9 files changed, 100 insertions, 13 deletions
diff --git a/Source/Library/Common/SimpleList.class.h b/Source/Library/Common/SimpleList.class.h
index 64e37aa..3e0f968 100644
--- a/Source/Library/Common/SimpleList.class.h
+++ b/Source/Library/Common/SimpleList.class.h
@@ -1,6 +1,8 @@
 #ifndef DEF_SIMPLELIST_CLASS_H
 #define DEF_SIMPLELIST_CLASS_H
 
+#include <common.h>
+
 /* This class implements a singly linked list. It is also used to represent one of its elements. */
 
 template <typename T>
diff --git a/Source/Library/Interface/VirtualTerminal.iface.h b/Source/Library/Interface/VirtualTerminal.iface.h
new file mode 100644
index 0000000..661162f
--- /dev/null
+++ b/Source/Library/Interface/VirtualTerminal.iface.h
@@ -0,0 +1,8 @@
+#ifndef DEF_VITRUALTERMINAL_IFACE_H
+#define DEF_VITRUALTERMINAL_IFACE_H
+
+#define VT_IFACE_OBJTYPE 0x10
+#define VT_IFACE_PUT 0x01
+#define VT_IFACE_WRITEHEX 0x02
+
+#endif
diff --git a/Source/Library/Makefile b/Source/Library/Makefile
index f7d337b..b9be0a0 100644
--- a/Source/Library/Makefile
+++ b/Source/Library/Makefile
@@ -9,7 +9,9 @@ LD = ld
 Library = Melon.o
 Objects = Common/WChar.class.uo \
 		  Common/CMem.ns.uo \
-		  Userland/Syscall/Syscall.wtf.uo
+		  Userland/Syscall/Syscall.wtf.uo \
+		  Userland/Syscall/RessourceCaller.class.uo \
+		  Userland/Start.uo
 
 all: $(Library)
 	echo "* Done with library"
diff --git a/Source/Library/Userland/Start.cpp b/Source/Library/Userland/Start.cpp
new file mode 100644
index 0000000..02eb951
--- /dev/null
+++ b/Source/Library/Userland/Start.cpp
@@ -0,0 +1,8 @@
+#include <types.h>
+
+int main();
+
+extern "C" void start() {
+	u32int r = main();
+	asm volatile("int $66" : : "a"(r));
+}
diff --git a/Source/Library/Userland/Syscall/RessourceCaller.class.cpp b/Source/Library/Userland/Syscall/RessourceCaller.class.cpp
new file mode 100644
index 0000000..2d7b6ba
--- /dev/null
+++ b/Source/Library/Userland/Syscall/RessourceCaller.class.cpp
@@ -0,0 +1,18 @@
+#include "RessourceCaller.class.h"
+
+RessourceCaller::RessourceCaller(u32int id, u32int type) {
+	m_id = id;
+	m_type = 1;
+	m_type = doCall(0);
+	if (m_type != type) m_type = 0;
+}
+
+u32int RessourceCaller::getObjId(u32int type) {
+	return syscall(0xFFFFFE00, type);
+}
+
+u32int RessourceCaller::doCall(u8int call, u32int a, u32int b, u32int c, u32int d, u32int e) {
+	if (m_type == 0) return (u32int) - 1;	//Type 0 = invalid object
+	u32int x = ((m_id << 8) | call);
+	return syscall(x, a, b, c, d, e);
+}
diff --git a/Source/Library/Userland/Syscall/RessourceCaller.class.h b/Source/Library/Userland/Syscall/RessourceCaller.class.h
new file mode 100644
index 0000000..3ad8900
--- /dev/null
+++ b/Source/Library/Userland/Syscall/RessourceCaller.class.h
@@ -0,0 +1,22 @@
+#ifndef DEF_RESSOURCECALLER_CLASS_H
+#define DEF_RESSOURCECALLER_CLASS_H
+
+#include <Syscall/Syscall.wtf.h>
+
+class RessourceCaller {
+	private:
+	u32int m_id;
+	u32int m_type;
+
+	protected:
+	RessourceCaller(u32int id, u32int type);
+	static u32int getObjId(u32int type);
+	u32int doCall(u8int call, u32int a = 0, u32int b = 0, u32int c = 0, u32int d = 0, u32int e = 0);
+
+	public:
+	u32int resId() { return m_id; }
+	u32int resType() { return m_type; }
+	bool valid() { return m_type != 0; }
+};
+
+#endif
diff --git a/Source/Library/Userland/Syscall/Syscall.wtf.cpp b/Source/Library/Userland/Syscall/Syscall.wtf.cpp
index 2c03b20..a28c202 100644
--- a/Source/Library/Userland/Syscall/Syscall.wtf.cpp
+++ b/Source/Library/Userland/Syscall/Syscall.wtf.cpp
@@ -1,20 +1,21 @@
 #include "Syscall.wtf.h"
 
-int main();
-
-unsigned int syscall(unsigned int n, unsigned int a, unsigned int b, unsigned int c) {
-	unsigned int r;
+u32int syscall(u32int n, u32int a, u32int b, u32int c, u32int d, u32int e) {
+	u32int r;
 	asm volatile ("int $64;"
-			: "=a"(r) : "a"(n), "b"(a), "c"(b), "d"(c));
+			: "=a"(r) : "a"(n), "b"(a), "c"(b), "d"(c), "D"(d), "S"(e));
 	return r;
 }
 
-extern "C" void start() {
-	unsigned int r = main();
-	asm volatile("int $66" : : "a"(r));
-}
-
 void putch(char c) {
-	unsigned int x = c;
+	u32int x = c;
 	syscall(0xFFFFFF01, x);
 }
+
+void sleep(u32int t) {
+	syscall(0xFFFFFF02, t);
+}
+
+void write_hex(u32int n) {
+	syscall(0XFFFFFF03, n);
+}
diff --git a/Source/Library/Userland/Syscall/Syscall.wtf.h b/Source/Library/Userland/Syscall/Syscall.wtf.h
index b220d14..0401a89 100644
--- a/Source/Library/Userland/Syscall/Syscall.wtf.h
+++ b/Source/Library/Userland/Syscall/Syscall.wtf.h
@@ -3,7 +3,11 @@
 
 #include <types.h>
 
+//Three basic syscalls, just for testing
 void putch(char);
-unsigned int syscall(unsigned int n, unsigned int a, unsigned int b = 0, unsigned int c = 0);
+void sleep(u32int);
+void write_hex(u32int);
+
+u32int syscall(u32int n, u32int a, u32int b = 0, u32int c = 0, u32int d = 0, u32int e = 0);
 
 #endif
diff --git a/Source/Library/Userland/VirtualTerminal.class.h b/Source/Library/Userland/VirtualTerminal.class.h
new file mode 100644
index 0000000..a7bb4c2
--- /dev/null
+++ b/Source/Library/Userland/VirtualTerminal.class.h
@@ -0,0 +1,22 @@
+#include <Syscall/RessourceCaller.class.h>
+
+#include <VirtualTerminal.iface.h>
+
+#include <WChar.class.h>
+
+class VirtualTerminal : public RessourceCaller {
+	public:
+	static VirtualTerminal get() {
+		u32int id = RessourceCaller::getObjId(VT_IFACE_OBJTYPE);
+		return VirtualTerminal(id);
+	}
+	VirtualTerminal(u32int id) : RessourceCaller(id, VT_IFACE_OBJTYPE) {}
+
+	void writeHex(u32int number) {
+		doCall(VT_IFACE_WRITEHEX, number);
+	}
+
+	void put(WChar c) {
+		doCall(VT_IFACE_PUT, c);
+	}
+};