U-BASIC=======This is the ordinary Atari BASIC rev. C, just recompiled and rearranged so that it now resides under the OS ROM. Therefore it gives you about 8k RAM more for your programs.The side effect is that it no longer works on 400/800 machines, as they are not equipped with any RAM past the first 48k. So, XL and XE only. Also, the U-BASIC will not work if the RAM shadowing the ROM is occupied by something (SpartaDOS X on 64k machines, SpartaDOS 3 on all machines).Additionally, the U-BASIC uses the Fast FP package from Charles Marslett, which makes it noticeably faster than the standard one.Have funKMK/DLTWarszawa, 20 VII 2015.