forked from sin365/AxibugEmuOnline
509 lines
24 KiB
C++
509 lines
24 KiB
C++
//////////////////////////////////////////////////////////////////////////
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// Mapper004 Nintendo MMC3 //
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//////////////////////////////////////////////////////////////////////////
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#define MMC3_IRQ_KLAX 1
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#define MMC3_IRQ_SHOUGIMEIKAN 2
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#define MMC3_IRQ_DAI2JISUPER 3
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#define MMC3_IRQ_DBZ2 4
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#define MMC3_IRQ_ROCKMAN3 5
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void Mapper004::Reset()
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{
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for( INT i = 0; i < 8; i++ ) {
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reg[i] = 0x00;
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}
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prg0 = 0;
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prg1 = 1;
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SetBank_CPU();
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chr01 = 0;
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chr23 = 2;
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chr4 = 4;
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chr5 = 5;
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chr6 = 6;
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chr7 = 7;
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SetBank_PPU();
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we_sram = 0; // Disable
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irq_enable = 0; // Disable
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irq_counter = 0;
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irq_latch = 0xFF;
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irq_request = 0;
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irq_preset = 0;
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irq_preset_vbl = 0;
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// IRQタイプ設定
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nes->SetIrqType( NES::IRQ_CLOCK );
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irq_type = 0;
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DWORD crc = nes->rom->GetPROM_CRC();
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if( crc == 0x5c707ac4 ) { // Mother(J)
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nes->SetIrqType( NES::IRQ_HSYNC );
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nes->SetRenderMethod( NES::TILE_RENDER );
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}
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if( crc == 0xcb106f49 ) { // F-1 Sensation(J)
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nes->SetRenderMethod( NES::TILE_RENDER );
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}
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if( crc == 0x1170392a ) { // Karakuri Kengou Den - Musashi Road - Karakuri Nin Hashiru!(J)
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nes->SetIrqType( NES::IRQ_HSYNC );
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}
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if( crc == 0x14a01c70 ) { // Gun-Dec(J)
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nes->SetRenderMethod( NES::TILE_RENDER );
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}
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if( crc == 0xeffeea40 ) { // For Klax(J)
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irq_type = MMC3_IRQ_KLAX;
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nes->SetIrqType( NES::IRQ_HSYNC );
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nes->SetRenderMethod( NES::TILE_RENDER );
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}
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if( crc == 0xc17ae2dc ) { // God Slayer - Haruka Tenkuu no Sonata(J)
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nes->SetRenderMethod( NES::TILE_RENDER );
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}
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if( crc == 0x126ea4a0 ) { // Summer Carnival '92 - Recca(J)
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nes->SetIrqType( NES::IRQ_HSYNC );
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}
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if( crc == 0x1f2f4861 ) { // J League Fighting Soccer - The King of Ace Strikers(J)
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nes->SetIrqType( NES::IRQ_HSYNC );
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}
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if( crc == 0x5a6860f1 ) { // Shougi Meikan '92(J)
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irq_type = MMC3_IRQ_SHOUGIMEIKAN;
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nes->SetIrqType( NES::IRQ_HSYNC );
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}
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if( crc == 0xae280e20 ) { // Shougi Meikan '93(J)
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irq_type = MMC3_IRQ_SHOUGIMEIKAN;
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nes->SetIrqType( NES::IRQ_HSYNC );
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}
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if( crc == 0xe19a2473 ) { // Sugoro Quest - Dice no Senshi Tachi(J)
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nes->SetIrqType( NES::IRQ_HSYNC );
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nes->SetRenderMethod( NES::TILE_RENDER );
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}
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if( crc == 0x702d9b33 ) { // Star Wars - The Empire Strikes Back(Victor)(J)
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nes->SetIrqType( NES::IRQ_HSYNC );
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}
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if( crc == 0xa9a0d729 ) { // Dai Kaijuu - Deburas(J)
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nes->SetRenderMethod( NES::TILE_RENDER );
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}
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if( crc == 0xc5fea9f2 ) { // Dai 2 Ji - Super Robot Taisen(J)
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irq_type = MMC3_IRQ_DAI2JISUPER;
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}
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if( crc == 0xd852c2f7 ) { // Time Zone(J)
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nes->SetRenderMethod( NES::TILE_RENDER );
