Ports over Timer Subsystem

code/game/objects/items/devices/flash.dm

@@ -208,7 +208,7 @@
 		to_chat(I.owner, "<span class='warning'>Your photon projector implant overheats and deactivates!</span>")
 		I.Retract()
 	overheat = FALSE
-	addtimer(src, "cooldown", flashcd * 2)
+	addtimer(CALLBACK(src, .proc/cooldown), flashcd * 2)
 
 /obj/item/flash/armimplant/try_use_flash(mob/user = null)
 	if(overheat)
@@ -216,7 +216,7 @@
 			to_chat(I.owner, "<span class='warning'>Your photon projector is running too hot to be used again so quickly!</span>")
 		return FALSE
 	overheat = TRUE
-	addtimer(src, "cooldown", flashcd)
+	addtimer(CALLBACK(src, .proc/cooldown), flashcd)
 	playsound(src.loc, 'sound/weapons/flash.ogg', 100, 1)
 	update_icon(1)
 	return TRUE

code/game/objects/items/devices/radio/radio.dm

@@ -270,7 +270,7 @@ var/global/list/default_medbay_channels = list(
 	universal_speak = 1
 
 /mob/living/automatedannouncer/New()
-	lifetime_timer = addtimer(src, "autocleanup", SecondsToTicks(10))
+	lifetime_timer = addtimer(CALLBACK(src, .proc/autocleanup), SecondsToTicks(10), TIMER_STOPPABLE)
 	..()
 
 /mob/living/automatedannouncer/Destroy()
@@ -619,7 +619,7 @@ var/global/list/default_medbay_channels = list(
 /obj/item/radio/emp_act(severity)
 	on = 0
 	disable_timer++
-	addtimer(src, "enable_radio", rand(100, 200))
+	addtimer(CALLBACK(src, .proc/enable_radio), rand(100, 200))
 
 	if(listening)
 		visible_message("<span class='warning'>[src] buzzes violently!</span>")