mirror of
https://github.com/QB64-Phoenix-Edition/QB64pe.git
synced 2024-09-09 15:10:18 +00:00
These tests use a variety of sample code (with some of the larger files removed, so they are not complete!) and verifies that they all compile successfully.
543 lines
No EOL
13 KiB
QBasic
543 lines
No EOL
13 KiB
QBasic
DEFINT A-Z
|
|
DECLARE SUB SQUARE (A, B, C)
|
|
DECLARE SUB SHOWMAN (A, B, FLAG)
|
|
DECLARE SUB SHOWBD ()
|
|
DECLARE SUB IO (A, B, X, Y, RESULT)
|
|
DECLARE FUNCTION INCHECK (X)
|
|
DECLARE SUB MAKEMOVE (A, B, X, Y)
|
|
DECLARE SUB KNIGHT (A, B, XX(), YY(), NDX)
|
|
DECLARE SUB KING (A, B, XX(), YY(), NDX)
|
|
DECLARE SUB QUEEN (A, B, XX(), YY(), NDX)
|
|
DECLARE SUB ROOK (A, B, XX(), YY(), NDX)
|
|
DECLARE SUB BISHOP (A, B, XX(), YY(), NDX)
|
|
DECLARE SUB MOVELIST (A, B, XX(), YY(), NDX)
|
|
DECLARE SUB PAWN (A, B, XX(), YY(), NDX)
|
|
DECLARE FUNCTION EVALUATE (ID, PRUNE)
|
|
DIM SHARED BOARD(0 TO 7, 0 TO 7)
|
|
DIM SHARED BESTA(0 TO 7), BESTB(0 TO 7), BESTX(0 TO 7), BESTY(0 TO 7)
|
|
DIM SHARED LEVEL, MAXLEVEL, SCORE
|
|
DIM SHARED WCKSFLAG, WCQSFLAG, INTFLAG
|
|
DIM SHARED WCKSOLD, WCQSOLD
|
|
LEVEL = 0
|
|
MAXLEVEL = 5 'change this to higher to make it think ahead more
|
|
DATA -500,-270,-300,-900,-7500,-300,-270,-500
|
|
DATA -100,-100,-100,-100, -100,-100,-100,-100
|
|
DATA 0, 0, 0, 0, 0, 0, 0, 0
|
|
DATA 0, 0, 0, 0, 0, 0, 0, 0
|
|
DATA 0, 0, 0, 0, 0, 0, 0, 0
|
|
DATA 0, 0, 0, 0, 0, 0, 0, 0
|
|
DATA 100, 100, 100, 100, 100, 100, 100, 100
|
|
DATA 500, 270, 300, 900, 5000,300, 270, 500
|
|
FOR X = 0 TO 7
|
|
FOR Y = 0 TO 7
|
|
READ Z
|
|
BOARD(X, Y) = Z
|
|
NEXT Y
|
|
NEXT X
|
|
A = -1
|
|
RESULT = 0
|
|
CLS
|
|
LOCATE , 34
|
|
PRINT "QBASIC CHESS"
|
|
PRINT
|
|
PRINT " CHESS is a game played between two players on a board of 64 squares."
|
|
PRINT " Chess was first invented in its current form in Europe during the late"
|
|
PRINT " fifteenth century. It evolved from much earlier forms invented in India"
|
|
PRINT " and Persia."
|
|
PRINT " The pieces are divided into Black and White. Each player has 16 pieces:"
|
|
PRINT " 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns. White makes"
|
|
PRINT " the first move. The players alternate moving one piece at a time. Pieces"
|
|
PRINT " are moved to an unoccupied square, or moved onto a square occupied by an"
|
|
PRINT " opponent's piece, capturing it. When the king is under attack, he is in"
|
|
PRINT " CHECK. The player cannot put his king in check. The object is to CHECKMATE"
|
|
PRINT " the opponent. This occurs when the king is in check and there is no way to"
|
|
PRINT " remove the king from attack."