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}
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if( crc == 0xecfd3c69 ) { // Taito Chase H.Q.(J)
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nes->SetRenderMethod( NES::TILE_RENDER );
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}
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if( crc == 0x7a748058 ) { // Tom & Jerry (and Tuffy)(J)
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nes->SetIrqType( NES::IRQ_HSYNC );
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}
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if( crc == 0xaafe699c ) { // Ninja Ryukenden 3 - Yomi no Hakobune(J)
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nes->SetRenderMethod( NES::TILE_RENDER );
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}
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if( crc == 0x6cc62c06 ) { // Hoshi no Kirby - Yume no Izumi no Monogatari(J)
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nes->SetRenderMethod( NES::TILE_RENDER );
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}
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if( crc == 0x877dba77 ) { // My Life My Love - Boku no Yume - Watashi no Negai(J)
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nes->SetIrqType( NES::IRQ_HSYNC );
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}
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if( crc == 0x6f96ed15 ) { // Max Warrior - Wakusei Kaigenrei(J)
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nes->SetIrqType( NES::IRQ_HSYNC );
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}
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if( crc == 0x8685f366 ) { // Matendouji(J)
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nes->SetRenderMethod( NES::TILE_RENDER );
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}
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if( crc == 0x8635fed1 ) { // Mickey Mouse 3 - Yume Fuusen(J)
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nes->SetRenderMethod( NES::TILE_RENDER );
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}
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if( crc == 0x26ff3ea2 ) { // Yume Penguin Monogatari(J)
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nes->SetIrqType( NES::IRQ_HSYNC );
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}
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if( crc == 0x7671bc51 ) { // Red Ariimaa 2(J)
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nes->SetIrqType( NES::IRQ_HSYNC );
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}
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if( crc == 0xade11141 ) { // Wanpaku Kokkun no Gourmet World(J)
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nes->SetIrqType( NES::IRQ_HSYNC );
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}
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if( crc == 0x7c7ab58e ) { // Walkuere no Bouken - Toki no Kagi Densetsu(J)
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nes->SetRenderMethod( NES::POST_RENDER );
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}
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if( crc == 0x26ff3ea2 ) { // Yume Penguin Monogatari(J)
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nes->SetRenderMethod( NES::TILE_RENDER );
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}
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if( crc == 0x126ea4a0 ) { // Summer Carnival '92 Recca(J)
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nes->SetRenderMethod( NES::TILE_RENDER );
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}
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if( crc == 0x1d2e5018 // Rockman 3(J)
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|| crc == 0x6b999aaf ) { // Megaman 3(U)
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irq_type = MMC3_IRQ_ROCKMAN3;
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}
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if( crc == 0xd88d48d7 ) { // Kick Master(U)
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irq_type = MMC3_IRQ_ROCKMAN3;
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}
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if( crc == 0xA67EA466 ) { // Alien 3(U)
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nes->SetRenderMethod( NES::TILE_RENDER );
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}
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if( crc == 0xe763891b ) { // DBZ2
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irq_type = MMC3_IRQ_DBZ2;
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}
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// VS-Unisystem
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vs_patch = 0;
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vs_index = 0;
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if( crc == 0xeb2dba63 // VS TKO Boxing
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|| crc == 0x98cfe016 ) { // VS TKO Boxing (Alt)
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vs_patch = 1;
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}
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if( crc == 0x135adf7c ) { // VS Atari RBI Baseball
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vs_patch = 2;
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}
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if( crc == 0xf9d3b0a3 // VS Super Xevious
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|| crc == 0x9924980a // VS Super Xevious (b1)
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|| crc == 0x66bb838f ) { // VS Super Xevious (b2)
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vs_patch = 3;
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}
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}
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BYTE Mapper004::ReadLow( WORD addr )
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{
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if( !vs_patch ) {
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if( addr >= 0x5000 && addr <= 0x5FFF ) {
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return XRAM[addr-0x4000];
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}
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} else if( vs_patch == 1 ) {
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// VS TKO Boxing Security
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if( addr == 0x5E00 ) {
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vs_index = 0;
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return 0x00;
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} else if( addr == 0x5E01 ) {
