( 
	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 ,&not-one JCN
		POP2 #00 RTN
		&not-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