The IRQ handler needs to save the registers. By Stefan Haubenthal.

git-svn-id: svn://svn.cc65.org/cc65/trunk@5574 b7a2c559-68d2-44c3-8de9-860c34a00d81

diff --git a/libsrc/atmos/crt0.s b/libsrc/atmos/crt0.s
index 15aa9509a7740ca5923b6b6d9c6edf8f502deca5..bc11ce5d9283ccd906b0af4e718792284d61dc0e 100644 (file)
--- a/libsrc/atmos/crt0.s
+++ b/libsrc/atmos/crt0.s
@@ -133,7 +133,17 @@ L2:        lda     zpsave,x
 
 IRQStub:
        cld                             ; Just to be sure
+       pha
+       txa
+       pha
+       tya
+       pha
        jsr     callirq                 ; Call the functions
+       pla
+       tay
+       pla
+       tax
+       pla
        jmp     IRQInd                  ; Jump to the saved IRQ vector
 
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