Revert some hacks and try signalling to emulated firmware with a write to an unrecognized port

Author: joeyparrish

emulator-patches/fetch.c

@@ -175,7 +175,6 @@ static void fetch_range_async(const char* url, size_t first_byte, size_t size,
   } else {
     ctx->headers = NULL;
   }
-  printf("Range: %s\n", ctx->range);
 
   fetch_attributes.userData = ctx;
   fetch_attributes.onsuccess = fetch_with_emscripten_success;

emulator-patches/kinetoscope.c

@@ -65,7 +65,7 @@
 // SRAM regions.
 #define SRAM_BANK_0_OFFSET 0
 #define SRAM_BANK_1_OFFSET (1 << 20)  // 1MB
-#define SRAM_SIZE          (3 << 20)  // 2MB  FIXME
+#define SRAM_SIZE          (2 << 20)  // 2MB
 
 static void write_sram(const uint8_t* data, uint32_t size);
 static void reset_sram(int bank);

software/player/src/segavideo_player.c

@@ -137,24 +137,6 @@ static uint32_t nextFrameNum;
 # define kprintf(...)
 #endif
 
-
-#define ERROR_MAX 256
-static char error_message_buffer[ERROR_MAX];
-
-// SGDK has no snprintf.  God help you if you write more than ERROR_MAX
-// characters...
-static void errorMessage(const char* format, ...) {
-  if (errorCallback) {
-    va_list args;
-    va_start(args, format);
-    vsprintf(error_message_buffer, format, args);
-    va_end(args);
-
-    errorCallback(error_message_buffer);
-  }
-}
-
-
 bool segavideo_validateHeader(const uint8_t* videoData) {
   const SegaVideoHeader* header = (const SegaVideoHeader*)videoData;
 
@@ -367,8 +349,9 @@ static bool nextVideoFrame() {
   uint32_t firstSample = (uint32_t)currentChunk.audioStart;
   if (firstSample > currentSample) {
     kprintf("ERROR: Audio samples do not make sense!");
-    errorMessage("Oops! (%08x > %08x)", firstSample, currentSample);
-    return false;
+    volatile uint16_t* hack_signal = ((volatile uint16_t*)0xA130F3);
+    *hack_signal = 0;
+    return true;
   }
   uint32_t samplesPlayed = (currentSample - firstSample);
 
@@ -583,12 +566,10 @@ void segavideo_processFrames() {
 
   bool stillPlaying = nextVideoFrame();
   if (segavideo_getState() == Error) {
-    kprintf("Video state error!\n");
     return;
   }
 
   if (!stillPlaying) {
-    kprintf("Video stopping!\n");
     segavideo_stop();
 
     if (loop) {

software/stream-with-special-hardware/src/main.c

@@ -45,7 +45,7 @@ static void onJoystickEvent(u16 joystick, u16 changed, u16 state) {
 }
 
 static void handleError() {
-  // segavideo_menu_showError();
+  segavideo_menu_showError();
 
   // Continue to show the error until the user presses something to clear it.
   while (segavideo_getState() == Error) {