|
|
PRINT " To move the pieces on the chessboard, type in your move in coordinate"
|
|
PRINT " notation, e.g. E2-E4 (not in English notation like P-K4). To castle, type O-O"
|
|
PRINT " to castle kingside or O-O-O to castle queenside like in English notation."
|
|
PRINT " To exit the game, type QUIT."
|
|
PRINT
|
|
PRINT "Press any key to continue."
|
|
Z$ = INPUT$(1)
|
|
DO
|
|
SCORE = 0
|
|
CALL IO(A, B, X, Y, RESULT)
|
|
CLS
|
|
CALL SHOWBD
|
|
RESULT = EVALUATE(-1, 10000)
|
|
A = BESTA(1)
|
|
B = BESTB(1)
|
|
X = BESTX(1)
|
|
Y = BESTY(1)
|
|
LOOP
|
|
|
|
SUB BISHOP (A, B, XX(), YY(), NDX)
|
|
ID = SGN(BOARD(B, A))
|
|
FOR DXY = 1 TO 7
|
|
X = A - DXY
|
|
Y = B + DXY
|
|
IF X < 0 OR X > 7 OR Y < 0 OR Y > 7 THEN EXIT FOR
|
|
GOSUB 3
|
|
IF BOARD(Y, X) <> 0 THEN EXIT FOR
|
|
NEXT
|
|
FOR DXY = 1 TO 7
|
|
X = A + DXY
|
|
Y = B + DXY
|
|
IF X < 0 OR X > 7 OR Y < 0 OR Y > 7 THEN EXIT FOR
|
|
GOSUB 3
|
|
IF BOARD(Y, X) <> 0 THEN EXIT FOR
|
|
NEXT
|
|
FOR DXY = 1 TO 7
|
|
X = A - DXY
|
|
Y = B - DXY
|
|
IF X < 0 OR X > 7 OR Y < 0 OR Y > 7 THEN EXIT FOR
|
|
GOSUB 3
|
|
IF BOARD(Y, X) <> 0 THEN EXIT FOR
|
|
NEXT
|
|
FOR DXY = 1 TO 7
|
|
X = A + DXY
|
|
Y = B - DXY
|
|
IF X < 0 OR X > 7 OR Y < 0 OR Y > 7 THEN EXIT FOR
|
|
GOSUB 3
|
|
IF BOARD(Y, X) <> 0 THEN EXIT FOR
|
|
NEXT
|
|
EXIT SUB
|
|
3 REM
|
|
IF ID <> SGN(BOARD(Y, X)) THEN
|
|
NDX = NDX + 1
|
|
XX(NDX) = X
|
|
YY(NDX) = Y
|
|
END IF
|
|
RETURN
|
|
END SUB
|
|
|
|
FUNCTION EVALUATE (ID, PRUNE)
|
|
DIM XX(0 TO 26), YY(0 TO 26)
|
|
LEVEL = LEVEL + 1
|
|
BESTSCORE = 10000 * ID
|
|
FOR B = 7 TO 0 STEP -1
|
|
FOR A = 7 TO 0 STEP -1
|
|
IF SGN(BOARD(B, A)) <> ID THEN GOTO 1
|
|
IF (LEVEL = 1) THEN CALL SHOWMAN(A, B, 8)
|
|
CALL MOVELIST(A, B, XX(), YY(), NDX)
|
|
FOR I = 0 TO NDX
|
|
X = XX(I)
|
|
Y = YY(I)
|
|
IF LEVEL = 1 THEN
|
|
LOCATE 1, 1
|
|
PRINT "TRYING: "; CHR$(65 + A); 8 - B; "-"; CHR$(65 + X); 8 - Y
|
|
CALL SHOWMAN(X, Y, 8)
|
|
