;
; Key input
;

KeysReset		= 0FFh
Keys			= 1

Arrows			= 0FEh
K_Down			= 00000001b
K_Left			= 00000010b
K_Right			= 00000100b
K_Up			= 00001000b

Column1			= 0FDh
K_Enter			= 00000001b
K_Plus			= 00000010b
K_Minus			= 00000100b
K_Mul			= 00001000b
K_Div			= 00010000b
K_Power			= 00100000b
K_Clear			= 01000000b

Column2         = 0FBh
K_Neg           = 00000001b
K_3             = 00000010b
K_6             = 00000100b
K_9             = 00001000b
K_RightPar      = 00010000b
K_Tan           = 00100000b
K_Vars          = 01000000b

Column3         = 0F7h
K_Point         = 00000001b
K_2             = 00000010b
K_5             = 00000100b
K_8             = 00001000b
K_LeftPar       = 00010000b
K_Cos           = 00100000b
K_Prgm          = 01000000b
K_Stat          = 10000000b

Column4         = 0EFh
K_0             = 00000001b
K_1             = 00000010b
K_4             = 00000100b
K_7             = 00001000b
K_Comma         = 00010000b
K_Sin           = 00100000b
K_Apps          = 01000000b
K_XT            = 10000000b

Column5         = 0DFh
K_Sto           = 00000010b
K_Ln            = 00000100b
K_Log           = 00001000b
K_X2            = 00010000b
K_X_1           = 00100000b
K_Math          = 01000000b
K_Alpha         = 10000000b

UpperRow        = 0BFh
K_Graph         = 00000001b
K_Trace         = 00000010b
K_Zoom          = 00000100b
K_Window        = 00001000b
K_Y             = 00010000b
K_2nd           = 00100000b
K_Mode          = 01000000b
K_Del           = 10000000b