add missing files

src/test/scala/com/htmlism/mos6502/dsl/snake/AsciiValue.scala

@@ -0,0 +1,36 @@
+package com.htmlism.mos6502.dsl
+package snake
+
+import cats.data.NonEmptyList
+
+object AsciiValue {
+  implicit val asciiValueMapping: Mapping[AsciiValue] =
+    new Mapping[AsciiValue] {
+      def comment: String =
+        "foo as a mapping"
+
+      def all: NonEmptyList[AsciiValue] =
+        NonEmptyList.of(AsciiW, AsciiA, AsciiS, AsciiD)
+
+      def value(x: AsciiValue): Int =
+        x match {
+          case AsciiW => 0x77
+          case AsciiA => 0x61
+          case AsciiS => 0x73
+          case AsciiD => 0x64
+        }
+
+      def label(x: AsciiValue): String =
+        x.toString.toLowerCase
+
+      def comment(x: AsciiValue): String =
+        x.toString
+    }
+}
+
+sealed trait AsciiValue
+
+case object AsciiW extends AsciiValue
+case object AsciiA extends AsciiValue
+case object AsciiS extends AsciiValue
+case object AsciiD extends AsciiValue

src/test/scala/com/htmlism/mos6502/dsl/snake/Direction.scala

@@ -0,0 +1,28 @@
+package com.htmlism.mos6502.dsl
+package snake
+
+import cats.data.NonEmptyList
+
+object Direction {
+  implicit val directionBitField: BitField[Direction] =
+    new BitField[Direction] {
+      def comment: String =
+        "foo as bit field"
+
+      def all: NonEmptyList[Direction] =
+        NonEmptyList.of(Up, Down, Left, Right)
+
+      def label(x: Direction): String =
+        "moving" + x.toString
+
+      def comment(x: Direction): String =
+        x.toString
+    }
+}
+
+sealed trait Direction
+
+case object Up    extends Direction
+case object Down  extends Direction
+case object Left  extends Direction
+case object Right extends Direction