mirror of
https://github.com/RetroDECK/Supermodel.git
synced 2024-11-22 13:55:38 +00:00
89 lines
2.3 KiB
C++
89 lines
2.3 KiB
C++
/**
|
|
** Supermodel
|
|
** A Sega Model 3 Arcade Emulator.
|
|
** Copyright 2011-2017 Bart Trzynadlowski, Nik Henson, Ian Curtis
|
|
**
|
|
** This file is part of Supermodel.
|
|
**
|
|
** Supermodel is free software: you can redistribute it and/or modify it under
|
|
** the terms of the GNU General Public License as published by the Free
|
|
** Software Foundation, either version 3 of the License, or (at your option)
|
|
** any later version.
|
|
**
|
|
** Supermodel is distributed in the hope that it will be useful, but WITHOUT
|
|
** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
** FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
** more details.
|
|
**
|
|
** You should have received a copy of the GNU General Public License along
|
|
** with Supermodel. If not, see <http://www.gnu.org/licenses/>.
|
|
**/
|
|
|
|
/*
|
|
* JTAG.h
|
|
*
|
|
* Header file defining the CJTAG class: the Model 3's JTAG device.
|
|
*/
|
|
|
|
#ifndef INCLUDED_JTAG_H
|
|
#define INCLUDED_JTAG_H
|
|
|
|
#include "BlockFile.h"
|
|
#include "Util/BitRegister.h"
|
|
|
|
class CReal3D;
|
|
|
|
class CJTAG
|
|
{
|
|
public:
|
|
enum Instruction: uint64_t
|
|
{
|
|
ReadASICIDCodes = 0x06318fc63fff,
|
|
SetReal3DRenderConfig0 = 0x3fffffd1ffff,
|
|
SetReal3DRenderConfig1 = 0x3ffffffe8fff
|
|
};
|
|
|
|
void SaveState(CBlockFile *SaveState);
|
|
void LoadState(CBlockFile *SaveState);
|
|
uint8_t Read();
|
|
void Write(uint8_t tck, uint8_t tms, uint8_t tdi, uint8_t trst);
|
|
void Reset();
|
|
CJTAG(CReal3D &real3D);
|
|
|
|
private:
|
|
void LoadASICIDCodes();
|
|
|
|
enum State: uint8_t
|
|
{
|
|
TestLogicReset, // 0
|
|
RunTestIdle, // 1
|
|
SelectDRScan, // 2
|
|
CaptureDR, // 3
|
|
ShiftDR, // 4
|
|
Exit1DR, // 5
|
|
PauseDR, // 6
|
|
Exit2DR, // 7
|
|
UpdateDR, // 8
|
|
SelectIRScan, // 9
|
|
CaptureIR, // 10
|
|
ShiftIR, // 11
|
|
Exit1IR, // 12
|
|
PauseIR, // 13
|
|
Exit2IR, // 14
|
|
UpdateIR // 15
|
|
};
|
|
|
|
static const State s_fsm[][2];
|
|
static const char *s_state[];
|
|
|
|
CReal3D &m_real3D;
|
|
Util::BitRegister m_instructionShiftReg;
|
|
Util::BitRegister m_dataShiftReg;
|
|
uint64_t m_instructionReg = 0;
|
|
State m_state = State::TestLogicReset;
|
|
uint8_t m_lastTck = 0;
|
|
uint8_t m_tdo = 0;
|
|
};
|
|
|
|
#endif // INCLUDED_JTAG_H
|