */
-0xF0,0x09, /* If 0, go to JMP */
-
-0xAD,0xF1,0x5F, /* Confirm and load A */
-0xAE,0xF3,0x5F, /* Load X with PAL/NTSC byte */
-
-0x20,0x00,0x00, /* JSR to init routine */
-
-0x20,0x00,0x00, /* JSR to play routine */
-
-0x4C,0x12,0x38, /* Loop */
-
-0xA2,0xFF,0x9A, /* Initialize the stack pointer. */
-0x4C,0x12,0x38
-};
-
-static DECLFR(NSFROMRead)
-{
- return (NSFROM-0x3800)[A];
-}
-
-
-
-static uint8 *NSFDATA=0;
-static int NSFMaxBank;
-
-static int NSFSize;
-static uint8 BSon;
-static uint16 PlayAddr;
-static uint16 InitAddr;
-static uint16 LoadAddr;
-
-NSF_HEADER NSFHeader;
-
-void NSFGI(int h)
-{
- switch(h)
- {
- case GI_CLOSE:
- if(NSFDATA) {free(NSFDATA);NSFDATA=0;}
- break;
- case GI_POWER: NSF_init();break;
- }
-}
-
-// First 32KB is reserved for sound chip emulation in the iNES mapper code.
-
-#define WRAM (GameMemBlock+32768)
-#define FDSMEM (GameMemBlock+32768)
-
-static INLINE void BANKSET(uint32 A, uint32 bank)
-{
- bank&=NSFMaxBank;
- if(NSFHeader.SoundChip&4)
- memcpy(FDSMEM+(A-0x6000),NSFDATA+(bank<<12),4096);
- else
- setprg4(A,bank);
-}
-
-int NSFLoad(int fp)
-{
- int x;
-
- FCEU_fseek(fp,0,SEEK_SET);
- FCEU_fread(&NSFHeader,1,0x80,fp);
- if (memcmp(NSFHeader.ID,"NESM\x1a",5))
- return 0;
- NSFHeader.SongName[31]=NSFHeader.Artist[31]=NSFHeader.Copyright[31]=0;
-
- LoadAddr=NSFHeader.LoadAddressLow;
- LoadAddr|=NSFHeader.LoadAddressHigh<<8;
-
- InitAddr=NSFHeader.InitAddressLow;
- InitAddr|=NSFHeader.InitAddressHigh<<8;
-
- PlayAddr=NSFHeader.PlayAddressLow;
- PlayAddr|=NSFHeader.PlayAddressHigh<<8;
-
- NSFSize=FCEU_fgetsize(fp)-0x80;
-
- NSFMaxBank=((NSFSize+(LoadAddr&0xfff)+4095)/4096);
- NSFMaxBank=uppow2(NSFMaxBank);
-
- if(!(NSFDATA=(uint8 *)FCEU_malloc(NSFMaxBank*4096)))
- return 0;
-
- FCEU_fseek(fp,0x80,SEEK_SET);
- memset(NSFDATA,0x00,NSFMaxBank*4096);
- FCEU_fread(NSFDATA+(LoadAddr&0xfff),1,NSFSize,fp);
-
- NSFMaxBank--;
-
- BSon=0;
- for(x=0;x<8;x++)
- BSon|=NSFHeader.BankSwitch[x];
-
- FCEUGameInfo.type=GIT_NSF;
- FCEUGameInfo.input[0]=FCEUGameInfo.input[1]=SI_NONE;
-
- for(x=0;;x++)
- {
- if(NSFROM[x]==0x20)
- {
- NSFROM[x+1]=InitAddr&0xFF;
- NSFROM[x+2]=InitAddr>>8;
- NSFROM[x+4]=PlayAddr&0xFF;
- NSFROM[x+5]=PlayAddr>>8;
- break;
- }
- }
-
- if(NSFHeader.VideoSystem==0)
- FCEUGameInfo.vidsys=GIV_NTSC;
- else if(NSFHeader.VideoSystem==1)
- FCEUGameInfo.vidsys=GIV_PAL;
-
- {
- double fruit=0;
- for(x=0;x<32;x++)
- {
- double ta,no;
-
- ta=sin(fruit)*7;
- ta+=modf(ta,&no);
- sinetable[x]=ta;
- fruit+=(double)M_PI*2/32;
- }
- }
- GameInterface=NSFGI;
-
- puts("NSF Loaded. File information:\n");
