From 38cbba79e296b8dd8e1c1d93cef004ec7e070674 Mon Sep 17 00:00:00 2001
From: scawful <justin.scofield@outlook.com>
Date: Tue, 6 Aug 2024 22:23:43 -0400
Subject: [PATCH] implement load_rom and unload_rom

---
 src/CMakeLists.txt |  2 +-
 src/yaze.cc        | 25 +++++++++++++++++++++++--
 src/yaze.h         |  4 ++++
 3 files changed, 28 insertions(+), 3 deletions(-)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 46e788c9..a42920c2 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -115,7 +115,7 @@ include(test/CMakeLists.txt)
 
 # Yaze C API
 add_library(yaze_c SHARED
-  app/yaze.cc
+  ./yaze.cc
   app/rom.cc
   ${YAZE_APP_EMU_SRC}
   ${YAZE_APP_CORE_SRC}
diff --git a/src/yaze.cc b/src/yaze.cc
index 27d5abdb..e48221b4 100644
--- a/src/yaze.cc
+++ b/src/yaze.cc
@@ -1,15 +1,36 @@
 #include "yaze.h"
 
+#include "app/rom.h"
+
 // TODO: Implement yaze_initialize
 void yaze_initialize(void) {}
 
 // TODO: Implement yaze_cleanup
 void yaze_cleanup(void) {}
 
-// TODO: Implement load_rom
 Rom load_rom(const char* filename) {
+  yaze::app::Rom* internal_rom;
+  internal_rom = new yaze::app::Rom();
+  if (!internal_rom->LoadFromFile(filename).ok()) {
+    delete internal_rom;
+    Rom rom;
+    rom.impl = nullptr;
+    rom.filename = filename;
+    rom.data = nullptr;
+    rom.size = 0;
+    return rom;
+  }
+
   Rom rom;
+  rom.impl = internal_rom;
   rom.filename = filename;
-  rom.data = nullptr;
+  rom.data = internal_rom->data();
+  rom.size = internal_rom->size();
   return rom;
+}
+
+void unload_rom(Rom rom) {
+  if (rom.impl) {
+    delete static_cast<yaze::app::Rom*>(rom.impl);
+  }
 }
\ No newline at end of file
diff --git a/src/yaze.h b/src/yaze.h
index 28134983..79052f8e 100644
--- a/src/yaze.h
+++ b/src/yaze.h
@@ -1,6 +1,7 @@
 #ifndef YAZE_H
 #define YAZE_H
 
+#include <cstddef>
 #include <cstdint>
 
 #ifdef __cplusplus
@@ -16,9 +17,12 @@ typedef struct Rom Rom;
 struct Rom {
   const char* filename;
   const uint8_t* data;
+  size_t size;
+  void* impl;  // yaze::app::Rom*
 };
 
 Rom load_rom(const char* filename);
+void unload_rom(Rom rom);
 
 #ifdef __cplusplus
 }