87 lines
1.6 KiB
Plaintext
87 lines
1.6 KiB
Plaintext
( dev/console )
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%RTN { JMP2r }
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%PRINT { .Console/string DEO2 }
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%BR { #0a .Console/char DEO }
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( devices )
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|10 @Console [ &pad $8 &char $1 &byte $1 &short $2 &string $2 ]
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( variables )
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|0000
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@number [ &started $1 ]
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( init )
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|0100 ( -> )
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;char-txt PRINT #42 .Console/char DEO BR
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;byte-txt PRINT #ab .Console/byte DEO BR
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;short-txt PRINT #cdef .Console/short DEO2 BR
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;string-txt PRINT ;hello-word .Console/string DEO2 BR
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;hello-word ;print JSR2
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#ffff ;print-hexadecimal JSR2
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;is-word ;print JSR2
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#ffff ;print-decimal JSR2
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BRK
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@print ( addr -- )
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&loop
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( send ) DUP2 LDA .Console/char DEO
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( incr ) #0001 ADD2
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( loop ) DUP2 LDA ,&loop JCN
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POP2
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RTN
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@print-hexadecimal ( short -- )
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LIT '0 .Console/char DEO
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LIT 'x .Console/char DEO
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DUP2 #000c SFT2 ,&digit JSR
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DUP2 #0008 SFT2 ,&digit JSR
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DUP2 #0004 SFT2 ,&digit JSR
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,&digit JSR
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RTN
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&digit
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#0f AND DUP #0a LTH ,¬-alpha JCN
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#27 ADD
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¬-alpha
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LIT '0 ADD .Console/char DEO
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POP
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RTN
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@print-decimal ( short -- )
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#00 .number/started POK
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DUP2 #2710 DIV2 DUP2 ,&digit JSR #2710 MUL2 SUB2
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DUP2 #03e8 DIV2 DUP2 ,&digit JSR #03e8 MUL2 SUB2
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DUP2 #0064 DIV2 DUP2 ,&digit JSR #0064 MUL2 SUB2
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DUP2 #000a DIV2 DUP2 ,&digit JSR #000a MUL2 SUB2
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,&digit JSR
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.number/started PEK ,&end JCN
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LIT '0 .Console/char DEO
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&end
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RTN
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&digit
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SWP POP
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DUP .number/started PEK ORA #02 JCN
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POP JMP2r
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LIT '0 ADD .Console/char DEO
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#01 .number/started POK
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RTN
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@char-txt "char: 20 $1
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@byte-txt "byte: 20 $1
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@short-txt "short: 20 $1
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@string-txt "string: 20 $1
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@hello-word "hello 20 "World! 0a 00
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@is-word 20 "is 20 00
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