Written by Russ Wetmore.
This is the best utility to make development on Atari, using the boot disk feature: code on the sector directly in hex, dissassemble to check code consistency and reboot to run application.
This made me dissasemble DiskWizard itself to see and correct its bugs in equates table and 6502 opcode table...
Fun, but note that valid dates end at 12/31/99! :)
Command Summary card here:
Additional info/review about this program can be found here: https://archive.org/details/STart-Magazine-Issue-39/page/n97/mode/2up?q=ultrabasic
Book is here:
It would make sense but we'd have to change hundreds and hundreds of pages manually so no thanks! In our opinion, efforts should be concentrated on the hundreds and hundreds of titles which are missing entirely and very often just rotting on old disks.