//BitBlt.decl //last modified May 22, 1978 12:10 AM //--------------------------------------------------------------------------- structure BBT: //BitBlt Table //--------------------------------------------------------------------------- [ function word = [ blank bit 12 sourceType bit 2 operation bit 2 ] blank word dbca word //dest bitmap core address dbmr word //dest bit map raster dlx word //dest left x coordinate dty word //dest top y coordinate dw word //dest width dh word //dest height sbca word //src bitmap core address sbmr word //src bit map raster slx word //src left x coordinate sty word //src top y coordinate gray^0,3 word //gray block ] manifest lenBBT = size BBT/16 //--------------------------------------------------------------------------- manifest //--------------------------------------------------------------------------- [ //operations opReplace = 0 //Dest _ Src opPaint = 1 //Dest _ Src % Dest opInvert = 2 //Dest _ Src xor Dest opErase = 3 //Dest _ not Src & Dest //source types stBlock = 0 //a block stCompBlock = 4 //the complement of a block stBrush = 8 //a block as a brush with a gray stGray = 12 //a gray //gray values black = -1 darkestGray = #76575 darkerGray = #165727 darkGray = #125125 gray = #55132 lightGray = #36074 lighterGray = #12050 lightestGray = #101202 white = 0 //texture values texture1 = #27164 texture2 = #154033 texture3 = #31714 texture4 = #63 texture5 = #177714 ]