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Annotation of 42BSD/games/backgammon/text.c, revision 1.1

1.1     ! root        1: static char sccsid[] = "       text.c  4.1     82/05/11        ";
        !             2: 
        !             3: #include "back.h"
        !             4: 
        !             5: char *instr[] = {
        !             6:     "    If you did not notice by now, this program reacts to things as",
        !             7:     "soon as you type them, without waiting for a newline.  This means that",
        !             8:     "the special characters RUBOUT, ESC, and CONTROL-D, will not perform",
        !             9:     "their special functions during most of this program.  The program",
        !            10:     "should usually stop when a RUBOUT is typed, but occasionally it will",
        !            11:     "ignore RUBOUTs until it is waiting for input.\n",
        !            12:     "    These instructions are presented in small chunks designed not to",
        !            13:     "roll off the top of your screen.  When the characters '-->' are print-",
        !            14:     "ed, no more data will be printed until a space or newline is typed.",
        !            15:     "In this way, you can finish one section before continuing to another.",
        !            16:     "Like this:",
        !            17:     "",
        !            18:     "    The two sides are colored 'red' and 'white.' The computer may play",
        !            19:     "one side, or if there are two players, the computer can merely act as",
        !            20:     "a gamekeeper, letting the players make the moves.  Once you tell the",
        !            21:     "computer what color(s) you want to play, the decision remains in ef-",
        !            22:     "fect until you quit the program, even if you play more than one game,",
        !            23:     "since the program keeps a running score.\n",
        !            24:     "    The program will prompt for a move in one of two ways.  If the",
        !            25:     "player has the opportunity to double, then merely his color will be",
        !            26:     "typed out.  The player can now do one of several things.  He can dou-",
        !            27:     "ble by typing a 'd', he can roll by typing a space (' ') or newline,",
        !            28:     "or if he is not sure, he can reprint the board by typing a 'r'.\n",
        !            29:     "    If the player cannot double, his roll will be thrust in front of",
        !            30:     "him, followed by the request 'Move:', asking for a move but not giving",
        !            31:     "him the chance to double.  He can still ask for the board by typing",
        !            32:     "'r'.  In either of these two states, the player can quit by typing 'q'",
        !            33:     "or save the game by typing 's'.  In either case, the player will be",
        !            34:     "asked to verify, in case there was some error.  The program then ends",
        !            35:     "immediately, after first saving the file if so requested.",
        !            36:     "",
        !            37:     "    A player can move one of his men using two forms of input.  The",
        !            38:     "first form is <s>-<f>, where <s> is the starting position, and <f> is",
        !            39:     "the finishing position of the player's man.  For example, if white",
        !            40:     "wanted to move a piece from position 13 to position 8, his move could",
        !            41:     "be entered as 13-8.  The second form is <s>/<r> where <s> is the",
        !            42:     "starting position, an <r> is the roll actually made.  Hence, white",
        !            43:     "could have entered as 13/5 instead of 13-8.\n",
        !            44:     "    A player must move each roll of the dice separately.  For example,",
        !            45:     "if a player rolled 4 3, and wanted to move from 13 to 6, he could",
        !            46:     "enter it as 13/4,9/3 or 13/3,10/4 or 13-10,10-6 or 13-9,9-6, but not",
        !            47:     "13-6.  The last two entries can be shortened to 13-10-6 and 13-9-6.",
        !            48:     "If you want to move more than one piece from the same position, such",
        !            49:     "as 13-10,13-9, you can abbreviate this using the <s>/<r> format as by",
        !            50:     "entering more than one <r>, or 13/34.  A player can use both forms for",
        !            51:     "the same roll, e.g. 13/3,13-9, and separates individual moves by ei-",
        !            52:     "ther a comma or a space.  The letter 'b' represents the bar, and the",
        !            53:     "letter 'h' represents a player's home.  You could also enter the",
        !            54:     "number that would be in the position of the bar, 25 or 0 as appropri-",
        !            55:     "ate.  Use a newline at the end of your moves for a turn.",
        !            56:     "",
        !            57:     "    As you type in your move, if a character does not make sense under",
        !            58:     "the above constrictions, a bell will sound instead of the character,",
        !            59:     "and it will be ignored.  You may kill lines and erase characters as",
        !            60:     "you would normally, but don't be surprised if they look different than",
        !            61:     "usual.  Also, if you have entered one or more of your rolls, and you",
        !            62:     "wish to see what the move looks like so far, type a 'r' to see what it",
        !            63:     "looks like.  This cannot be done in the middle of a move (e.g., after",
        !            64:     "a '-' or '/').  After the printing board, the program will go back to",
        !            65:     "inputting your move and you can backspace or kill just as if you had",
        !            66:     "just typed in your input.\n",
        !            67:     "    Now you should be ready to begin the game.  Good luck!",
        !            68:     "",
        !            69:     0};
        !            70: 
        !            71: 
        !            72: text (t)
        !            73: char   **t;
        !            74: 
        !            75: {
        !            76:        register int    i;
        !            77:        register char   *s, *a;
        !            78: 
        !            79:        fixtty (noech);
        !            80:        while (*t != 0)  {
        !            81:                s = a = *t;
        !            82:                for (i = 0; *a != '\0'; i--)
        !            83:                        a++;
        !            84:                if (i)  {
        !            85:                        writel (s);
        !            86:                        writec ('\n');
        !            87:                } else  {
        !            88:                        writel ("-->");
        !            89:                        fixtty (raw);
        !            90:                        while ((i = readc()) != ' ' && i != '\n');
        !            91:                        fixtty (noech);
        !            92:                        clear();
        !            93:                }
        !            94:                t++;
        !            95:        }
        !            96:        fixtty (raw);
        !            97: }

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