testaasm.c

一个完整的DSP5402系统

nop
        nop
        LD   #80h,DP
        nop
        nop
        LD #0fffh,A
        nop
        nop
        STL A,4h
        nop
        nop
        ;下半屏
h1:     nop
        nop
        MVDM 4020h,AR2   ;8000h->AR2
        nop
        nop
        
        MVKD 4100h,*AR2+
        nop
        nop
        LD   B,A
        nop
        nop

        add  #0080h,A
        nop
        nop
        nop
        
        LD   #80h,DP
        nop
        nop
        STL A, 10h
        nop
        nop
        portw  10h,8000h
        nop
        nop

        MVDM 4005h,BRC
        nop
        nop
        nop
        nop

        RPTB  g1
        nop
       
g1:     MVKD 4004h,*AR2+
        nop
        nop
        

        
        add  #1,B
        nop
        nop
        LD  B,A
        nop
        nop
        sub  #12h,A
        nop
        nop
        
        bc h1,ANEQ
       
        LD #2fffh,A
        nop
        nop
        STL A,5h
        nop
        nop
        nop
        nop
        MVDM 4020h,AR2   ;8000h->AR2
        nop
        nop
        MVKD 4100h,*AR2+
        MVDM 4005h,BRC
        nop
        nop
        nop
        nop
        
        RPTB  g2
        nop
g2:     MVKD 4004h,*AR2+
		nop
		nop