[s1mp3-dev] help me

[robert]

i use atj2051 chip,and now i can run welcome.bin normal,but the ap_main cant display anything,i think the set display int code is wrong,it is in hardinit.msa.who can tell me what's it?and how to debug the display driver?
//*********set display int
//***********************
        ld      a,0xc3
        ld      (RSTDisplayAPI),a
        ld      hl,UI_Entrance
        ld      (RSTDisplayAPI+1),hl
 
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