* Disassembly by Os9disasm of signal.r

* OS-9 system function equates

F$Exit equ $06 
F$Icpt equ $09 

 section bss

* Uninitialized data (class B)
B0000 rmb 60 
B003c rmb 1 
* Initialized Data (class G)

 endsect  

 section code

_sigint: ldd   2,s 
 tstb   
 beq   L000c 
 tsta   
 bne   L000c 
 bsr   L003c 
 bne   L0010 
L000c ldd   #-1 
 rts    
L0010 ldd   1,x 
 pshs  d 
 ldd   6,s 
 std   1,x 
 bne   L001e 
 clr   ,x 
L001c puls  d,pc 
L001e ldb   5,s 
 stb   ,x 
 tst   B003c,y 
 bne   L001c 
 exg   y,u 
 leax  >L006a,pcr 
 os9 F$Icpt 
 exg   y,u 
 puls  d 
 bcs   L000c 
 inc   B003c,y 
 rts    
L003c clr   ,-s 
 clr   ,-s 
 leax  B003c,y 
 pshs  x 
 leax  B0000,y 
L004a cmpx  ,s 
 beq   L0065 
 cmpb  ,x 
 bne   L0057 
 leas  4,s 
 andcc #251 
 rts    
L0057 lda   ,x 
 ora   2,s 
 ora   3,s 
 bne   L0061 
 stx   2,s 
L0061 leax  3,x 
 bra   L004a 
L0065 ldx   2,s 
 leas  4,s 
 rts    
L006a leay  ,u 
 bsr   L003c 
 beq   L0076 
 pshs  x 
 ldx   1,x 
 bne   L0081 
L0076 os9 F$Exit 
 cmpx  #1 
 bne   L0081 
 leas  2,s 
 rti    
L0081 clra   
 pshs  d 
 jsr   ,x 
 puls  d,x 
 clra   
 clrb   
 sta   ,x 
 std   1,x 
 rti    

 endsect