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GB68k: Gameboy Emulator for 68k Calcs
Posted by Michael on 13 May 2005, 17:12 GMT

The idea has been floating around for years, but Ben Ingram is now the first person to implement a Nintendo Gameboy emulator that runs on the 89, 92+, and Voyage 200. GB68k is still under development, but so far features partial emulation of the Gameboy and its features, enough to get some games to work. I'm not very familiar with the innards of a Gameboy, but the readme lists specifically what is not yet emulated (things such as "Real time clock on MBC3" and "Sprite priority behind background layer"). This wonderful program reminds me of Tezxas, the ZX Spectrum emulator.

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Re: GB68k: Gameboy Emulator for 68k Calcs
Exbzurg Account Info
(Web Page)

anyone notice that the ti-85 emulator for the nintendo ds has been updated? click link above http://ds.rorexrobots.com/calc/ . it now runs 82,83,85, and 86 but with problems. Ti-calc needs to update the article.
[/offtopic]

Reply to this comment    15 May 2005, 11:23 GMT


Re: Re: GB68k: Gameboy Emulator for 68k Calcs
Rob van Wijk  Account Info

Anybody feel like writing a DS emu for the 68K calcs, then we could emulate an 85 on the 89. ;)

Reply to this comment    17 May 2005, 03:47 GMT

Re: Re: Re: GB68k: Gameboy Emulator for 68k Calcs
Master_Zog  Account Info

Right, I'll get right on it.

Reply to this comment    17 May 2005, 05:04 GMT


Re: Re: Re: GB68k: Gameboy Emulator for 68k Calcs
Chris Williams  Account Info

That's worse than running VTI on a PC emulator on a Mac!

Reply to this comment    17 May 2005, 06:18 GMT

Re: Re: Re: Re: GB68k: Gameboy Emulator for 68k Calcs
Rakka Account Info

Thats what I'm doing right now :-)

Reply to this comment    17 May 2005, 08:37 GMT


Re: Re: Re: Re: GB68k: Gameboy Emulator for 68k Calcs
Shawn Zhang  Account Info

That might not be so bad if you have a top of the line PowerPC G5

Reply to this comment    17 May 2005, 21:09 GMT

Re: Re: Re: Re: Re: GB68k: Gameboy Emulator for 68k Calcs
Rakka Account Info

however, if you don't, vti runs slower than the physical calc itself...

Reply to this comment    17 May 2005, 21:52 GMT


Re: Re: Re: Re: Re: Re: GB68k: Gameboy Emulator for 68k Calcs
Rob van Wijk  Account Info

To have VTI run slower than an actual calc doesn't require running a PC emulator on a Mac, a PC with a 120 MHz Pentium I will do just fine (especially with skin). ;)

Reply to this comment    18 May 2005, 01:23 GMT

Re: Re: Re: Re: Re: Re: Re: GB68k: Gameboy Emulator for 68k Calcs
Rakka Account Info

I wouldn't want to go that far :-)

Reply to this comment    18 May 2005, 02:31 GMT


Re: Re: Re: Re: Re: Re: Re: GB68k: Gameboy Emulator for 68k Calcs
slimey_limey  Account Info
(Web Page)

Ditto for my formerly functional 166/64M/5G.

Reply to this comment    20 May 2005, 18:33 GMT


Re: Re: Re: Re: Re: GB68k: Gameboy Emulator for 68k Calcs
Shawn Zhang  Account Info

According to Apple's G5 vs. P4 benchmark, with a dual processor 2.5GHz PowerMac G5 against a 3.6GHz Pentium 4 with HTT, the Pentium 4 ran at less than half the speed of the G5s. Therefore, a PowerMac G5 should be able to flawlessly emulate a 3.6GHz P4 at faster than the actual speed...

Reply to this comment    20 May 2005, 21:17 GMT

Re: Re: Re: Re: Re: Re: GB68k: Gameboy Emulator for 68k Calcs
Chris Williams  Account Info

Not quite. There's a lot of overhead involved with emulating a different processor. It would be about an order of magnitude slower than a real processor, though it really depends on a lot of factors.

Reply to this comment    21 May 2005, 03:14 GMT


Re: Re: Re: Re: Re: Re: GB68k: Gameboy Emulator for 68k Calcs
Rob van Wijk  Account Info

No, it does not. Read my comment above about VTI running slower then an actual calc on my old 120 MHz computer. If a 120 MHz 32 bit Pentium cannot emulate a 6 MHz 8 bit Z80, then your ideas about a Mac emulating a PC certainly ain't gonna work.

Reply to this comment    21 May 2005, 23:46 GMT

Re: GB68k: Gameboy Emulator for 68k Calcs
srunni Account Info
(Web Page)

If anybody is interested, a site with a lot of free gameboy roms is "www.romreactor.net". They have hundreds of roms in many languages. Just one warning: certain "adult" ads pop up on the site if you don't have a pop-up blocker.

Reply to this comment    18 May 2005, 20:46 GMT

Re: Re: GB68k: Gameboy Emulator for 68k Calcs
Chris Williams  Account Info

They're not pop-up windows. They are pop-up layers inside the page, so they're harder to detect and block.

All you have to do is somehow block the domain "www.fickmaus.net". I just put it in my /etc/hosts file with the IP address 0.0.0.0.

Reply to this comment    18 May 2005, 23:22 GMT


Re: Re: Re: GB68k: Gameboy Emulator for 68k Calcs
Chris Williams  Account Info

Oh, and block "www.ultragirls.net" and "lustmolch.tv" as well. Those three seem to be the main origins of the ads.

Reply to this comment    18 May 2005, 23:27 GMT


Re: Re: Re: Re: GB68k: Gameboy Emulator for 68k Calcs
srunni Account Info
(Web Page)

Well, having ZoneAlarm has stopped all the ads from appearing. I know they aren't a new window like the normal pop-ups; the toolbar at the top of the windows looks different and the window doesn't appear at the bottom of screen next to the start bar.

Reply to this comment    19 May 2005, 20:10 GMT


Re: Re: GB68k: Gameboy Emulator for 68k Calcs
Chris Williams  Account Info

On second thought, you don't have to block all of those domains. Just block "www.code-server.biz". That's an ad generator.

Reply to this comment    18 May 2005, 23:55 GMT

Re: GB68k: Gameboy Emulator for 68k Calcs
JackT Account Info

I'm having problems getting this to work. It works on VTI on a 89, but it's not working on my Titanium. When I load the ASM file, it's giving me a black line on top, and out pops the batteries.

Would a Ti-89 Titanium OS 3.01 make a difference for me?

Reply to this comment    19 May 2005, 03:35 GMT


Re: Re: GB68k: Gameboy Emulator for 68k Calcs
Rakka Account Info

Have you totally reset the calculator (and deleted all flash apps), and do you have the HW3Patch installed?

Reply to this comment    19 May 2005, 04:05 GMT


Re: Re: Re: GB68k: Gameboy Emulator for 68k Calcs
JackT Account Info

I thought I did, but I guess i didn't. Works fine now, thanks very much.

Reply to this comment    19 May 2005, 11:08 GMT

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