GBA Peripherals: Partial Beast Link Gate support

include/mgba/gba/interface.h

@@ -64,6 +64,7 @@ enum GBASIOBattleChipGateFlavor {
 	GBA_FLAVOR_BATTLECHIP_GATE = 4,
 	GBA_FLAVOR_PROGRESS_GATE = 5,
 	GBA_FLAVOR_BEAST_LINK_GATE = 6,
+	GBA_FLAVOR_BEAST_LINK_GATE_US = 7,
 };
 
 struct GBASIOBattlechipGate {

res/chip-names-6.txt

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src/gba/core.c

@@ -535,6 +535,7 @@ static void _GBACoreSetPeripheral(struct mCore* core, int type, void* periph) {
 		break;
 	case mPERIPH_GBA_BATTLECHIP_GATE:
 		GBASIOSetDriver(&gba->sio, periph, SIO_MULTI);
+		GBASIOSetDriver(&gba->sio, periph, SIO_NORMAL_32);
 		break;
 	default:
 		return;

src/gba/extra/battlechip.c

@@ -27,7 +27,8 @@ enum {
 enum {
 	BATTLECHIP_OK = 0xFFC6,
 	PROGRESS_GATE_OK = 0xFFC7,
-	BEAST_LINK_GATE_OK = 0xFFC8,
+	BEAST_LINK_GATE_OK = 0xFFC4,
+	BEAST_LINK_GATE_US_OK = 0xFF00,
 	BATTLECHIP_CONTINUE = 0xFFFF,
 };
 
@@ -87,13 +88,29 @@ uint16_t GBASIOBattlechipGateWriteRegister(struct GBASIODriver* driver, uint32_t
 }
 
 void _battlechipTransfer(struct GBASIOBattlechipGate* gate) {
-	int32_t cycles = GBASIOCyclesPerTransfer[gate->d.p->multiplayerControl.baud][1];
+	int32_t cycles;
+	if (gate->d.p->mode == SIO_NORMAL_32) {
+		cycles = GBA_ARM7TDMI_FREQUENCY / 0x40000;
+	} else {
+		cycles = GBASIOCyclesPerTransfer[gate->d.p->multiplayerControl.baud][1];
+	}
+	mTimingDeschedule(&gate->d.p->p->timing, &gate->event);
 	mTimingSchedule(&gate->d.p->p->timing, &gate->event, cycles);
 }
 
 void _battlechipTransferEvent(struct mTiming* timing, void* user, uint32_t cyclesLate) {
 	struct GBASIOBattlechipGate* gate = user;
 
+	if (gate->d.p->mode == SIO_NORMAL_32) {
+		gate->d.p->p->memory.io[REG_SIODATA32_LO >> 1] = 0;
+		gate->d.p->p->memory.io[REG_SIODATA32_HI >> 1] = 0;
+		gate->d.p->normalControl.start = 0;
+		if (gate->d.p->normalControl.irq) {
+			GBARaiseIRQ(gate->d.p->p, IRQ_SIO);
+		}
+		return;
+	}
+
 	uint16_t cmd = gate->d.p->p->memory.io[REG_SIOMLT_SEND >> 1];
 	uint16_t reply = 0xFFFF;
 	gate->d.p->p->memory.io[REG_SIOMULTI0 >> 1] = cmd;
@@ -116,6 +133,9 @@ void _battlechipTransferEvent(struct mTiming* timing, void* user, uint32_t cycle
 	case GBA_FLAVOR_BEAST_LINK_GATE:
 		ok = BEAST_LINK_GATE_OK;
 		break;
+	case GBA_FLAVOR_BEAST_LINK_GATE_US:
+		ok = BEAST_LINK_GATE_US_OK;
+		break;
 	}
 
 	switch (gate->state) {
@@ -139,7 +159,18 @@ void _battlechipTransferEvent(struct mTiming* timing, void* user, uint32_t cycle
 		case 0x537C:
 		case 0x537D:
 		case 0x537E:
+		case 0xB7D3:
+		case 0xB7D4:
+		case 0xB7D5:
+		case 0xB7D6:
+		case 0xB7D7:
+		case 0xB7D8:
 		case 0xC4D8:
+		case 0xC4D9:
+		case 0xC4DA:
+		case 0xC4DB:
+		case 0xC4DC:
+		case 0xC4DD:
 		case 0xD979:
 		case 0xD97A:
 		case 0xD97B:
@@ -148,6 +179,12 @@ void _battlechipTransferEvent(struct mTiming* timing, void* user, uint32_t cycle
 		case 0xD97E:
 			reply = ok;
 			break;
+		case 0x3545:
+		case 0x3546:
+		case 0x3547:
+		case 0x3548:
+		case 0x3549:
+		case 0x354A:
 		case 0x424A:
 		case 0x424B:
 		case 0x424C:

src/platform/qt/BattleChipView.cpp

@@ -39,7 +39,16 @@ BattleChipView::BattleChipView(std::shared_ptr<CoreController> controller, QWidg
 	});
 	connect(m_ui.gateBeastLink, &QAbstractButton::toggled, this, [this](bool on) {
 		if (on) {
-			setFlavor(6);
+			char title[9];
+			CoreController::Interrupter interrupter(m_controller);
+			mCore* core = m_controller->thread()->core;
+			title[8] = '\0';
+			core->getGameCode(core, title);
+			if (title[7] == 'E' || title[7] == 'P') {
+				setFlavor(7);
+			} else {
+				setFlavor(6);
+			}
 		}
 	});
 
@@ -69,6 +78,10 @@ void BattleChipView::loadChipNames(int flavor) {
 	QStringList chipNames;
 	chipNames.append(tr("(None)"));
 
+	if (flavor == 7) {
+		flavor = 6;
+	}
+
 	QFile file(QString(":/res/chip-names-%1.txt").arg(flavor));
 	file.open(QIODevice::ReadOnly | QIODevice::Text);
 	while (true) {

src/platform/qt/BattleChipView.ui

@@ -77,9 +77,6 @@
    </item>
    <item row="2" column="1">
     <widget class="QRadioButton" name="gateBeastLink">
-     <property name="enabled">
-      <bool>false</bool>
-     </property>
      <property name="text">
       <string>Beast &amp;Link Gate</string>
      </property>

src/platform/qt/resources.qrc

@@ -6,5 +6,6 @@
      <file>../../../res/no-cam.png</file>
      <file>../../../res/chip-names-4.txt</file>
      <file>../../../res/chip-names-5.txt</file>
+     <file>../../../res/chip-names-6.txt</file>
  </qresource>
  </RCC>