[Overview][Constants][Types][Procedures and functions][Variables][Index] Reference for unit 'Crt' (#rtl)

Reference for unit 'Crt'

CRT - Turbo Pascal screen and keyboard handling unit

Overview

This chapter describes the CRT unit for Free Pascal, both under dos linux and Windows. The unit was first written for dos by Florian klaempfl. The unit was ported to linux by Mark May and enhanced by Michael Van Canneyt and Peter Vreman. It works on the linux console, and in xterm and rxvt windows under X-Windows. The functionality for both is the same, except that under linux the use of an early implementation (versions 0.9.1 and earlier of the compiler) the crt unit automatically cleared the screen at program startup.

There are some caveats when using the CRT unit:

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