- printf(" Name: %s\n Artist: %s\n Copyright: %s\n\n",NSFHeader.SongName,NSFHeader.Artist,NSFHeader.Copyright);
- if(NSFHeader.SoundChip)
- {
- static char *tab[6]={"Konami VRCVI","Konami VRCVII","Nintendo FDS","Nintendo MMC5","Namco 106","Sunsoft FME-07"};
- for(x=0;x<6;x++)
- if(NSFHeader.SoundChip&(1<<x))
- {
- printf(" Expansion hardware: %s\n",tab[x]);
- break;
- }
- }
- if(BSon)
- puts(" Bank-switched.");
- printf(" Load address: $%04x\n Init address: $%04x\n Play address: $%04x\n",LoadAddr,InitAddr,PlayAddr);
- printf(" %s\n",(NSFHeader.VideoSystem&1)?"PAL":"NTSC");
- printf(" Starting song: %d / %d\n\n",NSFHeader.StartingSong,NSFHeader.TotalSongs);
- return 1;
-}
-
-static DECLFW(BWRAM)
-{
- (WRAM-0x6000)[A]=V;
-}
-
-static DECLFW(NSFFDSWrite)
-{
- (FDSMEM-0x6000)[A]=V;
-}
-
-static DECLFR(NSFFDSRead)
-{
- return (FDSMEM-0x6000)[A];
-}
-
-static DECLFR(AWRAM)
-{
- return WRAM[A-0x6000];
-}
-
-void NSF_init(void)
-{
- if(NSFHeader.SoundChip&4)
- {
- memset(FDSMEM,0x00,32768+8192);
- SetWriteHandler(0x6000,0xDFFF,NSFFDSWrite);
- SetReadHandler(0x6000,0xFFFF,NSFFDSRead);
- }
- else
- {
- memset(WRAM,0x00,8192);
- SetReadHandler(0x6000,0x7FFF,AWRAM);
- SetWriteHandler(0x6000,0x7FFF,BWRAM);
- ResetCartMapping();
- SetupCartPRGMapping(0,NSFDATA,((NSFMaxBank+1)*4096),0);
- SetReadHandler(0x8000,0xFFFF,CartBR);
- }
-
- if(BSon)
- {
- int32 x;
- for(x=0;x<8;x++)
- {
- if(NSFHeader.SoundChip&4 && x>=6)
- BANKSET(0x6000+(x-6)*4096,NSFHeader.BankSwitch[x]);
- BANKSET(0x8000+x*4096,NSFHeader.BankSwitch[x]);
- }
- }
- else
- {
- int32 x;
- for(x=(LoadAddr&0x7000);x<0x8000;x+=0x1000)
- BANKSET(0x8000+x,((x-(LoadAddr&0x7000))>>12));
- }
-
- SetWriteHandler(0x2000,0x3fff,0);
- SetReadHandler(0x2000,0x37ff,0);
- SetReadHandler(0x3836,0x3FFF,0);
- SetReadHandler(0x3800,0x3835,NSFROMRead);
-
- SetWriteHandler(0x4020,0x5fff,NSF_write);
- SetReadHandler(0x4020,0x5fff,NSF_read);
-
-
- if(NSFHeader.SoundChip&1) {
- VRC6_ESI(0);
- } else if (NSFHeader.SoundChip&2) {
- VRC7_ESI();
- } else if (NSFHeader.SoundChip&4) {
- FDSSoundReset();
- } else if (NSFHeader.SoundChip&8) {
- Mapper5_ESI();
- } else if (NSFHeader.SoundChip&0x10) {
- Mapper19_ESI();
- } else if (NSFHeader.SoundChip&0x20) {
- Mapper69_ESI();
- }
- CurrentSong=NSFHeader.StartingSong;
- SongReload=1;
-}
-
-static uint8 DoUpdateStuff=0;
-DECLFW(NSF_write)
-{
-switch(A)
-{
- case 0x5FF2:if((X.PC&0xF000)==0x3000) DoUpdateStuff=V;break;
-
- case 0x5FF6:
- case 0x5FF7:if(!(NSFHeader.SoundChip&4)) return;
- case 0x5FF8:
- case 0x5FF9:
- case 0x5FFA:
- case 0x5FFB:
- case 0x5FFC:
- case 0x5FFD:
- case 0x5FFE:
- case 0x5FFF:if(!BSon) return;
- A&=0xF;
- BANKSET((A*4096),V);
- X6502_Rebase();
- break;
-}
-}
-
-DECLFR(NSF_read)
-{
- int x;
-
- if((X.PC&0xF000)==0x3000)
- switch(A)
- {
- case 0x5ff0:x=SongReload;SongReload=0;return x;
- case 0x5ff1:
- {
- memset(RAM,0x00,0x800);
- memset(WRAM,0x00,8192);
- BWrite[0x4015](0x4015,0xF);
- for(x=0;x<0x14;x++)
- {if(x!=0x11) BWrite[0x4015](0x4015,0);}
- BWrite[0x4015](0x4015,0x0);
- for(x=0;x<0x14;x++)
- {if(x!=0x11) BWrite[0x4015](0x4015,0);}
- BWrite[0x4011](0x4011,0x40);
- BWrite[0x4015](0x4015,0xF);
- BWrite[0x4017](0x4017,0x40);
- if(NSFHeader.SoundChip&4)
- BWrite[0x4089](0x4089,0x80);
- if(BSon)
- {
- for(x=0;x<8;x++)
- BANKSET(0x8000+x*4096,NSFHeader.BankSwitch[x]);
- X6502_Rebase();
- }
- return (CurrentSong-1);
- }
- case 0x5FF2:return DoUpdateStuff;
- case 0x5FF3:return PAL;
- }
- return 0;
-}
-static int32 *Bufpl;
-void DrawNSF(uint8 *XBuf)
-{
- char snbuf[16];
- static int z=0;
- int x,y;
- uint8 *XBuf2,*tmpb;
-
- XBuf+=8;
- XBuf2=XBuf;
-
- tmpb=NSFBG+8;
- for(y=120;y;y--)
- {
- uint8 *offs;
-
- offs=tmpb+sinetable[((z+y)>>2)&31];
- memcpy(XBuf2,offs,256);
- memcpy(XBuf2+(120*272),offs,256);
-
- XBuf2+=272;
- tmpb+=272;
- }
- tmpb=NSFBG+8;
- z=(z+1)&127;
-
- DrawTextTrans(XBuf+10*272+4+(((31-strlen((char *)(NSFHeader.SongName)))<<2)), 272, NSFHeader.SongName, 38);
- DrawTextTrans(XBuf+30*272+4+(((31-strlen((char *)(NSFHeader.Artist)))<<2)), 272, NSFHeader.Artist, 38);
- DrawTextTrans(XBuf+50*272+4+(((31-strlen((char *)(NSFHeader.Copyright)))<<2)), 272, NSFHeader.Copyright, 38);
-
- DrawTextTrans(XBuf+90*272+4+(((31-strlen("Song:"))<<2)), 272, (uint8 *)"Song:", 38);
- sprintf(snbuf,"<%d/%d>",CurrentSong,NSFHeader.TotalSongs);
- DrawTextTrans(XBuf+102*272+4+(((31-strlen(snbuf))<<2)), 272, (uint8 *)snbuf, 38);
-
- GetSoundBuffer(&Bufpl);
- for(x=0;x<256;x++)
- XBuf[x+(224-((((Bufpl[x]>>(7)^128)&255)*3)>>3))*272]=38;
-}
-
-void NSFControl(int z)
-{
- if(z==1)
- {
- if(CurrentSong<NSFHeader.TotalSongs) CurrentSong++;
- }
- else if(z==2)
- {
- if(CurrentSong>1) CurrentSong--;
- }
- SongReload=0xFF;
-}
+/* FCE Ultra - NES/Famicom Emulator\r
+ *\r
+ * Copyright notice for this file:\r
+ * Copyright (C) 2002 Xodnizel\r
+ *\r
+ * This program is free software; you can redistribute it and/or modify\r
+ * it under the terms of the GNU General Public License as published by\r
+ * the Free Software Foundation; either version 2 of the License, or\r
+ * (at your option) any later version.\r
+ *\r
+ * This program is distributed in the hope that it will be useful,\r
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