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BYTE VS_TKO_Security[32] = {
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0xff, 0xbf, 0xb7, 0x97, 0x97, 0x17, 0x57, 0x4f,
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0x6f, 0x6b, 0xeb, 0xa9, 0xb1, 0x90, 0x94, 0x14,
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0x56, 0x4e, 0x6f, 0x6b, 0xeb, 0xa9, 0xb1, 0x90,
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0xd4, 0x5c, 0x3e, 0x26, 0x87, 0x83, 0x13, 0x00 };
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return VS_TKO_Security[(vs_index++) & 0x1F];
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}
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} else if( vs_patch == 2 ) {
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// VS Atari RBI Baseball Security
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if( addr == 0x5E00 ) {
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vs_index = 0;
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return 0x00;
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} else if( addr == 0x5E01 ) {
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if( vs_index++ == 9 )
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return 0x6F;
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else
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return 0xB4;
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}
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} else if( vs_patch == 3 ) {
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// VS Super Xevious
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switch( addr ) {
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case 0x54FF:
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return 0x05;
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case 0x5678:
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if( vs_index )
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return 0x00;
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else
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return 0x01;
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break;
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case 0x578f:
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if( vs_index )
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return 0xD1;
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else
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return 0x89;
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break;
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case 0x5567:
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if( vs_index ) {
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vs_index = 0;
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return 0x3E;
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} else {
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vs_index = 1;
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return 0x37;
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}
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break;
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default:
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break;
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}
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}
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return Mapper::ReadLow( addr );
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}
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void Mapper004::WriteLow( WORD addr, BYTE data )
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{
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if( addr >= 0x5000 && addr <= 0x5FFF ) {
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XRAM[addr-0x4000] = data;
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} else {
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Mapper::WriteLow( addr, data );
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}
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}
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void Mapper004::Write( WORD addr, BYTE data )
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{
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//DEBUGOUT( "MPRWR A=%04X D=%02X L=%3d CYC=%d\n", addr&0xFFFF, data&0xFF, nes->GetScanline(), nes->cpu->GetTotalCycles() );
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switch( addr & 0xE001 ) {
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case 0x8000:
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reg[0] = data;
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SetBank_CPU();
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SetBank_PPU();
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break;
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case 0x8001:
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reg[1] = data;
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switch( reg[0] & 0x07 ) {
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case 0x00:
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chr01 = data & 0xFE;
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SetBank_PPU();
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break;
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case 0x01:
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chr23 = data & 0xFE;
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SetBank_PPU();
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break;
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case 0x02:
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chr4 = data;
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SetBank_PPU();
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break;
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case 0x03:
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chr5 = data;
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SetBank_PPU();
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break;
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case 0x04:
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chr6 = data;
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SetBank_PPU();
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break;
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case 0x05:
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chr7 = data;
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SetBank_PPU();
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break;
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case 0x06:
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prg0 = data;
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SetBank_CPU();
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break;
