bsystem.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

   AddReadWord(0x418000, 0x41801F, NULL, RAM_VIDEO_2);			// SCREEN RAM
   AddReadWord(0x500000, 0x50003F, pb_input_rw, NULL);			// input
   AddReadWord(0x000000, 0xFFFFFF, DefBadReadWord, NULL);		// <Bad Reads>
   AddReadWord(-1, -1,NULL, NULL);

   AddWriteByte(0x900000, 0x90FFFF, NULL, RAM+0x000000);		// 68000 RAM
   AddWriteByte(0x400000, 0x413FFF, NULL, RAM_VIDEO);			// SCREEN RAM
   AddWriteByte(0x800000, 0x801FFF, NULL, RAM_COLOUR);			// COLOR RAM
   AddWriteByte(0x700000, 0x700003, tc0140syt_write_main_68k, NULL);	// SOUND COMM
   AddWriteByte(0x418000, 0x41801F, NULL, RAM_VIDEO_2);			// SCREEN RAM
   AddWriteByte(0xAA0000, 0xAA0001, Stop68000, NULL);			// Trap Idle 68000
   AddWriteByte(0x500000, 0x50003F, pb_input_wb, NULL);			// input
   AddWriteByte(0x000000, 0xFFFFFF, DefBadWriteByte, NULL);		// <Bad Writes>
   AddWriteByte(-1, -1, NULL, NULL);

   AddWriteWord(0x900000, 0x90FFFF, NULL, RAM+0x000000);		// 68000 RAM
   AddWriteWord(0x400000, 0x413FFF, NULL, RAM_VIDEO);			// SCREEN RAM
   AddWriteWord(0x800000, 0x801FFF, NULL, RAM_COLOUR);			// COLOR RAM
   AddWriteWord(0x418000, 0x41801F, NULL, RAM_VIDEO_2);			// SCREEN RAM
   AddWriteWord(0x500000, 0x50003F, pb_input_ww, NULL);			// input
   AddWriteWord(0x000000, 0xFFFFFF, DefBadWriteWord, NULL);		// <Bad Writes>
   AddWriteWord(-1, -1, NULL, NULL);

   AddInitMemory();	// Set Starscream mem pointers... 
}

void clear_puzzle_bobble_b_system(void)
{
   save_eeprom();

   RemoveTaitoYM2610();

   #ifdef RAINE_DEBUG
      save_debug("RAM.bin",RAM,0x040000,1);
   #endif
}

void execute_space_dx_frame(void)
{
   #ifdef RAINE_DEBUG
   vcu_debug_info();
   #endif

   cpu_execute_cycles(CPU_68K_0, CPU_FRAME_MHz(12,60));	// M68000 12MHz (60fps)

   #ifdef RAINE_DEBUG
   print_debug("PC:%06x SR:%04x\n",s68000context.pc,s68000context.sr);
   #endif

   cpu_interrupt(CPU_68K_0, 5);
   cpu_interrupt(CPU_68K_0, 3);

   Taito2610_Frame();			// Z80 and YM2610
}

void execute_puzzle_bobble_b_system_frame(void)
{
   #ifdef RAINE_DEBUG
   vcu_debug_info();
   #endif

   cpu_execute_cycles(CPU_68K_0, CPU_FRAME_MHz(10,60));	// M68000 12MHz (60fps)

   #ifdef RAINE_DEBUG
   print_debug("PC:%06x SR:%04x\n",s68000context.pc,s68000context.sr);
   #endif

   cpu_interrupt(CPU_68K_0, 3);

   cpu_execute_cycles(CPU_68K_0, CPU_FRAME_MHz(2,60));	// M68000 12MHz (60fps)
   cpu_interrupt(CPU_68K_0, 5);

   Taito2610_Frame();			// Z80 and YM2610
}

void load_space_dx(void)
{
   int ta,tb,tc;

   if(!(RAM=AllocateMem(0x80000+0x10000))) return;
   if(!(GFX=AllocateMem(0x140000))) return;

   GFX_BG0 = GFX+0x000000;
   GFX_BG2 = GFX+0x100000;

