topland.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[tb+(tc<<4)+1]=RAM[ta+tc]>>4;
      }
      tb+=256;
   }

   if(!load_rom("ic43_41.010", RAM, 0x20000)) return;	// MAIN 68000
   for(ta=0;ta<0x20000;ta++){
      ROM[ta+ta]=RAM[ta];
   }
   if(!load_rom("ic13_40.010", RAM, 0x20000)) return;
   for(ta=0;ta<0x20000;ta++){
      ROM[ta+ta+1]=RAM[ta];
   }
   if(!load_rom("ic42_25.010", RAM, 0x20000)) return;	// MAIN 68000
   for(ta=0;ta<0x20000;ta++){
      ROM[ta+ta+0x40000]=RAM[ta];
   }
   if(!load_rom("ic13_24.010", RAM, 0x20000)) return;
   for(ta=0;ta<0x20000;ta++){
      ROM[ta+ta+0x40001]=RAM[ta];
   }
   if(!load_rom("ic41_23.010", RAM, 0x20000)) return;	// MAIN 68000
   for(ta=0;ta<0x20000;ta++){
      ROM[ta+ta+0x80000]=RAM[ta];
   }
   if(!load_rom("ic12_22.010", RAM, 0x20000)) return;
   for(ta=0;ta<0x20000;ta++){
      ROM[ta+ta+0x80001]=RAM[ta];
   }

   RAMSize=0x60000+0x10000;

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

   Z80ROM=RAM+0x60000;
   if(!load_rom("ic34_42.512", Z80ROM, 0x10000)) return;		// Z80 SOUND ROM

   if(!(PCMROM=AllocateMem(0xC0000))) return;
   if(!load_rom("ic1_13.010",PCMROM+0x00000,0x20000)) return;		// ADPCM A rom
   if(!load_rom("ic2_14.010",PCMROM+0x20000,0x20000)) return;		// ADPCM A rom
   if(!load_rom("ic3_15.010",PCMROM+0x40000,0x20000)) return;		// ADPCM A rom
   if(!load_rom("ic4_16.010",PCMROM+0x60000,0x20000)) return;		// ADPCM A rom
   if(!load_rom("ic5_17.010",PCMROM+0x80000,0x20000)) return;		// ADPCM A rom
   if(!load_rom("ic31_18.010",PCMROM+0xA0000,0x20000)) return;		// ADPCM A rom
   YM2610SetBuffers(PCMROM, PCMROM, 0xC0000, 0xC0000);

   AddTaitoYM2610(0x0338, 0x02A5, 0x10000);

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

   memset(RAM+0x00000,0x00,0x60000);
   memset(RAM+0x55000,0xFF,0x00400);

   GFX_FG0   = RAM+0x56000;
   RAM_VIDEO = RAM+0x10000;
   RAM_COLOUR= RAM+0x39000;
   RAM_INPUT = RAM+0x55200;

   GFX_BG0_SOLID = make_solid_mask_16x16(GFX_BG0, 0x2000);

   InitPaletteMap(RAM_COLOUR, 0x40, 0x10, 0x8000);

   set_colour_mapper(&col_map_xxbb_bbxg_gggx_rrrr);

   WriteWord68k(&ROM[0xE1CE],0x4E71);

   // Fix TMS320C25 ERROR
   // -------------------

   WriteByte68k(&ROM[0x08AE],0x60);

   // Fix DMA ERROR
   // -------------

   WriteByte68k(&ROM[0x09C4],0x60);

   // Fix SOUND CPU ERROR
   // -------------------

   WriteByte68k(&ROM[0x0B22],0x60);
   WriteByte68k(&ROM[0xE8A6],0x60);
   WriteByte68k(&ROM[0xE93E],0x60);

   // 68000 Speed hack
   // ----------------

   //WriteLong68k(&ROM[0x072E],0x13FC0000);	// move.b #$00,$AA0000
   //WriteLong68k(&ROM[0x0732],0x00AA0000);	//

   // Fix ROM Checksum
   // ----------------

   WriteLong68k(&ROM[0x04A0],0x4E714E71);		// nop; nop
   WriteLong68k(&ROM[0x04C2],0x4E714E71);		// nop; nop

   // Init tc0004vcu emulation
   // ------------------------

   tc0004vcu.RAM	= RAM_VIDEO;
   tc0004vcu.GFX_BG0	= GFX_BG0;
   tc0004vcu.GFX_BG0_MSK= GFX_BG0_SOLID;
   tc0004vcu.GFX_FG0	= GFX_FG0;
   tc0004vcu.tile_mask	= 0x1FFF;
   tc0004vcu.bmp_x	= 64;
   tc0004vcu.bmp_y	= 64;
   tc0004vcu.bmp_w	= 512;
   tc0004vcu.bmp_h	= 400;
   tc0004vcu.scr_x	= 0;
   tc0004vcu.scr_y	= 48;

   tc0004vcu_init();

   // Init tc0220ioc emulation
   // ------------------------

   tc0220ioc.RAM  = RAM_INPUT;
   tc0220ioc.ctrl = 0;		//TC0220_STOPCPU;
   reset_tc0220ioc();

/*
 *  StarScream Stuff follows
 */

   ByteSwap(ROM,0xC0000);
   ByteSwap(RAM,0x60000);

   AddMemFetch(0x000000, 0x0BFFFF, ROM+0x000000-0x000000);	// 68000 ROM
   AddMemFetch(-1, -1, NULL);

