43795ab11a
(An improved version in conjunction with ktcc can generate executable files.) git-svn-id: svn://kolibrios.org@8733 a494cfbc-eb01-0410-851d-a64ba20cac60
230 lines
5.4 KiB
QBasic
230 lines
5.4 KiB
QBasic
REM
|
|
REM --- Tiny BASIC Interpreter and Compiler Project
|
|
REM --- Hunt the Wumpus Demonstration Game
|
|
REM
|
|
REM --- Released as Public Domain by Damian Gareth Walker 2019
|
|
REM --- Created: 08-Aug-2019
|
|
REM
|
|
|
|
REM --- Variable List
|
|
REM
|
|
REM A - Bat 1 position
|
|
REM B - Bat 2 position
|
|
REM C - Player position
|
|
REM D - Destination to move or shoot
|
|
REM E - exit 1 from the current cave
|
|
REM F - exit 2 from the current cave
|
|
REM G - exit 3 from the current cave
|
|
REM H - Hole 1 (bottomless pit) position
|
|
REM I - Hole 2 (bottomless pit) position
|
|
REM J - Randomised position for player or hazard
|
|
REM K - origin location of arrow in motion (before L)
|
|
REM L - previous location of arrow in motion
|
|
REM M - menu option for move or shoot
|
|
REM N - range for arrow shot
|
|
REM P - parameter to the 'exits' routine
|
|
REM Q - number of arrows in quiver
|
|
REM R - random number
|
|
REM S - random number generator seed
|
|
REM W - Wumpus position
|
|
|
|
REM --- Intialise the random number generator
|
|
PRINT "Think of a number"
|
|
INPUT S
|
|
|
|
REM --- Initialise the player and hazard positions
|
|
LET A=0
|
|
LET B=0
|
|
LET C=0
|
|
LET H=0
|
|
LET I=0
|
|
LET W=0
|
|
|
|
REM --- Fill the player's quiver
|
|
LET Q=5
|
|
|
|
REM --- Distribute the player and hazards across the map
|
|
GOSUB 130
|
|
LET A=J
|
|
GOSUB 130
|
|
LET B=J
|
|
GOSUB 130
|
|
LET C=J
|
|
GOSUB 130
|
|
LET H=J
|
|
GOSUB 130
|
|
LET I=J
|
|
GOSUB 130
|
|
LET W=J
|
|
|
|
REM --- Introductory text
|
|
PRINT "You enter the caves to Hunt the Wumpus!"
|
|
|
|
REM --- Main Game Loop
|
|
30 PRINT "You are in room ",C
|
|
LET P=C
|
|
GOSUB 200
|
|
GOSUB 50
|
|
PRINT "Exits are ",E,",",F,",",G
|
|
35 PRINT "1:Move or 2:Shoot?"
|
|
INPUT M
|
|
IF M<1 THEN GOTO 35
|
|
IF M>2 THEN GOTO 35
|
|
IF M=1 THEN GOSUB 120
|
|
IF M=2 THEN GOSUB 150
|
|
GOTO 30
|
|
|
|
REM --- Subroutine to check for hazards
|
|
|
|
REM Has the player encountered a bat?
|
|
50 IF C<>A THEN IF C<>B THEN GOTO 60
|
|
PRINT "A bat swoops down and picks you up..."
|
|
GOSUB 100
|
|
PRINT "...and drops you down"
|
|
LET P=C
|
|
GOSUB 200
|
|
|
|
REM Has the player fallen in a pit?
|
|
60 IF C<>H THEN IF C<>I THEN GOTO 65
|
|
PRINT "You fall down a bottomless hole into the abyss!"
|
|
END
|
|
|
|
REM Has the player startled the wumpus?
|
|
65 IF C<>W THEN GOTO 70
|
|
PRINT "You stumble upon the wumpus!"
|
|
GOSUB 90
|
|
PRINT "The wumpus runs away!"
|
|
|
|
REM Is there a pit nearby?
|
|
70 IF E<>H THEN IF F<>H THEN IF G<>H THEN GOTO 72
|
|
GOTO 73
|
|
72 IF E<>I THEN IF F<>I THEN IF G<>I THEN GOTO 75
|
|
73 PRINT "You feel a cold wind blowing from a nearby cavern."
|
|
|
|
REM Is the wumpus nearby?
|
|
75 IF E<>W THEN IF F<>W THEN IF G<>W THEN GOTO 80
|
|
PRINT "You smell something terrible nearby."
|
|
|
|
REM Is there a bat nearby?
