vectors.asm

G.729在54X上的定点实现源代码.C++编程,可以直接下载运行,并且优化

        .mmregs
        .sect ".vectors"
        

        .ref _c_int00           ; C entry point
 ;       .ref _mcbsp_rx_isr
  ;       .ref _dma_rx_isr         

        .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:   RETE
                NOP
                NOP
                NOP
int1:   RETE
                NOP 
                NOP
                NOP
int2:   RETE
                NOP
                NOP
                NOP
tint0:   RETE
                NOP
                NOP
                NOP
rint0:  rete  
           nop                
                NOP
                NOP
xint0:  RETE
                NOP
                NOP
                NOP
dmac0:  RETE
                NOP
                NOP
                NOP
tint1:  RETE;dma1
            NOP
                NOP
                NOP
int3:   RETE
                NOP
                NOP
                NOP
hpint:  RETE
                NOP
                NOP
                NOP
rint1:  RETE
                NOP
                NOP
                NOP
xint1:  RETE
                NOP
                NOP
                NOP
dmac4:  RETE
                NOP
                NOP
                NOP
dmac5:  RETE
                NOP
                NOP
                NOP
reserved1 .space 4*16
reserved2 .space 4*16

                .end