deadconx.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

      GFX_BG0[tb+1]=TMP[ta]>>4;
      GFX_BG0[tb+2]=TMP[ta+1]&15;
      GFX_BG0[tb+3]=TMP[ta+1]>>4;
   }
   tb=4;
   if(!load_rom_index(4, TMP, 0x80000)) return;	// 16x16 TILES
   for(ta=0;ta<0x80000;ta+=2,tb+=8){
      GFX_BG0[tb+0]=TMP[ta]&15;
      GFX_BG0[tb+1]=TMP[ta]>>4;
      GFX_BG0[tb+2]=TMP[ta+1]&15;
      GFX_BG0[tb+3]=TMP[ta+1]>>4;
   }

   FreeMem(TMP);

   GFX_BG0_SOLID = make_solid_mask_16x16(GFX_BG0, 0x2000);
   GFX_SPR_SOLID = make_solid_mask_16x16(GFX_SPR, 0x4000);

   if(!(RAM=AllocateMem(0x60000))) return;
   if(!(ROM=AllocateMem(0x100000))) return;

   if(!load_rom_index(5, RAM, 0x40000)) return;
   for(ta=0;ta<0x40000;ta++){
      ROM[ta+ta]=RAM[ta];
   }
   if(!load_rom_index(9, RAM, 0x40000)) return;
   for(ta=0;ta<0x40000;ta++){
      ROM[ta+ta+1]=RAM[ta];
   }
   if(!load_rom_index(7, RAM, 0x40000)) return;
   for(ta=0;ta<0x40000;ta++){
      ROM[ta+ta+0x80000]=RAM[ta];
   }
   if(!load_rom_index(6, RAM, 0x40000)) return;
   for(ta=0;ta<0x40000;ta++){
      ROM[ta+ta+0x80001]=RAM[ta];
   }

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

   Z80ROM=RAM+0x40000;
   if(!load_rom_index(8, Z80ROM, 0x10000)) return;	// Z80 SOUND ROM

   if(!(PCMROM=AllocateMem(0x100000))) return;
   if(!load_rom_index(2, PCMROM, 0x100000)) return;	// ADPCM A rom
   YM2610SetBuffers(PCMROM, PCMROM, 0x100000, 0x100000);

   AddTaitoYM2610(0x01D5, 0x0175, 0x10000);

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

   memset(RAM+0x00000,0x00,0x40000);
   memset(RAM+0x34100,0xFF,0x04000);

   RAMSize=0x40000+0x20000;

   set_colour_mapper(&col_map_rrrr_gggg_bbbb_xxxx);
   InitPaletteMap(RAM+0x30000, 0x100, 0x10, 0x1000);

   set_colour_mapper(&col_map_rrrr_gggg_bbbb_xxxx);

   RAM_BG0=RAM+0x20000;
   RAM_BG1=RAM+0x21000;
   RAM_BG2=RAM+0x22000;
   RAM_BG3=RAM+0x23000;

   RAM_SCR0=RAM+0x34000;
   RAM_SCR1=RAM+0x34002;
   RAM_SCR2=RAM+0x34004;
   RAM_SCR3=RAM+0x34006;
   RAM_SCR4=RAM+0x34018;

   SCR0_XOFS=0x0022 - 1;
   SCR1_XOFS=0x001E - 1;
   SCR2_XOFS=0x001A - 1;
   SCR3_XOFS=0x0016 - 1;
   SCR4_XOFS=0x0022 + 1;

   SCR0_YOFS=0x0008;
   SCR1_YOFS=0x0008;
   SCR2_YOFS=0x0008;
   SCR3_YOFS=0x0008;
   SCR4_YOFS=0x0008;

   // 68000 Speed Hack
   // ----------------

   WriteLong68k(&ROM[0x1AE2],0x13FC0000);	// move.b #$00,$AA0000
   WriteLong68k(&ROM[0x1AE6],0x00AA0000);
   WriteWord68k(&ROM[0x1AEA],0x6100-10);	// bra.s <loop>

   ROM[0x7FFFD] = 0x10;