+ * GNU General Public License for more details.\r
+ *\r
+ * You should have received a copy of the GNU General Public License\r
+ * along with this program; if not, write to the Free Software\r
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r
+ */\r
+\r
+#include <stdio.h>\r
+#include <stdlib.h>\r
+#include <string.h>\r
+#include <math.h>\r
+\r
+#include "types.h"\r
+#include "x6502.h"\r
+#include "fce.h"\r
+#include "video.h"\r
+#include "sound.h"\r
+#include "nsf.h"\r
+#include "general.h"\r
+#include "memory.h"\r
+#include "file.h"\r
+#include "fds.h"\r
+#include "cart.h"\r
+#include "input.h"\r
+\r
+#include "svga.h"\r
+\r
+#ifndef M_PI\r
+#define M_PI 3.14159265358979323846\r
+#endif\r
+\r
+static uint8 SongReload;\r
+static int CurrentSong;\r
+\r
+static DECLFW(NSF_write);\r
+static DECLFR(NSF_read);\r
+\r
+static int vismode=1;\r
+\r
+static uint8 NSFROM[0x30+6]=\r
+{\r
+/* 0x00 - NMI */\r
+0x8D,0xF4,0x3F, /* Stop play routine NMIs. */\r
+0xA2,0xFF,0x9A, /* Initialize the stack pointer. */\r
+0xAD,0xF0,0x3F, /* See if we need to init. */\r
+0xF0,0x09, /* If 0, go to play routine playing. */\r
+\r
+0xAD,0xF1,0x3F, /* Confirm and load A */\r
+0xAE,0xF3,0x3F, /* Load X with PAL/NTSC byte */\r
+\r
+0x20,0x00,0x00, /* JSR to init routine */\r
+\r
+0xA9,0x00,\r
+0xAA,\r
+0xA8,\r
+0x20,0x00,0x00, /* JSR to play routine */\r
+0x8D,0xF5,0x3F, /* Start play routine NMIs. */\r
+0x90,0xFE, /* Loopie time. */\r
+\r
+/* 0x20 */\r
+0x8D,0xF3,0x3F, /* Init init NMIs */\r
+0x18,\r
+0x90,0xFE /* Loopie time. */\r
+};\r
+\r
+static DECLFR(NSFROMRead)\r
+{\r
+ return (NSFROM-0x3800)[A];\r
+}\r
+\r
+static int doreset=0;\r
+static int NSFNMIFlags;\r
+static uint8 *NSFDATA=0;\r
+static int NSFMaxBank;\r
+\r
+static int NSFSize;\r
+static uint8 BSon;\r
+static uint16 PlayAddr;\r
+static uint16 InitAddr;\r
+static uint16 LoadAddr;\r
+\r
+static NSF_HEADER NSFHeader;\r
+\r
+void NSFMMC5_Close(void);\r
+static uint8 *ExWRAM=0;\r
+\r
+void NSFGI(int h)\r
+{\r
+ switch(h)\r
+ {\r
+ case GI_CLOSE:\r
+ if(NSFDATA) {free(NSFDATA);NSFDATA=0;}\r
+ if(ExWRAM) {free(ExWRAM);ExWRAM=0;}\r
+ if(NSFHeader.SoundChip&1) {\r
+// NSFVRC6_Init();\r
+ } else if(NSFHeader.SoundChip&2) {\r
+// NSFVRC7_Init();\r
+ } else if(NSFHeader.SoundChip&4) {\r
+// FDSSoundReset();\r
+ } else if(NSFHeader.SoundChip&8) {\r
+ NSFMMC5_Close();\r
+ } else if(NSFHeader.SoundChip&0x10) {\r
+// NSFN106_Init();\r
+ } else if(NSFHeader.SoundChip&0x20) {\r
+// NSFAY_Init();\r
+ }\r
+ break;\r
+ case GI_RESETM2:\r
+ case GI_POWER: NSF_init();break;\r
+ }\r
+}\r
+\r
