( An integer greater than one is called a prime number if its only positive divisors are one and itself. ) %RTN { JMP2r } %HALT { #0101 #0e DEO2 } %MOD2 { DIV2k MUL2 SUB2 } %EMIT { #18 DEO } |0100 ( -> ) @main #0000 #0001 &loop DUP2 ,is-prime JSR #00 EQU ,&skip JCN DUP2 ,print-hex/short JSR #20 EMIT &skip INC2 NEQ2k ,&loop JCN POP2 POP2 HALT BRK @is-prime ( number* -- flag ) DUP2 #0001 NEQ2 ,¬-one JCN POP2 #00 RTN ¬-one STH2k ( range ) #01 SFT2 #0002 &loop STH2kr OVR2 MOD2 #0000 NEQ2 ,&continue JCN POP2 POP2 POP2r #00 RTN &continue INC2 GTH2k ,&loop JCN POP2 POP2 POP2r #01 RTN @print-hex ( value* -- ) &short ( value* -- ) SWP ,&echo JSR &byte ( value -- ) ,&echo JSR RTN &echo ( value -- ) STHk #04 SFT ,&parse JSR EMIT STHr #0f AND ,&parse JSR EMIT RTN &parse ( value -- char ) DUP #09 GTH ,&above JCN #30 ADD RTN &above #09 SUB #60 ADD RTN RTN