From: cuz <cuz@b7a2c559-68d2-44c3-8de9-860c34a00d81>
Date: Mon, 5 Sep 2005 20:24:37 +0000 (+0000)
Subject: Don't install the IRQ vector if joy_install returns an error
X-Git-Tag: V2.12.0~222
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=b17be7f2e890ab111ea1c12cec76200e3d94a309;p=cc65

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


git-svn-id: svn://svn.cc65.org/cc65/trunk@3624 b7a2c559-68d2-44c3-8de9-860c34a00d81
---

diff --git a/libsrc/joystick/joy-kernel.s b/libsrc/joystick/joy-kernel.s
index 0bb49463f..7961e1c2a 100644
--- a/libsrc/joystick/joy-kernel.s
+++ b/libsrc/joystick/joy-kernel.s
@@ -77,6 +77,8 @@ _joy_install:
         bne     @L2
 
         jsr     joy_install             ; Call driver install routine
+        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 joy_install, so don't use it.