|
|
80 IF E<>A THEN IF F<>A THEN IF G<>A THEN GOTO 82
|
|
GOTO 83
|
|
82 IF E<>B THEN IF F<>B THEN IF G<>B THEN GOTO 84
|
|
83 PRINT "You hear a loud squeaking and a flapping of wings."
|
|
84 RETURN
|
|
|
|
REM --- Relocate the Wumpus
|
|
90 GOSUB 140
|
|
LET R=R-(R/4*4)
|
|
IF R=1 THEN LET W=E
|
|
IF R=2 THEN LET W=F
|
|
IF R=3 THEN LET W=G
|
|
IF W<>C THEN RETURN
|
|
PRINT "The wumpus eats you!"
|
|
END
|
|
|
|
REM --- Relocate bat and player
|
|
100 GOSUB 140
|
|
LET R=R-(R/4*4)
|
|
IF R=0 THEN RETURN
|
|
LET P=C
|
|
GOSUB 200
|
|
IF R=1 THEN LET D=E
|
|
IF R=2 THEN LET D=F
|
|
IF R=3 THEN LET D=G
|
|
IF D<>A THEN IF D<>B THEN GOTO 110
|
|
GOTO 100
|
|
110 PRINT "...moves you to room ",D,"..."
|
|
IF A=C THEN LET A=D
|
|
IF B=C THEN LET B=D
|
|
LET C=D
|
|
GOTO 100
|
|
|
|
REM --- Subroutine to move
|
|
120 PRINT "Where?"
|
|
INPUT D
|
|
IF D<>E THEN IF D<>F THEN IF D<>G THEN GOTO 120
|
|
LET C=D
|
|
RETURN
|
|
|
|
REM -- Find a random unoccupied position
|
|
130 GOSUB 140
|
|
LET J=1+R-R/20*20
|
|
IF J<>A THEN IF J<>B THEN IF J<>C THEN GOTO 134
|
|
GOTO 130
|
|
134 IF J<>H THEN IF J<>I THEN IF J<>W THEN RETURN
|
|
GOTO 130
|
|
|
|
REM --- Random number generator
|
|
140 LET S=5*S+35
|
|
LET S=S-S/4096*4096
|
|
LET R=S
|
|
RETURN
|
|
|
|
REM --- Subroutine to shoot
|
|
150 PRINT "Shoot how far (1-5)?"
|
|
INPUT N
|
|
IF N<1 THEN GOTO 150
|
|
IF N>5 THEN GOTO 150
|
|
LET P=C
|
|
LET L=0
|
|
160 GOSUB 200
|
|
LET K=L
|
|
LET L=P
|
|
PRINT "Arrow is next to rooms ",E,",",F,",",G
|
|
164 PRINT "Shoot where?"
|
|
INPUT P
|
|
IF P<>E THEN IF P<>F THEN IF P<>G THEN GOTO 180
|
|
IF P=K THEN GOTO 185
|
|
IF P=W THEN GOTO 195
|
|
LET N=N-1
|
|
IF N>0 THEN GOTO 160
|
|
LET Q=Q-1
|
|
PRINT "The arrow startles the wumpus."
|
|
LET P=W
|
|
GOSUB 200
|
|
GOSUB 90
|
|
IF Q=0 THEN GOTO 190
|
|
PRINT "You have ",Q," arrows left."
|
|
RETURN
|
|
180 PRINT "The arrow can't reach there."
|
|
GOTO 164
|
|
185 PRINT "The arrow can't double back on itself."
|
|
GOTO 164
|
|
190 PRINT "You used your last arrow!"
|
|
PRINT "Your demise is now inevitable."
|
|
END
|
|
195 PRINT "You hit the wumpus!"
|
|
END
|
|
|
|
REM --- Subroutine to set the exits
|
|
REM Input: P - current position
|
|
REM Outputs: E, F, G (exits)
|
|
200 IF P>=1 THEN IF P<=20 THEN GOTO 205
|
|
PRINT "Illegal position ",P
|
|
END
|
|
205 GOTO 200+10*((14+P)/10)
|
|
|
|
REM --- Outer caves
|
|
210 LET E=P-1
|
|
IF E=0 THEN LET E=5
|
|
LET F=P+1
|
|
IF F=6 THEN LET F=1
|
|
LET G=4+2*P
|
|
RETURN
|
|
|
|
REM --- Middle caves
|
|
220 LET E=P-1
|
|
IF E=5 THEN LET E=15
|
|
LET F=P+1
|
|
IF F=16 THEN LET F=6
|
|
IF P/2*2<>P THEN LET G=13+P/2
|
|
IF P/2*2=P THEN LET G=P/2-2
|
|
RETURN
|
|
|
|
REM --- Inner caves
|
|
230 LET E=P-1
|
|
IF E=15 THEN LET E=20
|
|
LET F=P+1
|
|
IF F=21 THEN LET F=16
|
|
LET G=2*P-25
|
|
RETURN |