mirror of
https://github.com/libretro/vemulator-libretro.git
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95 lines
2.0 KiB
C++
95 lines
2.0 KiB
C++
/*
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VeMUlator - A Dreamcast Visual Memory Unit emulator for libretro
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Copyright (C) 2018 Mahmoud Jaoune
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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 3 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef _VMU_H_
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#define _VMU_H_
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#include <time.h>
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#include "common.h"
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#include "ram.h"
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#include "cpu.h"
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#include "video.h"
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#include "rom.h"
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#include "audio.h"
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#include "t0.h"
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#include "t1.h"
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#include "basetimer.h"
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#include "interrupts.h"
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#include "bitwisemath.h"
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class VMU
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{
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public:
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VE_VMS_RAM *ram;
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VE_VMS_ROM *rom;
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VE_VMS_FLASH *flash;
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VE_VMS_CPU *cpu;
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VE_VMS_TIMER0 *t0;
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VE_VMS_TIMER1 *t1;
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VE_VMS_BASETIMER *baseTimer;
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VE_VMS_INTERRUPTS *intHandler;
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VE_VMS_VIDEO *video;
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VE_VMS_AUDIO *audio;
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VMU(uint16_t *_frameBuffer);
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~VMU();
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int loadBIOS(const char *filePath);
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void halt();
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void setDate();
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//Sets system variables in RAM
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void initBIOS();
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void startCPU();
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void initializeHLE();
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void runCycle();
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void reset();
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private:
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int ccount;
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long cycle_count;
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long time_reg;
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long frame_skip;
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double CPS;
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byte prescaler;
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int pcount;
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int oldPRR;
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int OSC;
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int OCR_old;
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bool threadReady;
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bool inSleepState;
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bool BIOSExists;
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bool enableSound;
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bool useT1ELD;
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int cycles_left; //This counts how many cycles an instruction has, and gets decreased each cycle. Next instruction is processed when it gets 0.
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uint16_t *frameBuffer;
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};
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#endif // _VMU_H_
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