1.dataformisestablishedinROMwithapositiveandnegativeform,thedatalengthis16bytes,therequirementsplacedeightpositive,eightnegative,positiveandnegativediscreterandomlyplaced,doesnotallowthreeormoreofthesametypecontinuousdataplacement,datatodeterminethespecificcontent;2.,compileprogram,readoutthedatainthedatatable,classifyitinpositiveandnegativenumbers,sendpositivenumbersintotheinternalRAMwiththefirstaddressof40H,andsendthenegativenumbertotheexternalRAMwiththeinitialaddressof0B000H.3.takeoutthedataintheexternalRAMwiththefirstaddressof0B000Handseekitsabsolutevalue,andthensenditintothe48Hto4FHunitoftheinternalRAM.