* Disassembly by Os9disasm of htoi.r

 section code

htoi: clra   
 clrb   
 pshs  d,u 
 ldu   6,s 
 leax  _chcodes,y 
L000a ldb   ,u 
 cmpb  #$20 
 beq   L0014 
 cmpb  #9 
 bne   L003b 
L0014 leau  1,u 
 bra   L000a 
L0018 ldd   ,s 
 lslb   
 rola   
 lslb   
 rola   
 lslb   
 rola   
 lslb   
 rola   
 std   ,s 
 ldb   ,u+ 
 subb  #$30 
 cmpb  #9 
 ble   L0034 
 subb  #7 
 cmpb  #$0f 
 ble   L0034 
 subb  #$20 
L0034 clra   
 addd  ,s 
 std   ,s 
 ldb   ,u 
L003b ldb   b,x 
 andb  #$40 
 bne   L0018 
 puls  d,u,pc 

 endsect