Free Hero Mesh

Differences From Artifact [ff5a0f1f93]:

• File instruc — part of check-in [1114ae75d5] at 2022-10-05 23:26:45 on branch trunk — Implement LastR, NextR, ThisR; this is not tested and not fully complete; it will be used in future to implement replacing objects with new ones in COLLIDE and COLLIDEBY messages. (user: user, size: 3644) [annotate] [blame] [check-ins using]

To Artifact [2fda304d27]:

• File instruc — part of check-in [41eca04785] at 2023-08-04 23:03:10 on branch trunk — Implement ,if ,while ,until instructions (conditions with keeping the value in the stack if it is nonzero) (user: user, size: 3647) [annotate] [blame] [check-ins using]

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tuck
rot
rotback "-rot"
pick
over

; Flow controls
-if
-,if
-else
-then
-begin
-again
-until
-while
-,until
-,while
-repeat
-for
-next
*goto
*CallSub
ret
retnz