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case 0x07:
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prg1 = data;
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SetBank_CPU();
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break;
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}
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break;
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case 0xA000:
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reg[2] = data;
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if( !nes->rom->Is4SCREEN() ) {
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if( data & 0x01 ) SetVRAM_Mirror( VRAM_HMIRROR );
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else SetVRAM_Mirror( VRAM_VMIRROR );
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}
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break;
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case 0xA001:
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reg[3] = data;
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//DEBUGOUT( "MPRWR A=%04X D=%02X L=%3d CYC=%d\n", addr&0xFFFF, data&0xFF, nes->GetScanline(), nes->cpu->GetTotalCycles() );
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break;
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case 0xC000:
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//DEBUGOUT( "MPRWR A=%04X D=%02X L=%3d CYC=%d\n", addr&0xFFFF, data&0xFF, nes->GetScanline(), nes->cpu->GetTotalCycles() );
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reg[4] = data;
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if( irq_type == MMC3_IRQ_KLAX || irq_type == MMC3_IRQ_ROCKMAN3 ) {
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irq_counter = data;
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} else {
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irq_latch = data;
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}
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if( irq_type == MMC3_IRQ_DBZ2 ) {
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irq_latch = 0x07;
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}
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break;
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case 0xC001:
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reg[5] = data;
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if( irq_type == MMC3_IRQ_KLAX || irq_type == MMC3_IRQ_ROCKMAN3 ) {
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irq_latch = data;
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} else {
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if( (nes->GetScanline() < 240) || (irq_type == MMC3_IRQ_SHOUGIMEIKAN) ) {
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irq_counter |= 0x80;
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irq_preset = 0xFF;
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} else {
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irq_counter |= 0x80;
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irq_preset_vbl = 0xFF;
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irq_preset = 0;
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}
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}
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break;
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case 0xE000:
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reg[6] = data;
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irq_enable = 0;
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irq_request = 0;
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nes->cpu->ClrIRQ( IRQ_MAPPER );
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break;
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case 0xE001:
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reg[7] = data;
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irq_enable = 1;
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irq_request = 0;
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// nes->cpu->ClrIRQ( IRQ_MAPPER );
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break;
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}
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}
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void Mapper004::Clock( INT cycles )
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{
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// if( irq_request && (nes->GetIrqType() == NES::IRQ_CLOCK) ) {
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// nes->cpu->IRQ_NotPending();
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// }
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}
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void Mapper004::HSync( INT scanline )
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{
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if( irq_type == MMC3_IRQ_KLAX ) {
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if( (scanline >= 0 && scanline <= 239) && nes->ppu->IsDispON() ) {
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if( irq_enable ) {
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if( irq_counter == 0 ) {
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irq_counter = irq_latch;
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irq_request = 0xFF;
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}
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if( irq_counter > 0 ) {
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irq_counter--;
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}
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}
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}
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if( irq_request ) {
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nes->cpu->SetIRQ( IRQ_MAPPER );
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}
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} else if( irq_type == MMC3_IRQ_ROCKMAN3 ) {
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if( (scanline >= 0 && scanline <= 239) && nes->ppu->IsDispON() ) {
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if( irq_enable ) {
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if( !(--irq_counter) ) {
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irq_request = 0xFF;
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irq_counter = irq_latch;
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}
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}
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}
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if( irq_request ) {
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nes->cpu->SetIRQ( IRQ_MAPPER );
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}