   AddReadByte(0x000000, 0x0BFFFF, NULL, ROM+0x000000);			// 68000 ROM
   AddReadByte(0x0C0000, 0x0CFFFF, NULL, RAM+0x000000);			// 68000 RAM
   AddReadByte(0x800000, 0x820FFF, NULL, RAM+0x010000);			// VIDEO RAM
   AddReadByte(0x180000, 0x18BFFF, NULL, RAM+0x031000);			// ??? RAM
   AddReadByte(0x908000, 0x91FFFF, NULL, RAM+0x03D000);			// ??? RAM
   AddReadByte(0xA00000, 0xA003FF, NULL, RAM+0x055000);			// I/O RAM
   AddReadByte(0xA80000, 0xA80003, tc0140syt_read_main_68k, NULL);	// SOUND COMM
   AddReadByte(0x000000, 0xFFFFFF, DefBadReadByte, NULL);		// <Bad Reads>
   AddReadByte(-1, -1, NULL, NULL);

   AddReadWord(0x000000, 0x0BFFFF, NULL, ROM+0x000000);			// 68000 ROM
   AddReadWord(0x0C0000, 0x0CFFFF, NULL, RAM+0x000000);			// 68000 RAM
   AddReadWord(0x800000, 0x820FFF, NULL, RAM+0x010000);			// VIDEO RAM
   AddReadWord(0x180000, 0x18BFFF, NULL, RAM+0x031000);			// ??? RAM
   AddReadWord(0x908000, 0x91FFFF, NULL, RAM+0x03D000);			// ??? RAM
   AddReadWord(0xA00000, 0xA003FF, NULL, RAM+0x055000);			// I/O RAM
   AddReadWord(0x000000, 0xFFFFFF, BadReadWord, NULL);			// <Bad Reads>
   AddReadWord(-1, -1, NULL, NULL);

   AddWriteByte(0x0C0000, 0x0CFFFF, NULL, RAM+0x000000);		// 68000 RAM
   AddWriteByte(0x800000, 0x820FFF, NULL, RAM+0x010000);		// VIDEO RAM
   AddWriteByte(0x180000, 0x18BFFF, NULL, RAM+0x031000);		// ??? RAM
   AddWriteByte(0x908000, 0x91FFFF, NULL, RAM+0x03D000);		// ??? RAM
   AddWriteByte(0xA80000, 0xA80003, tc0140syt_write_main_68k, NULL);	// SOUND COMM
   AddWriteByte(0xAA0000, 0xAA0001, Stop68000, NULL);			// Trap Idle 68000
   AddWriteByte(0x000000, 0xFFFFFF, BadWriteByte, NULL);		// <Bad Writes>
   AddWriteByte(-1, -1, NULL, NULL);

   AddWriteWord(0x0C0000, 0x0CFFFF, NULL, RAM+0x000000);		// 68000 RAM
   AddWriteWord(0x800000, 0x820FFF, NULL, RAM+0x010000);		// VIDEO RAM
   AddWriteWord(0x180000, 0x18BFFF, NULL, RAM+0x031000);		// ??? RAM
   AddWriteWord(0x908000, 0x91FFFF, NULL, RAM+0x03D000);		// ??? RAM
   AddWriteWord(0x000000, 0xFFFFFF, BadWriteWord, NULL);		// <Bad Writes>
   AddWriteWord(-1, -1, NULL, NULL);

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

void ClearTopLanding(void)
{
   RemoveTaitoYM2610();

   #ifdef RAINE_DEBUG
      save_debug("ROM.bin",ROM,0x0C0000,1);
      save_debug("RAM.bin",RAM,0x080000,1);
      //save_debug("GFX.bin",GFX,0x200000,0);
   #endif
}

void ExecuteTopLandingFrame(void)
{
   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);

   Taito2610_Frame();			// Z80 and YM2610
}

void DrawTopLanding(void)
{
   ClearPaletteMap();

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

   tc0004vcu_layer_count = 0;

   // BG0
   // ---

   tc0004vcu_render_bg0();

   // BG1
   // ---

   tc0004vcu_render_bg1();

   // OBJECT
   // ------

   tc0004vcu_render_obj();

   // FG0
   // ---

   //tc0004vcu_render_fg0();
}

/*

TOP LANDING (C) 19xx TAITO
--------------------------

Main CPU....68000
Sound CPU...Z80


ROM CONTENTS
------------

Filename    | Description
------------+---------------------
IC12_22.010 | ? #3 (odd)
IC13_24.010 | ? #2 (odd)
IC13_40.010 | 68000 ROM (block#1) (odd)
IC1_13.010  | ADPCM SAMPLE DATA#1
IC22_28.764 | xxx
IC27_29.010 | x1
IC28_30.010 | x2
IC29_31.010 | x3
IC2_14.010  | ADPCM SAMPLE DATA#2
IC30_32.010 | x4
IC31_18.010 | ADPCM SAMPLE DATA#6
IC34_42.512 | Z80 ROM
IC35_21.764 | DEBUG 68000 ROM(?) (even)
IC39_33.010 | x5
IC3_15.010  | ADPCM SAMPLE DATA#3
IC40_34.010 | x6
IC41_23.010 | ? #3 (even)
IC42_25.010 | ? #2 (even)
IC43_41.010 | 68000 ROM (block#1) (even)
IC47_35.010 | x7
IC48_36.010 | x8
IC4_16.010  | ADPCM SAMPLE DATA#4
IC5_17.010  | ADPCM SAMPLE DATA#5
IC6_20.764  | DEBUG 68000 ROM(?) (odd)

*/