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Add network board emulation. Currently not linked with the rest of the project.

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This commit is contained in:
Ian Curtis 2018-01-04 19:14:12 +00:00
parent f7678d918e
commit 314279ed25
2 changed files with 1588 additions and 0 deletions
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1489
Src/Network/NetBoard.cpp Normal file
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Src/Network/NetBoard.h Normal file
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#ifndef INCLUDED_NETBOARD_H
#define INCLUDED_NETBOARD_H
#include "Types.h"
#include "CPU/Bus.h"
#include "OSD/Thread.h"
#include <winsock2.h>
#include <ws2tcpip.h>
#pragma comment(lib, "ws2_32.lib")
#include <thread>
#include "UDPSend.h"
#include "UDPReceive.h"
//using namespace SMUDP;
//#define NET_BUF_SIZE 32800 // 16384 not enough
class CNetBoard : public IBus
{
public:
UINT8 Read8(UINT32 addr);
UINT16 Read16(UINT32 addr);
UINT32 Read32(UINT32 addr);
void Write8(UINT32 addr, UINT8 data);
void Write16(UINT32 addr, UINT16 data);
void Write32(UINT32 addr, UINT32 data);
void SaveState(CBlockFile *SaveState);
void LoadState(CBlockFile *SaveState);
bool RunFrame(void);
void Reset(void);
// Returns a reference to the 68K CPU context
M68KCtx *GetM68K(void);
bool IsAttached(void);
bool CodeReady;
bool Init(UINT8 *netRAMPtr, UINT8 *netBufferPtr);
CNetBoard(const Util::Config::Node &config);
~CNetBoard(void);
private:
// Config
const Util::Config::Node &m_config;
// 68K CPU
M68KCtx M68K;
// Sound board memory
UINT8 *netRAM; // 128Kb RAM (passed in from parent object)
UINT8 *netBuffer; // 128kb (passed in from parent object)
UINT8 *memoryPool; // single allocated region for all net board RAM
UINT8 *CommRAM;
UINT8 *ioreg;
UINT8 *ctrlrw;
UINT8 *Buffer;
UINT8 *Buffer2;
UINT8 *RAM;
UINT8 *ct;
bool m_attached; // True if net board is attached
UINT16 commbank;
UINT16 recv_offset;
UINT16 recv_size;
UINT16 send_offset;
UINT16 send_size;
UINT8 slot;
// netsock
UINT16 port_in = 0;
UINT16 port_out = 0;
std::string addr_out = "";
SMUDP::UDPSend udpSend;
SMUDP::UDPReceive udpReceive;
// only for some tests
UINT8 *bank;
UINT8 *bank2;
UINT8 test_irq;
std::thread interrupt5;
bool int5;
};
void Net_SetCB(int(*Run68k)(int cycles), void(*Int68k)(int irq));
#endif // INCLUDED_NETBOARD_H