119 lines
2.2 KiB
C++
119 lines
2.2 KiB
C++
#include "StdAfx.h"
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#include "linux/paddle.h"
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#include "Log.h"
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#include "Memory.h"
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#include "Common.h"
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#include "CPU.h"
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namespace
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{
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unsigned __int64 g_nJoyCntrResetCycle = 0; // Abs cycle that joystick counters were reset
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const double PDL_CNTR_INTERVAL = 2816.0 / 255.0; // 11.04 (From KEGS)
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}
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std::shared_ptr<const Paddle> & Paddle::instance()
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{
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static std::shared_ptr<const Paddle> singleton = std::make_shared<Paddle>();
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return singleton;
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}
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std::set<int> Paddle::ourButtons;
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void Paddle::setButtonPressed(int i)
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{
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ourButtons.insert(i);
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}
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void Paddle::setButtonReleased(int i)
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{
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ourButtons.erase(i);
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}
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Paddle::Paddle()
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{
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}
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bool Paddle::getButton(int i) const
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{
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return false;
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}
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int Paddle::getAxis(int i) const
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{
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return 0;
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}
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Paddle::~Paddle()
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{
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}
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BYTE __stdcall JoyReadButton(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG uExecutedCycles)
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{
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addr &= 0xFF;
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BOOL pressed = 0;
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if (Paddle::ourButtons.find(addr) != Paddle::ourButtons.end())
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{
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pressed = 1;
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}
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else
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{
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const std::shared_ptr<const Paddle> & paddle = Paddle::instance();
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if (paddle)
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{
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switch (addr)
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{
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case Paddle::ourOpenApple:
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pressed = paddle->getButton(0);
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break;
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case Paddle::ourClosedApple:
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pressed = paddle->getButton(1);
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break;
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case Paddle::ourThirdApple:
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break;
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}
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}
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}
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return MemReadFloatingBus(pressed, uExecutedCycles);
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}
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BYTE __stdcall JoyReadPosition(WORD pc, WORD address, BYTE bWrite, BYTE d, ULONG uExecutedCycles)
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{
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const int nJoyNum = (address & 2) ? 1 : 0; // $C064..$C067
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CpuCalcCycles(uExecutedCycles);
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BOOL nPdlCntrActive = 0;
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const std::shared_ptr<const Paddle> & paddle = Paddle::instance();
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if (paddle)
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{
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if (nJoyNum == 0)
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{
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int axis = address & 1;
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int pdl = paddle->getAxis(axis);
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// This is from KEGS. It helps games like Championship Lode Runner & Boulderdash
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if (pdl >= 255)
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pdl = 280;
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nPdlCntrActive = g_nCumulativeCycles <= (g_nJoyCntrResetCycle + (unsigned __int64) ((double)pdl * PDL_CNTR_INTERVAL));
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}
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}
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return MemReadFloatingBus(nPdlCntrActive, uExecutedCycles);
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}
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void JoyResetPosition(ULONG uExecutedCycles)
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{
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CpuCalcCycles(uExecutedCycles);
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g_nJoyCntrResetCycle = g_nCumulativeCycles;
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}
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