END IF
|
|
OLDSCORE = SCORE
|
|
MOVER = BOARD(B, A)
|
|
TARGET = BOARD(Y, X)
|
|
CALL MAKEMOVE(A, B, X, Y)
|
|
IF (LEVEL < MAXLEVEL) THEN SCORE = SCORE + EVALUATE(-ID, BESTSCORE - TARGET + ID * (8 - ABS(4 - X) - ABS(4 - Y)))
|
|
SCORE = SCORE + TARGET - ID * (8 - ABS(4 - X) - ABS(4 - Y))
|
|
IF (ID < 0 AND SCORE > BESTSCORE) OR (ID > 0 AND SCORE < BESTSCORE) THEN
|
|
BESTA(LEVEL) = A
|
|
BESTB(LEVEL) = B
|
|
BESTX(LEVEL) = X
|
|
BESTY(LEVEL) = Y
|
|
BESTSCORE = SCORE
|
|
IF (ID < 0 AND BESTSCORE >= PRUNE) OR (ID > 0 AND BESTSCORE <= PRUNE) THEN
|
|
BOARD(B, A) = MOVER
|
|
BOARD(Y, X) = TARGET
|
|
SCORE = OLDSCORE
|
|
IF (LEVEL = 1) THEN CALL SHOWMAN(X, Y, 0)
|
|
IF (LEVEL = 1) THEN CALL SHOWMAN(A, B, 0)
|
|
LEVEL = LEVEL - 1
|
|
EVALUATE = BESTSCORE
|
|
EXIT FUNCTION
|
|
END IF
|
|
END IF
|
|
BOARD(B, A) = MOVER
|
|
BOARD(Y, X) = TARGET
|
|
SCORE = OLDSCORE
|
|
IF (LEVEL = 1) THEN CALL SHOWMAN(X, Y, 0)
|
|
NEXT
|
|
IF (LEVEL = 1) THEN CALL SHOWMAN(A, B, 0)
|
|
1 NEXT
|
|
NEXT
|
|
LEVEL = LEVEL - 1
|
|
EVALUATE = BESTSCORE
|
|
END FUNCTION
|
|
|
|
FUNCTION INCHECK (X)
|
|
DIM XX(27), YY(27), NDX
|
|
FOR B = 0 TO 7
|
|
FOR A = 0 TO 7
|
|
IF BOARD(B, A) >= 0 THEN GOTO 6
|
|
CALL MOVELIST(A, B, XX(), YY(), NDX)
|
|
FOR I = 0 TO NDX STEP 1
|
|
X = XX(I)
|
|
Y = YY(I)
|
|
IF BOARD(Y, X) = 5000 THEN
|
|
PRINT "YOU ARE IN CHECK!"
|
|
PRINT " "
|
|
PRINT " "
|
|
INCHECK = 1
|
|
EXIT FUNCTION
|
|
END IF
|
|
NEXT
|
|
6 NEXT
|
|
NEXT
|
|
INCHECK = 0
|
|
END FUNCTION
|
|
|
|
SUB IO (A, B, X, Y, RESULT)
|
|
DIM XX(0 TO 26), YY(0 TO 26)
|
|
CLS
|
|
IF A >= 0 THEN
|
|
IF RESULT < -2500 THEN
|
|
PRINT "I RESIGN"
|
|
SLEEP
|
|
SYSTEM
|
|
END IF
|
|
PIECE = BOARD(Y, X)
|
|
CALL MAKEMOVE(A, B, X, Y)
|
|
PRINT "MY MOVE: "; CHR$(65 + A); 8 - B; "-"; CHR$(65 + X); 8 - Y
|
|
IF PIECE <> 0 THEN
|
|
PRINT "I TOOK YOUR ";
|
|
IF PIECE = 100 THEN PRINT "PAWN"
|
|
IF PIECE = 270 THEN PRINT "KNIGHT"
|
|
IF PIECE = 300 THEN PRINT "BISHOP"
