1 files changed, 49 insertions, 0 deletions
diff --git a/common/fmplayer_drumrom_win.c b/common/fmplayer_drumrom_win.c
new file mode 100644
index 0000000..aab4546
--- /dev/null
+++ b/common/fmplayer_drumrom_win.c
@@ -0,0 +1,49 @@
+#include "fmplayer_common.h"
+#include "libopna/opnadrum.h"
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <shlwapi.h>
+static struct {
+  char drum_rom[OPNA_ROM_SIZE];
+  bool loaded;
+} g;
+
+static void loadrom(void) {
+  const wchar_t *path = L"ym2608_adpcm_rom.bin";
+  wchar_t exepath[MAX_PATH];
+  if (GetModuleFileName(0, exepath, MAX_PATH)) {
+    PathRemoveFileSpec(exepath);
+    if ((lstrlen(exepath) + lstrlen(path) + 1) < MAX_PATH) {
+      lstrcat(exepath, L"\\");
+      lstrcat(exepath, path);
+      path = exepath;
+    }
+  }
+  HANDLE file = CreateFile(path, GENERIC_READ,
+                            0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
+  if (file == INVALID_HANDLE_VALUE) goto err;
+  DWORD filesize = GetFileSize(file, 0);
+  if (filesize != OPNA_ROM_SIZE) goto err;
+  DWORD readbytes;
+  if (!ReadFile(file, g.drum_rom, OPNA_ROM_SIZE, &readbytes, 0)
+      || readbytes != OPNA_ROM_SIZE) goto err;
+  CloseHandle(file);
+  g.loaded = true;
+  return;
+err:
+  if (file != INVALID_HANDLE_VALUE) CloseHandle(file);
+  return;
+}
+
+
+bool fmplayer_drum_rom_load(struct opna_drum *drum) {
+  if (!g.loaded) loadrom();
+  if (g.loaded) {
+    opna_drum_set_rom(drum, g.drum_rom);
+  }
+  return g.loaded;
+}
+
+bool fmplayer_drum_loaded(void) {
+  return g.loaded;
+}