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Messages - calc84maniac
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2431
« on: January 02, 2010, 06:39:10 pm »
Idk if I missed it somewhere, but will this emulator work with the 84+ keypad? It might be more convenient (if it's possible at all)
Only if the 84+ keypad can be plugged in during the hack. (It's probably possible though)
2432
« on: January 02, 2010, 05:47:10 pm »
That's great!
calc84maniac, did you write it from scratch?
I used the Cyclone 68000 CPU emulation core, but the rest I wrote from scratch. 
2433
« on: December 31, 2009, 10:28:54 am »
I'll be out of town till Saturday night or so, so if the hack gets released before then, you'll know where I am.
2434
« on: December 30, 2009, 03:46:50 pm »
Could you have a "custom waypoint" option where the user places waypoints in the map editor and then have a default of default waypoints?
I don't know how you would do "default"... I think it would always have to be custom.
2435
« on: December 30, 2009, 12:56:34 pm »
How does the memory mapped display make it easier?
Because you only have to write to memory to update the LCD contents. On the older z80 calculators, you had to interface with the LCD driver manually.
2436
« on: December 30, 2009, 10:49:27 am »
I took a look at ARM assembly and noticed it can do some things that Z80 assembly can't do. Does this make your work on the Nspire easier?
Definitely.
2437
« on: December 29, 2009, 09:45:22 pm »
When will we get a demo/alpha release of the current version?
Maybe when it gets into a semi-playable state.  The AI in particular needs some tuning for this map.
2438
« on: December 29, 2009, 01:36:05 pm »
wow awesome, and yeah I agree with Hot Dog, when I was on my Pentium 2 350 MHz, SNES9x ran at like 15 fps at most and ZSNES (the fastest SNES emu ever) about 30, and that was on lowest settings.
Though, make sure you keep in mind the Megahertz Myth. Most instructions on ARM take one to three cycles (though some, like multiplications and loading the program counter from memory can take some more). On the other hand, instructions on 68K range from 4 cycles to over 60 cycles! Comparing by clock speed alone isn't very accurate. Edit: Actually, I just noticed that the 68K division instruction takes 140 cycles... o_o
2439
« on: December 29, 2009, 12:13:49 pm »
I was messing around with the translator in Goplat's emulator 'cause I was bored... But now it's running closer to actual speed, though it's probably still too fast. At least, Super Mario 68K is slow enough to be playable now!  
2440
« on: December 29, 2009, 04:02:41 am »
Wow! Amazing! :O
I am curious however, do 89's have built in greyscale? If not, how do you detect the 'color' of a pixel in order to implement it correctly on the nSpire?
I take the average of the pixels in the last three frames. I believe that's how TI-Emu does it as well.
2441
« on: December 29, 2009, 03:58:59 am »
Actually I just remembered. It doesn't need the calc ROM, just game ROMs
Oh yeah, I guess I was kind of ambiguous there. You're right, you only need game ROMs.
2442
« on: December 28, 2009, 07:24:29 pm »
Okay, Eeems has convinced me to make a release. Download here.The zip file contains everything you need to run the emulator, except the roms of course. It's a simple drag/drop system much like TI-Boy.
2443
« on: December 28, 2009, 05:13:16 pm »
Here's a screenshot running m4r10, using the Nspire's perfect grayscale  Note that it won't run quite that fast on a real calculator, for the same reasons as the GBC emulator.
2444
« on: December 28, 2009, 12:53:17 pm »
* Galandros asks a x86 emulator after the z80 one
Lol no. x86 emulation doesn't run at good speeds even on the Pandora's 600MHz ARM Cortex-A8 processor.
2445
« on: December 28, 2009, 12:50:22 pm »
The Nspire isn't a CAS? Many of the professors at my university will not allow it at all because of the symbolic operations it can do (I've never really used one, so I'm going off of third-party information).
There are two versions - one has a CAS, and the other has CAS features locked (but has a TI-84+ keypad/emulator)
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