Diff: platform.cpp

Revision:

17:c9afe1a7b423

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/platform.cpp	Sun Jan 13 19:00:10 2019 +0000
@@ -0,0 +1,78 @@
+// Linux specific code (excluding graphics, those are in graphics_display.cpp)
+#include "platform.h"
+
+#include <mbed.h>
+
+// global keyboard
+KeyState keyboard;
+
+void* badalloc_check(u32 size, const char* alloc_name) {
+    void* ptr = malloc(size);
+    if(ptr) {
+        printf("[badalloc] success %s\n", alloc_name);
+    } else {
+        printf("~!~!~!1!!!!!-----> [badalloc] fail %s\n", alloc_name);
+    }
+    return ptr;
+}
+
+// open a file
+FileLoadData loadFile(const char* name) {
+  FILE* fp = fopen(name, "rb");
+  FileLoadData loadData;
+
+  if(!fp) {
+    printf("loadFile(%s) failed!\r\n", name);
+    loadData.data = nullptr;
+    loadData.size = 0;
+    return loadData;
+  }
+  printf("loadfile fp is good\r\n");
+  
+  fseek(fp, 0, SEEK_END);
+  u32 fileSize = (u32)ftell(fp);
+  printf("loadFile 0x%x bytes\r\n", fileSize);
+  fseek(fp, 0, SEEK_SET);
+  u8* fileData = (u8*)badalloc_check(fileSize, name);
+  if(fileData) {
+    printf("allocation for loadFile succes\r\n");
+  } else {
+    printf("allocation for loadfile fail\r\n");
+  }
+  fread(fileData, 1, fileSize, fp);
+  fclose(fp);
+
+  printf("loadfile(%s) has loaded %d bytes (%.3f MB)\r\n", name, fileSize, (float)fileSize / (1 << 20));
+
+  loadData.size = fileSize;
+  loadData.data = fileData;
+  return loadData;
+}
+
+void saveFile(const char* name, FileLoadData info) {
+//  FILE* fp = fopen(name, "wb");
+//  printf("save 0x%x bytes 0x%llx\n", info.size, info.data);
+//  fwrite(info.data, info.size, 1, fp);
+//  fclose(fp);
+}
+
+// update keyboard.  Also checks to see if it's time to quit.
+void updateKeyboard(KeyState* keys) {
+//  SDL_Event e;
+//  SDL_PollEvent(&e);
+//  if(e.type == SDL_QUIT) {
+//    exit(0);
+//  }
+//  const u8* keyStats = SDL_GetKeyboardState(nullptr);
+//  keys->a = keyStats[SDL_SCANCODE_A];
+//  keys->b = keyStats[SDL_SCANCODE_B];
+//  keys->u = keyStats[SDL_SCANCODE_UP];
+//  keys->d = keyStats[SDL_SCANCODE_DOWN];
+//  keys->l = keyStats[SDL_SCANCODE_LEFT];
+//  keys->r = keyStats[SDL_SCANCODE_RIGHT];
+//  keys->save = keyStats[SDL_SCANCODE_S];
+//  keys->load = keyStats[SDL_SCANCODE_D];
+//  keys->start = keyStats[SDL_SCANCODE_P];
+//  keys->select = keyStats[SDL_SCANCODE_L];
+//  keys->turbo = keyStats[SDL_SCANCODE_SPACE];
+}
\ No newline at end of file