04-11-18 03:33 Shaun Bebbington wrote to All about Something strange going o
Howdy! Shaun,

 SB> {at}MSGID: 
 SB> Hi,

 SB> I found something odd today in the powerful CBM BASIC v2.0.

 SB> Having worked with Sinclair BASIC quite a lot recently, I use GOTO X
 SB> where X is a valid line number (i.e., LET X = 100). But I know that's
 SB> not possible with Microsoft BASIC. Of course there is the ON X GO TO
 SB> 100,200 ...

 SB> So I thought "I know, I'll try and use a function, could CBM BASIC use
 SB> this as a look up table". The following, I expected to go to the value
 SB> in the function A() which returns 10, but...

 SB> 0 DEF FN A(X) = 10
 SB> 1 PRINT FN A(0)
 SB> 2 GO TO FN A(0)
 SB> 3 PRINT "END GRACEFULLY"
 SB> 4 END
 SB> 10 PRINT "STOP"
 SB> 11 STOP

 SB> Try it for yourself. What's going on here?

 SB> Thanks in advance.

X isn't given a VALUE yet.   I "think" (TM).



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