basic Batch ANSI animation

@echo off
:reset
Set count=0
Set delay=0
Set break=0
Set linepos=[1;!count!H
Set lowlinepos=[32;!count!H

Mode Con: cols=120 lines=33
Setlocal EnableDelayedExpansion

:main
Set /a break=%break% + 1
IF %break% GTR 399 goto end
Set /a count=%count% + 1
ECHO %linepos%ROYGBIV
ECHO %lowlinepos%^>^>^>^>^>^>^>
IF %count%==114 GOTO second
Call :delay
GOTO main
pause

:second
Set /a count=%count% - 1
Set /a break=%break% + 1
IF %break% GTR 399 goto end
ECHO %linepos%ROYGBIV
ECHO %lowlinepos%^<^<^<^<^<^<
IF %count%==0 GOTO main
Call :delay
GOTO second

:delay
Set /a delay=%delay% + 1
IF %delay%==3 Set delay=0
If %delay%==0 GOTO :EOF
GOTO delay

:end
endlocal EnableDelayedExpansion
ECHO Done
pause >nul
GOTO reset