Optimised Sprites in Gigatron TTL gtBASIC, (ROMvX0)
Fully coded in gtBASIC, it makes maximum use of the Gigatron's new instruction's and sys call's in ROMvX0.
Draws sixteen 9x10 sprites at ~10FPS in mode0, 20FPS in mode1, 30FPS in mode2 and 30FPS in mode3.
Minimises flicker as much as possible by sorting sprites using ascending Y and by adding an extra 20 lines of VBlank at the top of the screen using VIDEO_TOP.
Gigatron TTL Forums:
https://forum.gigatron.io/index.php
Source code available at:
https://github.com/at67/gigatron-rom/...
https://github.com/kervinck/gigatron-rom