**************************************
 
* FPUTS: print null terminated string to "A".

* OTHER MODULES REQUIRED: none

* ENTRY: X=start of string
*        A=path

* EXIT: CC carry set if error
*       B = OS9 error if any (from I$WritLn)

* NOTE: string is feed through I$WritLn for editing (adding LF, etc.)

 nam Output String
 ttl Assembler Library Module


 section .text

FPUTS:
 pshs a,x,y,u
 tfr x,u start of 1st segment to print

loop
 pshs u start of this segment
 ldy #-1 size of this seg.

l1
 leay 1,y count size
 ldb ,u+ check for null/cr
 beq doit null=do last seg.
 cmpb #$0d cr=do this seg.
 bne l1
 leay 1,y count CR as one of the ones to print

doit
 puls x get start of this segment
 OS9 I$WritLn
 bcs exit
 tst -1,u at end?
 bne loop

exit
 puls a,x,y,u,pc return with status in CC,error code in B

 endsect