fix bug from issue 181 (#182)

read_rom as been replaced by load_from_file to handle .elf roms in main.rs

Author: wissammm

core/src/cartridge/loader.rs

@@ -56,7 +56,7 @@ fn try_load_zip(data: &[u8]) -> LoadRomResult {
     ))
 }
 
-pub(super) fn load_from_file(path: &Path) -> LoadRomResult {
+pub fn load_from_file(path: &Path) -> LoadRomResult {
     let bytes = read_bin_file(path)?;
 
     match path.extension() {

core/src/cartridge/mod.rs

@@ -18,7 +18,7 @@ mod rtc;
 use gpio::Gpio;
 
 mod builder;
-mod loader;
+pub mod loader;
 pub use builder::GamepakBuilder;
 
 pub const GPIO_PORT_DATA: u32 = 0xC4;

platform/rustboyadvance-sdl2/src/main.rs

@@ -26,6 +26,8 @@ use rustboyadvance_core::prelude::*;
 
 use rustboyadvance_utils::FpsCounter;
 
+use rustboyadvance_core::cartridge::loader::{load_from_file, LoadRom};
+
 const LOG_DIR: &str = ".logs";
 
 fn ask_download_bios() {
@@ -161,7 +163,10 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
                             let (audio_interface, _sdl_audio_device_new) =
                                 audio::create_audio_player(&sdl_context)?;
                             _sdl_audio_device = _sdl_audio_device_new;
-                            let rom = opts.read_rom()?.into_boxed_slice();
+                            let rom = match load_from_file(&opts.rom)? {
+                                LoadRom::Raw(data) => data.into_boxed_slice(),
+                                LoadRom::Elf { data, .. } => data.into_boxed_slice(),
+                            };
                             gba = Box::new(GameBoyAdvance::from_saved_state(
                                 &save,
                                 bios_bin.clone(),