


 xxx xxx  LoadAlpha  handle  inifile  imagefile
            Load and setup an alphabet.
            handle    - alphabet handle
            inifile   - misc parameters for the alphabet
            imagefile - PCX/PCY image holding the characters

 xxx xxx  FreeAlpha  handle
            Free alphabet.
            handle    - alphabet handle

 ep er    DisplayText  sp sr  disp func sol mask x y dx dy  ah string
            Display a textstring or textfile, with or without scrolling.
            sp,sr - start pos,row  Start displaying text (can be xxx,xxx)
            ep,er - end pos,row  Stop displaying text (can be xxx,xxx)
            disp  - PRE or POST
            func  - pre or postdrawing function number
            sol   - SOLID, MIX or ADD
            mask  - nonzero if masking
            x,y   - position on screen in pixels
            dx,dy - pixels per second to scroll (can be negative)
            ah    - alphabet handle
            str   - textstring "Hello world!"
                    @textfile can be used instead.

 xxx xxx  FreeTexts
            Frees all texts initialized with DisplayText
