42 lines
1.4 KiB
Scala
42 lines
1.4 KiB
Scala
package day5
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import day5.opcode.{Action, Jump, OpCode1, OpCode2, OpCode99}
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import scala.io.Source
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object Main {
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val insertTape = Source.fromFile(getClass.getResource("/input5.txt").getFile).mkString.split("[^\\d-]+").map(x => x.toInt)
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def opCodeRunner(tape: Array[Int], nextPtr: Int): Boolean =
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{
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//println("=======\nParsing at "+nextPtr+": ["+tape(nextPtr)+", "+tape(nextPtr+1)+", "+tape(nextPtr+2)+", "+tape(nextPtr+3)+ "]");
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val tuple = OpCode1.parseInt(tape(nextPtr));
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//println("Executing: " + tuple)
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tuple match
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{
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case (_, _, _, OpCode99) => true // finish
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case (m3, m2, m1, instruction: Jump) =>
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{
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val (bool, jmpPtr) = instruction.checkConditionAndJump(tape, tape(nextPtr+1), tape(nextPtr+2), tape(nextPtr+3), m1, m2, m3)
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//println("Jumping?: " + bool + " " + jmpPtr)
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if (bool) opCodeRunner(tape, jmpPtr)
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else opCodeRunner(tape, nextPtr + instruction.length)
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}
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case (m3, m2, m1, instruction: Action) =>
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{
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instruction.exec(tape, tape(nextPtr+1), tape(nextPtr+2), tape(nextPtr+3), m1, m2, m3)
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opCodeRunner(tape, nextPtr + instruction.length)
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}
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}
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}
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def main(args: Array[String]): Unit = {
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println("Starting program...")
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opCodeRunner(insertTape, 0)
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println("Program finished...")
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}
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}
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