Meta kil a ud ba vane rami paru ni ti

RUTA T Tat, K
Desert Tank Battle

. j S a ee g«
- The last major stronghold of Robot forces outside the U.R.S" is hidden inancient ba

" castle ruins in the middle of the desert. A fleet of desert hovertanks has beensent

to destroy itand you are the commander. Your tank controls the five remaining 10 PRINT "DESERT TANK BATTLE"
| missiles. XKRAO7O LET TSINT(RNDSI8BI)- Yo
carefully the direction and elevation before you launch each

How the program works

This selects a whole number
between —90 and 90 for the

direction.
an 1-90" (extreme right) and an elevation angle between 0" (along the ground)and aa
| 90' (straight up in the air). The elevation determines the distance the missile will 40 FOR G<1 TO 5 you.
4 travel. 50 PRINT "DIRECTION (-90 TO 90) ?" čiei . bal d
. 60 INPUT Ti your gueszes and puts " zda
Is your aim good enough to destroy the robot stronghold? 70 PRINT "ELEVATION (O TO 90) ?" them in A and B. Mbv
> BO INPUT B E...
AT, Uses your elevation angle to vne |
b;., 90 LET D1<SIN(2% (B/18083. 1416) ) ————— calculate the distance your |
le Ki missile went. (Answer will be
ad | »» between 0 and 1).
s ra —e 1 RANA : IU0 IF ARS(T-T1)<2 AND ABS(D-D1)<.05 THEN GOTO 220 U your
id ' "

110 PRINT "MISSILE LANDED "; Compares your direction

4

120 TFO TI 7 THEN PRINT "TO IHE LEFT "; Le angle with the number %

Iso IF TI 7 THEN PRINI "TO THE RIGHT ";/ Choseninline 20 and prints |
an appropriate message.

I4u II ABS(UDI D) .05 AND Ti" >T THEN PRINT "AND "; om Decides

lavi " 150 IF D-D1>.O5 THEN PRINT "NOT FAR ENOUGH" ;
160 IF Di-D>.05 THEN PRINT "TOO FAR";

170 PRINT too long or short.
180 NEXT G

190 PRINT "DISASTER - YOU FAILED"
200 PRINT "RETREAT IN DISGRACE" "JE ratata tt onda.
210 STOP

k | ki
uka > 220 PRINT "SKABOOOMMM"
Učne, - di 230 PRINT "YOU"VE DONE IT" Prints if you win.
Ra "a 240 STOP
8 m di rana
oz

The above listing will work on a ZX81. For

other computers, make the changes below
J KAOS IEI FT INI(KNDLII 8181) -90

U2O LET | INI(RNDIOD$SIBIS Yo
KA03O LET D<RND(1)
MSO LET D<RND(O)

UVALA

NI zil IMUUVRTIE

>

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