Hah - s/he's complaining about "slow" being 2-7 seconds...
...I remember back when I was in high school making a generator for this in BASIC on an Apple IIe, running 16 colors in the "double high res mode" (needed the 80-column card for it - only machine that had it) - and having it run for hours just to generate one image.
...I remember back when I was in high school making a generator for this in BASIC on an Apple IIe, running 16 colors in the "double high res mode" (needed the 80-column card for it - only machine that had it) - and having it run for hours just to generate one image.
Slow...sigh.