| A stupid idea for improving Laser 128 compatibility [message #394578] |
Fri, 15 May 2020 14:19  |
Steve Nickolas
Messages: 2036
Registered: October 2012
Karma: 0
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I'm kinda curious.
I've occasionally run into stuff that doesn't work on a Laser 128, and I'm
kinda wondering if it might be possible to modify the Apple //e or //c
firmware to work on a Laser 128 and improve its compatibility.
(I know that some 48K stuff works better when you load an Apple ][ or ][+
firmware onto the LC and run it from there.)
-uso.
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| Re: A stupid idea for improving Laser 128 compatibility [message #394628 is a reply to message #394602] |
Sat, 16 May 2020 23:01  |
gids.rs
Messages: 1395
Registered: October 2012
Karma: 0
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Senior Member |
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I don’t know what you mean by improving it. Personally I like the Laser ROM better than the Apple ROM.
It’s faster. It has a way better monitor listing. I ported the Monitor lister over to work on a IIe. I use it instead of the built-in Apple one.
I have all the firmware hex dumps from a Laser 128EX. I have heard of some upgrading their Laser 128 ROM to the latest ROM version that normally goes into a Laser 128EX and have it working.
ICBM about the regular Laser 128 ROM though, as I haven’t seen its ROM listing yet, but I am sure the 128EX’s ROM has been vastly improved.
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| Re: A stupid idea for improving Laser 128 compatibility [message #394639 is a reply to message #394628] |
Sun, 17 May 2020 05:08 |
Steve Nickolas
Messages: 2036
Registered: October 2012
Karma: 0
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Senior Member |
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On Sat, 16 May 2020, I am Rob wrote:
> I don’t know what you mean by improving it. Personally I like the Laser
> ROM better than the Apple ROM.
>
> It’s faster. It has a way better monitor listing. I ported the Monitor
> lister over to work on a IIe. I use it instead of the built-in Apple
> one.
>
> I have all the firmware hex dumps from a Laser 128EX. I have heard of
> some upgrading their Laser 128 ROM to the latest ROM version that
> normally goes into a Laser 128EX and have it working.
>
> ICBM about the regular Laser 128 ROM though, as I haven’t seen its ROM
> listing yet, but I am sure the 128EX’s ROM has been vastly improved.
A few of the less common entry points don't work, breaking stuff. There's
actually been a couple games - I can't remember which, it's been 25 years
since I last touched a Laser 128 - that only worked if you ran them from
the original version of INTBASIC, precisely because it loaded the Apple
][+ monitor ROM into RAM and used that in place of the ROM.
Actually, my favorite ROM is EDM, which forgoes the built-in diagnostics
for an improved monitor.
-uso.
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