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Started by catastropher, June 27, 2015, 02:37:43 AM
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Quote from: CKH4 on July 13, 2015, 10:26:49 PMThat's an interesting upside to the solid mode. I'm really glad to see the progress. What calculators does this run on, I might try to find one that can run this because of how great it is.
Quote from: CKH4 on July 13, 2015, 10:45:17 PMOooh, sounds great. Does the ti 89 category contain titanium as well? (I'm not too familiar with 68k)
Quote from: CKH4 on July 13, 2015, 10:45:17 PMAlso I'll take a look at the source. I might learn something.
QuoteThe number at the top of the screen shows how many ticks it took to render the scene (1 tick = 1/350th of a second).
Quote(which can be run with TIEmu if you don't have a physical calc)
QuoteThe TI89 on the other hand has twice as much flash and a 16 MHz CPU (compared to the 12 MHz TI92+) but it only has a 160x100 display. X3D runs on them both though! Actually, it will run faster on the TI89 because of the faster clock speed.
Quote from: Lionel Debroux on July 14, 2015, 05:59:19 AM350 Hz sounds like you used AUTO_INT_1 for timing, which is a good idea on HW2+ calculators from 1999 onwards - but in such a case, the rate is 256 Hz Only HW1 calculators "feature" that inaccurate and varying AUTO_INT_1 rate, usually said to be 350-395 Hz (depending on battery strength, the phase of the moon, etc.).
Quote from: Lionel Debroux on July 14, 2015, 05:59:19 AMOr https://tiplanet.org/pad_ti68k_emu/v12.html , started by Patrick Davidson and largely improved by myself. It aims at being an install-less, portable, "good enough" emulator. It's unfinished - it lacks a debugger, to begin with - and it was started before Emscripten became a usable option, but it works for most purposes.
Quote from: Lionel Debroux on July 14, 2015, 05:59:19 AMThe CPU frequency of the 89 and 92+ is the same, actually.Now, the frequency of the 89T's CPU was at first thought to be ~16 MHz, but it was a benchmarking issue stemming from comparing an empty 89T to a loaded 89, which had consequences on the memory allocation and VAT subsystems. Pure assembly benchmarks didn't show such a significant speed difference.
Quote from: Lionel Debroux on July 14, 2015, 05:59:19 AM* you're linking to the obsolete and unmaintained TIGCC, but not to the newer, improved and less buggy GCC4TI - how sad
Quote from: Lionel Debroux on July 14, 2015, 05:59:19 AM* copying third-party headers / libraries to the GCC4TI environment can certainly cause issues with some projects and end up referencing files from the environment when one would like to reference other files, so I'm not keen on anyone copying ExtGraph (or any widely used third-party library, again) there.
QuoteThe documentation on https://debrouxl.github.io/gcc4ti/intr.html#SetIntVec still says 350 with without mentioning this is only for HW1. Is there someway we could update this?
QuoteOh, I didn't realize there were other emulators!
QuoteShould I just include the extgraph header in my repository in X3D-68k/src/headers?
Quote from: Lionel Debroux on July 14, 2015, 11:54:14 AMJust did it locally Given that this is not the only piece of inaccurate/outdated information in the trunk/tigcc/doc/System/Include/intr.h/SetIntVec.hsf file (for instance, on HW3/4, AUTO_INT_3 no longer is a 1 Hz timer, it's used for USB), a more involved pass on this page and several of its siblings is warranted. It's just another proof that most of the GCC4TI documentation was written in the late 1990s and early 2000s, before the V200 (2002) and 89T (2004) became available for purchase. Documentation and library work largely stagnated after 2002-2003 for multiple reasons outside of the scope of this topic, such work only resumed with GCC4TI.
Quote from: Lionel Debroux on July 14, 2015, 11:54:14 AMThe authoritative resource for documentation on the TI-68k series' hardware (for HW1 and HW2, that is) is known as "J89hw.txt", mainly written by Johan Eilert, and improved later based on newer work by e.g. ExtendeD (port 70001F, for instance).The most recent version of that file is in the TIEmu repository, and mirrored at http://tict.ticalc.org/docs/J89hw.txt . IOW, I'm supposed to be the maintainer of both the file and the mirror. ExtendeD's newest work on HW3/4 I/O ports (710000-7100FF) was never reformatted for inclusion into that file, and no emulator emulates most of those ports.
Quote from: Lionel Debroux on July 14, 2015, 11:54:14 AMYou can copy or link the files from ExtGraph to that location on your computer, but please do not add them to the repository: there are already too many outdated versions of ExtGraph being shipped around It's likely that even some TICT software, i.e. myself, is guilty.
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