X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=main.c;h=6e30605eaf00d9fd5b888689cb036ff9fd36c32f;hb=42c8119010bfc48776e8c82e42cceb06d07c0247;hp=ac891cb8edd49608c740e655493bc0d5cdd2ca6e;hpb=90206450327a222607119b04f34cf1853faf37f8;p=gpsp.git

diff --git a/main.c b/main.c
index ac891cb..6e30605 100644
--- a/main.c
+++ b/main.c
@@ -49,6 +49,7 @@ u64 frame_count_initial_timestamp = 0;
 u64 last_frame_interval_timestamp;
 u32 gp2x_fps_debug = 0;
 
+void gp2x_init(void);
 void gp2x_quit(void);
 #else
 
@@ -192,16 +193,11 @@ int main(int argc, char *argv[])
   u8 load_filename[512];
   u8 bios_filename[512];
 
-#ifdef GP2X_BUILD
-  if(gp2x_load_mmuhack() == -1)
-    delay_us(2500000);
-#endif
-
 #ifdef PSP_BUILD
   sceKernelRegisterSubIntrHandler(PSP_VBLANK_INT, 0,
    vblank_interrupt_handler, NULL);
   sceKernelEnableSubIntr(PSP_VBLANK_INT, 0);
-#else
+#elif !defined(GP2X_BUILD)
   freopen("CON", "wb", stdout);
 #endif
 
@@ -225,13 +221,13 @@ int main(int argc, char *argv[])
   delay_us(2500000);
 #endif
 
-  init_video();
-
 #ifdef GP2X_BUILD
   // Overclocking GP2X and MMU patch goes here
-  gp2x_overclock();
+  gp2x_init();
 #endif
 
+  init_video();
+
 #ifdef GP2X_BUILD
   sprintf(bios_filename, "%s/%s", main_path, "gba_bios.bin");
   if(load_bios(bios_filename) == -1)
@@ -498,6 +494,9 @@ void trigger_ext_event()
   event_number++;
 }
 
+static u32 fps = 60;
+static u32 frames_drawn = 60;
+
 u32 update_gba()
 {
   irq_type irq_raised = IRQ_NONE;
@@ -612,10 +611,18 @@ u32 update_gba()
             continue;
 
           update_gbc_sound(cpu_ticks);
-          synchronize();
+
+          if(gp2x_fps_debug)
+          {
+            char print_buffer[32];
+            sprintf(print_buffer, "%d (%d)", fps, frames_drawn);
+            print_string(print_buffer, 0xFFFF, 0x000, 0, 0);
+          }
 
           update_screen();
 
+          synchronize();
+
           if(update_backup_flag)
             update_backup();
 
@@ -762,28 +769,16 @@ u32 num_skipped_frames = 0;
 u32 interval_skipped_frames;
 u32 frames;
 
-u32 skipped_frames = 0;
-u32 ticks_needed_total = 0;
 const u32 frame_interval = 60;
 
 void synchronize()
 {
   u64 new_ticks;
   u64 time_delta;
-  static u32 fps = 60;
-  static u32 frames_drawn = 60;
-
-  if(gp2x_fps_debug)
-  {
-    char print_buffer[128];
-    sprintf(print_buffer, "%d (%d)", fps, frames_drawn);
-    print_string(print_buffer, 0xFFFF, 0x000, 0, 0);
-  }
 
   get_ticks_us(&new_ticks);
   time_delta = new_ticks - last_screen_timestamp;
   last_screen_timestamp = new_ticks;
-  ticks_needed_total += time_delta;
 
   skip_next_frame = 0;
   virtual_frame_count++;
@@ -806,14 +801,6 @@ void synchronize()
       num_skipped_frames = 0;
     }
   }
-  else
-  {
-    if((synchronize_flag) &&
-     ((time_delta < frame_speed) && synchronize_flag))
-    {
-      delay_us(frame_speed - time_delta);
-    }
-  }
 
   frames++;
 
@@ -833,7 +820,6 @@ void synchronize()
 
     last_frame_interval_timestamp = new_ticks;
     interval_skipped_frames = 0;
-    ticks_needed_total = 0;
     frames = 0;
   }