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