Comments on: Gameboy Color Boot ROM Dumped After 10 Years! http://www.fpgb.org/?p=34 Costis's crazy Gameboy on an FPGA project Thu, 02 Sep 2010 22:56:17 +0000 hourly 1 http://wordpress.org/?v=3.0.1 By: new http://www.fpgb.org/?p=34&cpage=1#comment-724 new Tue, 31 Aug 2010 14:34:50 +0000 http://www.fpgb.org/?p=34#comment-724 A tecnologia da Tv Digital via internet chegou para lhe proporcionar assistir canais ao vivo em seu computador. 452 canais de Tv Digital transmitidos 24h por dia Ao Vivo, sem taxas de assinatura ou mensalidades www.tvdigitalnopc.com.br A tecnologia da Tv Digital via internet chegou para lhe proporcionar assistir canais ao vivo em seu computador.
452 canais de Tv Digital transmitidos 24h por dia Ao Vivo, sem taxas de assinatura ou mensalidades
http://www.tvdigitalnopc.com.br

]]> By: furniture http://www.fpgb.org/?p=34&cpage=1#comment-681 furniture Mon, 30 Aug 2010 01:54:36 +0000 http://www.fpgb.org/?p=34#comment-681 <strong>VERSA-LOK http://pliquid4ssodr.ABABYCLOTHES.INFO/tag/VERSA-LOK+furniture+patio/ : furniture...</strong> VERSA-LOK... VERSA-LOK http://pliquid4ssodr.ABABYCLOTHES.INFO/tag/VERSA-LOK+furniture+patio/ : furniture…

VERSA-LOK…

]]> By: Keith Ó Dúlaigh http://www.fpgb.org/?p=34&cpage=1#comment-124 Keith Ó Dúlaigh Tue, 22 Jun 2010 13:51:26 +0000 http://www.fpgb.org/?p=34#comment-124 Nice, I don't suppose you have a dump of the ROM from a standard GB or GB Pocket that you would be willing to share? Nice, I don’t suppose you have a dump of the ROM from a standard GB or GB Pocket that you would be willing to share?

]]> By: George Hotz http://www.fpgb.org/?p=34&cpage=1#comment-60 George Hotz Fri, 06 Nov 2009 10:36:12 +0000 http://www.fpgb.org/?p=34#comment-60 Awesome job! Thanks for writing it up Awesome job! Thanks for writing it up

]]> By: The CronoLink http://www.fpgb.org/?p=34&cpage=1#comment-34 The CronoLink Wed, 30 Sep 2009 01:45:01 +0000 http://www.fpgb.org/?p=34#comment-34 Forgive my stupid question but why the need to dump the GBC boot rom? Forgive my stupid question but why the need to dump the GBC boot rom?

]]> By: Carter Cole http://www.fpgb.org/?p=34&cpage=1#comment-33 Carter Cole Wed, 30 Sep 2009 01:08:22 +0000 http://www.fpgb.org/?p=34#comment-33 sweet good job and thanks for the work sweet good job and thanks for the work

]]> By: Dan http://www.fpgb.org/?p=34&cpage=1#comment-32 Dan Tue, 29 Sep 2009 22:28:10 +0000 http://www.fpgb.org/?p=34#comment-32 Two questions I'm curious about: In order to better glitch the system, did you ever consider: 1. Controlling the CPU's voltage via FPGA I/O lines and a speedy DAC to cut the power for a fraction of a second? (You'd have to bypass the decouplers for this, and hope there isn't an integrated LDO (which I'm sure some better-funded groups would physically bypass)). 2. Controlling the CPU's voltage on a longer term basis (but very accurately) with an LM317? 3. Try operating the unit at a higher temperature, say, 80C? #2 and #3 seem like potential strategies when you have a chip that can run at several times it's standard operating frequency without problems. We just have to induce those problems. Get the CPU to a state where it can barely operate, and glitching should be much simpler and predictable, right? Two questions I’m curious about:

In order to better glitch the system, did you ever consider:
1. Controlling the CPU’s voltage via FPGA I/O lines and a speedy DAC to cut the power for a fraction of a second? (You’d have to bypass the decouplers for this, and hope there isn’t an integrated LDO (which I’m sure some better-funded groups would physically bypass)).
2. Controlling the CPU’s voltage on a longer term basis (but very accurately) with an LM317?
3. Try operating the unit at a higher temperature, say, 80C?

#2 and #3 seem like potential strategies when you have a chip that can run at several times it’s standard operating frequency without problems. We just have to induce those problems. Get the CPU to a state where it can barely operate, and glitching should be much simpler and predictable, right?

]]> By: Arty2 http://www.fpgb.org/?p=34&cpage=1#comment-31 Arty2 Tue, 29 Sep 2009 20:06:40 +0000 http://www.fpgb.org/?p=34#comment-31 First page in Shlashdot, excellent fellow homelander. Και εις ανώτερα :) Kai an katatuxi brethei kapoio tetoio sta xeria sou (http://bulbapedia.bulbagarden.net/wiki/PokéWalker) rikse tou mia matia ;) First page in Shlashdot, excellent fellow homelander.
Και εις ανώτερα :)

Kai an katatuxi brethei kapoio tetoio sta xeria sou (http://bulbapedia.bulbagarden.net/wiki/PokéWalker) rikse tou mia matia ;)

]]> By: Arbee http://www.fpgb.org/?p=34&cpage=1#comment-19 Arbee Tue, 29 Sep 2009 01:08:06 +0000 http://www.fpgb.org/?p=34#comment-19 MESS already supports this ROM if you pull current SVN. Great work by Costis on the dump, I thought we'd never see this :) MESS already supports this ROM if you pull current SVN. Great work by Costis on the dump, I thought we’d never see this :)

]]> By: Rena http://www.fpgb.org/?p=34&cpage=1#comment-17 Rena Mon, 28 Sep 2009 23:50:38 +0000 http://www.fpgb.org/?p=34#comment-17 Nice! Maybe the disassembly will uncover some interesting things for homebrew. If nothing else, now emulators can have the boot screen and correct palettes. :p Have you considered any difference between the actual GBC ROM and the one in the GBA? Nice! Maybe the disassembly will uncover some interesting things for homebrew. If nothing else, now emulators can have the boot screen and correct palettes. :p

Have you considered any difference between the actual GBC ROM and the one in the GBA?

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