copy all local files to repo

cp/m files, sprites, circuit design

z80screentest/spriteconvert/program.cpp

@@ -0,0 +1,17 @@
+#include <SDL2/SDL.h> 
+#include <iostream>
+#include <string>
+
+using namespace std;
+
+int main(int argc, char* argv[]) {
+
+    //initialize SDL2
+    if (SDL_Init() < 0) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_Init failed: %s", SDL_GetError());
+        SDL_Quit();
+        return 3;
+    };
+
+    
+}