... STEP .1: LET
k$=INKEY$: LET x=x+(k$="p ...

... /> 2e3 STEP .1: LET k$=INKEY$: LET
x=x+(k ...

... 2e3 STEP .1: LET k$=INKEY$:
LET x=x+(k ...

[QUOTE=Digital Prawn;208495]Please find my attempt at the mothership code here.[/QUOTE]

Got it! I will check it later tonight.

In the meantime, I took the liberty of improving another one of your games: City Bomber. I made too ...

... />
[CODE]
LET k$=INKEY$:
...
LET i=(a ... /> [CODE]
LET k=CODE INKEY$-48:
...
LET i ... ]
LET k=113-CODE INKEY$:
...
LET i=(a ...

... )+1)="":
LET k=CODE INKEY$-48:
FOR a=1 ...

... )="":
LET k=113-CODE INKEY$:
FOR a=1 TO ...

... )="":
LET k=113-CODE INKEY$:
FOR a=1 TO ...

... )="":
LET k=113-CODE INKEY$:
FOR a=1 TO ...

... )="":
LET k=113-CODE INKEY$:
FOR a=1 TO ...

... f:
LET i=CODE INKEY$-48:
LET d=7 ...

... z:
LET i=CODE INKEY$-48:
LET d=w ...

... f:
LET i=CODE INKEY$-48:
LET d=7 ...

... f:
LET i=CODE INKEY$-48:
LET d=7 ...

... :
LET k=113-CODE INKEY$:
LET x=x+(k ...

Actually you can replace this:

[CODE]
... +26*(NOT v AND INKEY$"")
[/CODE]

with this:

[CODE]
... +26*(v=0)*(INKEY$"")
[/CODE]

... r=RND:
LET i=(INKEY$="7" AND c1):
LET ...

... ]
... +26*(NOT v AND INKEY$"")
[/CODE]

with ... /> [CODE]
... +26*(v=0)*(INKEY$"")
[/CODE][/QUOTE]

[CODE]
....+26*(v=0)*(INKEY$>"")
[/CODE]

... r=RND:
LET i=(INKEY$="7" AND c1):
LET ...

... r:
LET k=CODE INKEY$-48:
[/CODE]

LET k=CODE INKEY$-47:
[/CODE]

... extra positions (using 113-CODE INKEY$).

... extra positions (using 113-CODE INKEY$).[/QUOTE]

There's ... /> [CODE]
LET k=CODE INKEY$-48:
[/CODE]

... at the earlier version with INKEY$ and preferential trade routes. I ...

[QUOTE=Einar Saukas;211780]You can use a similar trick to use reuse k instead of y.[/QUOTE]

I realized it's easier to show the actual code:

[CODE]
1 POKE 23693,7:
LET s=90:
LET c=s:
DIM g(9):
DIM p(9 ...

... m$,m$+m$) like CODE INKEY$ which is different everytime you ...

... m$,m$+m$) like CODE INKEY$ which is different everytime you ...