mirror of
https://github.com/RetroDECK/Supermodel.git
synced 2024-11-23 14:15:40 +00:00
154 lines
3.9 KiB
C++
154 lines
3.9 KiB
C++
#ifndef INCLUDED_DRIVEBOARD_H
|
|
#define INCLUDED_DRIVEBOARD_H
|
|
|
|
#define RAM_SIZE 0x2000
|
|
|
|
/*
|
|
* CDriveBoardConfig:
|
|
*
|
|
* Settings used by CDriveBoard.
|
|
*/
|
|
class CDriveBoardConfig
|
|
{
|
|
public:
|
|
bool enableFFeedback; // Enable drive board emulation/simulation
|
|
bool simulateDrvBoard; // Simulate drive board rather than emulating it
|
|
unsigned steeringStrength; // Setting for steering strength on DIP switches of drive board
|
|
|
|
// Defaults
|
|
CDriveBoardConfig(void)
|
|
{
|
|
enableFFeedback = false;
|
|
simulateDrvBoard = false;
|
|
steeringStrength = 5;
|
|
}
|
|
};
|
|
|
|
/*
|
|
* CDriveBoard
|
|
*/
|
|
class CDriveBoard : public CBus
|
|
{
|
|
public:
|
|
bool IsAttached(void);
|
|
|
|
bool IsSimulated(void);
|
|
|
|
void GetDIPSwitches(UINT8 &dip1, UINT8 &dip2);
|
|
|
|
void SetDIPSwitches(UINT8 dip1, UINT8 dip2);
|
|
|
|
unsigned GetSteeringStrength();
|
|
|
|
void SetSteeringStrength(unsigned steeringStrength);
|
|
|
|
void Get7SegDisplays(UINT8 &seg1Digit, UINT8 &seg1Digit2, UINT8 &seg2Digit1, UINT8 &seg2Digit2);
|
|
|
|
CZ80 *GetZ80(void);
|
|
|
|
void SaveState(CBlockFile *SaveState);
|
|
|
|
void LoadState(CBlockFile *SaveState);
|
|
|
|
BOOL Init(const UINT8 *romPtr);
|
|
|
|
void AttachInputs(CInputs *InputsPtr, unsigned gameInputFlags);
|
|
|
|
void Reset(void);
|
|
|
|
UINT8 Read(void);
|
|
|
|
void Write(UINT8 data);
|
|
|
|
void RunFrame(void);
|
|
|
|
CDriveBoard();
|
|
|
|
~CDriveBoard(void);
|
|
|
|
// CBus methods
|
|
UINT8 Read8(UINT32 addr);
|
|
|
|
void Write8(UINT32 addr, UINT8 data);
|
|
|
|
UINT8 IORead8(UINT32 portNum);
|
|
|
|
void IOWrite8(UINT32 portNum, UINT8 data);
|
|
|
|
private:
|
|
bool m_attached; // True if drive board is attached
|
|
bool m_simulated; // True if drive board should be simulated rather than emulated
|
|
|
|
UINT8 m_dip1; // Value of DIP switch 1
|
|
UINT8 m_dip2; // Value of DIP switch 2
|
|
|
|
const UINT8* m_rom; // 32k ROM
|
|
UINT8* m_ram; // 8k RAM
|
|
|
|
CZ80 m_z80; // Z80 CPU @ 4MHz
|
|
|
|
CInputs *m_inputs;
|
|
unsigned m_inputFlags;
|
|
|
|
// Emulation state
|
|
bool m_initialized; // True if drive board has finished initialization
|
|
bool m_allowInterrupts; // True if drive board has enabled NMI interrupts
|
|
|
|
UINT8 m_seg1Digit1; // Current value of left digit on 7-segment display 1
|
|
UINT8 m_seg1Digit2; // Current value of right digit on 7-segment display 1
|
|
UINT8 m_seg2Digit1; // Current value of left digit on 7-segment display 2
|
|
UINT8 m_seg2Digit2; // Current value of right digit on 7-segment display 2
|
|
|
|
UINT8 m_dataSent; // Last command sent by main board
|
|
UINT8 m_dataReceived; // Data to send back to main board
|
|
|
|
UINT16 m_adcPortRead; // ADC port currently reading from
|
|
UINT8 m_adcPortBit; // Bit number currently reading on ADC port
|
|
|
|
UINT8 m_port42Out; // Last value sent to Z80 I/O port 42 (encoder motor data)
|
|
UINT8 m_port46Out; // Last value sent to Z80 I/O port 46 (encoder motor control)
|
|
|
|
UINT8 m_prev42Out; // Previous value sent to Z80 I/O port 42
|
|
UINT8 m_prev46Out; // Previous value sent to Z80 I/O port 46
|
|
|
|
UINT8 m_uncenterVal1; // First part of pending uncenter command
|
|
UINT8 m_uncenterVal2; // Second part of pending uncenter command
|
|
|
|
// Simulation state
|
|
UINT8 m_initState;
|
|
UINT8 m_statusFlags;
|
|
UINT8 m_boardMode;
|
|
UINT8 m_readMode;
|
|
UINT8 m_wheelCenter;
|
|
UINT8 m_cockpitCenter;
|
|
UINT8 m_echoVal;
|
|
|
|
// Feedback state
|
|
INT8 m_lastConstForce; // Last constant force command sent
|
|
UINT8 m_lastSelfCenter; // Last self center command sent
|
|
UINT8 m_lastFriction; // Last friction command sent
|
|
UINT8 m_lastVibrate; // Last vibrate command sent
|
|
|
|
UINT8 SimulateRead(void);
|
|
|
|
void SimulateWrite(UINT8 data);
|
|
|
|
void SimulateFrame(void);
|
|
|
|
void EmulateFrame(void);
|
|
|
|
void ProcessEncoderCmd(void);
|
|
|
|
void SendStopAll(void);
|
|
|
|
void SendConstantForce(INT8 val);
|
|
|
|
void SendSelfCenter(UINT8 val);
|
|
|
|
void SendFriction(UINT8 val);
|
|
|
|
void SendVibrate(UINT8 val);
|
|
};
|
|
|
|
#endif // INCLUDED_DRIVEBOARD_H
|