Activity
From 05/03/2017 to 06/01/2017
06/01/2017
- ND 11:16 PM EclaireXL Feature #32 (New): option to connect the original ATARI XL keyboard to ExclairXL
IT would be great to be able and connect the Original ATARI XL keyboard to EclairXL board,
such option has been done before (here is some info)
http://atariage.com/forums/topic/181298-atari-keyboard-to-usb/
http://blog.pixelpr...- ND 11:08 PM EclaireXL Bug #31 (Closed): HDMI Audio generate high pitch noise (Core 8)
- The Audio of the HDMI port generate high pitch sound..
you can hear it when TAPE LOADS, or though disk driver SIO sound or when steaming video through SIDE2 CART.
This pitch noise is not heard on the speakers connected to Audio out p... - ND 11:06 PM EclaireXL Bug #30 (Feedback): TAPE does not play AUDIO on the Right Chanel (Eucational tapes cannot be heard)
- will make a cable and continued testing
- ND 10:50 PM EclaireXL Bug #30: TAPE does not play AUDIO on the Right Chanel (Eucational tapes cannot be heard)
- or i will build a cable are test, thanks
Nir - SA 10:36 PM EclaireXL Bug #30: TAPE does not play AUDIO on the Right Chanel (Eucational tapes cannot be heard)
- @Nir
As for the XC12 tape corder, just now I see that it haven't a PSU, so must take their power supply entirely from eclaireXL board.
This mean that you need to supply the eclaireXL with a power adapter of 1 or 2A. I don't know how ex... - FO 10:23 PM EclaireXL Bug #30: TAPE does not play AUDIO on the Right Chanel (Eucational tapes cannot be heard)
- This is only in v8 too
- SA 10:16 PM EclaireXL Bug #30: TAPE does not play AUDIO on the Right Chanel (Eucational tapes cannot be heard)
- Have you seen the two pole pin header on right side of the sub board? Is for this exact reason.
You must make first a small coaxial cable ended at both sides in a DuPont connector, as to interconnect it with the corresponding one in th... - ND 10:03 PM EclaireXL Bug #30 (Closed): TAPE does not play AUDIO on the Right Chanel (Eucational tapes cannot be heard)
- tried to put an AUDIO Tape
POKE 54018,52 [RETURN] should stream AUDIO that is recorded on the right channel and it should play through the ATARI speakers
on the ExlairXL this audio cannot be heard.
Nir - FO 08:20 PM EclaireXL Support #29: LED for SIO activity
- Interface 2 pin 36 (SIO out) and interface 2 pin 31 (GND). With a suitable resistor of course since this is 5V.
- JO 05:04 PM EclaireXL Support #29 (Closed): LED for SIO activity
- Where can I connect a LED to indicate SIO activity (soldering is not a problem, if required)?
POWER and RESET are connected, but there is a HDD LED, which would be good to connect to somewhere :) - SA 07:21 PM EclaireXL Bug #17: NTSC crashing on some builds
- ndary wrote:
> changed the Core to v8 and when chancing the video mode to NTSC the screen crashes
> ...
I remember that this was ok in mine board. Are you use the prototype 2 area to get the firmware?
- ND 07:13 PM EclaireXL Bug #17: NTSC crashing on some builds
- changed the Core to v8 and when chancing the video mode to NTSC the screen crashes
Nir - FO 06:40 AM EclaireXL Bug #25: F10 Hard Reset Ignore inserted cartridge (Core v7)
- OK, I'll add that in v9
05/31/2017
- ND 10:02 PM EclaireXL Bug #25: F10 Hard Reset Ignore inserted cartridge (Core v7)
- yes i think so..
there are different banking cart schemes, some use data to change bank and other use address to change their banks
i think that writing 00 to D500 and set the Address line D5XX to D500 will cover them all
Nir - FO 09:28 PM EclaireXL Bug #25: F10 Hard Reset Ignore inserted cartridge (Core v7)
- I can't tell the init state, since its an external cartridge. The logic could set up the registers written to by D500 to any value. Its possible _most_ default to 00, but it can't be known.
