Bonus: two extra variations! Wooooo
(ESC support, 256-colors VGA standard palette)
An IFS that I found in an old Byte magazine issue (not sure though!) with its lovely BASIC source code. i386+
(ESC support, VGA greyscale)
Displays the values of all x86 registers and dumps the PSP segment in less than 128 bytes. Useful for size coding small intros. i386+