fix gpu + update openos

data/OpenOS/lib/core/boot.lua

@@ -1,7 +1,7 @@
 -- called from /init.lua
 local raw_loadfile = ...
 
-_G._OSVERSION = "OpenOS 1.8.8"
+_G._OSVERSION = "OpenOS 1.8.9"
 
 -- luacheck: globals component computer unicode _OSVERSION
 local component = component
@@ -73,7 +73,12 @@ local function dofile(file)
   status("> " .. file)
   local program, reason = raw_loadfile(file)
   if program then
-    return program()
+    local result = table.pack(pcall(program))
+    if result[1] then
+      return table.unpack(result, 2, result.n)
+    else
+      error(result[2])
+    end
   else
     error(reason)
   end
@@ -139,12 +144,6 @@ end
 
 status("Initializing system...")
 
-require("event").listen("component_added", debugprint)
-require("event").listen("component_available", debugprint)
-require("event").listen("term_available", debugprint)
-
 computer.pushSignal("init") -- so libs know components are initialized.
 require("event").pull(1, "init") -- Allow init processing.
-
-require("tty").bind(component.gpu)
 _G.runlevel = 1

data/OpenOS/lib/core/cursor.lua

@@ -1,14 +1,8 @@
-debugprint("loading cursor")
 local unicode = require("unicode")
-debugprint("loaded unicode")
 local kb = require("keyboard")
-debugprint("loaded keyboard")
 local tty = require("tty")
-debugprint("loaded tty")
 local text = require("text")
-debugprint("loaded text")
 local computer = require("computer")
-debugprint("loaded computer")
 local keys = kb.keys
 
 local core_cursor = {}

data/OpenOS/lib/event.lua

@@ -143,7 +143,7 @@ function event.pullFiltered(...)
   local deadline = computer.uptime() + (seconds or math.huge)
   repeat
     local waitTime = deadline - computer.uptime()
-    if waitTime <= 0 then
+    if waitTime < 0 then
       break
     end
     local signal = table.pack(computer.pullSignal(waitTime))

data/OpenOS/lib/tty.lua

@@ -221,7 +221,7 @@ function tty.keyboard()
     -- changes to this design should avoid this on every key hit
 
     -- this is expensive (slow!)
-    window.keyboard = assert(component.invoke(screen, "getKeyboards"))[1] or system_keyboard
+    window.keyboard = component.invoke(screen, "getKeyboards")[1] or system_keyboard
   end
 
   return window.keyboard