AxibugEmuOnline/Core/VirtualNes.Core/Mapper/Mapper086.cs

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