add MyDOS detection (from Stefan Haubenthal)

git-svn-id: svn://svn.cc65.org/cc65/trunk@2935 b7a2c559-68d2-44c3-8de9-860c34a00d81

diff --git a/libsrc/atari/dosdetect.s b/libsrc/atari/dosdetect.s
index d7c455f9872dd5daf06e7ae33e1aa18021259270..380f1837b296fc4f1460c368f380ec8531d3604f 100644 (file)
--- a/libsrc/atari/dosdetect.s
+++ b/libsrc/atari/dosdetect.s
@@ -14,8 +14,10 @@ detect:      lda     #ATARIDOS
        sta     __dos_type      ; set default
 
        lda     DOS
-       cmp     #$53            ; "S" (SpartaDOS)
+       cmp     #'S'            ; SpartaDOS
        beq     spdos
+       cmp     #'M'            ; MyDOS
+       beq     mydos
 
        ldy     #COMTAB
        lda     #$4C
@@ -37,6 +39,10 @@ spdos:       lda     #SPARTADOS
        sta     __dos_type
 done:  rts
 
+mydos: lda     #MYDOS
+       sta     __dos_type
+       rts
+
        .bss
 
 __dos_type:    .res    1