robokid.c

十七种模拟器源代码 非常有用的作课程设计不可缺少的

   }

   FG0_Mask = make_solid_mask_8x8(GFX_FG0, 0x400);

   return 1;
}

static int MS1DecodeSPR(UINT8 *src, UINT32 size)
{
   UINT32 ta,tb;

   if(!(GFX_SPR=AllocateMem(0x100000))) return(0);
   memset(GFX_SPR,0x00,0x100000);

   tb=0;
   for(ta=0;ta<size;ta+=4){
      GFX_SPR[tb+0]=(src[ta+0]>>4)^15;
      GFX_SPR[tb+1]=(src[ta+0]&15)^15;
      GFX_SPR[tb+2]=(src[ta+1]>>4)^15;
      GFX_SPR[tb+3]=(src[ta+1]&15)^15;
      GFX_SPR[tb+4]=(src[ta+2]>>4)^15;
      GFX_SPR[tb+5]=(src[ta+2]&15)^15;
      GFX_SPR[tb+6]=(src[ta+3]>>4)^15;
      GFX_SPR[tb+7]=(src[ta+3]&15)^15;
      tb+=16;
      if((tb&0xFF)==0){tb-=0xF8;}
      else{if((tb&0xFF)==8){tb-=8;}}
   }

   SPR_Mask = make_solid_mask_16x16(GFX_SPR, 0x1000);

   return 1;
}

static int MS1DecodeBG2(UINT8 *src, UINT32 size)
{
   UINT32 ta,tb;

   if(!(GFX_BG2=AllocateMem(0x100000))) return(0);
   memset(GFX_BG2,0x00,0x100000);

   tb=0;
   for(ta=0;ta<size;ta+=4){
      GFX_BG2[tb+0]=(src[ta+0]>>4)^15;
      GFX_BG2[tb+1]=(src[ta+0]&15)^15;
      GFX_BG2[tb+2]=(src[ta+1]>>4)^15;
      GFX_BG2[tb+3]=(src[ta+1]&15)^15;
      GFX_BG2[tb+4]=(src[ta+2]>>4)^15;
      GFX_BG2[tb+5]=(src[ta+2]&15)^15;
      GFX_BG2[tb+6]=(src[ta+3]>>4)^15;
      GFX_BG2[tb+7]=(src[ta+3]&15)^15;
      tb+=16;
      if((tb&0xFF)==0){tb-=0xF8;}
      else{if((tb&0xFF)==8){tb-=8;}}
   }

   BG2_Mask = make_solid_mask_16x16(GFX_BG2, 0x1000);

   return 1;
}

static int MS1DecodeBG1(UINT8 *src, UINT32 size)
{
   UINT32 ta,tb;

   if(!(GFX_BG1=AllocateMem(0x100000))) return(0);
   memset(GFX_BG1,0x00,0x100000);

   tb=0;
   for(ta=0;ta<size;ta+=4){
      GFX_BG1[tb+0]=(src[ta+0]>>4)^15;
      GFX_BG1[tb+1]=(src[ta+0]&15)^15;
      GFX_BG1[tb+2]=(src[ta+1]>>4)^15;
      GFX_BG1[tb+3]=(src[ta+1]&15)^15;
      GFX_BG1[tb+4]=(src[ta+2]>>4)^15;
      GFX_BG1[tb+5]=(src[ta+2]&15)^15;
      GFX_BG1[tb+6]=(src[ta+3]>>4)^15;
      GFX_BG1[tb+7]=(src[ta+3]&15)^15;
      tb+=16;
      if((tb&0xFF)==0){tb-=0xF8;}
      else{if((tb&0xFF)==8){tb-=8;}}
   }

   BG1_Mask = make_solid_mask_16x16(GFX_BG1, 0x1000);

   return 1;
}

static int MS1DecodeBG0(UINT8 *src, UINT32 size)
{
   UINT32 ta,tb;

   if(!(GFX_BG0=AllocateMem(0x100000))) return(0);
   memset(GFX_BG0,0x00,0x100000);

   tb=0;
   for(ta=0;ta<size;ta+=4){
      GFX_BG0[tb+0]=(src[ta+0]>>4)^15;
      GFX_BG0[tb+1]=(src[ta+0]&15)^15;
      GFX_BG0[tb+2]=(src[ta+1]>>4)^15;
      GFX_BG0[tb+3]=(src[ta+1]&15)^15;
      GFX_BG0[tb+4]=(src[ta+2]>>4)^15;
      GFX_BG0[tb+5]=(src[ta+2]&15)^15;
      GFX_BG0[tb+6]=(src[ta+3]>>4)^15;
      GFX_BG0[tb+7]=(src[ta+3]&15)^15;
      tb+=16;
      if((tb&0xFF)==0){tb-=0xF8;}
      else{if((tb&0xFF)==8){tb-=8;}}
   }

