diff --git a/ModuleComputers/lib/TerrarumTSVM.jar b/ModuleComputers/lib/TerrarumTSVM.jar
index 1481ac707..5c0bd286d 100644
Binary files a/ModuleComputers/lib/TerrarumTSVM.jar and b/ModuleComputers/lib/TerrarumTSVM.jar differ
diff --git a/ModuleComputers/src/net/torvald/terrarum/modulecomputers/gameitems/ItemWearableWorldRadar.kt b/ModuleComputers/src/net/torvald/terrarum/modulecomputers/gameitems/ItemWearableWorldRadar.kt
index 2bfa77b49..7fd79e77d 100644
--- a/ModuleComputers/src/net/torvald/terrarum/modulecomputers/gameitems/ItemWearableWorldRadar.kt
+++ b/ModuleComputers/src/net/torvald/terrarum/modulecomputers/gameitems/ItemWearableWorldRadar.kt
@@ -43,7 +43,7 @@ class ItemWearableWorldRadar(originalID: String) : GameItem(originalID) {
     override var baseToolSize: Double? = baseMass
 
 
-    private val vm = VM(32768, TheRealWorld(), arrayOf(
+    private val vm = VM(73728, TheRealWorld(), arrayOf(
             VMProgramRom(ModMgr.getPath("dwarventech", "bios/pipboot.rom")),
             VMProgramRom(ModMgr.getPath("dwarventech", "bios/pipcode.bas"))
     ))
@@ -59,6 +59,7 @@ class ItemWearableWorldRadar(originalID: String) : GameItem(originalID) {
             ExtDisp(vm, 160, 140), 32768, 1, 0
         )
 
+        // MMIO stops working when somethingStream is not defined
         vm.getPrintStream = { System.out }
         vm.getErrorStream = { System.err }
         vm.getInputStream = { System.`in` }
@@ -100,7 +101,7 @@ class WearableWorldRadarUI(val device: VM) : UICanvas() {
         batch.end()
 
         batch.color = Color.WHITE
-        (device.peripheralTable[1].peripheral as? ExtDisp)?.render(batch, posX.toFloat(), posY.toFloat())
+        (device.peripheralTable[1].peripheral as? ExtDisp)?.render(batch, posX.toFloat(), posY.toFloat(), true)
 
         batch.begin()
         batch.color = Toolkit.Theme.COL_INACTIVE
diff --git a/ModuleComputers/src/net/torvald/terrarum/modulecomputers/tsvmperipheral/WorldRadar.kt b/ModuleComputers/src/net/torvald/terrarum/modulecomputers/tsvmperipheral/WorldRadar.kt
index 01e084a7b..52e5e8456 100644
--- a/ModuleComputers/src/net/torvald/terrarum/modulecomputers/tsvmperipheral/WorldRadar.kt
+++ b/ModuleComputers/src/net/torvald/terrarum/modulecomputers/tsvmperipheral/WorldRadar.kt
@@ -1,6 +1,5 @@
 package net.torvald.terrarum.modulecomputers.tsvmperipheral
 
-import net.torvald.terrarum.IngameInstance
 import net.torvald.terrarum.Point2i
 import net.torvald.terrarum.Terrarum
 import net.torvald.terrarum.blockproperties.Block
@@ -15,8 +14,8 @@ import java.io.ByteArrayOutputStream
  */
 class WorldRadar : BlockTransferInterface(false, true) {
 
-    private val W = 162
-    private val H = 142
+    private val W = 160
+    private val H = 140
 
     private val AIR_OUT = 0.toByte()
     private val GRASS_OUT = 2.toByte()
@@ -96,22 +95,26 @@ class WorldRadar : BlockTransferInterface(false, true) {
                 val px = it.intTilewiseHitbox.canonicalX.toInt()
                 val py = it.intTilewiseHitbox.canonicalY.toInt()
 
-                for (y in 1..H - 2) {
-                    for (x in 1..W - 2) {
-                        val yx = (y - 1).shl(8) or x
-                        val nearby = getNearbyTilesPos(px, py).map { ingame.world.getTileFromTerrain(it.x, it.y) } // up, left, right, down
-                        val block = ingame.world.getTileFromTerrain(px, py)
+                for (yy in 1..H) {
+                    for (xx in 1..W) {
+                        val tx = px - (W/2) + xx
+                        val ty = py - (H/2) + yy
+
+                        val yx = (yy - 1).shl(8) or xx
+                        val nearby = getNearbyTilesPos(tx, ty).map { ingame.world.getTileFromTerrain(it.x, it.y) } // up, left, right, down
+                        val block = ingame.world.getTileFromTerrain(tx, ty)
                         val blockprop = Terrarum.blockCodex[block]
 
                         if (blockprop.isSolid) {
                             // TODO create extension function nearby.contains { predicate :: ItemID -> Boolean }
-                            if (blockprop.material == "GRSS" && nearby.contains(Block.AIR)) {
+                            // for some reason I can't use material?
+                            if (block == Block.GRASS && nearby.contains(Block.AIR)) {
                                 cmdbuf[yx] = GRASS_OUT
                             }
-                            else if (blockprop.material == "DIRT" && nearby.contains(Block.AIR)) {
+                            else if (block == Block.DIRT && nearby.contains(Block.AIR)) {
                                 cmdbuf[yx] = DIRT_OUT
                             }
-                            else if (blockprop.material == "ROCK" && (nearby.contains(Block.AIR) || nearby.contains(Block.GRASS) || nearby.contains(Block.DIRT))) {
+                            else if (block == Block.STONE && (nearby.contains(Block.AIR) || nearby.contains(Block.GRASS) || nearby.contains(Block.DIRT))) {
                                 cmdbuf[yx] = STONE_OUT
                             }
                         }
diff --git a/assets/mods/dwarventech/ModuleComputers.jar b/assets/mods/dwarventech/ModuleComputers.jar
index 0cd477be0..b98009d68 100644
Binary files a/assets/mods/dwarventech/ModuleComputers.jar and b/assets/mods/dwarventech/ModuleComputers.jar differ
diff --git a/assets/mods/dwarventech/bios/pipcode.bas b/assets/mods/dwarventech/bios/pipcode.bas
index 11161cc38..24550134f 100644
--- a/assets/mods/dwarventech/bios/pipcode.bas
+++ b/assets/mods/dwarventech/bios/pipcode.bas
@@ -2,7 +2,7 @@
 20 s=cput(1,"POLL")
 30 if s><0 then goto 900
 40 l=cget(1,0)
-41 print("length: "+l+", pixels: "+l/3)
+41 REM print("length: "+l+", pixels: "+l/3)
 50 for i=0 to l-1 step 3
 60 m=peek(i)*160+peek(i+1)
 62 p=peek(i+2)
@@ -11,3 +11,4 @@
 80 REM poke(-1070977,0)
 90 goto 20
 900 print("Polling failed: "+s)
+910 goto 10