; Program vects541.asm
;   Assemble with:  asm500 -sl vects541.asm

        .ref _c_int00, _c_INT0, _c_INT1, _c_INT2, _c_TINT
        .ref _c_RINT0, _c_XINT0, _c_RINT1, _c_XINT1, _c_INT3
        .mmregs
        .sect ".vectors"
;
;  The section, .vectors, should be mapped to the memory block VECS, which
;  starts at location 0FF80h.

                   ; Number Name      Location  Function
RS BD _c_int00     ;  0     RS/SINTR   0        Reset (hardware or software)
   NOP
   NOP

                   ;  1     NMI/SINT16  4       NMI/SINT16 (nonmaskable)
                   ; 2-15   SINT17-30   8-3C    software ints
                   ; These 60 = 40h - 4 locations are filled with NOP
 .loop 40h-4      
   NOP
 .endloop

INT0 BD _c_INT0   ;  16    INT0/SINT0  40       External interrupt 0
     NOP
     NOP
INT1 BD _c_INT1   ;  17     INT1/SINT1 44       External interrupt 1
     NOP
     NOP
INT2 BD _c_INT2   ;  18     INT2/SINT2 48       External interrupt 2
     NOP
     NOP
TINT BD _c_TINT   ;  19    TINT/SINT3  4C       Timer interrupt
     NOP
     NOP
RINT0 BD _c_RINT0 ;   20    RINT0/SINT4 50       Ser. Port 0 receive int
     NOP
     NOP
XINT0 BD _c_XINT0 ;   21    XINT0/SINT5 54       Ser. Port 0 transmit int
     NOP
     NOP
RINT1 BD _c_RINT1 ;   22    RINT1/SINT6 58       Ser. Port 1 receive int
     NOP
     NOP
XINT1 BD _c_XINT1 ;   23    XINT1/SINT7 5C       Ser. Port 1 transmit int
     NOP
     NOP
INT3  BD _c_INT3 ;   24    INT3/SINT8  60       External interrupt 3
     NOP
     NOP

; interrupts 25-31 are reserved
   .end