Remove legacy JVM-specific file system, shell, and related implementations; migrate to platform-agnostic and common main modules.

src/commonMain/kotlin/mtmc/util/BinaryUtils.kt

@@ -0,0 +1,44 @@
+package mtmc.util
+
+object BinaryUtils {
+  /**
+   * @param start - a base 1 index to start at (16 is the most significant, 1 is the least)
+   * @param totalBits - the total bits to get
+   * @param value - the value to get the bits from
+   */
+  fun getBits(start: Int, totalBits: Int, value: Short): Short {
+    if (totalBits <= 0) {
+      return 0
+    }
+    val returnValue = (value.toInt() and 0xffff) ushr (start - totalBits)
+    var mask = 0
+    var toShift = totalBits
+    while (toShift > 0) {
+      toShift--
+      mask = mask shl 1
+      mask = mask + 1
+    }
+    return (returnValue and mask).toShort()
+  }
+
+  fun toBinary(aByte: Byte): String {
+    val zeroed = aByte.toInt().toString(2).padStart(8, '0')
+    val underScored = zeroed.replace("....".toRegex(), "$0_")
+    val noTrailingUnderscore = underScored.substring(0, underScored.length - 1)
+    return "0b" + noTrailingUnderscore
+  }
+
+  fun toBinary(aShort: Short): String {
+    val zeroed = aShort.toInt().toString(2).padStart(16, '0')
+    val underScored = zeroed.replace("....".toRegex(), "$0_")
+    val noTrailingUnderscore = underScored.substring(0, underScored.length - 1)
+    return "0b" + noTrailingUnderscore
+  }
+
+  fun toBinary(anInt: Int): String {
+    val zeroed = anInt.toString(2).padStart(32, '0')
+    val underScored = zeroed.replace("....".toRegex(), "$0_")
+    val noTrailingUnderscore = underScored.substring(0, underScored.length - 1)
+    return "0b" + noTrailingUnderscore
+  }
+}