diff --git a/src/main/kotlin/net/shadowfacts/phycon/network/block/terminal/TerminalContainer.kt b/src/main/kotlin/net/shadowfacts/phycon/network/block/terminal/TerminalContainer.kt
index 43dbd69..0407235 100644
--- a/src/main/kotlin/net/shadowfacts/phycon/network/block/terminal/TerminalContainer.kt
+++ b/src/main/kotlin/net/shadowfacts/phycon/network/block/terminal/TerminalContainer.kt
@@ -8,6 +8,7 @@ import net.minecraft.entity.player.PlayerInventory
 import net.minecraft.item.ItemStack
 import net.minecraft.util.Identifier
 import net.shadowfacts.phycon.PhysicalConnectivity
+import kotlin.math.ceil
 import kotlin.math.min
 
 /**
@@ -57,16 +58,25 @@ class TerminalContainer(syncId: Int, playerInv: PlayerInventory, val terminal: T
 	}
 
 	override fun onSlotClick(slotId: Int, clickData: Int, actionType: SlotActionType, player: PlayerEntity): ItemStack {
-		if (actionType == SlotActionType.QUICK_MOVE) {
-			if (slotId < 54) {
-				// the slot clicked was one of the network stacks
-				val slot = slotList[slotId]
+		if (slotId in 0 until 54) {
+			// the slot clicked was one of the network stacks
+			if (actionType == SlotActionType.QUICK_MOVE) {
 				val stack = slotList[slotId].stack
 				if (!stack.isEmpty && !player.world.isClient) {
 					terminal.requestItem(stack, min(stack.count, stack.maxCount))
 				}
-				return ItemStack.EMPTY
+			} else if (actionType == SlotActionType.PICKUP && clickData == 1) {
+				if (clickData == 1) {
+					// right click, request half stack
+					val stack = slotList[slotId].stack
+					if (!stack.isEmpty && !player.world.isClient) {
+						terminal.requestItem(stack, ceil(min(stack.count, stack.maxCount) / 2f).toInt())
+					}
+				} else {
+					// todo: left click, show amount dialog
+				}
 			}
+			return ItemStack.EMPTY
 		}
 		return super.onSlotClick(slotId, clickData, actionType, player)
 	}