kOS Script for proofing

CLEARSCREEN.
SET state TO "On Pad".
//Data that can be seen
PRINT"DATA SCREEN" AT (0,16).
PRINT"MISSION TIME: "+MISSIONTIME AT (0, 17).
PRINT"STATUS: "+state AT (0, 18).
PRINT"ALTITUDE: "+SHIP:ALTITUDE AT (0, 19).
PRINT"HEADING: "+SHIP:HEADING AT (0, 20).
PRINT"STAGE: "+STAGE:NUMBER AT (0, 21).
PRINT"VELOCITY: "+VELOCITY AT (0, 22).
PRINT"ACCELERATION: "+VESSELSENSORS:ACC AT (0, 23).
PRINT"CURRENT ENGINE THRUST: "+(THROTTLE/SHIP:MAXTHRUST) AT (0,24).
PRINT"APOAPSIS: "+APOAPSIS. AT (0,24).
//Countdown Sequence
IF countdown = 2 THEN {SET state TO "IGNITING MAIN ENGINES".STAGE.PRESERVE.}.
FROM {local countdown is 10.} UNTIL countdown = 0 STEP {SET countdown to countdown - 1.} DO {
    WAIT 1. // pauses the script here for 1 second.
    SET state TO ("COUNTDOWN - " + countdown).
}.
//Launch and gravity turn
SET MYSTEER TO HEADING(90, 90).
LOCK HEADING TO MYSTEER.
SET state TO ("LAUNCHED").
STAGE.
WHEN APOAPSIS < 80000 THEN {
  SET MYSTEER TO HEADING(90,90).
  WHEN ALTITUDE > 15000 THEN {
    SET MYSTEER TO HEADING(90,85).
  }.
  WHEN ALTITUDE > 20000 THEN {
    SET MYSTEER TO HEADING(90,80).
  }.
  WHEN ALTITUDE > 25000 THEN {
    SET MYSTEER TO HEADING(90,75).
  }.
  WHEN ALTITUDE > 30000 THEN {
    SET MYSTEER TO HEADING(90,70).
  }.
  WHEN ALTITUDE > 35000 THEN {
    SET MYSTEER TO HEADING(90,65).
  }.
  WHEN ALTITUDE > 40000 THEN {
    SET MYSTEER TO HEADING(90,60).
  }.
  WHEN ALTITUDE > 45000 THEN {
    SET MYSTEER TO HEADING(90,55).
  }.
  WHEN ALTITUDE > 50000 THEN {
    SET MYSTEER TO HEADING(90,50).
  }.
  WHEN ALTITUDE > 55000 THEN {
    SET MYSTEER TO HEADING(90,45).
  }.
  WHEN ALTITUDE > 60000 THEN {
    SET MYSTEER TO HEADING(90,40).
  }.
}.
//Engine Cutoff
WHEN APOAPSIS > 80000 THEN {
  SET SHIP:CONTROL:PILOTMAINTHROTTLE TO 0.
  SET state TO "SUBORBITAL".
}.
//Obirting Section
WHEN ALTITUDE = (APOAPSIS-5000) THEN {
  SET MYSTEER TO (90,0).
  STAGE.
  WAIT UNTIL ALTITUDE = (APOAPSIS-100).
  LOCK THROTTLE TO 0.5.
  WAIT UNTIL PERIAPSIS = APOAPSIS.
  SET SHIP:CONTROL:PILOTMAINTHROTTLE TO 0.
}.