|
|
IF PIECE = 500 THEN PRINT "ROOK"
|
|
IF PIECE = 900 THEN PRINT "QUEEN"
|
|
IF PIECE = 5000 THEN PRINT "KING"
|
|
END IF
|
|
NULL = INCHECK(0)
|
|
END IF
|
|
DO
|
|
CALL SHOWBD
|
|
VIEW PRINT 24 TO 24
|
|
INPUT "YOUR MOVE: ", IN$
|
|
IF UCASE$(IN$) = "QUIT" THEN CLS : END
|
|
IF UCASE$(IN$) = "O-O" OR IN$ = "0-0" THEN
|
|
IF WCKSFLAG <> 0 THEN GOTO 16
|
|
IF BOARD(7, 7) <> 500 THEN GOTO 16
|
|
IF BOARD(7, 6) <> 0 OR BOARD(7, 5) <> 0 THEN GOTO 16
|
|
BOARD(7, 6) = 5000
|
|
BOARD(7, 4) = 0
|
|
BOARD(7, 5) = 500
|
|
BOARD(7, 7) = 0
|
|
WCKSFLAG = -1
|
|
EXIT SUB
|
|
END IF
|
|
IF UCASE$(IN$) = "O-O-O" OR IN$ = "0-0-0" THEN
|
|
IF WCQSFLAG <> 0 THEN GOTO 16
|
|
IF BOARD(7, 0) <> 500 THEN GOTO 16
|
|
IF BOARD(7, 1) <> 0 OR BOARD(7, 2) <> 0 OR BOARD(7, 3) <> 0 THEN GOTO 16
|
|
BOARD(7, 2) = 5000
|
|
BOARD(7, 4) = 0
|
|
BOARD(7, 3) = 500
|
|
BOARD(7, 0) = 0
|
|
WCQSFLAG = -1
|
|
EXIT SUB
|
|
END IF
|
|
IF LEN(IN$) < 5 THEN GOTO 16
|
|
B = 8 - (ASC(MID$(IN$, 2, 1)) - 48)
|
|
A = ASC(UCASE$(MID$(IN$, 1, 1))) - 65
|
|
X = ASC(UCASE$(MID$(IN$, 4, 1))) - 65
|
|
Y = 8 - (ASC(MID$(IN$, 5, 1)) - 48)
|
|
IF B > 7 OR B < 0 OR A > 7 OR A < 0 OR X > 7 OR X < 0 OR Y > 7 OR Y < 0 THEN GOTO 16
|
|
IF BOARD(B, A) <= 0 THEN GOTO 16
|
|
IF Y = 2 AND B = 3 AND (X = A - 1 OR X = A + 1) THEN
|
|
IF BOARD(B, A) = 100 AND BOARD(Y, X) = 0 AND BOARD(Y + 1, X) = -100 THEN
|
|
IF BESTB(1) = 1 AND BESTA(1) = X THEN
|
|
MOVER = BOARD(B, A)
|
|
TARGET = BOARD(Y, X)
|
|
CALL MAKEMOVE(A, B, X, Y)
|
|
BOARD(Y + 1, X) = 0
|
|
ENPASSANT = -1
|
|
GOTO 15
|
|
END IF
|
|
END IF
|
|
END IF
|
|
CALL MOVELIST(A, B, XX(), YY(), NDX)
|
|
FOR K = 0 TO NDX STEP 1
|
|
IF X = XX(K) AND Y = YY(K) THEN
|
|
MOVER = BOARD(B, A)
|
|
TARGET = BOARD(Y, X)
|
|
INTFLAG = -1
|
|
CALL MAKEMOVE(A, B, X, Y)
|
|
IF MOVER = 5000 THEN
|
|
WCQSOLD = WCQSFLAG
|
|
WCKSOLD = WCKSFLAG
|
|
WCKSFLAG = -1
|
|
WCQSFLAG = -1
|
|
END IF
|
|
