fixes for potential runtimes.

code/WorkInProgress/computer3/NTOS.dm

@@ -25,16 +25,16 @@
 		i++
 		if(i==1)
 			dat += "<tr>"
-		if(i>= 7)
+		if(i>= 6)
 			i = 0
 			dat += "</tr>"
 			continue
 		dat += {"
 		<td>
-			<a href='?src=\ref[src];[fileop]=\ref[F]'>
+			<center><a href='?src=\ref[src];[fileop]=\ref[F]'>
 				<img src=\ref[F.image]><br>
 				<span>[F.name]</span>
-			</a>
+			</a></center>
 		</td>"}
 
 	dat += "</tr></table>"
@@ -53,7 +53,7 @@
 		i++
 		if(i==1)
 			dat += "<tr>"
-		if(i>= 8)
+		if(i>= 6)
 			i = 0
 			dat += "</tr>"
 			continue

code/WorkInProgress/computer3/computers/medical.dm

@@ -41,6 +41,9 @@
 		return 0
 
 	interact()
+		if(!computer.cardslot)
+			computer.Crash(MISSING_PERIPHERAL)
+			return
 		usr.set_machine(src)
 		scan = computer.cardslot.reader
 		if(!interactable())

code/WorkInProgress/computer3/computers/prisoner.dm

@@ -5,7 +5,7 @@
 	icon_state = "frame-sec"
 
 /datum/file/program/prisoner
-	name = "Prisoner Management Comsole"
+	name = "Prisoner Management Console"
 	active_state = "explosive"
 	req_access = list(access_armory)
 

code/WorkInProgress/computer3/computers/security.dm

@@ -44,10 +44,14 @@
 		return 0
 
 	interact()
+		if(!computer.cardslot)
+			computer.Crash(MISSING_PERIPHERAL)
+			return
 		usr.set_machine(src)
 		scan = computer.cardslot.reader
 		if(!interactable())
 			return
+			return
 		if (computer.z > 6)
 			usr << "\red <b>Unable to establish a connection</b>: \black You're too far away from the station!"
 			return

code/WorkInProgress/computer3/program.dm

@@ -349,20 +349,20 @@ Programs are a file that can be executed
 	active_state = "computer_generic"
 	volume = 520
 
-/datum/file/program/PowerMonitor
+/datum/file/program/powermon
 	name = "Power Grid"
 	image = 'icons/ntos/power.png'
 	active_state = "power"
 	volume = 7200
 
-/datum/file/program/PrisonerManagement
+/datum/file/program/prisoner
 	name = "Prisoner Control"
 	image = 'icons/ntos/prison.png'
 	drm = 1
 	active_state = "power"
 	volume = 5000
 
-/datum/file/program/Roboticscontrol
+/datum/file/program/borg_control
 	name = "Cyborg Maint"
 	image = 'icons/ntos/borgcontrol.png'
 	active_state = "robot"