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uxn/projects/library/string.tal
2021-10-06 06:54:03 +01:00

28 lines
514 B
Tal

@strcmp ( a* b* -- a-end* b-end* order nonzero if strings differ
OR a-end* b-end* 00 00 if strings match )
STH2
,&entry JMP
&loop ( a* a b / b* )
SUB ,&nomatch JCNk ( a* a-b nonzero / b* )
POP2 ( a* / b* )
INC2 INC2r
&entry ( a* / b* )
LDAk LDAkr STHr ( a* a b / b* )
ORAk ,&loop JCN
&nomatch ( a* a-b flag / b* )
STH2r SWP2 ( a* b* a-b flag )
JMP2r
@strlen ( string-ptr* -- length^ )
LIT2r 0000
,&entry JMP
&loop
INC2 INC2r
&entry
LDAk ,&loop JCN
POP2 STH2r
JMP2r