On 9/28/2015 10:20 AM, Eric Auer wrote:
> Hi Marlon / Kaye,
>
> to use DEBUG to change what is LPT1, you put the I/O port at
> some memory location (378 for LPT1, 278 for LPT2, 3bc for LPT3)
> which you can do for example like this:
>
> debug
> d 40:08 l 6
>
> This shows you the current settings, e.g. 78 03 78 02 00 00
> if you have LPT1 and LPT2 installed but not LPT3.
>
> a 40:08
>
> This starts a session of "enter assembly code"...
>
> dw 278
> dw 378
>
> You leave the edit session by entering an empty line, now
> you get a "-" prompt again. Check the results:
>
> d 40:08 l 6
>
That's not necessary this way, with the option of "-e" (for "edit"), you 
can enter new values in those memory addresses directly...

Ralf

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