Add some samples of Jasmin assembly

samples/Jasmin/if1.j

@@ -0,0 +1,56 @@
+.class public if1
+.super java/lang/Object
+;
+; standard initializer (calls java.lang.Object's initializer)
+;
+.method public <init>()V
+aload_0
+invokenonvirtual java/lang/Object/<init>()V
+return
+.end method
+
+.method public static main([Ljava/lang/String;)V
+
+.limit locals 1
+.limit stack 5
+BeginGlobal:
+	.line 2
+		ldc		0x1
+		ldc		0x1
+		if_icmpeq		If556261059
+		goto		IfElse556261059
+	If556261059:
+	.line 3
+		.line 3
+			getstatic		java/lang/System/out Ljava/io/PrintStream;
+		ldc		0x1
+			invokevirtual		java/io/PrintStream/print(I)V
+		goto		IfDone556261059
+	IfElse556261059:
+	.line 5
+		.line 5
+			getstatic		java/lang/System/out Ljava/io/PrintStream;
+		ldc		0x2
+			invokevirtual		java/io/PrintStream/print(I)V
+	IfDone556261059:
+
+	.line 6
+		getstatic		java/lang/System/out Ljava/io/PrintStream;
+	ldc		0x3
+		invokevirtual		java/io/PrintStream/print(I)V
+
+	.line 7
+		ldc		0x1
+		ldc		0x1
+		if_icmpne		IfNot-920218690
+	.line 8
+		.line 8
+			getstatic		java/lang/System/out Ljava/io/PrintStream;
+		ldc		0x4
+			invokevirtual		java/io/PrintStream/print(I)V
+	IfNot-920218690:
+
+EndGlobal:
+return
+.end method
+