Recent ROM additions to classic Williams games

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Archived from groups: alt.games.mame (More info?)

Noted with .92 that there were ROMs added to the Williams classics:
Robotron, Bubbles, Defender, etc.

Checked MAWS, no mention of what, or why. Can someone shed some insight?

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[Guest]

Archived from groups: alt.games.mame (More info?)

Peale schrieb:
> Noted with .92 that there were ROMs added to the Williams classics:
> Robotron, Bubbles, Defender, etc.
>
> Checked MAWS, no mention of what, or why. Can someone shed some insight?

MAWS mentioned it. The sets are listed on the "new & changed" page.

 

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Archived from groups: alt.games.mame (More info?)

Roman Scherzer <romanN0Sp4Mscherzer@t-online.de> wrote in
news:cut63e$26t$00$1@news.t-online.com:

> Peale schrieb:
>> Noted with .92 that there were ROMs added to the Williams classics:
>> Robotron, Bubbles, Defender, etc.
>>
>> Checked MAWS, no mention of what, or why. Can someone shed some
>> insight?
>
> MAWS mentioned it. The sets are listed on the "new & changed" page.

Yes, it states that it was changed. Not why. And by 'what' I don't mean
what ROMs, but what the addition of these ROMs does.

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[Guest]

Archived from groups: alt.games.mame (More info?)

> Yes, it states that it was changed. Not why. And by 'what' I don't mean
> what ROMs, but what the addition of these ROMs does.
>

Well...the missing proms were added to the drivers.

 

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Archived from groups: alt.games.mame (More info?)

Roman Scherzer <romanN0Sp4Mscherzer@t-online.de> wrote in
news:cutdk8$b5e$03$1@news.t-online.com:

>
>> Yes, it states that it was changed. Not why. And by 'what' I don't
>> mean what ROMs, but what the addition of these ROMs does.
>>
>
> Well...the missing proms were added to the drivers.

And what do they do? I note they're named 'decoder'

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[Guest]

Archived from groups: alt.games.mame (More info?)

A logic chip is a set of gates that have an input and an output such as AND,
OR, NOR, etc. A small prom has inputs and outputs so it also could be
considered a programmable logic gate instead of just storing data. A
decoder has an input of binary values and outputs individual lines related
to the binary number. Since that's simple logic it's not required by MAME
to emulate the games, but for preservation purposes should be included in
the rom sets.

Dave



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