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- -- VANILLA.ADA Ver. 2.02 4-SEP-1992 Copyright 1988-1992 John J. Herro
- -- Software Innovations Technology
- -- 1083 Mandarin Drive NE, Palm Bay, FL 32905-4706 (407)951-0233
- --
- -- "Plain vanilla" version of CUSTOM_IO which should work with ANY standard Ada
- -- compiler. Compile this before compiling ADA_TUTR.ADA.
- --
- with TEXT_IO;
- package CUSTOM_IO is
- type COLOR is (BLACK, RED, GREEN, YELLOW, BLUE, MAGENTA, CYAN, WHITE);
- FOREGRND_COLOR : COLOR := WHITE; -- Default values in case
- BACKGRND_COLOR : COLOR := BLACK; -- ADA-TUTR finds no User
- BORDER_COLOR : COLOR := BLACK; -- File.
- FORE_COLOR_DIGIT : CHARACTER := CHARACTER'VAL(COLOR'POS(FOREGRND_COLOR)+48);
- BACK_COLOR_DIGIT : CHARACTER := CHARACTER'VAL(COLOR'POS(BACKGRND_COLOR)+48);
- NORMAL_COLORS : STRING(1 .. 10) := ASCII.ESC & "[0;3" &
- FORE_COLOR_DIGIT & ";4" & BACK_COLOR_DIGIT & "m";
- CLEAR_SCRN : constant STRING := ASCII.ESC & "[H" & ASCII.ESC & "[2J";
-
- procedure SET_BORDER_COLOR (TO : in COLOR);
- procedure GET (CHAR : out CHARACTER) renames TEXT_IO.GET;
- procedure PUT (CHAR : in CHARACTER) renames TEXT_IO.PUT;
- procedure PUT (STR : in STRING) renames TEXT_IO.PUT;
- procedure PUT_LINE (STR : in STRING) renames TEXT_IO.PUT_LINE;
- procedure GET_LINE (STR : out STRING;
- LAST : out NATURAL) renames TEXT_IO.GET_LINE;
- procedure NEW_LINE (SPACING : in TEXT_IO.COUNT := 1)
- renames TEXT_IO.NEW_LINE;
- end CUSTOM_IO;
-
- package body CUSTOM_IO is
- procedure SET_BORDER_COLOR(TO : in COLOR) is
- --
- -- This is a dummy procedure. If your PC Ada compiler allows interrupt
- -- calls or assembly language, you may want to write code to call
- -- interrupt 10 hex. (See JANUS.ADA and MERIDIAN.ADA for examples.)
- -- Before the call, set register AH to service number 0B hex, set BH to
- -- zero, and set BL to COLOR_NUMBER(TO), where COLOR_NUMBER is declared
- -- below. Note that the integers in COLOR_NUMBER are bit reversed from
- -- the integers defining foreground and background colors in ANSI escape
- -- sequences. Note also that some color PCs don't have separate border
- -- colors.
- --
- COLOR_NUMBER : constant array(COLOR) of INTEGER :=
- (BLACK => 0, RED => 4, GREEN => 2, YELLOW => 6,
- BLUE => 1, MAGENTA => 5, CYAN => 3, WHITE => 7);
- begin
- null;
- end SET_BORDER_COLOR;
- end CUSTOM_IO;
-