If you think writing 0 to D500 will increase... - ND 09:08 PM EclaireXL Bug #25: F10 Hard Reset Ignore inserted cartridge (Core v7)
- it should also clear the D5XX to its imitate state so the bank switching cart will be set to its default state
- FO 08:43 PM EclaireXL Bug #25: F10 Hard Reset Ignore inserted cartridge (Core v7)
- I mean the 'hard reset' just clears memory then drops the reset line.
- FO 08:42 PM EclaireXL Bug #25: F10 Hard Reset Ignore inserted cartridge (Core v7)
- Bug hunt does bank switching
Ah, I see what you mean. The hard reset does not power off the system. So if the cart has state then it won't reset that. Not sure what I can do about that one since I can't power off the cartridge. - ND 08:37 PM EclaireXL Bug #25: F10 Hard Reset Ignore inserted cartridge (Core v7)
- do you have an XEG cart with more than 16?
try one of the carts that do Bank Switching
Nir - FO 08:31 PM EclaireXL Bug #25: F10 Hard Reset Ignore inserted cartridge (Core v7)
- Not sure what you mean here. If I put in a cartridge and press F10 then the computer reboots and the cartridge runs. I checked with pole position, frogger and bug hunt.
- FO 06:55 PM EclaireXL Bug #25: F10 Hard Reset Ignore inserted cartridge (Core v7)
- Will have a look after PBI support - or as part of it. I'm replacing the cartridge reading logic as part of that.
- ND 04:58 PM EclaireXL Bug #25 (New): F10 Hard Reset Ignore inserted cartridge (Core v7)
- When there is a cartridge inserted to the cartridge slot and you power on the ExlairXL board the cartridge boots
but if you press F10 (hard reset) it acts like F9 (Soft reset), cannot access the cartridge menu
(may have to do that R... - FO 08:32 PM EclaireXL Feature #2: PBI support
- Fixed some clear cycle delay bugs in antic and simulated. This fixed NMIEN and WSYNC tests in acid, however there are still 4 failing. Work out why...
I could do with converting the acid test suite into testbenches really! - FO 08:23 PM EclaireXL Bug #27: USB D-PAD Joystick support on CORE7
- Confirmed. I saw video settings had changed after disconnection too.
- ND 07:50 PM EclaireXL Bug #27: USB D-PAD Joystick support on CORE7
- yes VGA is still connected, it also happen with HDMI screen
- FO 06:50 PM EclaireXL Bug #27: USB D-PAD Joystick support on CORE7
- Is the VGA cable still connected?! Will dig out mine but I've not knowingly changed this. I wonder if I accidentally cross connected the video settings and the usb joystick or something...
- ND 06:41 PM EclaireXL Bug #27 (Closed): USB D-PAD Joystick support on CORE7
- When connecting a D-PAD Joystick to one of the USB ports the screen goes black!
the computer still works and even boots but with no screen.
i tried to use one of my USB joystick (Retronic ATARI 2600 Style, PS/2 USB Style, Standard US... - SA 08:17 PM EclaireXL Feature #24: A board with Atari SOUL!!!! (ROM in block ram support)
- foft wrote:
> I'll start by a default one in block ram, (optionally overriden by sd card). Then later we can add support for the flash reading.
Thanks! - FO 08:10 PM EclaireXL Feature #24: A board with Atari SOUL!!!! (ROM in block ram support)
- I'll start by a default one in block ram, (optionally overriden by sd card). Then later we can add support for the flash reading.
- SA 07:57 PM EclaireXL Feature #24: A board with Atari SOUL!!!! (ROM in block ram support)
- sadosp wrote:
> What I would like to see from Mark sometime in the future, is to integrate the Atari OS in the flash ram.
