Expose rumble

src/gba/gba-gpio.c

@@ -16,6 +16,8 @@ static unsigned _rtcBCD(unsigned value);
 
 static void _gyroReadPins(struct GBACartridgeGPIO* gpio);
 
+static void _rumbleReadPins(struct GBACartridgeGPIO* gpio);
+
 static const int RTC_BYTES[8] = {
 	0, // Force reset
 	0, // Empty
@@ -80,6 +82,10 @@ void _readPins(struct GBACartridgeGPIO* gpio) {
 	if (gpio->gpioDevices & GPIO_GYRO) {
 		_gyroReadPins(gpio);
 	}
+
+	if (gpio->gpioDevices & GPIO_RUMBLE) {
+		_rumbleReadPins(gpio);
+	}
 }
 
 void _outputPins(struct GBACartridgeGPIO* gpio, unsigned pins) {
@@ -252,7 +258,6 @@ void GBAGPIOInitGyro(struct GBACartridgeGPIO* gpio) {
 	gpio->gyroEdge = 0;
 }
 
-
 void _gyroReadPins(struct GBACartridgeGPIO* gpio) {
 	struct GBARotationSource* gyro = gpio->p->rotationSource;
 	if (!gyro) {
@@ -278,3 +283,18 @@ void _gyroReadPins(struct GBACartridgeGPIO* gpio) {
 
 	gpio->gyroEdge = gpio->p1;
 }
+
+// == Rumble
+
+void GBAGPIOInitRumble(struct GBACartridgeGPIO* gpio) {
+	gpio->gpioDevices |= GPIO_RUMBLE;
+}
+
+void _rumbleReadPins(struct GBACartridgeGPIO* gpio) {
+	struct GBARumble* rumble = gpio->p->rumble;
+	if (!rumble) {
+		return;
+	}
+
+	rumble->setRumble(rumble, gpio->p3);
+}

src/gba/gba-gpio.h

@@ -63,6 +63,10 @@ struct GBARTC {
 	uint8_t time[7];
 };
 
+struct GBARumble {
+	void (*setRumble)(struct GBARumble*, int enable);
+};
+
 struct GBACartridgeGPIO {
 	struct GBA* p;
 	int gpioDevices;
@@ -102,4 +106,6 @@ void GBAGPIOInitRTC(struct GBACartridgeGPIO* gpio);
 
 void GBAGPIOInitGyro(struct GBACartridgeGPIO* gpio);
 
+void GBAGPIOInitRumble(struct GBACartridgeGPIO* gpio);
+
 #endif

src/gba/gba.c

@@ -534,6 +534,10 @@ void _checkOverrides(struct GBA* gba, uint32_t id) {
 			if (_overrides[i].gpio & GPIO_GYRO) {
 				GBAGPIOInitGyro(&gba->memory.gpio);
 			}
+
+			if (_overrides[i].gpio & GPIO_RUMBLE) {
+				GBAGPIOInitRumble(&gba->memory.gpio);
+			}
 			return;
 		}
 	}

src/gba/gba.h

@@ -88,6 +88,7 @@ struct GBA {
 	int springIRQ;
 	int* keySource;
 	struct GBARotationSource* rotationSource;
+	struct GBARumble* rumble;
 
 	const char* activeFile;
 	const char* savefile;