Defender by Jim Gerrie

DEFENDER - PUR 80 Youll notice in line 8 the GOTO has no line number. Im taking advantage of the fact that if no line number is provided then Basic assumes line 0, which is the line I want it to go to. This keeps me under the 72 character limit. Lines 1-3 are the ASCII characters in strings for the city. These characters are from the different block characters in the Motorola MC6847 character set, values 128-255. Line 0 sets random starting points for the incoming missiles. Lines 4-5 peek the keyboard input buffer so I can get continuous input in 8 directions using the AWSZ keys. If you hold d...