   if(!load_rom("d89-02", RAM, 0x40000)) return;
   tb=0;
   for(ta=0;ta<0x40000;ta+=2){
      tc=RAM[ta+0];
      GFX[tb+0]=((tc&0x80)>>7)<<3;
      GFX[tb+1]=((tc&0x40)>>6)<<3;
      GFX[tb+2]=((tc&0x20)>>5)<<3;
      GFX[tb+3]=((tc&0x10)>>4)<<3;
      GFX[tb+4]=((tc&0x08)>>3)<<3;
      GFX[tb+5]=((tc&0x04)>>2)<<3;
      GFX[tb+6]=((tc&0x02)>>1)<<3;
      GFX[tb+7]=((tc&0x01)>>0)<<3;
      tc=RAM[ta+1];
      GFX[tb+0]|=((tc&0x80)>>7)<<2;
      GFX[tb+1]|=((tc&0x40)>>6)<<2;
      GFX[tb+2]|=((tc&0x20)>>5)<<2;
      GFX[tb+3]|=((tc&0x10)>>4)<<2;
      GFX[tb+4]|=((tc&0x08)>>3)<<2;
      GFX[tb+5]|=((tc&0x04)>>2)<<2;
      GFX[tb+6]|=((tc&0x02)>>1)<<2;
      GFX[tb+7]|=((tc&0x01)>>0)<<2;
      tb+=16;
      if((tb&0x7F)==0){tb-=0x78;}
      else{if((tb&0x7F)==8){tb-=8;}}
   }
   for(ta=0;ta<0x10000;ta+=2){
      tc=RAM[ta+0];
      GFX[tb+0]=((tc&0x80)>>7)<<3;
      GFX[tb+1]=((tc&0x40)>>6)<<3;
      GFX[tb+2]=((tc&0x20)>>5)<<3;
      GFX[tb+3]=((tc&0x10)>>4)<<3;
      GFX[tb+4]=((tc&0x08)>>3)<<3;
      GFX[tb+5]=((tc&0x04)>>2)<<3;
      GFX[tb+6]=((tc&0x02)>>1)<<3;
      GFX[tb+7]=((tc&0x01)>>0)<<3;
      tc=RAM[ta+1];
      GFX[tb+0]|=((tc&0x80)>>7)<<2;
      GFX[tb+1]|=((tc&0x40)>>6)<<2;
      GFX[tb+2]|=((tc&0x20)>>5)<<2;
      GFX[tb+3]|=((tc&0x10)>>4)<<2;
      GFX[tb+4]|=((tc&0x08)>>3)<<2;
      GFX[tb+5]|=((tc&0x04)>>2)<<2;
      GFX[tb+6]|=((tc&0x02)>>1)<<2;
      GFX[tb+7]|=((tc&0x01)>>0)<<2;
      tb+=8;
   }
   if(!load_rom("d89-01", RAM, 0x40000)) return;
   tb=0;
   for(ta=0;ta<0x40000;ta+=2){
      tc=RAM[ta+0];
      GFX[tb+0]|=((tc&0x80)>>7)<<1;
      GFX[tb+1]|=((tc&0x40)>>6)<<1;
      GFX[tb+2]|=((tc&0x20)>>5)<<1;
      GFX[tb+3]|=((tc&0x10)>>4)<<1;
      GFX[tb+4]|=((tc&0x08)>>3)<<1;
      GFX[tb+5]|=((tc&0x04)>>2)<<1;
      GFX[tb+6]|=((tc&0x02)>>1)<<1;
      GFX[tb+7]|=((tc&0x01)>>0)<<1;
      tc=RAM[ta+1];
      GFX[tb+0]|=((tc&0x80)>>7)<<0;
      GFX[tb+1]|=((tc&0x40)>>6)<<0;
      GFX[tb+2]|=((tc&0x20)>>5)<<0;
      GFX[tb+3]|=((tc&0x10)>>4)<<0;
      GFX[tb+4]|=((tc&0x08)>>3)<<0;
      GFX[tb+5]|=((tc&0x04)>>2)<<0;
      GFX[tb+6]|=((tc&0x02)>>1)<<0;
      GFX[tb+7]|=((tc&0x01)>>0)<<0;
      tb+=16;
      if((tb&0x7F)==0){tb-=0x78;}
      else{if((tb&0x7F)==8){tb-=8;}}
   }
   for(ta=0;ta<0x10000;ta+=2){
      tc=RAM[ta+0];
      GFX[tb+0]|=((tc&0x80)>>7)<<1;
      GFX[tb+1]|=((tc&0x40)>>6)<<1;
      GFX[tb+2]|=((tc&0x20)>>5)<<1;
      GFX[tb+3]|=((tc&0x10)>>4)<<1;
      GFX[tb+4]|=((tc&0x08)>>3)<<1;
      GFX[tb+5]|=((tc&0x04)>>2)<<1;
      GFX[tb+6]|=((tc&0x02)>>1)<<1;
      GFX[tb+7]|=((tc&0x01)>>0)<<1;
      tc=RAM[ta+1];
      GFX[tb+0]|=((tc&0x80)>>7)<<0;
      GFX[tb+1]|=((tc&0x40)>>6)<<0;
      GFX[tb+2]|=((tc&0x20)>>5)<<0;
      GFX[tb+3]|=((tc&0x10)>>4)<<0;
      GFX[tb+4]|=((tc&0x08)>>3)<<0;
      GFX[tb+5]|=((tc&0x04)>>2)<<0;
      GFX[tb+6]|=((tc&0x02)>>1)<<0;
      GFX[tb+7]|=((tc&0x01)>>0)<<0;
      tb+=8;
   }

