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einar · 2013-08-20, 04:10 PM

Trying to compile the sub-routine below...

Code:
sub test()
    asm
        ex af,af'               ; A'=player
    end asm
end sub

...produces this error message:

Quote:C:\...\zxbasic-1.3.0s1022\dist>zxb test.bas
test.bas:4: Error: illegal preprocessor character '='

However the following sub-routine compiles just fine:

Code:
sub test()
    asm
        ex af,af'               ; A=player
    end asm
end sub

This other sub-routine also compiles just fine:

Code:
sub test()
    asm
        exx                     ; A'=player
    end asm
end sub

ZX BASIC parser is obviously misunderstanding those two apostrophes in the first case.