more minor changes

src/net/torvald/terrarum/virtualcomputer/computer/TerrarumComputer.kt

@@ -537,7 +537,7 @@ class TerrarumComputer(peripheralSlots: Int) {
     }
 
     private fun playTone(leninmilli: Int, freq: Double) {
-        audioData = makeAudioData(leninmilli, freq)
+        /*audioData = makeAudioData(leninmilli, freq)
 
 
         if (!AL.isCreated()) AL.create()
@@ -577,7 +577,7 @@ class TerrarumComputer(peripheralSlots: Int) {
         }
         catch (e: ALException) {
             AL10.alDeleteSources(beepSource)
-        }
+        }*/
     }
 
     // Custom implementation of Util.checkALError() that uses our custom exception.

src/net/torvald/terrarum/virtualcomputer/peripheral/Peripheral.kt

@@ -12,4 +12,6 @@ abstract class Peripheral(val tableName: String) {
     abstract fun loadLib(globals: Globals)
 
     override fun toString(): String = "Peripheral:$tableName"
+
+    abstract val memSize: Int
 }

src/net/torvald/terrarum/virtualcomputer/peripheral/PeripheralCharLCD.kt

@@ -0,0 +1,44 @@
+package net.torvald.terrarum.virtualcomputer.peripheral
+
+import net.torvald.terrarum.ModMgr
+import org.luaj.vm2.Globals
+import org.newdawn.slick.Graphics
+import org.newdawn.slick.SpriteSheet
+import org.newdawn.slick.SpriteSheetFont
+
+/**
+ * Created by minjaesong on 2017-05-31.
+ */
+class PeripheralCharLCD(val width: Int, val height: Int) : Peripheral("charLCD") {
+    companion object {
+        private val fontSheet = SpriteSheet(ModMgr.getPath("dwarventech", "mt-32.tga"), 16, 16)
+        private val font = SpriteSheetFont(fontSheet, 0.toChar())
+        private val fontW = fontSheet.width / fontSheet.horizontalCount
+        private val fontH = fontSheet.height / fontSheet.verticalCount
+    }
+
+    override fun loadLib(globals: Globals) {
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+
+    override fun toString(): String {
+        return super.toString()
+    }
+
+    override val memSize = width * height
+
+    var cursor: Int = 0 // character LCDs are mostly single long line wrapped
+
+    val memory = ByteArray(memSize) // temporary; replace with proper VMPeripheralWrapper
+
+    /**
+     * @param g Frame Buffer that holds the display of LCD screen
+     */
+    fun render(g: Graphics) {
+        g.font = PeripheralCharLCD.font
+
+        memory.forEachIndexed { index, byte ->
+            g.drawString("${byte.toChar()}", (index % width) * fontW.toFloat(), (index / width) * fontH.toFloat())
+        }
+    }
+}

src/net/torvald/terrarum/virtualcomputer/peripheral/PeripheralInternet.kt

@@ -17,6 +17,8 @@ import java.net.URL
 internal class PeripheralInternet(val host: TerrarumComputer)
 : Peripheral("internet"){
 
+    override val memSize = 1024
+
     override fun loadLib(globals: Globals) {
         globals["internet"] = LuaTable()
         globals["internet"]["fetch"] = FetchWebPage()

src/net/torvald/terrarum/virtualcomputer/peripheral/PeripheralPSG.kt

@@ -14,6 +14,8 @@ import org.luaj.vm2.LuaValue
 internal class PeripheralPSG(val host: TerrarumComputer)
 : Peripheral("psg") {
 
+    override val memSize = 1024
+
     override fun loadLib(globals: Globals) {
         globals["psg"] = LuaTable()
     }

src/net/torvald/terrarum/virtualcomputer/peripheral/PeripheralVideoCard.kt

@@ -83,6 +83,11 @@ class PeripheralVideoCard(val host: TerrarumComputer, val termW: Int = 80, val t
     val cursorSprite = ImageBuffer(blockW, blockH * 2)
     val cursorImage: Image
 
+
+    override val memSize = 256 * 8 + (width * height * 2) + spritesCount * 16 * 7
+    // fontRom + framebuffers + sprites
+
+
     init {
         Arrays.fill(cursorSprite.rgba, 0xFF.toByte())
         cursorImage = cursorSprite.image