hBasic Manual for v2.81
hBasic is a Basic Interpreter primarily based on Rfo-Basic 01.91 (De Re Basic) for Android originally by Paul Laughton.
The original Rfo-Basic 01.91 reference manual can be found on github.
(a later version might be found on the original site)
hBasic v2.80 is available on the laughton server.
Source files in 'source' dir
Manual in 'hmanual' dir on the laughton server or here.
Changes in hbasic.changelog.txt
This manual details the differences between Rfo-Basic 01.91 and hBasic.