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