> ...
?????????
- SA 02:56 PM EclaireXL Feature #24 (Closed): A board with Atari SOUL!!!! (ROM in block ram support)
- What I would like to see from Mark sometime in the future, is to integrate the Atari OS in the flash ram.
Dream for the day who I will push the power switch, and I will see the "Basic" blue screen, without the need of SD card.
A board ... - FO 07:01 PM EclaireXL Feature #28: XEX boot loader replacement
- Improve XEX boot loader with a better version, since the current one causes a lot of software to fail.
- FO 07:01 PM EclaireXL Feature #28 (Closed): XEX boot loader replacement
- Replace XEX boot loader with a better one
- FO 06:57 PM EclaireXL Feature #13 (New): 32x speed cpu without wait states
- JO 06:55 PM EclaireXL Feature #26: PS/2 keyboard
- As you mention this, I tried it again:
- if the keyboard has already been connected when I turn eclaire on, it doesn't work
- when I let eclaire to boot and connect the keyboard after the "ready" prompt appeared, the keyboard works.
... - FO 06:52 PM EclaireXL Feature #26: PS/2 keyboard
- Yeah I expect a non-compliant adaptor. Though I doubt the USB HID support is rock solid investigating these individually takes too long. Does it have a built in hub? The USB hub support seems a bit iffy to me.
- ND 06:36 PM EclaireXL Feature #26: PS/2 keyboard
- I Confirm that ExlaireXL does support PS2/USB adapter to connect PS/2 Keyboard & Mouse with CORE7
i just tested it here and it works!!
what adapter you use? that are some cheap adapter that does not fully comply with the PI Protocol ... - JO 05:08 PM EclaireXL Feature #26 (Closed): PS/2 keyboard
- I've a PS2/2 keyboard with a PS2->USB adapter, which works fine on my PC and other HW emulators which has USB port, but not on Eclaire (FW7)
The LEDS on the keyboard are blinking once and then stay black (all). - FO 06:54 PM EclaireXL Bug #4: Galaxian flickers on scrolling - when using real cartridge
- I see lots of acid fails after adding the PBI support. This effectively adds the same delay as when using the cartridge so I expect its the same issue.
- FO 06:50 PM EclaireXL Support #23 (Closed): No image
- JO 01:00 PM EclaireXL Support #23: No image
- Thanks! It works now!
Start reading the http://www.64kib.com/redmine/attachments/download/7/Atari%20800%20FPGA%20Manual.pdf :)
Thanks for your support!
- ND 12:49 PM EclaireXL Support #23: No image
- copy this to the ROOT of your SD CARD
http://www.64kib.com/redmine/attachments/download/44/SDCARD.zip
Nir - JO 12:45 PM EclaireXL Support #23: No image
- My bad: the card was NTSC formatted.
The old firmware reads "settings" too. Now I see the monitor recognizes the resolution/frequency, but I see a black screen only.
Reporting back, when my altera cable arrives from china. - JO 12:26 PM EclaireXL Support #23: No image
- The current firmware doesn't use this file. Need to order a cable to update the firmware.
- FO 12:11 PM EclaireXL Support #23: No image
- Panos posted an sd card image in the forum. I expect that is set up for 50Hz vga.
- FO 12:05 PM EclaireXL Support #23: No image
- http://www.64kib.com/autobuild/private/settings_examples/
See the readme in here.
Please flash v8 too - JO 11:51 AM EclaireXL Support #23 (Closed): No image
- - the vga connector produces 15KHz, of which the monitor doesn't support
- through the HDMI connector I see "No SIGNAL" on the monitor
All the three power leds are shining. - FO 06:48 PM EclaireXL Bug #22: Action and Bounty Bob Cartridges cannot be loaded
- That would explain it, I only see the one 8k oss cartridge supported in the cart logic. It might be quite easy to add, will have a look.
