view lib/alib/frewind.as @ 3278:ea1afb494127

defs: Add Bt.Sec for atari and corsham
author Tormod Volden <debian.tormod@gmail.com>
date Sat, 07 Mar 2020 23:52:40 +0100
parents 03f26e88b809
children
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* Subroutine rewind file

* OTHER MODULES NEEDED: none

* ENTRY: A=path


* EXIT:  CC carry set if error (from I$Seek)
*        B  error code if any

 nam Rewind open RBF file
 ttl Assembler Library Module


 section .text

FREWIND:
 pshs x,u
 ldx #0
 tfr x,u
 os9 I$Seek seek to pos 0
 puls x,u,pc

 endsect