https://bcxbasiccoders.com/
the new 64bit bcx version download contains a fully configured IDE , a C compiler and the BCX translator. it allow you to choose 64 or 32 bit when you press F5 to compile ,

it has many functions resembling that of powerbasic such as Retain$, Remain$, Tally, there is no Parse but Split, etc , and a PowerBASIC compatible BCX macros such as:
CBHNDL - Equates to hWnd 'handle of the window.
look here
https://bcxbasiccoders.com/webhelp/BCXHelp.htm
look also https://forum.powerbasic.com/forum/u...992#post833992

i think thinbasic x64 version can be developed using this nice tool. at least a showcase a preview small version