299770922c
- Log instructions to debugger using experiment flag - Use BitmapManager for more functionality - Draw framebuffer and integrated debugger
105 lines
2.1 KiB
C++
105 lines
2.1 KiB
C++
#ifndef YAZE_APP_EMU_SNES_H
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#define YAZE_APP_EMU_SNES_H
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#include <SDL_mixer.h>
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#include <cstdint>
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#include <memory>
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#include <string>
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#include <thread>
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#include "app/emu/audio/apu.h"
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#include "app/emu/audio/spc700.h"
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#include "app/emu/clock.h"
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#include "app/emu/cpu.h"
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#include "app/emu/debug/debugger.h"
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#include "app/emu/memory/dma.h"
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#include "app/emu/memory/memory.h"
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#include "app/emu/video/ppu.h"
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#include "app/rom.h"
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namespace yaze {
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namespace app {
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namespace emu {
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class SNES : public DMA {
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public:
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SNES() = default;
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~SNES() = default;
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ROMInfo ReadRomHeader(uint32_t offset);
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// Initialization
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void Init(ROM& rom);
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// Main emulation loop
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void Run();
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// Enable NMI Interrupts
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void EnableVBlankInterrupts();
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// Wait until the VBlank routine has been processed
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void WaitForVBlank();
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// NMI Interrupt Service Routine
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void NmiIsr();
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// VBlank routine
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void VBlankRoutine();
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// Boot the APU with the IPL ROM
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void BootAPUWithIPL();
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// Controller input handling
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void HandleInput();
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// Save/Load game state
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void SaveState(const std::string& path);
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void LoadState(const std::string& path);
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// Debugger
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void Debug();
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void Breakpoint(uint16_t address);
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bool running() const { return running_; }
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auto Cpu() -> CPU& { return cpu; }
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auto Ppu() -> PPU& { return ppu; }
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private:
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void WriteToRegister(uint16_t address, uint8_t value) {
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memory_.WriteByte(address, value);
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}
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// Components of the SNES
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MemoryImpl memory_;
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ClockImpl clock_;
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AudioRamImpl audio_ram_;
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CPU cpu{memory_, clock_};
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PPU ppu{memory_, clock_};
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APU apu{memory_, audio_ram_, clock_};
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// Helper classes
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ROMInfo rom_info_;
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Debugger debugger;
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// Currently loaded ROM
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std::vector<uint8_t> rom_data;
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// Byte flag to indicate if the VBlank routine should be executed or not
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std::atomic<bool> v_blank_flag_;
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// 32-bit counter to track the number of NMI interrupts
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std::atomic<uint32_t> frame_counter_;
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// Other private member variables
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bool running_ = false;
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int scanline;
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};
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} // namespace emu
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} // namespace app
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} // namespace yaze
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#endif // YAZE_APP_EMU_SNES_H
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