10 REM           WHIRLYBIRD
11 REM
12 REM          FRANK LINDSEY
13 REM          RT. 14 BOX 74
14 REM          BOWLING GREEN
15 REM          KENTUCKY, USA
16 REM          (502)781-3117
17 REM
18 REM LET'S HEAR IT FOR FREE SOFTWARE!
19 REM
20 REM LET'S ALSO HEAR IT FOR MAKING A
21 REM BUCK. WATCH FOR MY OTHER COMMER-
22 REM CIALLY AVAILABLE PROGRAMS.
23 REM
100 PRINT"[147][142]":POKE53280,0:POKE53281,0
200 PRINT" PREVENT ENEMY HELICOPTERS FROM FLYING"
210 PRINT"      OUT OF VIEW ON EITHER SIDE."
220 PRINT" ENEMY HELICOPTERS CAN BE SHOT WITH THE"
230 PRINT"     CONTINUOUS FIRE MACHINE GUN OR
240 [153]"             WHEN NECESSARY
250 PRINT"   WITH ONE OF FIVE NUCLEAR MISSLES."
260 PRINT"    IF ENEMY HELICOPTER REACHES SIDE"
270 PRINT"         THEN YOU WILL BE SHOT."
280 PRINT"        *PRESS ANY KEY TO START*"
320 C=2
330 L=L+1:IFL=3THENL=0:C=C+1:IFC=16THENC=1
340 C1=C:L1=L
350 PRINT"":K=0
360 POKE646,C1:PRINT"               WHIRLYBIRD
365 [161]A$:[139]A$[179][177]""[167][158]3022
370 L1[178]L1[170]1:[139]L1[178]3[167]L1[178]0:C1[178]C1[170]1:[139]C1[178]16[167]C1[178]1
380 K[178]K[170]1:[139]K[179][177]8[167]360
390 [137]330