vectors.asm

这是我编一个DSP的USP的程序 调试通过

;  Copyright 2001 by Texas Instruments Incorporated.
;  All rights reserved. Property of Texas Instruments Incorporated.
;  Restricted rights to use, duplicate or disclose this code are
;  granted through contract.
;  U.S. Patent Nos. 5,283,900  5,392,448
;
; "@(#) DSP/BIOS 4.51.0 05-23-01 (barracuda-i10)"
;
;  ======== vectors.asm ========
;  Plug in the entry point at RESET in the interrupt vector table
;
;
;  ======== unused ========
;  plug inifinite loop -- with nested branches to
;  disable interrupts -- for all undefined vectors
;

        .sect ".vectors"

        .ref _usb_isr,_timer_isr,_MCUuartISR,_c_int00

        .align  0x80            ; must be aligned on page boundary

RESET:                          ; reset vector
         b   _c_int00
        nop
        nop                        ; branch to C entry point
                                     ; stack size of 200
nmi:    RETE                    ; enable interrupts and return from one
                NOP
                NOP
                NOP                                     ;NMI~

                ; software interrupts
sint17 .space 4*16
sint18 .space 4*16
sint19 .space 4*16
sint20 .space 4*16
sint21 .space 4*16
sint22 .space 4*16
sint23 .space 4*16
sint24 .space 4*16
sint25 .space 4*16
sint26 .space 4*16
sint27 .space 4*16
sint28 .space 4*16
sint29 .space 4*16
sint30 .space 4*16

int0:  RETE   
				NOP
				NOP
                NOP
int1:   b    _MCUuartISR   
				NOP
                NOP
               
int2:  SSBX  INTM
 	b    _usb_isr
                NOP
              
                
tint:   b   _timer_isr
               NOP
                NOP
rint0:  RETE
                NOP
                NOP
                NOP
xint0:  RETE
				NOP
                NOP
                NOP
rint1:  RETE
                NOP
                NOP
                NOP
xint1:  RETE
                NOP
                NOP
                NOP
int3:   RETE
                NOP
                NOP
                NOP
                .end