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Home Vision (updated list on first post!)


Rom Hunter

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In the screenshot on atarimania, the words "SANCHO" and "COPY" are shown. It looks like the same letter graphics are used in the playfield ("Y" and "A" and "C"). If you can find the word SANCHO in the code, could that give you a start at deciphering which values correspond to which letters? Such as:

 

$d3 = S

$c1 = A

$d4 = N

? = C

? = H

$c4 = O

Thanks, but (un?)fortunately Sancho isn't stored encrypted.

 

Yup...apart from the copyright year (which is in BCD format), all of the text as well as the starting items in each of the bands are stored as LSB pointers:

 

LF8E6:;lsb values...boot objects...
   .byte $E8; $F8E6 lower ship
   .byte $C0; $F8E7 y
   .byte $C8; $F8E8 z
   .byte $D0; $F8E9 heart
   .byte $D8; $F8EA rocket?
   .byte $E0; $F8EB balloon?
   .byte $D0; $F8EC heart
   .byte $00; $F8ED a
   .byte $08; $F8EE b
   .byte $10; $F8EF c
   .byte $18; $F8F0 d
   .byte $F0; $F8F1 upper ship

LF8F2:
;contents of text fields to show boot message...lsb values...
   .byte $F8; $F8F2 space
   .byte $10; $F8F3 c
   .byte $70; $F8F4 o
   .byte $78; $F8F5 p
   .byte $C0; $F8F6 y
   .byte $F8; $F8F7 space
   .byte $88; $F8F8 r
   .byte $40; $F8F9 i
   .byte $30; $F8FA g
   .byte $38; $F8FB h
   .byte $98; $F8FC t
   .byte $F8; $F8FD space

   .byte $90; $F8FE s
   .byte $00; $F8FF a
   .byte $68; $F900 n
   .byte $10; $F901 c
   .byte $38; $F902 h
   .byte $70; $F903 o
   .byte $F8; $F904 space
   .byte $10; $F905 c
   .byte $70; $F906 o
   .byte $88; $F907 r
   .byte $78; $F908 p
   .byte $F8; $F909 space

;BCD score values to show copyright year 001983 in both score fields...
   .byte $00; |		| $F90A
   .byte $19; |   XX  X| $F90B
   .byte $83; |X	 XX| $F90C

   .byte $00; |		| $F90D
   .byte $19; |   XX  X| $F90E
   .byte $83; |X	 XX| $F90F

 

ex: A = offset $00 (bitmap at address $FE00), B = offset $08 (address $FE08), and so on down the alphabet. The offset being +8 bytes from each previous letter.

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The code at LF675 IMO proves that the unused code @$f2a4 belongs into the binary and is not an artifact from a different ROM.

 

Yeah...the unused routine would have been adjusting a score. Good catch.

 

Theory:

Possibly related to a planned bonus for building a valid word?. A code module to recognise a "valid" word was apparently never made, so any intended scoring routine would remain unlabelled (just as this one is).

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  • 1 month later...
  • 1 month later...
  • 4 months later...

Great find. Some of those names are weird. Panda Chase is spelled Penda Chase, and it is on Atarimania as Panda Chase with a cart scan of the front label. So is it Panda Chase or Penda Chase? Did they make a mock up for the photo shoot and changed the label by the time of release? I'd like to know what the scanned end label of Panda Chase says.

 

 

~Omega

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I think these end labels were just made for the photo shoot.

 

Sky Aliem is most probably Sky Alien (also shown in the same ad)

Tennis Game is most probably Tennis

Penda Chase is most probably Panda Chase

Skiing Hunt is most probably Ski Hunt

 

Despite that, we have come one step closer in solving the Home Vision puzzle.

 

I'm very curious what the other titles could be.

 

Bird Power could be the same game as The Unknown Game, for example.

 

And Treasure Discovery could be the same game as Treasure Island.

 

 

BTW: can somebody make out the Sharp ... title?

 

8)

Edited by Rom Hunter
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Where did this scan come from?

 

Also notice "Sky Aliem".. these sound decidely Taiwanese in their nomenclature....

 

How many of these carts do we know exist? Though I suspect some may have been renamed before release, so we may know them by other names....

 

Even so... wow. What a find. :) Well done Rom!

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BTW: can somebody make out the Sharp ... title?

 

Looks like "SHARP WOLD" to me. I wasn't sure if the 'O' was an 'E' but it looks too wide. It might be WOLO too, but I can only assume they meant the word "WORLD".

 

You do realise that now Go Go Home Monster is perhaps demoted to the second most sought after PAL item after "SHARP WOLD", as we don't even know the name!

 

On the other hand, I think you'll find it doesn't exist. The other spelling mistakes were renamed, I imagine this was too.

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BTW: can somebody make out the Sharp ... title?

 

Looks like "SHARP WOLD" to me. I wasn't sure if the 'O' was an 'E' but it looks too wide. It might be WOLO too, but I can only assume they meant the word "WORLD".

 

I thought it said SHARP WOLD too. Doesn't make any sense. Maybe Sharp is also spelled wrong?

 

Could be:

SHARK

SHARE

WARP

etc...

 

The other word:

WOOD

GOLD

WORD

WORLD

etc...

 

lots of possibilties.

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Too bad I can't make out the model numbers on the end labels.

 

I could have found a pattern to track down some missing AKA's.

 

I'm almost certain that Play Farm is the same game as Suntek's Farmyard Fun, though.

 

The ad is Italian, btw:

http://www.atarimania.com/zoom_frame.php?T...=PUB&ID=918

 

Who would have thought of that?

 

Here's another one:

http://www.atarimania.com/zoom_frame.php?T...=PUB&ID=922

 

8)

Edited by Rom Hunter
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You do realise that now Go Go Home Monster is perhaps demoted to the second most sought after PAL item after "SHARP WOLD", as we don't even know the name!
Go Go Home Monster has a box and a front label.

 

All other boxed titles on the ads are known to exist, so I truly believe it's out there somewhere.

 

Jacky Jump (AKA Bobby Is Going Home) was even reviewed once:

 

post-6203-1206054132_thumb.jpg

 

And Magic Carpet (AKA Mr. Postman?) shows up in old VCS lists.

 

So who knows...

 

8)

Edited by Rom Hunter
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Great find. Some of those names are weird. Panda Chase is spelled Penda Chase, and it is on Atarimania as Panda Chase with a cart scan of the front label. So is it Panda Chase or Penda Chase? Did they make a mock up for the photo shoot and changed the label by the time of release? I'd like to know what the scanned end label of Panda Chase says.

 

 

~Omega

 

"Panda Chase TM - VCS 83105"

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  • 2 months later...

Some great original artwork coming up.

 

Pictures of Rarity 10 Topy and X'Mission:

http://www.atarimania.com/zoom_frame.php?T...amp;NUM_IMAGE=0

http://www.atarimania.com/zoom_frame.php?T...amp;NUM_IMAGE=0

 

And Cosmic War:

http://www.atarimania.com/zoom_frame.php?T...amp;NUM_IMAGE=0

 

Thanks to Rick Weis!

 

Enjoy.

 

8)

Edited by Rom Hunter
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