vectors.asm

一个DSP的完整程序

        .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
_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:           NOP
                NOP
                RETE
                NOP
int1:    NOP
         NOP
                
                RETE
                NOP
int2:   RETE
                NOP
                NOP
                NOP
tint:   RETE
                NOP
                NOP
                NOP
rint0:  NOP
        nop
        RETE
xint0:  
        NOP
        nop
        RETE
rint1:  RETE
                NOP
                NOP
                NOP
xint1:  RETE
                NOP
                NOP
                NOP
int3:   RETE
                NOP
                NOP
                NOP
                .end