- SA 12:01 AM EclaireXL Bug #22: Action and Bounty Bob Cartridges cannot be loaded
- Some more info's for the OSS cartridges on below link.
Seem that OSS M091 is the latest type cartridge from OSS which using one 16Kb eprom versus the two 8 Kb on previous.
[[https://sourceforge.net/p/atari800/mailman/message/277075... - FO 06:48 PM EclaireXL Bug #20: Bugs in DAS OMEN Demo
- I'm wondering about splitting the firmware up and running on more smaller cpus (such as 6503). e.g. one instance for drive emulation, one for the screen stuff, one for USB access. Using a single CPU there are latency concerns which got q...
- FO 06:45 PM EclaireXL Bug #20: Bugs in DAS OMEN Demo
- Using this one:
uint8_t boot_xex_loader[179] = {
0x72,0x02,0x5f,0x07,0xf8,0x07,0xa9,0x00,0x8d,0x04,0x03,0x8d,0x44,0x02,0xa9,0x07,
0x8d,0x05,0x03,0xa9,0x70,0x8d,0x0a,0x03,0xa9,0x01,0x8d,0x0b,0x03,0x85,0x09,0x60,
0x7d,0x8a,0x48,0x20... - XX 10:15 AM EclaireXL Bug #20: Bugs in DAS OMEN Demo
- foft wrote:
> We can try it. Do you know c? There is atari_drive_emulator.c in the firmware which has a copy of the xex loader. Its an sdrive port and I didn't ever look into the xex side much.
Are you using this loader?
#ifdef ... - FO 09:59 AM EclaireXL Bug #20: Bugs in DAS OMEN Demo
- We could add another 6502 for the firmware to replace the zpu. I'd like that but don't have time to spend on that.
Quite a job though to rewrite the firmware.
It contains sd card access, fat filesystem, file browsing and a usb stack. - ND 08:57 AM EclaireXL Bug #20: Bugs in DAS OMEN Demo
- 6502 assembly only here :)
XXL posted that he can do a loader and PICODOS source is on Github
https://github.com/Masq666/PicoDOS/blob/master/picodos.asm
Nir - FO 08:05 AM EclaireXL Bug #20: Bugs in DAS OMEN Demo
- We can try it. Do you know c? There is atari_drive_emulator.c in the firmware which has a copy of the xex loader. Its an sdrive port and I didn't ever look into the xex side much.
- ND 08:55 AM EclaireXL Feature #21: Mirax Force game crash
- PicoDos source is on Github
https://github.com/Masq666/PicoDOS/blob/master/picodos.asm
Nir - XX 08:44 AM EclaireXL Feature #21: Mirax Force game crash
- foft wrote:
> ok, another loader issue.
> ...
I can write proper loader. - FO 08:07 AM EclaireXL Feature #21: Mirax Force game crash
- ok, another loader issue.
Lets add a new task for changing the xex loader to picodos or another.
05/30/2017
- SA 11:50 PM EclaireXL Bug #22: Action and Bounty Bob Cartridges cannot be loaded
- And if someone need to play BBSB on eclaireXL, below is attached a working ATR file.
- ND 11:39 PM EclaireXL Bug #22: Action and Bounty Bob Cartridges cannot be loaded
- the problem with this specific Action bank switching cart.. just tested another model of Action cart that works well
this one use different address to switch banks
- FO 09:55 PM EclaireXL Bug #22: Action and Bounty Bob Cartridges cannot be loaded
- There is a file cart_logic.vhd which has the cartridge emulation logic from the turbo freezer.
Of course we can add more types. I wonder why action doesn't work, that one seems standard. Does anyone have a _real_ action cart to try? S... - SA 07:59 PM EclaireXL Bug #22: Action and Bounty Bob Cartridges cannot be loaded
- foft wrote:
> Bounty Bob is expected, its a one-off cartridge type.
