!
! Calculate new SR value
mov k3, k2 ! original SR value
- mov #0xf0, k1
+ mov #0xfffffff0, k1
extu.b k1, k1
not k1, k1
and k1, k2 ! Mask original SR value
bsr save_regs ! needs original pr value in k3
mov #-1, k2 ! default vector kept in k2
+ setup_frame_reg
+
stc sr, r0 ! get status register
shlr2 r0
and #0x3c, r0