On Wed, 21 Jan 1998, Jan-Lieuwe Koopmans wrote:
> IN and OUT (and VDP), really haven't got *ANYTHING* to do with ML. IN and
> OUT just let you write or read data through a port. The VDP command let's
> you write to VDP registers. Basically the only ML related command is "USR".
> Ban this one and you get pure basic.
>
MSX programmers can be very creative. One way to use ML without
using USR is by placing your ML routine linked in the HLIST hook (or any
other hook). This way by executing LIST you'll be calling not the BASIC
command, but instead the ML routine. Another way, without using hooks,
could be the CALL command.
Just put in the rules: "no ML allowed" or something like that. It
is more objective and more restrictive.
Ricardo Bittencourt
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