Fix wrong offset of irq vector byte used as on/off flag.

git-svn-id: svn://svn.cc65.org/cc65/trunk@5410 b7a2c559-68d2-44c3-8de9-860c34a00d81

diff --git a/libsrc/common/interrupt.s b/libsrc/common/interrupt.s
index 0b05ed820032cef018200e22da1ac3835e2899b2..8d4290f3e9dbe8e5ddf55dbbc3e37ad845a223ac 100644 (file)
--- a/libsrc/common/interrupt.s
+++ b/libsrc/common/interrupt.s
@@ -1,4 +1,4 @@
-;
+;                       
 ; Oliver Schmidt, 2012-01-18
 ;
 ; void __fastcall__ set_irq (irq_handler f, void *stack_addr, size_t stack_size);
@@ -44,7 +44,7 @@
 .proc  _reset_irq
 
        lda     #$00
-       sta     irqvec+3        ; High byte is enough
+       sta     irqvec+2        ; High byte is enough
        rts
 
 .endproc
@@ -53,7 +53,7 @@
 .proc  clevel_irq
 
        ; Is C level interrupt request vector set?
-       lda     irqvec+3        ; High byte is enough
+               lda     irqvec+2        ; High byte is enough
        bne     @L1
        clc                     ; Interrupt not handled
        rts
@@ -73,7 +73,7 @@
 
        ; Call C level interrupt request handler
        jsr     irqvec
-       
+
        ; Copy back our zero page content
        ldx     #zpspace-1
 @L3:    ldy     zpsave,x