Full savestating to memory

lib/emu.c

@@ -7,6 +7,7 @@
 #include <dma.h>
 #include <ppu.h>
 #include <audio.h>
+#include <cart.h>
 
 #ifdef _WIN32
 #include <windows.h>
@@ -16,6 +17,7 @@
 #endif
 
 static emu_context ctx;
+static HANDLE thread;
 
 emu_context *emu_get_context() {
     return &ctx;
@@ -26,10 +28,6 @@ DWORD WINAPI cpu_run(void *p) {
 #else
 void *cpu_run(void *p) {
 #endif
-    ppu_init();
-    timer_init();
-    cpu_init();
-    audio_init();
 
     ctx.running = true;
     ctx.paused = false;
@@ -59,6 +57,26 @@ void sleep_ms(int milis) {
 #endif
 }
 
+void emu_stop() {
+    ctx.running = false;
+    WaitForSingleObject(thread, INFINITE);
+}
+
+void emu_reset() {
+    ppu_init();
+    timer_init();
+    cpu_init();
+    audio_init();
+    cart_init();
+}
+
+void emu_start() {
+    thread = CreateThread(NULL, 0, cpu_run, NULL, 0, NULL);
+    if(!thread) {
+        fprintf(stderr, "Unable to create main CPU thread!\n");
+    }
+}
+
 int emu_run(int argc, char **argv) {
     if (argc < 2) {
         printf("Usage: gbemu <rom_file>\n");
@@ -75,11 +93,8 @@ int emu_run(int argc, char **argv) {
 
     ui_init();
 #ifdef _WIN32
-    HANDLE thread = CreateThread(NULL, 0, cpu_run, NULL, 0, NULL);
-    if(!thread) {
-        fprintf(stderr, "Unable to create main CPU thread!\n");
-        return -1;
-    }
+    emu_reset();
+    emu_start();
 #else
    	pthread_t t1;
     if(pthread_create(&t1, NULL, cpu_run, NULL)) {