dsp寻址方式

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1、FileName:ex2.asmDescription:数据存储器和程序存储器实验Copyright(C)SanZhiElectronic,AuthorZpin.title"ex2".globalreset,_c_int00.mmregs.def_c_int00DAT0.set00HDAT1.set01HDAT2.set02HDAT3.set03HDDAT0.set2004HDDAT1.set2005HDDAT2.set2006HDDAT3.set2007HPDAT0.set1f00HPDAT1.set1f01HPDAT2.set1f02HPDAT3.set1f03H.sec

2、t".vectors";中断向量表reset:B_c_int00;复位向量NOPNOP.space4169.textDELAY.macroCOUNTSTMCOUNT,BRCRPTBdelay?NOPNOPNOPNOPdelay?:NOP.endm_c_int00:LD#40h,DP;置数据页为2000h~207FhSTM#3000h+100,SP;置堆栈指针SSBXINTM;禁止中断STM#07FFFh,SWWSR;置外部等待时间bk1:ST#1234h,DAT0;立即数寻址ST#5678h,(DDAT1)NOPNOPNOPbk2:MVDKDAT0,DDAT0;绝对地址(dm

3、ad)寻址MVKDDDAT1,DAT1NOPNOPNOPbk3:MVDPDAT0,PDAT0;绝对地址(pmad)寻址MVDPDAT1,PDAT1NOPNOPNOPbk4:LD#PDAT1,AREADADAT2;累加器寻址NOPNOPNOPbk5:ST#3210h,DAT3;直接寻址(DP指针)NOPNOPNOPbk6:SSBXCPLNOPNOPNOPST#9876h,DAT3;直接寻址(SP指针)NOPNOPNOPRSBXCPLNOPNOPNOPbk7:STM#DDAT3,AR0;间接寻址ST#9876h,AR0NOPNOPNOPbk8:STM#8888h,T;存储器映射寄

4、存器寻址NOPNOPNOPbk9:PSHMT;堆栈寻址POPMTNOPNOPNOPbk10:STM#4000h,AR0;程序存储器到数据存储器的复制RPT#100hMVPD1000H,AR0+NOPNOPNOPbk11:B_c_int00.end