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UNIT NAME: CRT
DECLARATION: USES CRT;
REMARKS: The CRT unit provides a set of routines for controlling
the display mode, colors, windows, sound, and the keyboard.
The procedures and functions of the CRT unit can only be
used on true IBM PCs, ATs, PS/2s and true compatibles.
VARIABLES
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CheckBreak Enable/Disable Ctrl-Break checking in DOS
CheckEof Enable/Disable End-Of-File Character
CheckSnow Enables/Disables snow checking when storing
characters directly into video memory.
DirectVideo Enables/Disables direct video memory writes
LastMode Saves current mode when TextMode is called
TextAttr Sets the current Text color attributes
WindMin Stores minimum coordinates of current window
WindMax Stores maximum coordinates of current window
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