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/* |
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* C64.h - Put the pieces together |
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* |
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* Frodo (C) 1994-1997,2002-2003 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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|
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#ifndef _C64_H |
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#define _C64_H |
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|
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#ifdef __BEOS__ |
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#include <KernelKit.h> |
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#endif |
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|
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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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|
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#ifdef __riscos__ |
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#include "ROlib.h" |
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#endif |
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|
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|
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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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|
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|
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// false: Frodo, true: FrodoSC |
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extern bool IsFrodoSC; |
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|
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|
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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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|
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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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|
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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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|
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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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|
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C64Display *TheDisplay; |
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|
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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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|
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MOS6502_1541 *TheCPU1541; // 1541 |
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Job1541 *TheJob1541; |
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|
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#ifdef FRODO_SC |
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uint32 CycleCounter; |
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#endif |
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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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|
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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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|
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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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|
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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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|
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#ifdef __BEOS__ |
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public: |
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void SoundSync(void); |
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|
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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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|
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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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|
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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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|
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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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#endif |
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|
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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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|
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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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|
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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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|
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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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|
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private: |
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bool make_a_snapshot; |
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|
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uint8 joykey2; // two keyboard joysticks possible here |
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|
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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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|
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|
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#endif |
