INIT
UTF8 1
WANTSTATE gm

!79th Column
PUSH "\e[75G"
PUSH "A"x5
  putglyph 0x41 1 0,74
  putglyph 0x41 1 0,75
  putglyph 0x41 1 0,76
  putglyph 0x41 1 0,77
  putglyph 0x41 1 0,78
  ?cursor = 0,79

!80th Column Phantom
PUSH "A"
  putglyph 0x41 1 0,79
  ?cursor = 0,79

!Line Wraparound
PUSH "B"
  putglyph 0x42 1 1,0
  ?cursor = 1,1

!Line Wraparound during combined write
PUSH "\e[78G"
PUSH "BBBCC"
  putglyph 0x42 1 1,77
  putglyph 0x42 1 1,78
  putglyph 0x42 1 1,79
  putglyph 0x43 1 2,0
  putglyph 0x43 1 2,1
  ?cursor = 2,2

!DEC Auto Wrap Mode
RESET
PUSH "\e[?7l"
PUSH "\e[75G"
PUSH "D"x6
  putglyph 0x44 1 0,74
  putglyph 0x44 1 0,75
  putglyph 0x44 1 0,76
  putglyph 0x44 1 0,77
  putglyph 0x44 1 0,78
  putglyph 0x44 1 0,79
  ?cursor = 0,79
PUSH "D"
  putglyph 0x44 1 0,79
  ?cursor = 0,79
PUSH "\e[?7h"

!80th column causes linefeed on wraparound
PUSH "\e[25;78HABC"
  putglyph 0x41 1 24,77
  putglyph 0x42 1 24,78
  putglyph 0x43 1 24,79
  ?cursor = 24,79
PUSH "D"
  moverect 1..25,0..80 -> 0..24,0..80
  putglyph 0x44 1 24,0

!80th column phantom linefeed phantom cancelled by explicit cursor move
PUSH "\e[25;78HABC"
  putglyph 0x41 1 24,77
  putglyph 0x42 1 24,78
  putglyph 0x43 1 24,79
  ?cursor = 24,79
PUSH "\e[25;1HD"
  putglyph 0x44 1 24,0