bsp.asm

dsp5000系列dma汇编代码完全可靠可用

SPSA_1    .set   0048h
SPSD_1    .set   0049h
SPCR1_1    .set   0000h
SPCR2_1    .set   0001h  
RCR1_1     .set   0002h
RCR2_1     .set   0003h
XCR1_1     .set   0004h
XCR2_1     .set   0005h
SRGR1_1    .set   0006h
SRGR2_1    .set   0007h
MCR1_1     .set   0008h
MCR2_1     .set   0009h
RCERA_1    .set   000Ah
RCERB_1    .set   000Bh
XCERA_1    .set   000Ch
XCERB_1    .set   000Dh
PCR_1      .set   000Eh     


       stm  SPCR1_1,SPSA_1
       stm  #00h,SPSD_1
       stm  SPCR2_1,SPSA_1
       stm  #0200h,SPSD_1
       stm  PCR_1,SPSA_1
       stm  #000ch,SPSD_1
       ;rsbx intm
       ;stm  #0030h,IMR
       stm  RCR1_1,SPSA_1
       stm  #0040h,SPSD_1 ;8 words of each frame;8 bits of each word
       stm  RCR2_1,SPSA_1
       stm  #00h,SPSD_1
       stm  XCR1_1,SPSA_1
       stm  #0040h,SPSD_1 ;8 words of each frame;8 bits of each word
	   stm  XCR2_1,SPSA_1
       stm  #00h,SPSD_1 ;8 words of each frame;8 bits of each word
   ;    stm  SRGR1_1,SPSA_1
   ;    stm  #0000000000000100b,SPSD_1
   ;    stm  SRGR2_1,SPSA_1
   ;    stm  #0010000000000110b,SPSD_1
   ;    stm  MCR1_1,SPSA_1
   ;    stm  #0000h,SPSD_1
   ;    stm  MCR2_1,SPSA_1
   ;    stm  #0000h,SPSD_1
   ;    stm  RCERA_1,SPSA_1
   ;    stm  #1111h,SPSD_1
   ;    stm  RCERB_1,SPSA_1
   ;    stm  #1111h,SPSD_1
   ;    stm  XCERA_1,SPSA_1
   ;    stm  #1111h,SPSD_1
    ;   stm  XCERB_1,SPSA_1
   ;    stm  #1111h,SPSD_1