   // Init tc0006vcu emulation
   // ------------------------

   if(!(tc0006vcu.GFX_FG = AllocateMem(0x4000))) return;

   tc0006vcu.RAM	= RAM+0x20000;
   tc0006vcu.RAM_SCR	= RAM+0x34000;
   tc0006vcu.GFX_BG	= GFX_BG0;
   tc0006vcu.GFX_BG_MASK= GFX_BG0_SOLID;
   tc0006vcu.tile_mask  = 0x1FFF;
// Mapper disabled
   tc0006vcu.pal_ofs	= 0;
   tc0006vcu.bmp_x	= 48;
   tc0006vcu.bmp_y	= 48;
   tc0006vcu.bmp_w	= 320;
   tc0006vcu.bmp_h	= 224;
   tc0006vcu.scr_x[0]	= SCR0_XOFS;
   tc0006vcu.scr_x[1]	= SCR1_XOFS;
   tc0006vcu.scr_x[2]	= SCR2_XOFS;
   tc0006vcu.scr_x[3]	= SCR3_XOFS;
   tc0006vcu.scr_x[4]	= SCR4_XOFS;
   tc0006vcu.scr_y[0]	= SCR0_YOFS;
   tc0006vcu.scr_y[1]	= SCR1_YOFS;
   tc0006vcu.scr_y[2]	= SCR2_YOFS;
   tc0006vcu.scr_y[3]	= SCR3_YOFS;
   tc0006vcu.scr_y[4]	= SCR4_YOFS;

   init_tc0006vcu();

   // Init tc0200obj emulation
   // ------------------------

   tc0200obj.RAM	= RAM+0x10000;
   tc0200obj.RAM_B	= RAM+0x18000;
   tc0200obj.GFX	= GFX_SPR;
   tc0200obj.MASK	= GFX_SPR_SOLID;
   tc0200obj.bmp_x	= 48;
   tc0200obj.bmp_y	= 48;
   tc0200obj.bmp_w	= 320;
   tc0200obj.bmp_h	= 224;
// Mapper disabled
   tc0200obj.tile_mask	= 0x3FFF;
   tc0200obj.ofs_x	= 0;
   tc0200obj.ofs_y	= 0;

   tc0200obj.cols	= 16;

   init_tc0200obj();

/*
 *  StarScream Stuff follows
 */

   ByteSwap(ROM,0x100000);
   ByteSwap(RAM,0x40000);

   AddMemFetch(0x000000, 0x0FFFFF, ROM+0x000000-0x000000);	// 68000 ROM
   AddMemFetch(-1, -1, NULL);

   AddReadByte(0x000000, 0x0FFFFF, NULL, ROM+0x000000);			// 68000 ROM
   AddReadByte(0x100000, 0x10FFFF, NULL, RAM+0x000000);			// 68000 RAM
   AddReadByte(0x200000, 0x20FFFF, NULL, RAM+0x010000);			// OBJECT RAM
   AddReadByte(0x400000, 0x40FFFF, NULL, RAM+0x020000);			// SCREEN RAM
   AddReadByte(0x600000, 0x603FFF, NULL, RAM+0x030000);			// COLOR RAM
   AddReadByte(0x700000, 0x70001F, NULL, RAM+0x034100);			// INPUT
   AddReadByte(0xA00000, 0xA00003, tc0140syt_read_main_68k, NULL);	// SOUND COMM
   AddReadByte(0x000000, 0xFFFFFF, DefBadReadByte, NULL);		// <Bad Reads>
   AddReadByte(-1, -1, NULL, NULL);

   AddReadWord(0x000000, 0x0FFFFF, NULL, ROM+0x000000);			// 68000 ROM
   AddReadWord(0x100000, 0x10FFFF, NULL, RAM+0x000000);			// 68000 RAM
   AddReadWord(0x200000, 0x20FFFF, NULL, RAM+0x010000);			// OBJECT RAM
   AddReadWord(0x400000, 0x40FFFF, NULL, RAM+0x020000);			// SCREEN RAM
   AddReadWord(0x600000, 0x603FFF, NULL, RAM+0x030000);			// COLOR RAM
   AddReadWord(0x000000, 0xFFFFFF, BadReadWord, NULL);			// <Bad Reads>
   AddReadWord(-1, -1,NULL, NULL);