IF (A = 0) AND (B = 7) AND (MOVER = 500) THEN
|
|
WCQSOLD = WCQSFLAG
|
|
WCQSFLAG = -1
|
|
END IF
|
|
IF (A = 7) AND (B = 7) AND (MOVER = 500) THEN
|
|
WCKSOLD = WCKSFLAG
|
|
WCKSFLAG = -1
|
|
END IF
|
|
INTFLAG = 0
|
|
15 IF INCHECK(0) = 0 THEN EXIT SUB
|
|
BOARD(B, A) = MOVER
|
|
BOARD(Y, X) = TARGET
|
|
IF ENPASSANT THEN BOARD(Y + 1, X) = -100: ENPASSANT = 0
|
|
IF (A = 0) AND (B = 7) AND (MOVER = 500) THEN WCQSFLAG = WCQSOLD
|
|
IF (A = 7) AND (B = 7) AND (MOVER = 500) THEN WCKSFLAG = WCKSOLD
|
|
IF MOVER = 5000 THEN WCQSFLAG = WCQSOLD
|
|
GOTO 16
|
|
END IF
|
|
NEXT
|
|
16 CLS
|
|
LOOP
|
|
END SUB
|
|
|
|
SUB KING (A, B, XX(), YY(), NDX)
|
|
ID = SGN(BOARD(B, A))
|
|
FOR DY = -1 TO 1
|
|
IF B + DY < 0 OR B + DY > 7 THEN GOTO 12
|
|
FOR DX = -1 TO 1
|
|
IF A + DX < 0 OR A + DX > 7 THEN GOTO 11
|
|
IF ID <> SGN(BOARD(B + DY, A + DX)) THEN
|
|
NDX = NDX + 1
|
|
XX(NDX) = A + DX
|
|
YY(NDX) = B + DY
|
|
END IF
|
|
11 NEXT
|
|
12 NEXT
|
|
END SUB
|
|
|
|
SUB KNIGHT (A, B, XX(), YY(), NDX)
|
|
ID = SGN(BOARD(B, A))
|
|
X = A - 1
|
|
Y = B - 2
|
|
GOSUB 5
|
|
X = A - 2
|
|
Y = B - 1
|
|
GOSUB 5
|
|
X = A + 1
|
|
Y = B - 2
|
|
GOSUB 5
|
|
X = A + 2
|
|
Y = B - 1
|
|
GOSUB 5
|
|
X = A - 1
|
|
Y = B + 2
|
|
GOSUB 5
|
|
X = A - 2
|
|
Y = B + 1
|
|
GOSUB 5
|
|
X = A + 1
|
|
Y = B + 2
|
|
GOSUB 5
|
|
X = A + 2
|
|
Y = B + 1
|
|
GOSUB 5
|
|
EXIT SUB
|
|
5 REM
|
|
IF X < 0 OR X > 7 OR Y < 0 OR Y > 7 THEN RETURN
|
|
IF ID <> SGN(BOARD(Y, X)) THEN NDX = NDX + 1: XX(NDX) = X: YY(NDX) = Y
|
|
RETURN
|
|
END SUB
|
|
|
|
SUB MAKEMOVE (A, B, X, Y)
|
|
BOARD(Y, X) = BOARD(B, A)
|
|
BOARD(B, A) = 0
|
|
IF Y = 0 AND BOARD(Y, X) = 100 THEN
|
|
IF INTFLAG THEN
|
|
DO
|
|
VIEW PRINT 24 TO 24
|
|
INPUT "PROMOTE TO: ", I$
|
|
SELECT CASE UCASE$(I$)
|
|
CASE "KNIGHT", "N", "Kt", "Kt.", "N."
|
|
PROMOTE = 270
|
|
CASE "BISHOP", "B", "B."
|
|
PROMOTE = 300
|
|
CASE "ROOK", "R", "R."
|
|
PROMOTE = 500
|
|
CASE "QUEEN", "Q", "Q."
