1 files changed, 76 insertions, 4 deletions

diff --git a/src/frontend/FrontendUtil.h b/src/frontend/FrontendUtil.h
index 32f28d1..099583f 100644
--- a/src/frontend/FrontendUtil.h
+++ b/src/frontend/FrontendUtil.h
@@ -32,6 +32,33 @@ enum
     ROMSlot_MAX
 };
 
+enum
+{
+    Load_OK = 0,
+
+    Load_BIOS9Missing,
+    Load_BIOS9Bad,
+
+    Load_BIOS7Missing,
+    Load_BIOS7Bad,
+
+    Load_FirmwareMissing,
+    Load_FirmwareBad,
+    Load_FirmwareNotBootable,
+
+    Load_DSiBIOS9Missing,
+    Load_DSiBIOS9Bad,
+
+    Load_DSiBIOS7Missing,
+    Load_DSiBIOS7Bad,
+
+    Load_DSiNANDMissing,
+    Load_DSiNANDBad,
+
+    // TODO: more precise errors for ROM loading
+    Load_ROMLoadError,
+};
+
 extern char ROMPath [ROMSlot_MAX][1024];
 extern char SRAMPath[ROMSlot_MAX][1024];
 extern bool SavestateLoaded;
@@ -41,11 +68,18 @@ extern bool SavestateLoaded;
 void Init_ROM();
 
 // load the BIOS/firmware and boot from it
-bool LoadBIOS();
+int LoadBIOS();
 
 // load a ROM file to the specified cart slot
 // note: loading a ROM to the NDS slot resets emulation
-bool LoadROM(const char* file, int slot);
+int LoadROM(const char* file, int slot);
+
+// unload the ROM loaded in the specified cart slot
+// simulating ejection of the cartridge
+void UnloadROM(int slot);
+
+// reset execution of the current ROM
+int Reset();
 
 // get the filename associated with the given savestate slot (1-8)
 void GetSavestateName(int slot, char* filename, int len);
@@ -64,6 +98,33 @@ bool SaveState(const char* filename);
 void UndoStateLoad();
 
 
+// setup the display layout based on the provided display size and parameters
+// * screenWidth/screenHeight: size of the host display
+// * screenLayout: how the DS screens are laid out
+//     0 = natural (top screen above bottom screen always)
+//     1 = vertical
+//     2 = horizontal
+// * rotation: angle at which the DS screens are presented: 0/1/2/3 = 0/90/180/270
+// * sizing: how the display size is shared between the two screens
+//     0 = even (both screens get same size)
+//     1 = emphasize top screen (make top screen as big as possible, fit bottom screen in remaining space)
+//     2 = emphasize bottom screen
+// * screenGap: size of the gap between the two screens
+// * integerScale: force screens to be scaled up at integer scaling factors
+void SetupScreenLayout(int screenWidth, int screenHeight, int screenLayout, int rotation, int sizing, int screenGap, bool integerScale);
+
+// get a 2x3 transform matrix for each screen
+// note: the transform assumes an origin point at the top left of the display,
+// X going left and Y going down
+// for each screen the source coordinates should be (0,0) and (256,192)
+// 'top' and 'bot' should point each to an array of 6 floats
+void GetScreenTransforms(float* top, float* bot);
+
+// de-transform the provided host display coordinates to get coordinates
+// on the bottom screen
+void GetTouchCoords(int& x, int& y);
+
+
 // initialize the audio utility
 void Init_Audio(int outputfreq);
 
@@ -72,9 +133,20 @@ void Init_Audio(int outputfreq);
 int AudioOut_GetNumSamples(int outlen);
 
 // resample audio from the core audio output to match the frontend's
-// output frequency, and apply user-specified volume
+// output frequency, and apply specified volume
 // note: this assumes the output buffer is interleaved stereo
-void AudioOut_Resample(s16* inbuf, int inlen, s16* outbuf, int outlen);
+void AudioOut_Resample(s16* inbuf, int inlen, s16* outbuf, int outlen, int volume);
+
+// feed silence to the microphone input
+void Mic_FeedSilence();
+
+// feed random noise to the microphone input
+void Mic_FeedNoise();
+
+// feed an external buffer to the microphone input
+// buffer should be mono
+void Mic_FeedExternalBuffer();
+void Mic_SetExternalBuffer(s16* buffer, u32 len);
 
 }