73 lines
2.1 KiB
C#
73 lines
2.1 KiB
C#
//////////////////////////////////////////////////////////////////////////
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// Mapper086 Jaleco Early Mapper #2 //
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//////////////////////////////////////////////////////////////////////////
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using static VirtualNes.MMU;
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using static VirtualNes.Core.CPU;
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using INT = System.Int32;
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using BYTE = System.Byte;
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using System;
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using Codice.CM.Client.Differences;
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namespace VirtualNes.Core
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{
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public class Mapper086 : Mapper
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{
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BYTE reg, cnt;
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public Mapper086(NES parent) : base(parent)
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{
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}
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public override void Reset()
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{
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SetPROM_32K_Bank(0, 1, 2, 3);
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SetVROM_8K_Bank(0);
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reg = 0xFF;
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cnt = 0;
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}
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//void Mapper086::WriteLow(WORD addr, BYTE data)
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public override void WriteLow(ushort addr, byte data)
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{
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if (addr == 0x6000)
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{
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SetPROM_32K_Bank((data & 0x30) >> 4);
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SetVROM_8K_Bank((data & 0x03) | ((data & 0x40) >> 4));
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}
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if (addr == 0x7000)
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{
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if ((reg & 0x10) == 0 && ((data & 0x10) != 0) && cnt == 0)
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{
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//DEBUGOUT( "WR:$%02X\n", data );
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if ((data & 0x0F) == 0 // Strike
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|| (data & 0x0F) == 5)
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{ // Foul
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cnt = 60; // 次の発声を1秒程禁止する
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}
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// OSDにするべきか…
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if (Supporter.Config.sound.bExtraSoundEnable)
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{
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//TODO : 似乎VirtuaNES有直接播放某个音频文件的功能
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//DirectSound.EsfAllStop();
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//DirectSound.EsfPlay(ESF_MOEPRO_STRIKE + (data & 0x0F));
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}
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}
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reg = data;
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}
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}
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//void Mapper086::VSync()
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public override void VSync()
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{
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if (cnt != 0)
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{
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cnt--;
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}
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}
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}
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}
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