Rocket!!

IFBN=247ORBN=227THENPOKEZX,32 00T 0100
IFBN=77THENVO=1:00102210
IFBN=160THEN2250
IF EN=2 8 0 REN=9 3 0 PEN=7 0 T HENVA=1
IPBN=103THENPOKEZX+42,2.2:00T02210
IFDN=121THENPOKETSiS63,S2VA=1:00T02210
IFBN=95THENII=1:POKET3+90032

DATA000,000,000,000,000,000,000,000
DATA000,000,000,000,000,000,000,000
DATA000,000,000,000,000,000,005,064
DATA002,085,079,042,083,255,170,085
DATA255,042,085,255,002,085,079,000
DATA005,064,000,000,000,000,000,000

1 LET m=1:PRINT"Is bhbbhbbbbe bbe . bbob"
2 POKE USR"0",0
3 INK 7: BORDER 7
4 LET t1=0:LET t2=0
5 PRINT INT(PT8*10.4)
6 LEVEL(1)TO
7 EN COTO5
8 COSUB 2020
9 LET*0.8:LETss2.0:LETce
10 LET 1.1:3"GUSO8200
11 GUSU81000
12 LET s1-50
13 IF BAT7T R2(1,,INT 15)<>58 AND A
14 N(aT.N(INT b)<>59 THEN PRINT AT
15 INK 4)"d"
16 GIOF INT 15.15 THE N FOR 1.10
17 TO 20.PRINT AT a.INT b."+".BEEP
18 TEP.01.LET PTA.INT bJ"*"
19 BEEP
20 NEXT"",LET as.as4.1
21 INT b.
22 AT PO.R30I.4Na sT(10>.INVERSE 1.ss
23 PSU GRB 20I 00
24 108 GIOF a s>29 THEN GOT O 21 eo
25 IF INT b>8 THE N PRINT AT s-