| 1 | \ #! /usr/stud/paysan/bin/forth |
| 2 | |
| 3 | DECIMAL |
| 4 | \ : SECS TIME&DATE SWAP 60 * + SWAP 3600 * + NIP NIP NIP ; |
| 5 | CREATE FLAGS 8190 ALLOT |
| 6 | variable eflag |
| 7 | \ FLAGS 8190 + CONSTANT EFLAG |
| 8 | |
| 9 | \ use secondary fill like pForth !!! |
| 10 | : FILL { caddr num charval -- } |
| 11 | num 0 |
| 12 | ?DO |
| 13 | charval caddr i + c! |
| 14 | LOOP |
| 15 | ; |
| 16 | |
| 17 | : PRIMES ( -- n ) FLAGS 8190 1 FILL 0 3 EFLAG @ FLAGS |
| 18 | DO I C@ |
| 19 | IF DUP I + DUP EFLAG @ < |
| 20 | IF EFLAG @ SWAP |
| 21 | DO 0 I C! DUP +LOOP |
| 22 | ELSE DROP THEN SWAP 1+ SWAP |
| 23 | THEN 2 + |
| 24 | LOOP DROP ; |
| 25 | |
| 26 | : BENCHMARK 0 100 0 DO PRIMES NIP LOOP ; \ !!! ONLY 100 |
| 27 | \ SECS BENCHMARK . SECS SWAP - CR . .( secs) |
| 28 | : main |
| 29 | flags 8190 + eflag ! |
| 30 | benchmark ( . ) drop |
| 31 | ; |