GarbAGE (Garbage Accurate GameBoy Emulator)
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1.5 KiB

/*
* Copyright (C) 2022 Riyyi
* Copyright (C) 2022 Th3FrankXD
*
* SPDX-License-Identifier: MIT
*/
#include "cpu.h"
#include "emu.h"
#include "ppu.h"
#include "ruc/format/print.h"
#include "ruc/timer.h"
int main(int argc, char* argv[])
{
(void)argc;
(void)argv;
ruc::Timer t;
print("{}ms\n", t.elapsedNanoseconds() / 1000000.0);
Emu::the().init(8000000, "gbc_bios.bin");
CPU cpu(8000000);
PPU ppu(4000000);
Emu::the().addProcessingUnit("cpu", &cpu);
Emu::the().addProcessingUnit("ppu", &ppu);
// https://gbdev.io/pandocs/Memory_Map.html
// https://gbdev.io/pandocs/Power_Up_Sequence.html
Emu::the().addMemorySpace("BOOTROM1", 0x0000, 0x00ff); // 256B
Emu::the().addMemorySpace("BOOTROM2", 0x0200, 0x08ff); // 1792B
Emu::the().addMemorySpace("VRAM", 0x8000, 0x9fff, 2); // 8KiB * 2 banks
Emu::the().addMemorySpace("CARDRAM", 0xa000, 0xbfff); // 8KiB
Emu::the().addMemorySpace("WRAM1", 0xc000, 0xcfff, 1); // 4 KiB, Work RAM
Emu::the().addMemorySpace("WRAM2", 0xd000, 0xdfff, 7); // 4 KiB * 7 banks, Work RAM
Emu::the().addMemorySpace("ECHORAM", 0xe000, 0xfdff, 1); // 7679B, Mirror of 0xc000~0xddff
Emu::the().addMemorySpace("OAM", 0xfe00, 0xfe9f, 1); // 4KiB, Object Attribute Memory (VRAM Sprite Attribute Table)
Emu::the().addMemorySpace("HRAM", 0xff80, 0xfffe, 1); // 126B, High RAM (CPU cache)
// Get shared register
print("{}\n", *Emu::the().processingUnit("cpu")->sharedRegister("a"));
print("{}\n", *Emu::the().processingUnit("cpu")->sharedRegister("b"));
while (true) {
Emu::the().update();
}
return 0;
}