   BG0_Mask = make_solid_mask_16x16(GFX_BG0, 0x1000);

   return 1;
}

/******************************************************************************/

void RoboKidLoadUpdate(void)
{
   UINT8 ta;

   #ifdef RAINE_DEBUG
   print_debug("Robokid Load Callback()\n");
   #endif

   // Bank Refresh

   ta = Z80Bank;
   Z80Bank = -1;
   RoboKidBankWrite(0,ta);

   // BG RAM Bank Refresh

   if(romset==0){
      RoboKidBG0BankWrite(0xDD05,RAM[0xDD05]);
      RoboKidBG1BankWrite(0xDE05,RAM[0xDE05]);
      RoboKidBG2BankWrite(0xDF05,RAM[0xDF05]);
   }
}

void LoadRoboKid(void)
{
   UINT8 *TMP;

   romset=0;
   Z80BankCount=0x40000/0x4000;

   if(!(ROM=AllocateMem(0xC000*Z80BankCount))) return;
   if(!(ROM2=AllocateMem(0x10000))) return;

   RAMSize    = 0x10000+0x10000+0x2000+0x10;

   if(!(RAM=AllocateMem(RAMSize))) return;

   RAM2       = RAM+0x10000;
   RAM_VIDEO  = RAM+0x10000+0x10000;

   if(!(TMP =AllocateMem(0x40000))) return;

   if(is_current_game("robokid")){

   if(!load_rom("robokid1.18j",TMP+0x00000,0x10000)) return;	// Z80 MAIN ROM *
   if(!load_rom("robokid2.18k",TMP+0x10000,0x10000)) return;	// Z80 MAIN ROM

   // Fix ROM Checksum

   TMP[0x33e2]=0x18;  // JR xx

   }
   else{

   if(!load_rom("1.29",TMP+0x00000,0x10000)) return;	// Z80 MAIN ROM *
   if(!load_rom("2.30",TMP+0x10000,0x10000)) return;	// Z80 MAIN ROM

   // Fix ROM Checksum

   TMP[0x3401]=0x18;  // JR xx

   }

   if(!load_rom("robokid3.15k",TMP+0x20000,0x10000)) return;	// Z80 MAIN ROM
   if(!load_rom("robokid4.12k",TMP+0x30000,0x10000)) return;	// Z80 MAIN ROM

   // Decustomize Interrupt

   TMP[0x0039]=0x10;

   // Skip Idle Z80

   TMP[0x0108]=0xD3;  // OUTA (AAh)
   TMP[0x0109]=0xAA;  //

   SetStopZ80BMode2(0x010A);

   init_bank_rom(TMP,ROM,0);

   memset(RAM+0x00000, 0x00, 0x10000);
   memset(RAM+0x0DC00, 0xFF, 0x00010);
   memcpy(RAM, TMP, 0x8000+0x4000);

   AddZ80BROMBase(RAM, 0x0010, 0x0066);

   AddZ80BReadByte(0x0000, 0xBFFF, NULL,			NULL);		// Z80 ROM/BANK ROM
   AddZ80BReadByte(0xE000, 0xFFFF, NULL,			RAM+0xE000);	// RAM/OBJECT RAM
   AddZ80BReadByte(0xC000, 0xCFFF, NULL,			RAM+0xC000);	// COLOR/FG0 RAM
   AddZ80BReadByte(0xD000, 0xDBFF, RoboKidBG012Read,		NULL);		// BG0-2 RAM
   AddZ80BReadByte(0xDC00, 0xDC0F, NULL,			RAM+0xDC00);	// INPUT
   AddZ80BReadByte(0x0000, 0xFFFF, DefBadReadZ80,		NULL);		// <bad reads>
   AddZ80BReadByte(-1, -1, NULL, NULL);

   AddZ80BWriteByte(0xE000, 0xFFFF, NULL,			RAM+0xE000);	// RAM/OBJECT RAM
   AddZ80BWriteByte(0xC000, 0xCFFF, NULL,			RAM+0xC000);	// COLOR/FG0 RAM
   AddZ80BWriteByte(0xD000, 0xDBFF, RoboKidBG012Write,		NULL);		// BG0-2 RAM
   AddZ80BWriteByte(0xDC00, 0xDC00, RoboKidSoundWrite,		NULL);		// SOUND
   AddZ80BWriteByte(0xDC02, 0xDC02, RoboKidBankWrite,		NULL);		// ROM BANK
   AddZ80BWriteByte(0xDD05, 0xDD05, RoboKidBG0BankWrite,	NULL);		// BG0 BANK
   AddZ80BWriteByte(0xDE05, 0xDE05, RoboKidBG1BankWrite,	NULL);		// BG1 BANK
   AddZ80BWriteByte(0xDF05, 0xDF05, RoboKidBG2BankWrite,	NULL);		// BG2 BANK
   AddZ80BWriteByte(0xDD00, 0xDFFF, NULL,			RAM+0xDD00);	// SCROLL
   AddZ80BWriteByte(0x0000, 0xFFFF, DefBadWriteZ80,		NULL);		// <bad writes>
   AddZ80BWriteByte(-1, -1, NULL, NULL);

