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kamoshi 2019-12-06 23:11:54 +01:00 committed by GitHub
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2019/day5/Main.scala
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package day5
import day5.opcode.{Action, Jump, OpCode99}
import scala.io.Source
object Main {
val insertTape = Source.fromFile(getClass.getResource("/input5.txt").getFile).mkString.split("[^\\d-]+").map(x => x.toInt)
def opCodeRunner(tape: Array[Int], nextPtr: Int): Boolean =
{
//println("=======\nParsing at "+nextPtr+": ["+tape(nextPtr)+", "+tape(nextPtr+1)+", "+tape(nextPtr+2)+", "+tape(nextPtr+3)+ "]");
val tuple = OpCode99.parseInt(tape(nextPtr));
//println("Executing: " + tuple)
tuple match
{
case (_, _, _, OpCode99) => true // finish
case (m3, m2, m1, instruction: Jump) =>
{
val (bool, jmpPtr) = instruction.checkConditionAndJump(tape, tape(nextPtr+1), tape(nextPtr+2), tape(nextPtr+3), m1, m2, m3)
//println("Jumping?: " + bool + " " + jmpPtr)
if (bool) opCodeRunner(tape, jmpPtr)
else opCodeRunner(tape, nextPtr + instruction.length)
}
case (m3, m2, m1, instruction: Action) =>
{
instruction.exec(tape, tape(nextPtr+1), tape(nextPtr+2), tape(nextPtr+3), m1, m2, m3)
opCodeRunner(tape, nextPtr + instruction.length)
}
}
}
def main(args: Array[String]): Unit = {
println("Starting program...")
opCodeRunner(insertTape, 0)
println("Program finished...")
}
}