|
|
PROMOTE = 900
|
|
END SELECT
|
|
LOOP UNTIL PROMOTE <> 0
|
|
BOARD(Y, X) = PROMOTE
|
|
ELSE
|
|
BOARD(Y, X) = -900
|
|
END IF
|
|
END IF
|
|
IF Y = 7 AND BOARD(Y, X) = -100 THEN BOARD(Y, X) = -900
|
|
END SUB
|
|
|
|
SUB MOVELIST (A, B, XX(), YY(), NDX)
|
|
PIECE = INT(ABS(BOARD(B, A)))
|
|
NDX = -1
|
|
IF PIECE = 100 THEN
|
|
CALL PAWN(A, B, XX(), YY(), NDX)
|
|
ELSEIF PIECE = 270 THEN CALL KNIGHT(A, B, XX(), YY(), NDX)
|
|
ELSEIF PIECE = 300 THEN CALL BISHOP(A, B, XX(), YY(), NDX)
|
|
ELSEIF PIECE = 500 THEN CALL ROOK(A, B, XX(), YY(), NDX)
|
|
ELSEIF PIECE = 900 THEN CALL QUEEN(A, B, XX(), YY(), NDX)
|
|
ELSE CALL KING(A, B, XX(), YY(), NDX)
|
|
END IF
|
|
|
|
END SUB
|
|
|
|
SUB PAWN (A, B, XX(), YY(), NDX)
|
|
ID = SGN(BOARD(B, A))
|
|
IF (A - 1) >= 0 AND (A - 1) <= 7 AND (B - ID) >= 0 AND (B - ID) <= 7 THEN
|
|
IF SGN(BOARD((B - ID), (A - 1))) = -ID THEN
|
|
NDX = NDX + 1
|
|
XX(NDX) = A - 1
|
|
YY(NDX) = B - ID
|
|
END IF
|
|
END IF
|
|
IF (A + 1) >= 0 AND (A + 1) <= 7 AND (B - ID) >= 0 AND (B - ID) <= 7 THEN
|
|
IF SGN(BOARD((B - ID), (A + 1))) = -ID THEN
|
|
NDX = NDX + 1
|
|
XX(NDX) = A + 1
|
|
YY(NDX) = B - ID
|
|
END IF
|
|
END IF
|
|
IF A >= 0 AND A <= 7 AND (B - ID) >= 0 AND (B - ID) <= 7 THEN
|
|
IF BOARD((B - ID), A) = 0 THEN
|
|
NDX = NDX + 1
|
|
XX(NDX) = A
|
|
YY(NDX) = B - ID
|
|
IF (ID < 0 AND B = 1) OR (ID > 0 AND B = 6) THEN
|
|
IF BOARD((B - ID - ID), A) = 0 THEN
|
|
NDX = NDX + 1
|
|
XX(NDX) = A
|
|
YY(NDX) = B - ID - ID
|
|
END IF
|
|
END IF
|
|
END IF
|
|
END IF
|
|
|
|
END SUB
|
|
|
|
SUB QUEEN (A, B, XX(), YY(), NDX)
|
|
CALL BISHOP(A, B, XX(), YY(), NDX)
|
|
CALL ROOK(A, B, XX(), YY(), NDX)
|
|
END SUB
|
|
|
|
SUB ROOK (A, B, XX(), YY(), NDX)
|
|
ID = SGN(BOARD(B, A))
|
|
FOR X = A - 1 TO 0 STEP -1
|
|
IF ID <> SGN(BOARD(B, X)) THEN
|
|
NDX = NDX + 1
|
|
XX(NDX) = X
|
|
YY(NDX) = B
|
|
END IF
|
|
IF (BOARD(B, X)) <> 0 THEN EXIT FOR
|
|
NEXT
|
|
FOR X = A + 1 TO 7 STEP 1
|
|
IF ID <> SGN(BOARD(B, X)) THEN
|
|
NDX = NDX + 1
|
|
XX(NDX) = X
|
|
YY(NDX) = B
|
|
END IF
|
|
IF (BOARD(B, X)) <> 0 THEN EXIT FOR
|
|
NEXT
|
|
FOR Y = B - 1 TO 0 STEP -1
|
|
IF ID <> SGN(BOARD(Y, A)) THEN
|
|
NDX = NDX + 1