+// First 32KB is reserved for sound chip emulation in the iNES mapper code.\r
+\r
+static INLINE void BANKSET(uint32 A, uint32 bank)\r
+{\r
+ bank&=NSFMaxBank;\r
+ if(NSFHeader.SoundChip&4)\r
+ memcpy(ExWRAM+(A-0x6000),NSFDATA+(bank<<12),4096);\r
+ else\r
+ setprg4(A,bank);\r
+}\r
+\r
+int NSFLoad(int fp)\r
+{\r
+ int x;\r
+\r
+ FCEU_fseek(fp,0,SEEK_SET);\r
+ FCEU_fread(&NSFHeader,1,0x80,fp);\r
+ if(memcmp(NSFHeader.ID,"NESM\x1a",5))\r
+ return 0;\r
+ NSFHeader.SongName[31]=NSFHeader.Artist[31]=NSFHeader.Copyright[31]=0;\r
+\r
+ LoadAddr=NSFHeader.LoadAddressLow;\r
+ LoadAddr|=NSFHeader.LoadAddressHigh<<8;\r
+\r
+ if(LoadAddr<0x6000)\r
+ {\r
+ FCEUD_PrintError("Invalid load address.");\r
+ return(0);\r
+ }\r
+ InitAddr=NSFHeader.InitAddressLow;\r
+ InitAddr|=NSFHeader.InitAddressHigh<<8;\r
+\r
+ PlayAddr=NSFHeader.PlayAddressLow;\r
+ PlayAddr|=NSFHeader.PlayAddressHigh<<8;\r
+\r
+ NSFSize=FCEU_fgetsize(fp)-0x80;\r
+\r
+ NSFMaxBank=((NSFSize+(LoadAddr&0xfff)+4095)/4096);\r
+ NSFMaxBank=uppow2(NSFMaxBank);\r
+\r
+ if(!(NSFDATA=(uint8 *)FCEU_malloc(NSFMaxBank*4096)))\r
+ return 0;\r
+\r
+ FCEU_fseek(fp,0x80,SEEK_SET);\r
+ memset(NSFDATA,0x00,NSFMaxBank*4096);\r
+ FCEU_fread(NSFDATA+(LoadAddr&0xfff),1,NSFSize,fp);\r
+\r
+ NSFMaxBank--;\r
+\r
+ BSon=0;\r
+ for(x=0;x<8;x++)\r
+ BSon|=NSFHeader.BankSwitch[x];\r
+\r
+ FCEUGameInfo.type=GIT_NSF;\r
+ FCEUGameInfo.input[0]=FCEUGameInfo.input[1]=SI_GAMEPAD;\r
+ FCEUGameInfo.cspecial=SIS_NSF;\r
+\r
+ for(x=0;;x++)\r
+ {\r
+ if(NSFROM[x]==0x20)\r
+ {\r
+ NSFROM[x+1]=InitAddr&0xFF;\r
+ NSFROM[x+2]=InitAddr>>8;\r
+ NSFROM[x+8]=PlayAddr&0xFF;\r
+ NSFROM[x+9]=PlayAddr>>8;\r
+ break;\r
+ }\r
+ }\r
+\r
+ if(NSFHeader.VideoSystem==0)\r
+ FCEUGameInfo.vidsys=GIV_NTSC;\r
+ else if(NSFHeader.VideoSystem==1)\r
+ FCEUGameInfo.vidsys=GIV_PAL;\r
+\r
+ GameInterface=NSFGI;\r
+\r
+ FCEU_printf("NSF Loaded. File information:\n\n");\r
+ FCEU_printf(" Name: %s\n Artist: %s\n Copyright: %s\n\n",NSFHeader.SongName,NSFHeader.Artist,NSFHeader.Copyright);\r
+ if(NSFHeader.SoundChip)\r
+ {\r
+ static char *tab[6]={"Konami VRCVI","Konami VRCVII","Nintendo FDS","Nintendo MMC5","Namco 106","Sunsoft FME-07"};\r
+\r
+ for(x=0;x<6;x++)\r
+ if(NSFHeader.SoundChip&(1<<x))\r
+ {\r
+ FCEU_printf(" Expansion hardware: %s\n",tab[x]);\r
+ NSFHeader.SoundChip=1<<x; /* Prevent confusing weirdness if more than one bit is set. */\r
+ break;\r
+ }\r
+ }\r
+ if(BSon)\r
+ FCEU_printf(" Bank-switched.\n");\r
+ FCEU_printf(" Load address: $%04x\n Init address: $%04x\n Play address: $%04x\n",LoadAddr,InitAddr,PlayAddr);\r
+ FCEU_printf(" %s\n",(NSFHeader.VideoSystem&1)?"PAL":"NTSC");\r