Mark I have the logic as how to load the bounty bob, from a guy who have decode it in the past. Bernd Herale. If this will help, let me know to upload it. - SA 07:58 PM EclaireXL Bug #22: Action and Bounty Bob Cartridges cannot be loaded
- foft wrote:
> Bounty Bob is expected, its a one-off cartridge type.
> ...
Mark I have the logic as how to load the bounty bob, from a guy who have decode it in the past. Bernd Herale. If this will help, let me know to upload it. - ND 07:31 PM EclaireXL Bug #22: Action and Bounty Bob Cartridges cannot be loaded
- the attached ACTION cart is
ID #3 | 800/XL/XE | 16 | OSS two chip 16 KB cartridge (034M) - FO 06:49 PM EclaireXL Bug #22: Action and Bounty Bob Cartridges cannot be loaded
- Bounty Bob is expected, its a one-off cartridge type.
What cartridge type is action? - ND 03:50 PM EclaireXL Bug #22 (New): Action and Bounty Bob Cartridges cannot be loaded
- The following attached cartridges image cannot be loaded on ExclairXL
- ND 11:36 PM EclaireXL Bug #20: Bugs in DAS OMEN Demo
- i just confirmed that the problem is with the XEX loader of EclairXL, can you use the PICODOS loader from HIASOFT? from my experience it works well with most files.
- FO 06:51 PM EclaireXL Bug #20: Bugs in DAS OMEN Demo
- Uh-oh, good spot. Did you check it with aspeqt too? I find that the .xex support (sdrive port) can be a bit iffy at times. I'm not sure if there are better xex loaders we can switch to?
Can someone pick this up and look into the root ... - ND 03:39 PM EclaireXL Bug #20 (Closed): Bugs in DAS OMEN Demo
- tested the DAS OMEN Demo
1. the speech (DAS OMEN) at the 3rd part does not play
2. Music stops after a while and the DEMO Crash - ND 11:34 PM EclaireXL Feature #21: Mirax Force game crash
- ndary wrote:
> tested it ASPEQT and confirm that its a problem of the loader..
> ...
- ND 11:34 PM EclaireXL Feature #21: Mirax Force game crash
- tested it ASPEQT and confirm that its a problem of the loader..
i used PICODOS from HIASOFT and most games/demos that does not load well with the EclairXL loader works now!!!
so its not a problem with the core but with the loader
... - FO 06:32 PM EclaireXL Feature #21: Mirax Force game crash
- Can you test it with aspeqt too?
- ND 03:40 PM EclaireXL Feature #21 (Closed): Mirax Force game crash
- tested the MIRAX Force game
the Speech at the beginning of the game works. but the game will not start
can this be a bug in the XEX File loader?
Nir - FO 10:06 PM EclaireXL Feature #2: PBI support
- Some info from Hias on the turbo freezer:
"Reset on the freezer runs through a synchronizer, clocked by phi2. IIRC 2 clock cycles after rst_n=0 freezer is in reset state. It then snoops the bus, when the freezer button is pressed it loo... - FO 10:04 PM EclaireXL Feature #2: PBI support
- Some progress in antic timings which are broken by this. I found I am using a delay shift register to wait 32 cycles (48 in one case!) on a write to a bunch of registers. This isn't really ideal since depending on memory timings the next...
- FO 07:02 PM EclaireXL Feature #1 (Closed): Svideo sync line support
- Being handled in issue 14
- FO 07:00 PM EclaireXL Feature #8 (Closed): Implement 4 channel ADC
- Closing since the core support is in place. Noise reduction and sampler connection may be raised as future feature requests.
- FO 06:58 PM EclaireXL Feature #12 (New): Set up redmine backups!
- FO 06:46 PM EclaireXL Bug #19 (Closed): PAL VGA Synch issues (screen is not centered
- Closing since we already have a task to implement the pll and edid/ddc support
- FO 06:45 PM EclaireXL Bug #19: PAL VGA Synch issues (screen is not centered
- 50Hz isn't standard on VGA monitors at all. So its not going to work well unless you find one that supports modes like 576p50.
