uxn/examples/core.usm

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( hello world )
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;iterator
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:dev1r FFF0
:dev1w FFF1
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|0100 @RESET
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@word1 "hello_word ( len: 0x0b )
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@loop
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,dev1w STR ( write to stdout )
,incr JSU ( increment itr )
,word1 ,strlen JSU ( get strlen )
NEQ ,loop ROT JSC ( loop != strlen )
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BRK
@strlen
,0001 ADD^ PEK
RTS
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@incr
,iterator LDR
,01 ADD
,iterator STR
,iterator LDR
RTS
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|c000 @FRAME BRK
|d000 @ERROR BRK
|FFFA .RESET .FRAME .ERROR