REM
REM --- Tiny BASIC Interpreter and Compiler Project
REM --- Hunt the Hurkle Demostration Game
REM
REM --- Released as Public Domain by Damian Gareth Walker 2019
REM --- Created: 11-Aug-2019
REM
REM --- Variables
REM G: hurkle column
REM H: hurkle row
REM M: moves taken
REM R: random number seed
REM X: player guess column
REM Y: player guess row
REM --- Initialise the random number generator
PRINT "Think of a number."
INPUT R
IF R<0 THEN LET R=0
IF R>4095 THEN LET R=4095
REM --- Initialise the game
GOSUB 200
LET G=R-(R/10*10)
GOSUB 200
LET H=R-(R/10*10)
LET M=0
REM --- Input player guess
30 PRINT "Where is the hurkle? Enter column then row."
INPUT X,Y
IF X>=0 THEN IF X<=9 THEN IF Y>=0 THEN IF Y<=9 THEN GOTO 40
PRINT "That location is off the grid!"
GOTO 30
REM --- Process player guess
40 LET M=M+1
PRINT "The Hurkle is..."
IF G<X THEN IF H<Y THEN PRINT "...to the northwest."
IF G=X THEN IF H<Y THEN PRINT "...to the north."
IF G>X THEN IF H<Y THEN PRINT "...to the northeast."
IF G>X THEN IF H=Y THEN PRINT "...to the east."
IF G>X THEN IF H>Y THEN PRINT "...to the southeast."
IF G=X THEN IF H>Y THEN PRINT "...to the south."
IF G<X THEN IF H>Y THEN PRINT "...to the southwest."
IF G<X THEN IF H=Y THEN PRINT "...to the west."
IF G=X THEN IF H=Y THEN GOTO 60
IF M>6 THEN GOTO 70
PRINT "You have taken ",M," turns so far."
GOTO 30
REM --- Player has won
60 PRINT "...RIGHT HERE!"
PRINT "You took ",M," turns to find it."
END
REM --- Player has lost
70 PRINT "You have taken too long over this. You lose!"
END
REM --- Random number generator
REM Input: R - current seed
REM Outputs: R - updated seed
200 LET R=5*R+35
LET R=R-R/4096*4096
RETURN