mirror of
https://git.sr.ht/~rabbits/uxn
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46 lines
878 B
Tal
46 lines
878 B
Tal
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( uxnasm subleq.tal subleq.rom && uxncli subleq.rom )
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%EMIT { #18 DEO }
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%HALT { #0101 #0e DEO2 }
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%RTN { JMP2r }
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%GET { #10 SFT2 ;program ADD2 LDA2 }
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%SET { #10 SFT2 ;program ADD2 STA2 }
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|0000 @a $2 @b $2 @c $2
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|0100
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( pointer ) #0000
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&while
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,eval JSR
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DUP2 #8000 LTH2 ,&while JCN
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POP2
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HALT
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BRK
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@eval ( ip* -- ip* )
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DUP2 GET .a STZ2
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INC2 DUP2 GET .b STZ2
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INC2 DUP2 GET .c STZ2
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INC2
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( I/O )
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.a LDZ2 #ffff NEQ2 ,&noin JCN
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( nothing. ) ,&end JMP2 &noin
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.b LDZ2 #ffff NEQ2 ,&noout JCN
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.a LDZ2 GET NIP EMIT ,&end JMP &noout
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( SUBLEQ )
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.b LDZ2 GET .a LDZ2 GET SUB2 .b LDZ2 SET
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( SET )
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.b LDZ2 GET #0001 SUB2 #8000 LTH2 ,&end JCN
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POP2 .c LDZ2 &end
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RTN
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@program ( hello world )
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000f 0011 ffff 0011 ffff ffff 0010 0001
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ffff 0010 0003 ffff 000f 000f 0000 0000
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ffff 0048 0065 006c 006c 006f 002c 0020
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0077 006f 0072 006c 0064 0021 000a 0000
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