add a return -1 helper

2024-01-11 18:19:13 +01:00
parent 57e65a6bf6
commit 5d49fde788
8 changed files with 28 additions and 39 deletions
--- a/libsrc/atari/open.s
+++ b/libsrc/atari/open.s
@@ -19,7 +19,7 @@
        .import findfreeiocb
        .import incsp4
        .import ldaxysp,addysp
-        .import ___oserror
+        .import ___oserror, returnFFFF
 .ifdef  UCASE_FILENAME
        .import ucase_fn
 .endif
@@ -39,9 +39,7 @@ parmok: jsr     findfreeiocb
        lda     #<EMFILE        ; "too many open files"
 seterr: jsr     ___directerrno
        jsr     incsp4          ; clean up stack
-        lda     #$FF
-        tax
-        rts                     ; return -1
+        jmp     returnFFFF

        ; process the mode argument