diff --git a/assets/disk0/tvdos/bin/playtev.js b/assets/disk0/tvdos/bin/playtev.js
index 2dbef22..d28671f 100644
--- a/assets/disk0/tvdos/bin/playtev.js
+++ b/assets/disk0/tvdos/bin/playtev.js
@@ -399,10 +399,10 @@ serial.println(`  Resolution: ${width}x${height}, ${isInterlaced ? "interlaced"
 
 
 // DEBUG interlace raw output
-if (isInterlaced) {
-    height = height >> 1
-    isInterlaced = false
-}
+//if (isInterlaced) {
+//    height = height >> 1
+//    isInterlaced = false
+//}
 // END OF DEBUG
 
 
@@ -573,7 +573,7 @@ try {
                 // Hardware-accelerated TEV decoding to RGB buffers (YCoCg-R or XYB based on version)
                 try {
                     let decodeStart = sys.nanoTime()
-                    graphics.tevDecode(blockDataPtr, CURRENT_RGB_ADDR, PREV_RGB_ADDR, width, height, [qualityY, qualityCo, qualityCg], debugMotionVectors, version, isInterlaced)
+                    graphics.tevDecode(blockDataPtr, CURRENT_RGB_ADDR, PREV_RGB_ADDR, width, height, [qualityY, qualityCo, qualityCg], frameCount, debugMotionVectors, version, isInterlaced)
                     decodeTime = (sys.nanoTime() - decodeStart) / 1000000.0  // Convert to milliseconds
 
                     // Upload RGB buffer to display framebuffer with dithering
diff --git a/tsvm_core/src/net/torvald/tsvm/GraphicsJSR223Delegate.kt b/tsvm_core/src/net/torvald/tsvm/GraphicsJSR223Delegate.kt
index 2f44ed5..d05b3d2 100644
--- a/tsvm_core/src/net/torvald/tsvm/GraphicsJSR223Delegate.kt
+++ b/tsvm_core/src/net/torvald/tsvm/GraphicsJSR223Delegate.kt
@@ -1526,6 +1526,7 @@ class GraphicsJSR223Delegate(private val vm: VM) {
     fun yadifDeinterlace(fieldRGBAddr: Long, outputRGBAddr: Long, width: Int, height: Int, 
                         prevFieldAddr: Long, nextFieldAddr: Long, fieldParity: Int, 
                         fieldIncVec: Int, outputIncVec: Int) {
+
         val fieldHeight = height / 2
         
         for (y in 0 until fieldHeight) {
@@ -1796,8 +1797,8 @@ class GraphicsJSR223Delegate(private val vm: VM) {
      * @param frameCounter Frame counter for temporal patterns
      */
     fun tevDecode(blockDataPtr: Long, currentRGBAddr: Long, prevRGBAddr: Long,
-                  width: Int, height: Int, qualityIndices: IntArray, debugMotionVectors: Boolean = false,
-                  tevVersion: Int = 2, isInterlaced: Boolean = false) {
+                  width: Int, height: Int, qualityIndices: IntArray, frameCounter: Int,
+                  debugMotionVectors: Boolean = false, tevVersion: Int = 2, isInterlaced: Boolean = false) {
 
         // height doesn't change when interlaced, because that's the encoder's output
 
@@ -2191,7 +2192,7 @@ class GraphicsJSR223Delegate(private val vm: VM) {
         }
         
         // Apply Yadif deinterlacing if this is an interlaced frame
-        /*if (isInterlaced) {
+        if (isInterlaced) {
             // Decode produced a field at half-height, now deinterlace to full progressive frame
             val tempFieldBuffer = vm.malloc(width * decodingHeight * 3)
             
@@ -2202,12 +2203,12 @@ class GraphicsJSR223Delegate(private val vm: VM) {
             yadifDeinterlace(
                 tempFieldBuffer.toLong(), currentRGBAddr, width, height,
                 prevRGBAddr, prevRGBAddr, // TODO: Implement proper temporal prediction
-                0, // Field parity (0=even field first)
+                frameCounter % 2, // Field parity (0=even field first)
                 thisAddrIncVec, thisAddrIncVec
             )
             
             vm.free(tempFieldBuffer.toInt())
-        }*/
+        }
     }