+ FCEU_printf(" Starting song: %d / %d\n\n",NSFHeader.StartingSong,NSFHeader.TotalSongs);\r
+\r
+ if(NSFHeader.SoundChip&4)\r
+ ExWRAM=FCEU_gmalloc(32768+8192);\r
+ else\r
+ ExWRAM=FCEU_gmalloc(8192);\r
+\r
+ FCEUI_SetVidSystem(NSFHeader.VideoSystem);\r
+\r
+ return 1;\r
+}\r
+\r
+static DECLFR(NSFVectorRead)\r
+{\r
+ if(((NSFNMIFlags&1) && SongReload) || (NSFNMIFlags&2) || doreset)\r
+ {\r
+ if(A==0xFFFA) return(0x00);\r
+ else if(A==0xFFFB) return(0x38);\r
+ else if(A==0xFFFC) return(0x20);\r
+ else if(A==0xFFFD) {doreset=0;return(0x38);}\r
+ return(X.DB);\r
+ }\r
+ else\r
+ return(CartBR(A));\r
+}\r
+\r
+void NSFVRC6_Init(void);\r
+void NSFVRC7_Init(void);\r
+void NSFMMC5_Init(void);\r
+void NSFN106_Init(void);\r
+void NSFAY_Init(void);\r
+\r
+void NSF_init(void)\r
+{\r
+ doreset=1;\r
+\r
+ ResetCartMapping();\r
+ if(NSFHeader.SoundChip&4)\r
+ {\r
+ SetupCartPRGMapping(0,ExWRAM,32768+8192,1);\r
+ setprg32(0x6000,0);\r
+ setprg8(0xE000,4);\r
+ memset(ExWRAM,0x00,32768+8192);\r
+ SetWriteHandler(0x6000,0xDFFF,CartBW);\r
+ SetReadHandler(0x6000,0xFFFF,CartBR);\r
+ }\r
+ else\r
+ {\r
+ memset(ExWRAM,0x00,8192);\r
+ SetReadHandler(0x6000,0x7FFF,CartBR);\r
+ SetWriteHandler(0x6000,0x7FFF,CartBW);\r
+ SetupCartPRGMapping(0,NSFDATA,((NSFMaxBank+1)*4096),0);\r
+ SetupCartPRGMapping(1,ExWRAM,8192,1);\r
+ setprg8r(1,0x6000,0);\r
+ SetReadHandler(0x8000,0xFFFF,CartBR);\r
+ }\r
+\r
+ if(BSon)\r
+ {\r
+ int32 x;\r
+ for(x=0;x<8;x++)\r
+ {\r
+ if(NSFHeader.SoundChip&4 && x>=6)\r
+ BANKSET(0x6000+(x-6)*4096,NSFHeader.BankSwitch[x]);\r
+ BANKSET(0x8000+x*4096,NSFHeader.BankSwitch[x]);\r
+ }\r
+ }\r
+ else\r
+ {\r
+ int32 x;\r
+ for(x=(LoadAddr&0xF000);x<0x10000;x+=0x1000)\r
+ BANKSET(x,((x-(LoadAddr&0x7000))>>12));\r
+ }\r
+\r
+ SetReadHandler(0xFFFA,0xFFFD,NSFVectorRead);\r
+\r
+ SetWriteHandler(0x2000,0x3fff,0);\r
+ SetReadHandler(0x2000,0x37ff,0);\r
+ SetReadHandler(0x3836,0x3FFF,0);\r
+ SetReadHandler(0x3800,0x3835,NSFROMRead);\r
+\r
+ SetWriteHandler(0x5ff6,0x5fff,NSF_write);\r
+\r
+ SetWriteHandler(0x3ff0,0x3fff,NSF_write);\r
+ SetReadHandler(0x3ff0,0x3fff,NSF_read);\r
+\r
+\r
+ if(NSFHeader.SoundChip&1) {\r
+ NSFVRC6_Init();\r
+ } else if(NSFHeader.SoundChip&2) {\r
+ NSFVRC7_Init();\r
+ } else if(NSFHeader.SoundChip&4) {\r
+ FDSSoundReset();\r
+ } else if(NSFHeader.SoundChip&8) {\r
+ NSFMMC5_Init();\r
+ } else if(NSFHeader.SoundChip&0x10) {\r
+ NSFN106_Init();\r
+ } else if(NSFHeader.SoundChip&0x20) {\r
+ NSFAY_Init();\r
+ }\r
+ CurrentSong=NSFHeader.StartingSong;\r
+ SongReload=0xFF;\r
+ NSFNMIFlags=0;\r
+}\r
+\r
+static DECLFW(NSF_write)\r
