Mercurial > hg > Members > kono > nitros9-code
view lib/alib/parsnstr.a @ 2515:0fe5a04e9d0c
Updated
author | boisy |
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date | Tue, 06 Apr 2010 13:33:37 +0000 |
parents | 7d70b7e1cb21 |
children | aaba193af04f |
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* Parse sign bit terminated string to convert it to a * null terminated string. Note: if X and Y are the same * the existing string will be overwritten -- don't do this * with psects... * OTHER MODULES NEEDED: none * ENTRY: X=start of sign bit terminated string * Y=buffer for null terminated string * EXIT: D=string size (not including null) * All other regs (except cc) preserved nam Parse sign-bit terminated string ttl Assembler Library Module psect PARSNSTR,0,0,0,0,0 PARSNSTR: pshs x lbsr STRHCPY copy string tfr y,x point to moved string lbsr STRHLEN find length of string pshs d size leax d,x lda ,-x get final byte anda #%01111111 clear sign bit clrb add null terminator std ,x puls d,x,pc endsect