mirror of
https://github.com/wavemotion-dave/GimliDS.git
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137 lines
3.7 KiB
C++
137 lines
3.7 KiB
C++
/*
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* C64.h - Put the pieces together
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*
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* Frodo Copyright (C) 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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// 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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#define SID_CYCLES_PER_LINE 63
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#define CIA_CYCLES_PER_LINE 63
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#define BAD_CYCLES_PER_LINE 23
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#define FLOPPY_CYCLES_PER_LINE 64
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#define CPU_CYCLES_PER_LINE 63
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#define MEM_TYPE_RAM 0x01
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#define MEM_TYPE_KERNAL 0x02
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#define MEM_TYPE_BASIC 0x03
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#define MEM_TYPE_CART 0x04
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#define MEM_TYPE_OTHER 0x05
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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 MOS6502_1541;
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class Job1541;
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class Cartridge;
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class CmdPipe;
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class REU;
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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 InitMemory(void);
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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 true_drive);
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void SaveRAM(char *filename);
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bool 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 SaveCARTState(FILE *f);
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bool SaveREUState(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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bool LoadCARTState(FILE *f);
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bool LoadREUState(FILE *f);
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void InsertCart(char *filename);
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void RemoveCart(void);
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void LoadPRG(char *filename);
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void SetBrightness(void);
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uint8 *RAM, *Basic, *Kernal, *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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Cartridge *TheCart;
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REU *TheREU;
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MOS6502_1541 *TheCPU1541; // 1541
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Job1541 *TheJob1541;
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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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uint8 poll_joystick(int port);
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void main_loop(void);
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bool have_a_break; // Emulation thread shall pause
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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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};
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extern void floppy_soundfx(u8 type);
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extern uint8 cart_in;
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extern u8 cartROM[];
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#define WAITVBL swiWaitForVBlank();swiWaitForVBlank();swiWaitForVBlank();
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#endif
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