Code split

vm/types.v

@@ -0,0 +1,34 @@
+// types.v — core types and constants for the VuurRaaf VM.
+module vm
+
+const stack_cap = 65536
+
+// Field is one `name: value` entry of a struct value.
+struct Field {
+mut:
+	name string
+	val  i64
+}
+
+struct StructVal {
+mut:
+	fields []Field
+}
+
+struct Vm {
+mut:
+	code    []u8
+	strings []string
+	arrays  [][]i64
+	structs []StructVal
+	stack   []i64
+	sp      int
+	bp      int
+	ip      int
+	trace   bool
+	halted  bool
+}
+
+fn bool_i64(b bool) i64 {
+	return if b { i64(1) } else { i64(0) }
+}