From 8e4dacca8a4c064f5813135a84dd0fd96f907fd5 Mon Sep 17 00:00:00 2001
From: Riyyi <riyyi3@gmail.com>
Date: Thu, 25 Aug 2022 00:16:32 +0200
Subject: [PATCH] Emulator: Add cli argument to specify bootrom path

---
 src/loader.cpp | 2 +-
 src/loader.h   | 3 +++
 src/main.cpp   | 3 +++
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/loader.cpp b/src/loader.cpp
index 7c8a823..6dfd322 100644
--- a/src/loader.cpp
+++ b/src/loader.cpp
@@ -53,7 +53,7 @@ void Loader::init()
 	Emu::the().addMemorySpace("IE", 0xffff, 0xffff);         // 1B, Interrupt Enable register
 
 	// Load bootrom
-	auto bootrom = ruc::File("gbc_bios.bin").data();
+	auto bootrom = ruc::File(m_bootrom_path).data();
 	for (size_t i = 0; i < bootrom.length(); ++i) {
 		// Skip cartridge header memory range
 		if (i >= 0x0100 && i <= 0x01ff) {
diff --git a/src/loader.h b/src/loader.h
index 45213d0..842337b 100644
--- a/src/loader.h
+++ b/src/loader.h
@@ -17,6 +17,8 @@ public:
 
 	void loadRom(std::string_view rom_path);
 
+	void setBootromPath(std::string_view bootrom_path) { m_bootrom_path = bootrom_path; }
+
 private:
 	void init();
 	void update();
@@ -24,5 +26,6 @@ private:
 
 	void loadCartridgeHeader();
 
+	std::string_view m_bootrom_path;
 	std::string m_rom_data;
 };
diff --git a/src/main.cpp b/src/main.cpp
index 3b5939f..6d26077 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -13,12 +13,15 @@
 
 int main(int argc, const char* argv[])
 {
+	std::string_view bootrom_path = "gbc_bios.bin";
 	std::string_view rom_path;
 
 	ruc::ArgParser argParser;
+	argParser.addOption(bootrom_path, 'b', "bootrom", nullptr, nullptr, "", ruc::ArgParser::Required::Yes);
 	argParser.addOption(rom_path, 'r', "rom", nullptr, nullptr, "", ruc::ArgParser::Required::Yes);
 	argParser.parse(argc, argv);
 
+	Loader::the().setBootromPath(bootrom_path);
 	Loader::the().loadRom(rom_path);
 
 	return 0;