SIO registers can now be read and written properly

src/gba/gba-io.c

@@ -259,6 +259,9 @@ void GBAIOWrite(struct GBA* gba, uint32_t address, uint16_t value) {
 			value &= 0xC1FF;
 			GBASIOWriteRCNT(&gba->sio, value);
 			break;
+		case REG_SIOMLT_SEND:
+			GBASIOWriteSIOMLT_SEND(&gba->sio, value);
+			break;
 
 		// Interrupts and misc
 		case REG_WAITCNT:
@@ -411,6 +414,11 @@ uint16_t GBAIORead(struct GBA* gba, uint32_t address) {
 	case REG_DMA1CNT_HI:
 	case REG_DMA2CNT_HI:
 	case REG_DMA3CNT_HI:
+	case REG_SIOMULTI0:
+	case REG_SIOMULTI1:
+	case REG_SIOMULTI2:
+	case REG_SIOMULTI3:
+	case REG_SIOMLT_SEND:
 	case REG_IE:
 	case REG_IF:
 	case REG_WAITCNT:

src/gba/gba-sio.c

@@ -108,11 +108,11 @@ void GBASIOWriteRCNT(struct GBASIO* sio, uint16_t value) {
 }
 
 void GBASIOWriteSIOCNT(struct GBASIO* sio, uint16_t value) {
+	if (sio->activeDriver && sio->activeDriver->writeRegister) {
+		value = sio->activeDriver->writeRegister(sio->activeDriver, REG_SIOCNT, value);
+	}
 	sio->siocnt = value;
 	_switchMode(sio);
-	if (sio->activeDriver && sio->activeDriver->writeRegister) {
-		sio->activeDriver->writeRegister(sio->activeDriver, REG_SIOCNT, value);
-	}
 }
 
 void GBASIOWriteSIOMLT_SEND(struct GBASIO* sio, uint16_t value) {

src/gba/gba.c

@@ -2,6 +2,7 @@
 
 #include "gba-bios.h"
 #include "gba-io.h"
+#include "gba-sio.h"
 #include "gba-thread.h"
 #include "memory.h"
 
@@ -198,6 +199,11 @@ static void GBAProcessEvents(struct ARMBoard* board) {
 			nextEvent = testEvent;
 		}
 
+		testEvent = GBASIOProcessEvents(&gbaBoard->p->sio, cycles);
+		if (testEvent < nextEvent) {
+			nextEvent = testEvent;
+		}
+
 		board->cpu->cycles -= cycles;
 		board->cpu->nextEvent = nextEvent;
 	} while (board->cpu->cycles >= board->cpu->nextEvent);
@@ -447,10 +453,6 @@ void GBATimerWriteTMCNT_HI(struct GBA* gba, int timer, uint16_t control) {
 };
 
 void GBAWriteIE(struct GBA* gba, uint16_t value) {
-	if (value & (1 << IRQ_SIO)) {
-		GBALog(gba, GBA_LOG_STUB, "SIO interrupts not implemented");
-	}
-
 	if (value & (1 << IRQ_KEYPAD)) {
 		GBALog(gba, GBA_LOG_STUB, "Keypad interrupts not implemented");
 	}

src/util/socket.h

@@ -8,6 +8,7 @@ typedef SOCKET Socket;
 #else
 #include <fcntl.h>
 #include <netinet/in.h>
+#include <netinet/tcp.h>
 #include <stdio.h>
 #include <sys/socket.h>
 #include <unistd.h>
@@ -81,4 +82,8 @@ static inline int SocketSetBlocking(Socket socket, int blocking) {
 #endif
 }
 
+static inline int SocketSetTCPPush(Socket socket, int push) {
+	return setsockopt(socket, IPPROTO_TCP, TCP_NODELAY, (char*) &push, sizeof(int)) >= 0;
+}
+
 #endif