   AddWriteByte(0x100000, 0x10FFFF, NULL, RAM+0x000000);		// 68000 RAM
   AddWriteByte(0x200000, 0x20FFFF, NULL, RAM+0x010000);		// OBJECT RAM
   AddWriteByte(0x400000, 0x40DFFF, NULL, RAM+0x020000);		// SCREEN RAM
   AddWriteByte(0x40E000, 0x40FFFF, tc0006vcu_gfx_fg0_wb, NULL);	// FG0 GFX RAM
   AddWriteByte(0x600000, 0x603FFF, NULL, RAM+0x030000);		// COLOR RAM
   AddWriteByte(0xA00000, 0xA00003, tc0140syt_write_main_68k, NULL);	// SOUND COMM
   AddWriteByte(0xAA0000, 0xAA0001, Stop68000, NULL);			// Trap Idle 68000
   AddWriteByte(0x000000, 0xFFFFFF, DefBadWriteByte, NULL);		// <Bad Writes>
   AddWriteByte(-1, -1, NULL, NULL);

   AddWriteWord(0x100000, 0x10FFFF, NULL, RAM+0x000000);		// 68000 RAM
   AddWriteWord(0x200000, 0x20FFFF, NULL, RAM+0x010000);		// OBJECT RAM
   AddWriteWord(0x400000, 0x40DFFF, NULL, RAM+0x020000);		// SCREEN RAM
   AddWriteWord(0x40E000, 0x40FFFF, tc0006vcu_gfx_fg0_ww, NULL);	// FG0 GFX RAM
   AddWriteWord(0x600000, 0x603FFF, NULL, RAM+0x030000);		// COLOR RAM
   AddWriteWord(0x430000, 0x4300FF, NULL, RAM+0x034000);		// SCROLL
   AddWriteWord(0x300000, 0x30000F, NULL, RAM+0x034200);		// SPRITE BANKING
   AddWriteWord(0x500000, 0x50001F, NULL, RAM+0x034300);		// ???
   AddWriteWord(0x000000, 0xFFFFFF, BadWriteWord, NULL);		// <Bad Writes>
   AddWriteWord(-1, -1, NULL, NULL);

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

void ClearDeadConnection(void)
{
   RemoveTaitoYM2610();

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

void ExecuteDeadConnectionFrame(void)
{
   cpu_execute_cycles(CPU_68K_0, CPU_FRAME_MHz(16,60));	// M68000 16MHz (60fps)
   /*#ifdef RAINE_DEBUG
      print_debug("PC:%06x SR:%04x\n",s68000context.pc,s68000context.sr);
   #endif*/
   cpu_interrupt(CPU_68K_0, 6);
   cpu_interrupt(CPU_68K_0, 5);

   Taito2610_Frame();			// Z80 and YM2610

   IntF3System();

   debug_tc0006vcu();
}

void DrawDeadConnection(void)
{
   ClearPaletteMap();

   make_object_bank(RAM+0x034200);

   tc0006vcu_layer_count = 0;

   tc0006vcu_render_layer(0);

   render_tc0200obj_mapped_fchamp(0x40);

   tc0006vcu_render_layer(1);

   render_tc0200obj_mapped_fchamp(0x80);

   tc0006vcu_render_layer(2);

   render_tc0200obj_mapped_fchamp(0xC0);

   tc0006vcu_render_layer(3);

   render_tc0200obj_mapped_fchamp(0x00);

   tc0006vcu_render_fg0();
}


/*

-----------+-----------------------
File       | Contents
-----------+-----------------------
d28-01.rom | 16x16 Sprite Tiles (odd)
d28-02.rom | 16x16 Sprite Tiles (even)
d28-03.rom | YM2610 ADPCM
d28-04.rom | 16x16 BG0 Tiles (odd)
d28-05.rom | 16x16 BG0 Tiles (even)
d28-06.rom | 68000 (block 0; even)
d28-08.rom | 68000 (block 1; odd)
d28-09.rom | 68000 (block 1; even)
d28-10.rom | Z80
d28-12.rom | 68000 (block 0; odd)
-----------+-----------------------

*/