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} else {
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if( (scanline >= 0 && scanline <= 239) && nes->ppu->IsDispON() ) {
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if( irq_preset_vbl ) {
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irq_counter = irq_latch;
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irq_preset_vbl = 0;
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}
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if( irq_preset ) {
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irq_counter = irq_latch;
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irq_preset = 0;
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if( irq_type == MMC3_IRQ_DAI2JISUPER && scanline == 0 ) {
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irq_counter--;
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}
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} else if( irq_counter > 0 ) {
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irq_counter--;
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}
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if( irq_counter == 0 ) {
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if( irq_enable ) {
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irq_request = 0xFF;
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nes->cpu->SetIRQ( IRQ_MAPPER );
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#if 0
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{
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LPBYTE lpScn = nes->ppu->GetScreenPtr();
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lpScn = lpScn+(256+16)*nes->GetScanline();
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for( INT i = 0; i < 16; i++ ) {
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lpScn[i] = 22;
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}
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}
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#endif
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}
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irq_preset = 0xFF;
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}
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}
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}
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// if( irq_request && (nes->GetIrqType() == NES::IRQ_HSYNC) ) {
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// nes->cpu->IRQ_NotPending();
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// }
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}
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void Mapper004::SetBank_CPU()
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{
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if( reg[0] & 0x40 ) {
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SetPROM_32K_Bank( PROM_8K_SIZE-2, prg1, prg0, PROM_8K_SIZE-1 );
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} else {
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SetPROM_32K_Bank( prg0, prg1, PROM_8K_SIZE-2, PROM_8K_SIZE-1 );
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}
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}
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void Mapper004::SetBank_PPU()
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{
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if( VROM_1K_SIZE ) {
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if( reg[0] & 0x80 ) {
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SetVROM_8K_Bank( chr4, chr5, chr6, chr7,
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chr01, chr01+1, chr23, chr23+1 );
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} else {
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SetVROM_8K_Bank( chr01, chr01+1, chr23, chr23+1,
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chr4, chr5, chr6, chr7 );
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}
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} else {
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if( reg[0] & 0x80 ) {
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SetCRAM_1K_Bank( 4, (chr01+0)&0x07 );
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SetCRAM_1K_Bank( 5, (chr01+1)&0x07 );
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SetCRAM_1K_Bank( 6, (chr23+0)&0x07 );
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SetCRAM_1K_Bank( 7, (chr23+1)&0x07 );
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SetCRAM_1K_Bank( 0, chr4&0x07 );
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SetCRAM_1K_Bank( 1, chr5&0x07 );
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SetCRAM_1K_Bank( 2, chr6&0x07 );
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SetCRAM_1K_Bank( 3, chr7&0x07 );
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} else {
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SetCRAM_1K_Bank( 0, (chr01+0)&0x07 );
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SetCRAM_1K_Bank( 1, (chr01+1)&0x07 );
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SetCRAM_1K_Bank( 2, (chr23+0)&0x07 );
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SetCRAM_1K_Bank( 3, (chr23+1)&0x07 );
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SetCRAM_1K_Bank( 4, chr4&0x07 );
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SetCRAM_1K_Bank( 5, chr5&0x07 );
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SetCRAM_1K_Bank( 6, chr6&0x07 );
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SetCRAM_1K_Bank( 7, chr7&0x07 );
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}
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}
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}
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void Mapper004::SaveState( LPBYTE p )
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{
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for( INT i = 0; i < 8; i++ ) {
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p[i] = reg[i];
|
||
}
|
||
p[ 8] = prg0;
|
||
p[ 9] = prg1;
|
||
p[10] = chr01;
|
||
p[11] = chr23;
|
||
p[12] = chr4;
|
||
p[13] = chr5;
|
||
p[14] = chr6;
|
||
p[15] = chr7;
|
||
p[16] = irq_enable;
|
||
p[17] = (BYTE)irq_counter;
|
||
p[18] = irq_latch;
|
||
p[19] = irq_request;
|
||
p[20] = irq_preset;
|
||
p[21] = irq_preset_vbl;
|
||
}
|
||
|
||
void Mapper004::LoadState( LPBYTE p )
|
||
{
|
||
for( INT i = 0; i < 8; i++ ) {
|
||
reg[i] = p[i];
|
||
}
|
||
prg0 = p[ 8];
|
||
prg1 = p[ 9];
|
||
chr01 = p[10];
|
||
chr23 = p[11];
|
||
chr4 = p[12];
|
||
chr5 = p[13];
|
||
chr6 = p[14];
|
||
chr7 = p[15];
|
||
irq_enable = p[16];
|
||
irq_counter = (INT)p[17];
|
||
irq_latch = p[18];
|
||
irq_request = p[19];
|
||
irq_preset = p[20];
|
||
irq_preset_vbl = p[21];
|
||
}
|