How to play tetris in HP49G
1 - press
2D/3D
to access
PLOT SETUP
2 - press
+/-
(the key
W
) and set Type to
Fast3D
3 - type
"HpMad"
(case sensitive) and press
[OK]
Don't forget the
" "
4 - use the numbers 8 for right, 2 for left and 5 for the rotation.