   AddZ80BReadPort(0x00, 0xFF, DefBadReadZ80,			NULL);		// <bad reads>
   AddZ80BReadPort(-1, -1, NULL, NULL);

   AddZ80BWritePort(0xAA, 0xAA, StopZ80BMode2,			NULL);		// Trap Idle Z80
   AddZ80BWritePort(0x00, 0xFF, DefBadWriteZ80,			NULL);		// <bad writes>
   AddZ80BWritePort(-1, -1, NULL, NULL);

   AddZ80BInit();

   if(!load_rom("robokid.k7",ROM2+0x00000,0x10000)) return;	// Z80 SUB ROM

   // Skip Idle Z80
   // -------------

   ROM2[0x00B2]=0xD3;  // OUTA (AAh)
   ROM2[0x00B3]=0xAA;  //

   SetStopZ80CMode2(0x00B2);

   memset(RAM2+0x00000, 0x00, 0x10000);
   memcpy(RAM2, ROM2, 0x8000+0x4000);

   AddZ80CROMBase(RAM2, 0x0038, 0x0066);

   AddZ80CReadByte(0x0000, 0xC7FF, NULL,			RAM2+0x0000);	// Z80 ROM/BANK ROM/RAM
   AddZ80CReadByte(0xE000, 0xE000, RoboKidSoundRead,		NULL);		// SOUND
   AddZ80CReadByte(0x0000, 0xFFFF, DefBadReadZ80,		NULL);		// <bad reads>
   AddZ80CReadByte(-1, -1, NULL, NULL);

   AddZ80CWriteByte(0xC000, 0xC7FF, NULL,			RAM2+0xC000);	// RAM
   AddZ80CWriteByte(0x0000, 0xFFFF, DefBadWriteZ80,		NULL);		// <bad writes>
   AddZ80CWriteByte(-1, -1, NULL, NULL);

   AddZ80CReadPort(0x00, 0x01, YM2203AReadZ80,			NULL);		// YM2203#1
   AddZ80CReadPort(0x80, 0x81, YM2203BReadZ80,			NULL);		// YM2203#2
   AddZ80CReadPort(0x00, 0xFF, DefBadReadZ80,			NULL);		// <bad reads>
   AddZ80CReadPort(-1, -1, NULL, NULL);

   AddZ80CWritePort(0x00, 0x01, YM2203AWriteZ80,		NULL);		// YM2203#1
   AddZ80CWritePort(0x80, 0x81, YM2203BWriteZ80,		NULL);		// YM2203#2
   AddZ80CWritePort(0xAA, 0xAA, StopZ80CMode2,			NULL);		// Trap Idle Z80
   AddZ80CWritePort(0x00, 0xFF, DefBadWriteZ80,			NULL);		// <bad writes>
   AddZ80CWritePort(-1, -1, NULL, NULL);

   AddZ80CInit();

   FreeMem(TMP);

   /*-----------------------*/

   if(!(TMP=AllocateMem(0x080000))) return;

   if(!load_rom("robokid.b9", TMP, 0x8000)) return;           // 8x8 FG0 TILES *
   if(!MS1DecodeFG0(TMP,0x08000))return;

   if(!load_rom("robokid.15f", TMP+0x00000, 0x10000)) return;  // 16x16 SPRITES *
   if(!load_rom("robokid.16f", TMP+0x10000, 0x10000)) return;  // 16x16 SPRITES *
   if(!load_rom("robokid.17f", TMP+0x20000, 0x10000)) return;  // 16x16 SPRITES *
   if(!load_rom("robokid.18f", TMP+0x30000, 0x10000)) return;  // 16x16 SPRITES *
   if(!MS1DecodeSPR(TMP,0x40000))return;

   memset(TMP,0xFF,0x80000);
   if(!load_rom("robokid.19c", TMP+0x00000, 0x10000)) return;  // 16x16 BG0 *
   if(!load_rom("robokid.20c", TMP+0x10000, 0x10000)) return;  // 16x16 BG0 *
   if(!load_rom("robokid.17d", TMP+0x20000, 0x10000)) return;  // 16x16 BG0 ?
   if(!load_rom("robokid.18d", TMP+0x30000, 0x10000)) return;  // 16x16 BG0 *
   if(!load_rom("robokid.19d", TMP+0x40000, 0x10000)) return;  // 16x16 BG0 ?
   if(!load_rom("robokid.20d", TMP+0x50000, 0x10000)) return;  // 16x16 BG0 *
   if(!load_rom("robokid.19f", TMP+0x60000, 0x10000)) return;  // 16x16 BG0 *
   if(!MS1DecodeBG0(TMP,0x80000))return;

