From: cuz <cuz@b7a2c559-68d2-44c3-8de9-860c34a00d81>
Date: Mon, 5 Sep 2005 20:25:24 +0000 (+0000)
Subject: Don't install the IRQ vector if mouse_install returns an error
X-Git-Tag: V2.12.0~221
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=291b4edb9a2038db373431f04637fcaf3f59f215;p=cc65

Don't install the IRQ vector if mouse_install returns an error


git-svn-id: svn://svn.cc65.org/cc65/trunk@3625 b7a2c559-68d2-44c3-8de9-860c34a00d81
---

diff --git a/libsrc/mouse/mouse-kernel.s b/libsrc/mouse/mouse-kernel.s
index 2318ef950..9dc7d3b23 100644
--- a/libsrc/mouse/mouse-kernel.s
+++ b/libsrc/mouse/mouse-kernel.s
@@ -91,9 +91,11 @@ _mouse_install:
         ldy     tmp1
         bpl     @L2
 
-; Call driver install routine
+; Call driver install routine and check for errors
 
         jsr     mouse_install
+        tay                             ; Test error code
+        bne     @L3                     ; Bail out if install had errors
 
 ; Install the IRQ vector if the driver needs it. A/X contains the error code
 ; from mouse_install, so don't use it.