L churn

= $((0xb8000 + 1610)) to DI
= DI to B
= 32 to C
= 16 to D
+ 0x900 to A
L rechurn
	+ 0x000b0001 to A
	= A to @ DI
	+ 4 to DI
	# buncha nops here maybe
when C-1 			rechurn
+ 160 to B
= B to DI
= 32 to C
1+ A
1- D
when not zero			   rechurn	

jump 					churn 



# A florid endless loop to act very early on as a visible 
#   dummy userland 100% load. For looking, visually, for the effects of
#    periodic interrupts and so on.
