flp_asm.asm

来自「tms320c5402的boot c程序」· 汇编 代码 · 共 27 行

  
  
    .mmregs
    .global _Init5402           

_Init5402:
      nop
      LD  #0, DP
      STM #0, CLKMD 	; software setting of DSP clock
	  STM #0, CLKMD 	; (to divider mode before setting)
TstStatu1:
      LDM CLKMD, A
      AND #01b, A ;poll STATUS bit
      BC TstStatu1, ANEQ	
	  STM #0xF7ff, CLKMD ; set C5402 DSP clock to 10MHz
	  STM    #0x3FE0, PMST
      ;STM    #0x7fff, SWWSR
      STM    #0x1800,ST0
      STM    #0x6900,ST1
      STM    #0x0000, IMR
      STM    #0xFFFF, IFR
      NOP
      RET
*******************************************************  

.end