( Primes: An integer greater than one is called a prime number if its only positive divisors are one and itself. ) |0100 ( -> ) @reset #0000 #0001 &loop DUP2 ,is-prime JSR #00 EQU ,&skip JCN ( print ) DUP2 ,print/short JSR ( space ) #2018 DEO &skip INC2 NEQ2k ,&loop JCN POP2 POP2 ( halt ) #010f DEO BRK @is-prime ( number* -- flag ) DUP2 #0001 EQU2 ,&fail JCN STH2k ( range ) #01 SFT2 #0002 &loop STH2kr OVR2 ( mod2 ) [ DIV2k MUL2 SUB2 ] ORA ,&continue JCN POP2 POP2 POP2r #00 JMP2r &continue INC2 GTH2k ,&loop JCN POP2 POP2 POP2r #01 JMP2r &fail POP2 #00 JMP2r @print ( short* -- ) &short ( short* -- ) SWP ,&byte JSR &byte ( byte -- ) DUP #04 SFT ,&char JSR &char ( char -- ) #0f AND DUP #09 GTH #27 MUL ADD #30 ADD #18 DEO JMP2r