WHEELSIZE
: &(cc)->cc_wheel[MASKWHEEL(1, (abs)) + WHEELSIZE] \
? &(cc)->cc_wheel[MASKWHEEL(2, (abs)) + 2*WHEELSIZE] \
: &(cc)->cc_wheel[MASKWHEEL(3, (abs)) + 3*WHEELSIZE])
&(cc)->cc_wheel[MASKWHEEL((wheel), (time)) + (wheel)*WHEELSIZE])
b = -WHEELSIZE;
c->c_time - cc->cc_ticks, b / WHEELSIZE, b,