(*) TIMEMACHINE
	- bug: pause
	- bug: await-ms
(>) CEU_FPS
(>) debug printfs
(>) TM: adjusts, delay=>await_, back order
(+) sim-tst
(>) TM_INPUT_*, TM_SNAP, IIOTM, ok=>ok_seek, TM_DELAY
(>) TM_SNAP_*, TM_QUEUE_*, dt=0
(-) bug TM back & ticking
(>) TM: FRAME=>REDRAW, tceu_queue_dt (less space)
(>) TM: backward tick
(-) deterministic rand
(>) TM: no _REN, etc
(>) samples
(>) Makefile: --timemachine
(>) Render macro
(-) bug: ceu_out_wclock was not called
(>) ui-tm spacing