Kas and Tom Ear commands for BS2
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KEY_POWER  BS2cmnd =5   5=Halt
KEY_UP     BS2cmnd =1  
KEY_DOWN   BS2cmnd =2  
KEY_RIGHT  BS2cmnd =3  
KEY_LEFT   BS2cmnd =4  
KEY_0      BS2cmnd =9  
KEY_MINUS  BS2cmnd =22  StbOn   CON 22
KEY_XCROSS BS2cmnd =$2A dump BSe Acts in decimal

KEY_9 - behavior, then
  KEY_1    be slow     BS2cmnd =$22  param =$11  GOSUB tellBS2  '42=s  $rp =$11  speed
  KEY_2    be medium   BS2cmnd =$22  param =$33  GOSUB tellBS2  '42=s  $rp =$33  speed
  KEY_3    be fast     BS2cmnd =$22  param =$55  GOSUB tellBS2  '42=s  $rp =$55  speed
  KEY_4    be UStimid  BS2cmnd =$1B  GOSUB tellBS2  'be UStimid
  KEY_5    be USnormal BS2cmnd =$1C  GOSUB tellBS2  'be USnormal
  KEY_6    be USbold   BS2cmnd =$1D  GOSUB tellBS2  'be USbold
  KEY_UP   be faster   BS2cmnd =$10  GOSUB tellBS2  'Su=$10 'increase speed(+1)  MAX potspeed
  KEY_DOWN be slower   BS2cmnd =$11  GOSUB tellBS2  'Sd=$11 'reduce speed(/2)    MIN minpacespeed
  KEY_MINUS   CASE 38  BS2cmnd =$13  GOSUB tellBS2  'StbOff=98-60  [9][-]=disable foot test

KEY_VCROSS = 37    '[f+] BS2Do   CASE >=shiftDo60
  BS2cmnd =$2F  GOSUB tellBS2  ;$2F =>c, jump TO Act number in NEXT Byte