+{\r
+ switch(A)\r
+ {\r
+ case 0x3FF3:NSFNMIFlags|=1;break;\r
+ case 0x3FF4:NSFNMIFlags&=~2;break;\r
+ case 0x3FF5:NSFNMIFlags|=2;break;\r
+\r
+ case 0x5FF6:\r
+ case 0x5FF7:if(!(NSFHeader.SoundChip&4)) return;\r
+ case 0x5FF8:\r
+ case 0x5FF9:\r
+ case 0x5FFA:\r
+ case 0x5FFB:\r
+ case 0x5FFC:\r
+ case 0x5FFD:\r
+ case 0x5FFE:\r
+ case 0x5FFF:if(!BSon) return;\r
+ A&=0xF;\r
+ BANKSET((A*4096),V);\r
+ break;\r
+ }\r
+}\r
+\r
+static DECLFR(NSF_read)\r
+{\r
+ int x;\r
+\r
+ switch(A)\r
+ {\r
+ case 0x3ff0:x=SongReload;\r
+ if(!fceuindbg)\r
+ SongReload=0;\r
+ return x;\r
+ case 0x3ff1:\r
+ if(!fceuindbg)\r
+ {\r
+ memset(RAM,0x00,0x800);\r
+\r
+ BWrite[0x4015](0x4015,0x0);\r
+ for(x=0;x<0x14;x++)\r
+ BWrite[0x4000+x](0x4000+x,0);\r
+ BWrite[0x4015](0x4015,0xF);\r
+\r
+ if(NSFHeader.SoundChip&4)\r
+ {\r
+ BWrite[0x4017](0x4017,0xC0); /* FDS BIOS writes $C0 */\r
+ BWrite[0x4089](0x4089,0x80);\r
+ BWrite[0x408A](0x408A,0xE8);\r
+ }\r
+ else\r
+ {\r
+ memset(ExWRAM,0x00,8192);\r
+ BWrite[0x4017](0x4017,0xC0);\r
+ BWrite[0x4017](0x4017,0xC0);\r
+ BWrite[0x4017](0x4017,0x40);\r
+ }\r
+\r
+ if(BSon)\r
+ {\r
+ for(x=0;x<8;x++)\r
+ BANKSET(0x8000+x*4096,NSFHeader.BankSwitch[x]);\r
+ }\r
+ return (CurrentSong-1);\r
+ }\r
+ case 0x3FF3:return PAL;\r
+ }\r
+ return 0;\r
+}\r
+\r
+uint8 FCEU_GetJoyJoy(void);\r
+\r
+static int special=0;\r
+\r
+void DrawNSF(uint8 *XBuf)\r
+{\r
+ char snbuf[16];\r
+ int x;\r
+\r
+ if(vismode==0) return;\r
+\r
+ memset(XBuf,0,256*240);\r
+\r
+\r
+ {\r
+ int32 *Bufpl;\r
+ int32 mul=0;\r
+\r
+ int l;\r
+ l=GetSoundBuffer(&Bufpl);\r
+\r
+ if(special==0)\r
+ {\r
+ if(FSettings.SoundVolume)\r
+ mul=8192*240/(16384*FSettings.SoundVolume/50);\r
+ for(x=0;x<256;x++)\r
+ {\r
+ uint32 y;\r
+ y=142+((Bufpl[(x*l)>>8]*mul)>>14);\r
+ if(y<240)\r
+ XBuf[x+y*256]=3;\r
+ }\r
+ }\r
+ else if(special==1)\r
+ {\r
+ if(FSettings.SoundVolume)\r
+ mul=8192*240/(8192*FSettings.SoundVolume/50);\r
+ for(x=0;x<256;x++)\r
+ {\r
+ double r;\r
+ uint32 xp,yp;\r
+\r
+ r=(Bufpl[(x*l)>>8]*mul)>>14;\r
+ xp=128+r*cos(x*M_PI*2/256);\r
+ yp=120+r*sin(x*M_PI*2/256);\r
+ xp&=255;\r
+ yp%=240;\r
+ XBuf[xp+yp*256]=3;\r
+ }\r
+ }\r
+ else if(special==2)\r
+ {\r
+ static double theta=0;\r
+ if(FSettings.SoundVolume)\r
+ mul=8192*240/(16384*FSettings.SoundVolume/50);\r
+ for(x=0;x<128;x++)\r
+ {\r
+ double xc,yc;\r
+ double r,t;\r
+ uint32 m,n;\r
+\r
+ xc=(double)128-x;\r
+ yc=0-((double)( ((Bufpl[(x*l)>>8]) *mul)>>14));\r
+ t=M_PI+atan(yc/xc);\r
+ r=sqrt(xc*xc+yc*yc);\r
+\r
+ t+=theta;\r
+ m=128+r*cos(t);\r
+ n=120+r*sin(t);\r
+\r
+ if(m<256 && n<240)\r
