diff --git a/assets/disk0/tvdos/bin/less.js b/assets/disk0/tvdos/bin/less.js
index 6375288..e92e04d 100644
--- a/assets/disk0/tvdos/bin/less.js
+++ b/assets/disk0/tvdos/bin/less.js
@@ -79,8 +79,9 @@ let repaint = function() {
         if (cy <= termH) {
             if (cx >= 0 && cx < termW) {
                 con.move(cy, cx);
-                if (char != 10 && char != 13)
+                if (char != 10 && char != 13) {
                     con.addch(char);con.curs_right();
+                }
             }
             cx += 1;
         }
diff --git a/tsvm_core/src/net/torvald/tsvm/peripheral/TevdDiskDrive.kt b/tsvm_core/src/net/torvald/tsvm/peripheral/TevdDiskDrive.kt
index a557472..0aa4310 100644
--- a/tsvm_core/src/net/torvald/tsvm/peripheral/TevdDiskDrive.kt
+++ b/tsvm_core/src/net/torvald/tsvm/peripheral/TevdDiskDrive.kt
@@ -155,7 +155,7 @@ class TevdDiskDrive(private val vm: VM, private val driveNum: Int, theTevdPath:
                     file.pwrite(writeBuffer, 0, writeBuffer.size, filesize)
                 }
                 else if (writeMode)
-                    file.writeBytes(writeBuffer)
+                    file.overwrite(writeBuffer)
 
                 writeMode = false
                 appendMode = false
@@ -167,9 +167,10 @@ class TevdDiskDrive(private val vm: VM, private val driveNum: Int, theTevdPath:
             val inputData = if (inputData.size != BLOCK_SIZE) ByteArray(BLOCK_SIZE) { if (it < inputData.size) inputData[it] else 0 }
             else inputData
 
-            file.writeBytes(inputData)
+            DOM.writeBoot(inputData)
 
             fileOpenMode = -1
+            fileOpen = false
         }
         else {
             val inputString = inputData.trimNull().toString(VM.CHARSET)
diff --git a/tsvm_executable/src/net/torvald/tsvm/TevdMenu.kt b/tsvm_executable/src/net/torvald/tsvm/TevdMenu.kt
index 13d33d0..344ccf9 100644
--- a/tsvm_executable/src/net/torvald/tsvm/TevdMenu.kt
+++ b/tsvm_executable/src/net/torvald/tsvm/TevdMenu.kt
@@ -7,6 +7,7 @@ import net.torvald.reflection.forceInvoke
 import net.torvald.terrarum.modulecomputers.virtualcomputer.tvd.DiskSkimmer.Companion.read
 import net.torvald.terrarum.modulecomputers.virtualcomputer.tvd.archivers.ClusteredFormatDOM
 import net.torvald.terrarum.modulecomputers.virtualcomputer.tvd.archivers.seekToCluster
+import net.torvald.terrarum.modulecomputers.virtualcomputer.tvd.toHex
 import net.torvald.terrarum.modulecomputers.virtualcomputer.tvd.toUint
 import net.torvald.tsvm.VMEmuExecutableWrapper.Companion.FONT
 import net.torvald.tsvm.peripheral.TevdDiskDrive
@@ -24,6 +25,15 @@ class TevdMenu(parent: VMEmuExecutable, x: Int, y: Int, w: Int, h: Int) : EmuMen
     }
 
     override fun hide() {
+
+        val dev = parent.currentlyPersistentVM?.vm?.getIO()?.blockTransferPorts?.getOrNull(cardIndex ?: -1)?.recipient
+        if (dev?.javaClass?.simpleName == "TevdDiskDrive") {
+            val dev = dev as TevdDiskDrive
+            val DOM = dev.extortField<ClusteredFormatDOM>("DOM")!!
+
+            DOM.forceInvoke<Unit>("bbbb", arrayOf("false"))
+        }
+
     }
 
     override fun update() {
@@ -57,6 +67,8 @@ class TevdMenu(parent: VMEmuExecutable, x: Int, y: Int, w: Int, h: Int) : EmuMen
             val DOM = dev.extortField<ClusteredFormatDOM>("DOM")!!
             val ARCHIVE = DOM.extortField<RandomAccessFile>("ARCHIVE")!!
 
+            DOM.forceInvoke<Unit>("bbbb", arrayOf("true"))
+
             setupHook(dev, batch)
 
             batch.inUse {