vectors.asm

DSP实验开发程序:信号发生器.学习使用CCS

;
;  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
;
		.global  _num_int0			;num按键的int0中断服务程序
		.global  _stop_int1			;stop按键的int1中断服务程序
        .global  _dmac0isr		;dma0中断
        .sect "vectors"

        .ref _c_int00           ; C entry point

        .align  0x80            ; must be aligned on page boundary

RESET:                          ; reset vector
        BD _c_int00                             ; branch to C entry point
        ;STM #200,SP                             ; stack size of 200
        nop
        nop
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:   bd _num_int0
                NOP
                NOP
int1:   bd _stop_int1
				NOP 
                NOP
                
int2:   RETE
				NOP
                NOP
                NOP
tint:   RETE
				NOP
                NOP
                NOP
                
rint0:  RETE
				NOP
                NOP
                NOP
                
xint0:			RETE
				NOP
                NOP
                NOP
                
DMAC0:	bd  _dmac0isr
				NOP
				NOP
								
DMAC1:	RETE
				NOP
				NOP
				NOP
				
int3:   RETE
                NOP
                NOP
                NOP
HPINT:	RETE
				NOP
				NOP
				NOP				
rint1:  RETE
                NOP
                NOP
                NOP
xint1:  RETE

                NOP
                NOP
                NOP
        .space 16*16
                .end