+ XBuf[m+n*256]=3;\r
+\r
+ }\r
+ for(x=128;x<256;x++)\r
+ {\r
+ double xc,yc;\r
+ double r,t;\r
+ uint32 m,n;\r
+\r
+ xc=(double)x-128;\r
+ yc=(double)((Bufpl[(x*l)>>8]*mul)>>14);\r
+ t=atan(yc/xc);\r
+ r=sqrt(xc*xc+yc*yc);\r
+\r
+ t+=theta;\r
+ m=128+r*cos(t);\r
+ n=120+r*sin(t);\r
+\r
+ if(m<256 && n<240)\r
+ XBuf[m+n*256]=3;\r
+\r
+ }\r
+ theta+=(double)M_PI/256;\r
+ }\r
+ }\r
+\r
+ DrawTextTrans(XBuf+10*256+4+(((31-strlen((char*)NSFHeader.SongName))<<2)), 256, NSFHeader.SongName, 6);\r
+ DrawTextTrans(XBuf+26*256+4+(((31-strlen((char*)NSFHeader.Artist))<<2)), 256,NSFHeader.Artist, 6);\r
+ DrawTextTrans(XBuf+42*256+4+(((31-strlen((char*)NSFHeader.Copyright))<<2)), 256,NSFHeader.Copyright, 6);\r
+\r
+ DrawTextTrans(XBuf+70*256+4+(((31-strlen("Song:"))<<2)), 256, (uint8*)"Song:", 6);\r
+ sprintf(snbuf,"<%d/%d>",CurrentSong,NSFHeader.TotalSongs);\r
+ DrawTextTrans(XBuf+82*256+4+(((31-strlen(snbuf))<<2)), 256, (uint8*)snbuf, 6);\r
+\r
+ {\r
+ static uint8 last=0;\r
+ uint8 tmp;\r
+ tmp=FCEU_GetJoyJoy();\r
+ if((tmp&JOY_RIGHT) && !(last&JOY_RIGHT))\r
+ {\r
+ if(CurrentSong<NSFHeader.TotalSongs)\r
+ {\r
+ CurrentSong++;\r
+ SongReload=0xFF;\r
+ }\r
+ }\r
+ else if((tmp&JOY_LEFT) && !(last&JOY_LEFT))\r
+ {\r
+ if(CurrentSong>1)\r
+ {\r
+ CurrentSong--;\r
+ SongReload=0xFF;\r
+ }\r
+ }\r
+ else if((tmp&JOY_UP) && !(last&JOY_UP))\r
+ {\r
+ CurrentSong+=10;\r
+ if(CurrentSong>NSFHeader.TotalSongs) CurrentSong=NSFHeader.TotalSongs;\r
+ SongReload=0xFF;\r
+ }\r
+ else if((tmp&JOY_DOWN) && !(last&JOY_DOWN))\r
+ {\r
+ CurrentSong-=10;\r
+ if(CurrentSong<1) CurrentSong=1;\r
+ SongReload=0xFF;\r
+ }\r
+ else if((tmp&JOY_START) && !(last&JOY_START))\r
+ SongReload=0xFF;\r
+ else if((tmp&JOY_A) && !(last&JOY_A))\r
+ {\r
+ special=(special+1)%3;\r
+ }\r
+ last=tmp;\r
+ }\r
+}\r
+\r
+void DoNSFFrame(void)\r
+{\r
+ if(((NSFNMIFlags&1) && SongReload) || (NSFNMIFlags&2))\r
+ TriggerNMI();\r
+}\r
+\r
+void FCEUI_NSFSetVis(int mode)\r
+{\r
+ vismode=mode;\r
+}\r
+\r
+int FCEUI_NSFChange(int amount)\r
+{\r
+ CurrentSong+=amount;\r
+ if(CurrentSong<1) CurrentSong=1;\r
+ else if(CurrentSong>NSFHeader.TotalSongs) CurrentSong=NSFHeader.TotalSongs;\r
+ SongReload=0xFF;\r
+\r
+ return(CurrentSong);\r
+}\r
+\r
+/* Returns total songs */\r
+int FCEUI_NSFGetInfo(uint8 *name, uint8 *artist, uint8 *copyright, int maxlen)\r
+{\r
+ strncpy((char*)name,(char*)NSFHeader.SongName,maxlen);\r
+ strncpy((char*)artist,(char*)NSFHeader.Artist,maxlen);\r
+ strncpy((char*)copyright,(char*)NSFHeader.Copyright,maxlen);\r
+ return(NSFHeader.TotalSongs);\r
+}\r
notaz.gp2x.de / fceu.git / blobdiff