Crt Unit Procedures and Functions
Proc Clears all the characters from the cursor
position to the end of the line.
Proc Clears the screen and returns the cursor to the
upper left corner.
Proc Delays a specifed number of milliseconds.
Proc Deletes the line containing the cursor.
Proc Moves the cursor to the given coordinates within
the virtual screen.
Proc Selects high-intensity characters.
Proc Inserts an empty line at the cursor position.
Func Determines if a key has been pressed on the
Proc Selects low-intensity characters.
Proc Selects the original text attribute read from
the cursor location at startup.
Proc Turns off the computer's internal speaker.
Func Reads a character from the keyboard.
Proc Starts the internal speaker.
Proc Selects the background color.
Proc Selects the foreground character color.
Proc Selects a specific text mode.
Func Returns the X coordinate of the current cursor
Func Returns the Y coordinate of the current cursor
Proc Defines a text window on the screen.