/MAN VEHICLE CONTROL LABORATORY /MASSACHUSETTS INSTITUTE OF TECHNOLOGY /CAMBRIDGE, MASSACHUSETTS / /IMPROVEMENT TO DIGITAL - 8 - 9 - F SQUARE ROOT / /TIME=27+N(22.5) MICROSECONDS, A 12% SAVINGS /IMPROVED ROUTINE IS 20 WORDS LONG, A SAVINGS OF 3 WORDS / DCA SQR1 DCA ROOT CLA CMA CLL CML /SET AC=-1,SET LK =1 SQX, DCA SQRD TAD SQR1 TAD SQRD SZL /LINK IS COMPLEMENTED JMP SQRF ISZ ROOT DCA SQR1 CLL CMA RAL /SET AC=-2,LK WILL BE SET AFTER ADD TAD SQRD JMP SQX SQRF, CLA TAD ROOT JMP I SQRT SQR1, 0 SQRD, 0 ROOT, 0 $