NamcoPlayer Posted January 28, 2021 Share Posted January 28, 2021 I'm now trying to create a Pac-Man hack based on the 1982 Atari game released for the Atari 5200/Atari XL/XE. However, I don't need help with the ghosts and Pac-Man characters since they are visible in the sprite data in the BitHacker program. When making the graphics, I thought: since Pac-Man's fruits graphics for this port aren't that "arcade perfect" I should edit them. I searched all over the room, but it's not visible to me. Can anyone show me how to edit the fruit sprites? Sorry for the question. I'm still at the beginning of making ROM hacks of games and editing the graphics. Quote Link to comment Share on other sites More sharing options...
Rybags Posted January 29, 2021 Share Posted January 29, 2021 The fruit in Pacman would be characters (2 ajoining?) - from the 8K Rom version at least it seems the game uses a character set based at $3000 probably due to elements being animated/modified dynamically. I would say the fruit is probably copied into the character definitions per level since there's a fair variety and you never get more than 1 type on a level. So it could live anywhere within the Rom space and not necessarily based on an 8 byte alignment. To find it, probably just a tool or program to be able to explore the Rom as if it was a bunch of character sets would be sufficient. 1 Quote Link to comment Share on other sites More sharing options...
NamcoPlayer Posted January 29, 2021 Author Share Posted January 29, 2021 2 hours ago, Rybags said: The fruit in Pacman would be characters (2 ajoining?) - from the 8K Rom version at least it seems the game uses a character set based at $3000 probably due to elements being animated/modified dynamically. I would say the fruit is probably copied into the character definitions per level since there's a fair variety and you never get more than 1 type on a level. So it could live anywhere within the Rom space and not necessarily based on an 8 byte alignment. To find it, probably just a tool or program to be able to explore the Rom as if it was a bunch of character sets would be sufficient. Thanks for the tip! I also saw you developed Moon Cresta for the VBXE. Quote Link to comment Share on other sites More sharing options...
+DjayBee Posted January 29, 2021 Share Posted January 29, 2021 Why don't you start from the source code? https://atariwiki.org/wiki/Wiki.jsp?page=PAC-MAN 2 Quote Link to comment Share on other sites More sharing options...
Rybags Posted January 29, 2021 Share Posted January 29, 2021 tep392 produced the Pac-Man arcade modified version, I imagine he'd have plenty of reverse-engineering information. 1 Quote Link to comment Share on other sites More sharing options...
+DjayBee Posted January 29, 2021 Share Posted January 29, 2021 The source I linked to is the original source code of the Atari 8-bit version from Roklan/Atari including the 1982 release mentioned by @NamcoPlayer Quote Link to comment Share on other sites More sharing options...
NamcoPlayer Posted January 29, 2021 Author Share Posted January 29, 2021 12 hours ago, DjayBee said: The source I linked to is the original source code of the Atari 8-bit version from Roklan/Atari including the 1982 release mentioned by @NamcoPlayer 13 hours ago, DjayBee said: Why don't you start from the source code? https://atariwiki.org/wiki/Wiki.jsp?page=PAC-MAN Thanks for the link! Quote Link to comment Share on other sites More sharing options...
+MrFish Posted January 29, 2021 Share Posted January 29, 2021 12 hours ago, Rybags said: tep392 produced the Pac-Man arcade modified version, I imagine he'd have plenty of reverse-engineering information. Pac-Man arcade was a modified version of Atari's Ms. Pac-Man, not Atari 8K Pac-Man. Quote Link to comment Share on other sites More sharing options...
NamcoPlayer Posted February 25, 2021 Author Share Posted February 25, 2021 I noticed the fact that somebody made a Hangly-Man maze hack for the original Pac-Man on the 5200. How do I edit the mazes for this game and Ms. Pac-Man for the 5200 also? Quote Link to comment Share on other sites More sharing options...
tep392 Posted March 23, 2021 Share Posted March 23, 2021 On 1/29/2021 at 1:36 PM, MrFish said: Pac-Man arcade was a modified version of Atari's Ms. Pac-Man, not Atari 8K Pac-Man. Correct. The only exception was the code for the sound of pac eating the ghosts, which I lifted from the 8bit version. 1 Quote Link to comment Share on other sites More sharing options...
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