Calculate the following:
(S R) = XX(1 0)
(A P) = A * ALP1
where ALP1 is the magnitude of the current roll angle alpha, in the range
0-31.
.MLS2LDXXX; Set (S R) = XX(1 0), starting with the low bytesSTXRLDXXX+1; And then doing the high bytesSTXS; Fall through into MLS1 to calculate (A P) = A * ALP1