   /*-----[Sound Setup]-----*/

   Z80ROM=RAM+0x80000;
   if(!load_rom("d89-07", Z80ROM, 0x10000)) return;		// Z80 SOUND ROM

   if(!(PCMROM=AllocateMem(0x80000))) return;
   if(!load_rom("d89-03",PCMROM,0x80000)) return;		// ADPCM A rom
   YM2610SetBuffers(PCMROM, PCMROM, 0x80000, 0x80000);

   AddTaitoYM2610(0x017F, 0x0152, 0x10000);

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

   memset(RAM+0x00000,0x00,0x80000);
   memset(RAM+0x72000,0xFF,0x00100);

   RAMSize=0x80000+0x10000;

   EEPROM = RAM + 0x72200;

   eeprom_data = (UINT16 *) EEPROM;

   add_eeprom(EEPROM, 0x80, EPR_INVALIDATE_ON_ROM_CHANGE);
   load_eeprom();

   RAM_VIDEO  = RAM+0x50000;
   RAM_INPUT  = RAM+0x72000;
   RAM_COLOUR = RAM+0x70000;

   GFX_BG0_SOLID = make_solid_mask_16x16(GFX_BG0, 0x1000);
   GFX_BG2_SOLID = make_solid_mask_8x8  (GFX_BG2, 0x1000);

   InitPaletteMap(RAM_COLOUR, 0x100, 0x10, 0x1000);

   set_colour_mapper(&col_map_rrrr_gggg_bbbb_xxxx);

   // EEPROM Access Hacks
/*
   WriteLong68k(&ROM[0x81EE],0x13FC0000);	// move.b #$00,$BB0000
   WriteLong68k(&ROM[0x81F2],0x00BB0000);	// (EEP-ROM READ HACK)
   WriteWord68k(&ROM[0x81F6],0x4E75);

   WriteLong68k(&ROM[0x826A],0x13FC0001);	// move.b #$01,$BB0000
   WriteLong68k(&ROM[0x826E],0x00BB0000);	// (EEP-ROM WRITE HACK)
   WriteWord68k(&ROM[0x8272],0x4E75);
*/
   // Fix ROM Checksum

   WriteWord68k(&ROM[0x1AF2],0x4E75);		// rts

   // Speed Hacking

   WriteLong68k(&ROM[0x08F2],0x4E714E71);	// nop; nop
   WriteLong68k(&ROM[0x08F6],0x4E714E71);	// nop; nop
   WriteLong68k(&ROM[0x08FA],0x4E714E71);	// nop; nop

   WriteLong68k(&ROM[0x05DA],0x13FC0000);	// move.b #$00,$AA0000
   WriteLong68k(&ROM[0x05DE],0x00AA0000);	// (SPEED HACK)
   WriteLong68k(&ROM[0x05E2],0x4E714E71);	// nop; nop

   // Init tc0180vcu emulation
   // ------------------------

   tc0180vcu.RAM	= RAM_VIDEO;
   tc0180vcu.RAM_2	= RAM_VIDEO+0x18000;
   tc0180vcu.GFX_BG0	= GFX_BG0;
   tc0180vcu.GFX_BG0_MSK= GFX_BG0_SOLID;
   tc0180vcu.GFX_BG2	= GFX_BG2;
   tc0180vcu.GFX_BG2_MSK= GFX_BG2_SOLID;
   tc0180vcu.tile_mask	= 0x0FFF;
   tc0180vcu.bmp_x	= 32;
   tc0180vcu.bmp_y	= 32;
   tc0180vcu.bmp_w	= 320;
   tc0180vcu.bmp_h	= 224;
   tc0180vcu.scr_x	= 0;
   tc0180vcu.scr_y	= 16;

   vcu_make_col_bankmap(0x40,0x00,0x40,0x80,0xC0);

/*
 *  StarScream Stuff follows
 */

   ByteSwap(ROM,0x40000);
   ByteSwap(RAM,0x72000);

   AddMemFetch(0x000000, 0x03FFFF, ROM+0x000000-0x000000);	// 68000 ROM
   AddMemFetch(-1, -1, NULL);

