mirror of
https://github.com/jpd002/Play-.git
synced 2025-04-28 21:57:57 +03:00
85 lines
1.4 KiB
C++
85 lines
1.4 KiB
C++
#pragma once
|
|
|
|
#include "Types.h"
|
|
#include "INTC.h"
|
|
#include "zip/ZipArchiveWriter.h"
|
|
#include "zip/ZipArchiveReader.h"
|
|
|
|
class CGSHandler;
|
|
|
|
class CTimer
|
|
{
|
|
public:
|
|
enum
|
|
{
|
|
MODE_CLOCK_SELECT = 0x003,
|
|
|
|
MODE_CLOCK_SELECT_BUSCLOCK = 0x000,
|
|
MODE_CLOCK_SELECT_BUSCLOCK16 = 0x001,
|
|
MODE_CLOCK_SELECT_BUSCLOCK256 = 0x002,
|
|
MODE_CLOCK_SELECT_EXTERNAL = 0x003,
|
|
|
|
MODE_GATE_ENABLE = 0x004,
|
|
|
|
MODE_GATE_SELECT = 0x008,
|
|
MODE_GATE_SELECT_HBLANK = 0x000,
|
|
MODE_GATE_SELECT_VBLANK = 0x008,
|
|
|
|
MODE_GATE_MODE = 0x030,
|
|
MODE_GATE_MODE_COUNTLOW = 0x000,
|
|
MODE_GATE_MODE_HIGHEDGE = 0x010,
|
|
MODE_GATE_MODE_LOWEDGE = 0x020,
|
|
MODE_GATE_MODE_BOTHEDGE = 0x030,
|
|
|
|
MODE_ZERO_RETURN = 0x040,
|
|
MODE_COUNT_ENABLE = 0x080,
|
|
MODE_EQUAL_FLAG = 0x400,
|
|
MODE_OVERFLOW_FLAG = 0x800,
|
|
};
|
|
|
|
enum REGISTER
|
|
{
|
|
T3_MODE = 0x10001810,
|
|
};
|
|
|
|
CTimer(CINTC&, CGSHandler*&);
|
|
virtual ~CTimer() = default;
|
|
|
|
void Reset();
|
|
|
|
void Count(unsigned int);
|
|
|
|
uint32 GetRegister(uint32);
|
|
void SetRegister(uint32, uint32);
|
|
|
|
void LoadState(Framework::CZipArchiveReader&);
|
|
void SaveState(Framework::CZipArchiveWriter&);
|
|
|
|
void NotifyVBlankStart();
|
|
void NotifyVBlankEnd();
|
|
|
|
private:
|
|
enum
|
|
{
|
|
MAX_TIMER = 4,
|
|
};
|
|
|
|
void DisassembleGet(uint32);
|
|
void DisassembleSet(uint32, uint32);
|
|
|
|
void ProcessGateEdgeChange(uint32, uint32);
|
|
|
|
struct TIMER
|
|
{
|
|
uint32 nCOUNT;
|
|
uint32 nMODE;
|
|
uint32 nCOMP;
|
|
uint32 nHOLD;
|
|
|
|
uint32 clockRemain;
|
|
};
|
|
|
|
TIMER m_timer[MAX_TIMER];
|
|
CINTC& m_intc;
|
|
CGSHandler*& m_gs;
|
|
};
|