Made dio_read(), dio_write(), and dio_write_verify() catch sector number conversion...

[cc65] / libsrc / geos-cbm / disk / dio_read.s

diff --git a/libsrc/geos-cbm/disk/dio_read.s b/libsrc/geos-cbm/disk/dio_read.s
index db46c9b695bb3a2ca61e8dd9d54380e2301fd868..ac19f9afa4502fe7f87b0fcf9254fd1cbcfaa30c 100644 (file)
--- a/libsrc/geos-cbm/disk/dio_read.s
+++ b/libsrc/geos-cbm/disk/dio_read.s
@@ -1,6 +1,6 @@
 ;
-; Maciej 'YTM/Elysium' Witkowiak
-; 2.7.2001
+; 2001-07-02, Maciej 'YTM/Elysium' Witkowiak
+; 2015-08-27, Greg King
 ;
 ; this file provides the _dio_read function
 ;
@@ -15,7 +15,9 @@
 
 _dio_read:
         jsr dio_params
+        tay
+        bne err
         jsr ReadBlock
         stx __oserror
         txa
-        rts
+err:    rts