keyboard input works

src/tic.c

@@ -1263,7 +1263,7 @@ static bool isNoiseWaveform(const tic_waveform* wave)
 
 static bool isKeyPressed(const tic80_keyboard* input, tic_key key)
 {
-	for(s32 i = 0; i < TIC_KEY_BUFFER; i++)
+	for(s32 i = 0; i < TIC80_KEY_BUFFER; i++)
 		if(input->keys[i] == key)
 			return true;
 
@@ -1689,7 +1689,7 @@ static bool api_keyp(tic_mem* tic, tic_key key, s32 hold, s32 period)
 		return !prevDown && down;
 	}
 
-	for(s32 i = 0; i < TIC_KEY_BUFFER; i++)
+	for(s32 i = 0; i < TIC80_KEY_BUFFER; i++)
 	{
 		tic_key key = tic->ram.input.keyboard.keys[i];
 
@@ -1697,7 +1697,7 @@ static bool api_keyp(tic_mem* tic, tic_key key, s32 hold, s32 period)
 		{
 			bool wasPressed = false;
 
-			for(s32 p = 0; p < TIC_KEY_BUFFER; p++)
+			for(s32 p = 0; p < TIC80_KEY_BUFFER; p++)
 			{
 				if(machine->state.keyboard.previous.keys[p] == key)
 				{
@@ -1714,7 +1714,23 @@ static bool api_keyp(tic_mem* tic, tic_key key, s32 hold, s32 period)
 	return false;
 }
 
+static char api_keytext(tic_mem* tic)
+{
+	static const char Symbols[] = 	"abcdefghijklmnopqrstuvwxyz0123456789-=[]\\;'`,./ ";
+	static const char Shift[] = 	"ABCDEFGHIJKLMNOPQRSTUVWXYZ)!@#$%^&*(_+{}|:\"~<>? ";
 
+	enum{Count = sizeof Symbols, Hold = 20, Period = 3};
+
+	for(s32 i = 0; i < TIC80_KEY_BUFFER; i++)
+	{
+		tic_key key = tic->ram.input.keyboard.keys[i];
+
+		if(key > 0 && key < Count && tic->api.keyp(tic, key, Hold, Period))
+			return tic->api.key(tic, tic_key_shift) ? Shift[key-1] : Symbols[key-1];
+	}
+
+	return 0;
+}
 static void api_load(tic_cartridge* cart, const u8* buffer, s32 size, bool palette)
 {
 	const u8* end = buffer + size;
@@ -1944,6 +1960,7 @@ static void initApi(tic_api* api)
 	INIT_API(btnp);
 	INIT_API(key);
 	INIT_API(keyp);
+	INIT_API(keytext);
 	INIT_API(load);
 	INIT_API(save);
 	INIT_API(tick_start);