|
|
XX(NDX) = A
|
|
YY(NDX) = Y
|
|
END IF
|
|
IF (BOARD(Y, A)) <> 0 THEN EXIT FOR
|
|
NEXT
|
|
FOR Y = B + 1 TO 7 STEP 1
|
|
IF ID <> SGN(BOARD(Y, A)) THEN
|
|
NDX = NDX + 1
|
|
XX(NDX) = A
|
|
YY(NDX) = Y
|
|
END IF
|
|
IF (BOARD(Y, A)) <> 0 THEN EXIT FOR
|
|
NEXT
|
|
END SUB
|
|
|
|
SUB SHOWBD
|
|
VIEW PRINT
|
|
LOCATE 3, 30
|
|
COLOR 7, 0
|
|
PRINT "A B C D E F G H"
|
|
FOR K = 0 TO 25
|
|
LOCATE 4, 28 + K
|
|
COLOR 6, 0
|
|
PRINT CHR$(220)
|
|
NEXT
|
|
FOR B = 0 TO 7
|
|
LOCATE 2 * B + 5, 26
|
|
COLOR 7, 0
|
|
PRINT CHR$(56 - B)
|
|
LOCATE 2 * B + 5, 28
|
|
COLOR 6, 0
|
|
PRINT CHR$(219)
|
|
LOCATE 2 * B + 6, 28
|
|
COLOR 6, 0
|
|
PRINT CHR$(219)
|
|
FOR A = 0 TO 7
|
|
IF ((A + B) MOD 2) <> 0 THEN
|
|
COLOUR = 2
|
|
ELSE COLOUR = 15
|
|
END IF
|
|
CALL SQUARE(3 * A + 31, 2 * B + 5, COLOUR)
|
|
NEXT
|
|
LOCATE 2 * B + 5, 53
|
|
COLOR 6, 0
|
|
PRINT CHR$(219)
|
|
LOCATE 2 * B + 6, 53
|
|
COLOR 6, 0
|
|
PRINT CHR$(219)
|
|
LOCATE 2 * B + 6, 55
|
|
COLOR 7, 0
|
|
PRINT CHR$(56 - B)
|
|
NEXT
|
|
FOR K = 0 TO 25
|
|
LOCATE 21, 28 + K
|
|
COLOR 6, 0
|
|
PRINT CHR$(223)
|
|
NEXT
|
|
LOCATE 22, 30
|
|
COLOR 7, 0
|
|
PRINT "A B C D E F G H"
|
|
FOR B = 0 TO 7
|
|
FOR A = 0 TO 7
|
|
CALL SHOWMAN(A, B, 0)
|
|
NEXT
|
|
NEXT
|
|
COLOR 7, 0
|
|
END SUB
|
|
|
|
SUB SHOWMAN (A, B, FLAG)
|
|
IF BOARD(B, A) < 0 THEN BACK = 0
|
|
IF BOARD(B, A) > 0 THEN BACK = 7
|
|
FORE = 7 - BACK + FLAG
|
|
IF BOARD(B, A) = 0 THEN
|
|
IF ((A + B) MOD 2) <> 0 THEN BACK = 2 ELSE BACK = 15
|
|
FORE = BACK + -1 * (FLAG > 0)
|
|
END IF
|
|
N$ = " "
|
|
PIECE = INT(ABS(BOARD(B, A)))
|
|
IF PIECE = 0 THEN N$ = CHR$(219)
|
|
IF PIECE = 100 THEN N$ = "P"
|
|
IF PIECE = 270 THEN N$ = "N"
|
|
IF PIECE = 300 THEN N$ = "B"
|
|
IF PIECE = 500 THEN N$ = "R"
|
|
IF PIECE = 900 THEN N$ = "Q"
|
|
IF PIECE = 5000 OR PIECE = 7500 THEN N$ = "K"
|
|
LOCATE 2 * B + 5 - (BOARD(B, A) > 0), 3 * A + 30
|
|
COLOR FORE, BACK
|
|
PRINT N$
|
|
LOCATE 1, 1
|
|
COLOR 7, 0
|
|
END SUB
|
|
|
|
SUB SQUARE (A, B, C)
|
|
MT$ = CHR$(219)
|
|
MT$ = MT$ + MT$ + MT$
|
|
LOCATE B, A - 2
|
|
COLOR C, C
|
|
PRINT MT$
|
|
LOCATE B + 1, A - 2
|
|
COLOR C, C
|
|
PRINT MT$
|
|
COLOR 7, 0
|
|
END SUB |