   AddReadByte(0x000000, 0x03FFFF, NULL, ROM+0x000000);			// 68000 ROM
   AddReadByte(0x900000, 0x90FFFF, NULL, RAM+0x000000);			// 68000 RAM
   AddReadByte(0x440000, 0x47FFFF, NULL, RAM+0x010000);			// SCREEN RAM
   AddReadByte(0x400000, 0x41FFFF, NULL, RAM_VIDEO);			// SCREEN RAM
   AddReadByte(0x800000, 0x801FFF, NULL, RAM_COLOUR);			// COLOR RAM
   AddReadByte(0x500000, 0x50003F, pb_input_rb, NULL);			// input
   AddReadByte(0x700000, 0x700003, tc0140syt_read_main_68k, NULL);	// SOUND COMM
   AddReadByte(0x000000, 0xFFFFFF, DefBadReadByte, NULL);		// <Bad Reads>
   AddReadByte(-1, -1, NULL, NULL);

   AddReadWord(0x000000, 0x03FFFF, NULL, ROM+0x000000);			// 68000 ROM
   AddReadWord(0x900000, 0x90FFFF, NULL, RAM+0x000000);			// 68000 RAM
   AddReadWord(0x440000, 0x47FFFF, NULL, RAM+0x010000);			// SCREEN RAM
   AddReadWord(0x400000, 0x41FFFF, NULL, RAM_VIDEO);			// SCREEN RAM
   AddReadWord(0x800000, 0x801FFF, NULL, RAM_COLOUR);			// COLOR RAM
   AddReadWord(0x500000, 0x50003F, pb_input_rw, NULL);			// input
   AddReadWord(0x000000, 0xFFFFFF, DefBadReadWord, NULL);		// <Bad Reads>
   AddReadWord(-1, -1,NULL, NULL);

   AddWriteByte(0x900000, 0x90FFFF, NULL, RAM+0x000000);		// 68000 RAM
   AddWriteByte(0x440000, 0x47FFFF, NULL, RAM+0x010000);		// SCREEN RAM
   AddWriteByte(0x400000, 0x41FFFF, NULL, RAM_VIDEO);			// SCREEN RAM
   AddWriteByte(0x800000, 0x801FFF, NULL, RAM_COLOUR);			// COLOR RAM
   AddWriteByte(0x700000, 0x700003, tc0140syt_write_main_68k, NULL);	// SOUND COMM
   AddWriteByte(0xAA0000, 0xAA0001, Stop68000, NULL);			// Trap Idle 68000
   AddWriteByte(0x500000, 0x50003F, pb_input_wb, NULL);			// input
   AddWriteByte(0x000000, 0xFFFFFF, DefBadWriteByte, NULL);		// <Bad Writes>
   AddWriteByte(-1, -1, NULL, NULL);

   AddWriteWord(0x900000, 0x90FFFF, NULL, RAM+0x000000);		// 68000 RAM
   AddWriteWord(0x440000, 0x47FFFF, NULL, RAM+0x010000);		// SCREEN RAM
   AddWriteWord(0x400000, 0x41FFFF, NULL, RAM_VIDEO);			// SCREEN RAM
   AddWriteWord(0x800000, 0x801FFF, NULL, RAM_COLOUR);			// COLOR RAM
   AddWriteWord(0x500000, 0x50003F, pb_input_ww, NULL);			// input
   AddWriteWord(0x000000, 0xFFFFFF, DefBadWriteWord, NULL);		// <Bad Writes>
   AddWriteWord(-1, -1, NULL, NULL);

   AddInitMemory();	// Set Starscream mem pointers... 
}

void draw_space_dx(void)
{
   static int do_clear;

   int x,y,ta,zz;
   UINT8 *bit,*map;

   ClearPaletteMap();

   // Init tc0180vcu emulation
   // ------------------------

   tc0180vcu_layer_count = 0;

   // BG0
   // ---

   vcu_render_bg0();

   // BG0
   // ---

   vcu_render_bg1();

   // PIXEL
   // -----

   if((RAM_VIDEO[0x1800F]&0x80)!=0){

   if((RAM_VIDEO[0x1800F]&0x40)!=0)
      zz=0x00000;
   else
      zz=0x20000;

   zz+=(16*512);
   zz&=0x3FFFF;

   for(ta=15;ta>=0;ta--){

      MAP_PALETTE_MAPPED_NEW(
         ta|0x80,
         16,
         map
      );

   }

   for(y=0;y<224;y++){
   bit = GameViewBitmap->line[y];
   zz+=0x10000;
   for(x=0;x<320;x+=2){
      if(RAM[zz]!=0){bit[x+1] = map[RAM[zz]];}
      if(RAM[zz+1]!=0){bit[x] = map[RAM[zz+1]];}
      zz+=2;
   }
   zz-=0x10000;
   zz+=(512-320);
   zz&=0x3FFFF;
   }

   do_clear=1;
   }
   else{
      if(do_clear){
         do_clear=0;
         memset(RAM+0x10000,0x00,0x40000);
      }
   }

   // BG2
   // ---

   vcu_render_bg2();

}