frodo-wii/Src/C64.h

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/*
* C64.h - Put the pieces together
*
* Frodo (C) 1994-1997,2002-2005 Christian Bauer
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _C64_H
#define _C64_H
#if defined(HAVE_SDL)
/* SDL menu */
#include "menu.h"
#endif
#ifdef __BEOS__
#include <KernelKit.h>
#endif
#ifdef AMIGA
#include <devices/timer.h>
#include <devices/gameport.h>
#include <devices/inputevent.h>
#endif
#ifdef __riscos__
#include "ROlib.h"
#endif
// Sizes of memory areas
const int C64_RAM_SIZE = 0x10000;
const int COLOR_RAM_SIZE = 0x400;
const int BASIC_ROM_SIZE = 0x2000;
const int KERNAL_ROM_SIZE = 0x2000;
const int CHAR_ROM_SIZE = 0x1000;
const int DRIVE_RAM_SIZE = 0x800;
const int DRIVE_ROM_SIZE = 0x4000;
// false: Frodo, true: FrodoSC
extern bool IsFrodoSC;
#ifdef GEKKO
#define PREFS_PATH "/apps/frodo/frodorc"
#elif defined(HAVE_SDL)
#define PREFS_PATH "/home/ska/.frodorc"
#endif
class Prefs;
class C64Display;
class MOS6510;
class MOS6569;
class MOS6581;
class MOS6526_1;
class MOS6526_2;
class IEC;
class REU;
class MOS6502_1541;
class Job1541;
class CmdPipe;
class C64 {
public:
C64();
~C64();
void Run(void);
void Quit(void);
void Pause(void);
void Resume(void);
void Reset(void);
void NMI(void);
void VBlank(bool draw_frame);
void NewPrefs(Prefs *prefs);
void PatchKernal(bool fast_reset, bool emul_1541_proc);
void SaveRAM(char *filename);
void SaveSnapshot(char *filename);
bool LoadSnapshot(char *filename);
int SaveCPUState(FILE *f);
int Save1541State(FILE *f);
bool Save1541JobState(FILE *f);
bool SaveVICState(FILE *f);
bool SaveSIDState(FILE *f);
bool SaveCIAState(FILE *f);
bool LoadCPUState(FILE *f);
bool Load1541State(FILE *f);
bool Load1541JobState(FILE *f);
bool LoadVICState(FILE *f);
bool LoadSIDState(FILE *f);
bool LoadCIAState(FILE *f);
uint8 *RAM, *Basic, *Kernal,
*Char, *Color; // C64
uint8 *RAM1541, *ROM1541; // 1541
C64Display *TheDisplay;
MOS6510 *TheCPU; // C64
MOS6569 *TheVIC;
MOS6581 *TheSID;
MOS6526_1 *TheCIA1;
MOS6526_2 *TheCIA2;
IEC *TheIEC;
REU *TheREU;
MOS6502_1541 *TheCPU1541; // 1541
Job1541 *TheJob1541;
#ifdef FRODO_SC
uint32 CycleCounter;
#endif
void enter_menu() {
this->have_a_break = true;
}
private:
void c64_ctor1(void);
void c64_ctor2(void);
void c64_dtor(void);
void open_close_joysticks(int oldjoy1, int oldjoy2, int newjoy1, int newjoy2);
uint8 poll_joystick(int port);
void thread_func(void);
bool thread_running; // Emulation thread is running
bool quit_thyself; // Emulation thread shall quit
bool have_a_break; // Emulation thread shall pause
int joy_minx[2], joy_maxx[2], joy_miny[2], joy_maxy[2]; // For dynamic joystick calibration
uint8 joykey; // Joystick keyboard emulation mask value
uint8 orig_kernal_1d84, // Original contents of kernal locations $1d84 and $1d85
orig_kernal_1d85; // (for undoing the Fast Reset patch)
#ifdef __BEOS__
public:
void SoundSync(void);
private:
static long thread_invoc(void *obj);
void open_close_joystick(int port, int oldjoy, int newjoy);
void *joy[2]; // Joystick objects (BJoystick or BDigitalPort)
bool joy_geek_port[2]; // Flag: joystick on GeekPort?
thread_id the_thread;
sem_id pause_sem;
sem_id sound_sync_sem;
bigtime_t start_time;
#endif
#ifdef AMIGA
struct MsgPort *timer_port; // For speed limiter
struct timerequest *timer_io;
struct timeval start_time;
struct MsgPort *game_port; // For joystick
struct IOStdReq *game_io;
struct GamePortTrigger game_trigger;
struct InputEvent game_event;
UBYTE joy_state; // Current state of joystick
bool game_open, port_allocated; // Flags: gameport.device opened, game port allocated
#endif
#ifdef __unix
void open_close_joystick(int port, int oldjoy, int newjoy);
double speed_index;
public:
CmdPipe *gui;
#elif defined(GEKKO)
void open_close_joystick(int port, int oldjoy, int newjoy);
double speed_index;
#endif
#ifdef HAVE_SDL
menu_t main_menu;
TTF_Font *menu_font;
bool fake_key_sequence;
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const char *fake_key_str;
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int fake_key_index;
int fake_key_keytime;
bool prefs_changed;
char save_game_name[256];
void select_disc(Prefs *np);
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void run_fake_key_sequence(Prefs *np);
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char * bind_one_key(Prefs *np, int which);
void bind_keys(Prefs *np);
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void other_options(Prefs *np);
void save_load_state(Prefs *np);
#endif
#ifdef WIN32
private:
void CheckTimerChange();
void StartTimer();
void StopTimer();
static void CALLBACK StaticTimeProc(UINT uID, UINT uMsg, DWORD dwUser, DWORD dw1, DWORD dw2);
void TimeProc(UINT id);
#ifdef FRODO_SC
void EmulateCyclesWith1541();
void EmulateCyclesWithout1541();
#endif
DWORD ref_time; // when frame count was reset
int skipped_frames; // number of skipped frames
int timer_every; // frequency of timer in frames
HANDLE timer_semaphore; // Timer semaphore for synch
MMRESULT timer_id; // Timer identifier
int frame; // current frame number
uint8 joy_state; // Current state of joystick
bool state_change;
#endif
#ifdef __riscos__
public:
void RequestSnapshot(void);
bool LoadOldSnapshot(FILE *f);
void LoadSystemConfig(const char *filename); // loads timing vals and keyboard joys
void SaveSystemConfig(const char *filename); // saves timing vals and keyboard joys
void ReadTimings(int *poll_after, int *speed_after, int *sound_after);
void WriteTimings(int poll_after, int speed_after, int sound_after);
WIMP *TheWIMP;
int PollAfter; // centiseconds before polling
int SpeedAfter; // centiseconds before updating speedometer
int PollSoundAfter; // *rasterlines* after which DigitalRenderer is polled
int HostVolume; // sound volume of host machine
private:
bool make_a_snapshot;
uint8 joykey2; // two keyboard joysticks possible here
uint8 joystate[2]; // Joystick state
bool Poll; // TRUE if polling should take place
int LastPoll, LastFrame, LastSpeed; // time of last poll / last frame / speedom (cs)
int FramesSince;
int laststate; // last keyboard state (-> scroll lock)
int lastptr; // last mouse pointer shape
bool SingleTasking;
#endif
};
#endif