   memset(TMP,0xFF,0x80000);
   if(!load_rom("robokid.12c", TMP+0x00000, 0x10000)) return;  // 16x16 BG1
   if(!load_rom("robokid.14c", TMP+0x10000, 0x10000)) return;  // 16x16 BG1 *
   if(!load_rom("robokid.15c", TMP+0x20000, 0x10000)) return;  // 16x16 BG1 *
   if(!load_rom("robokid.16c", TMP+0x30000, 0x10000)) return;  // 16x16 BG1 * (why 16a?)
   if(!load_rom("robokid.17c", TMP+0x40000, 0x10000)) return;  // 16x16 BG1 *
   if(!load_rom("robokid.18c", TMP+0x50000, 0x10000)) return;  // 16x16 BG1 *
   if(!load_rom("robokid.15d", TMP+0x60000, 0x10000)) return;  // 16x16 BG1 *
   if(!load_rom("robokid.16d", TMP+0x70000, 0x10000)) return;  // 16x16 BG1 *
   if(!MS1DecodeBG1(TMP,0x80000))return;

   memset(TMP,0xFF,0x80000);
   if(!load_rom("robokid.12a", TMP+0x00000, 0x10000)) return;  // 16x16 BG2
   if(!load_rom("robokid.14a", TMP+0x10000, 0x10000)) return;  // 16x16 BG2 *
   if(!load_rom("robokid.15a", TMP+0x20000, 0x10000)) return;  // 16x16 BG2
   if(!load_rom("robokid.16a", TMP+0x30000, 0x10000)) return;  // 16x16 BG2 * (why 16c?)
   if(!load_rom("robokid.17a", TMP+0x40000, 0x10000)) return;  // 16x16 BG2 *
   if(!load_rom("robokid.18a", TMP+0x50000, 0x10000)) return;  // 16x16 BG2 *
   if(!MS1DecodeBG2(TMP,0x80000))return;

   FreeMem(TMP);

   RoboKidBG012Init();

   RAM_BG0 = RAM_VIDEO+0x1000;
   RAM_BG1 = RAM_VIDEO+0x0800;
   RAM_BG2 = RAM_VIDEO+0x0000;
   RAM_FG0 = RAM+0xC800;
   RAM_SPR = RAM+0xFA00;
   SCR_BG0 = RAM+0xDD00;
   SCR_BG1 = RAM+0xDE00;
   SCR_BG2 = RAM+0xDF00;

   mask_bg0 = 0x00;
   mask_bg1 = 0x00;
   mask_bg2 = 0x00;
   mask_fg0 = 0x30;
   mask_spr = 0x20;

   InitPaletteMap(RAM+0xC000, 0x40, 0x10, 0x1000);

   set_colour_mapper(&col_map_rrrr_gggg_bbbb_xxxx_68k);

   AddLoadCallback(RoboKidLoadUpdate);

   AddSaveData(SAVE_USER_0, (UINT8 *) &Z80Bank,             sizeof(Z80Bank));
   AddSaveData(SAVE_USER_1, (UINT8 *) &sound_byte,          sizeof(sound_byte));
}

void ClearRoboKid(void)
{
   #ifdef RAINE_DEBUG
      save_debug("RAM.BIN", RAM, RAMSize, 0);
   #endif
}

void ExecuteRoboKidFrame(void)
{
   cpu_execute_cycles(CPU_Z80_1, CPU_FRAME_MHz(8,60));	// Main Z80 8MHz (60fps)
   /*#ifdef RAINE_DEBUG
      print_debug("Z80PC_MAIN:%04x [%04x]\n",z80pc,ReadWord(&RAM[0xE000]));
   #endif*/
   cpu_interrupt(CPU_Z80_1, 0x10);

   cpu_execute_cycles(CPU_Z80_2, CPU_FRAME_MHz(6,60));	// Sub Z80 6MHz (60fps)
   /*#ifdef RAINE_DEBUG
      print_debug("Z80PC_SUB:%04x\n",z80pc);
   #endif*/
   cpu_interrupt(CPU_Z80_2, 0x38);
   cpu_interrupt(CPU_Z80_2, 0x38);
}

static UINT16 bg_map[0x10] =
{
  0x0000+0x0000+0x0000+0x0000,	// 0x00
  0x0800+0x0000+0x0000+0x0000,	// 0x10
  0x0000+0x0400+0x0000+0x0000,	// 0x20
  0x0800+0x0400+0x0000+0x0000,	// 0x30