We will be doing work to fix this, there is a programmable pll on board and edid/ddc hardware to implement... - ND 02:53 PM EclaireXL Bug #19 (Closed): PAL VGA Synch issues (screen is not centered
I am using a LCD TV SCREEN with VGA input, when the ExclairXL boot into Basic (ready prompt) the screen is not centered
but in the Settings mode (Pressing F12) and 'file browse' (Pressing F11) screen the screen is centered, without c...- ND 02:28 PM EclaireXL Bug #18 (Closed): Power on Switch
- in a REAL ATARI XL/XE computer you switch the computer on by flipping the POWER SWITCH UP, but in the EclaireXL board you turn the POWER by flipping the Switch DOWN.
as a 30 years ATARI USER i thought this should be put into attention...
05/28/2017
- SA 10:15 PM EclaireXL Feature #2: PBI support
- foft wrote:
> Interesting the acid test now fails with this core, which explains the blips I got when running real cartridges before. So probably some antic timings are wrong when the active cycle is in the 2nd colour clock of the cycle... - FO 10:05 PM EclaireXL Feature #2: PBI support
- Interesting the acid test now fails with this core, which explains the blips I got when running real cartridges before. So probably some antic timings are wrong when the active cycle is in the 2nd colour clock of the cycle.
- FO 09:59 PM EclaireXL Feature #2: PBI support
- PBI lives!!
Still some debugging to do but so far...
Cartridges are working again, which is a good sign (these are now via the PBI component)
Turbo freezer works - sort of! Sometimes is seems inactive and the memory expansion doesn'...
05/27/2017
- FO 10:49 PM EclaireXL Feature #2: PBI support
- Still no luck with signaltap, so got the real logic analyzer on the GPIOs to debug. Squashed one sync bug but still no dice. But now confident I can get the values I need out where I can see them at least.
- FO 10:28 AM EclaireXL Feature #2: PBI support
- I started to bisect to find the problem - and found the core stops working when connecting RAS and CAS! Which are largely just for show, I doubt anyone will really use a 1064... Anyway I checked the pin assignments and found a bunch of d...
- FO 10:46 AM EclaireXL Bug #17: NTSC crashing on some builds
- Interesting when I build on AWS I get completely screwed up builds with the registered sdram input. Seemingly every time.
05/26/2017
- FO 08:53 PM EclaireXL Feature #2: PBI support
- The core blows up with signaltap2 enabled! Looks great on sim, but I can't see what is going wrong on the actual hardware:-(
05/25/2017
- SA 11:29 PM EclaireXL Feature #2: PBI support
- foft wrote:
> Made several more fixes and the core no longer crashes with PBI enabled. However it all crashes when I plug in a cartridge! These worked without PBI support, but I replaced the cartridge logic too when I implemented this. ... - FO 11:10 PM EclaireXL Feature #2: PBI support
- Made several more fixes and the core no longer crashes with PBI enabled. However it all crashes when I plug in a cartridge! These worked without PBI support, but I replaced the cartridge logic too when I implemented this. Interestingly s...
05/24/2017
- FO 10:09 PM EclaireXL Feature #2: PBI support
- Looking good on simulation now but does not run on the board. I think the issue is when pbi takes over the bus when a transaction is already in process.
This is all so complicated because I'm running the clock at 32x the original one...
05/23/2017
- FO 09:43 PM EclaireXL Feature #2: PBI support
- Integrated into the description and synthesising:-)
For now I took the strategy of delaying the cycle until we know if PBI wants to take over. Its enabled only in 1x speed for now.
05/22/2017
- FO 09:55 PM EclaireXL Feature #2: PBI support
- PBI looking good on simulation (bit itself). Based timings on the Freddie data sheet.
Made a start on wiring it up to the core. Need to remind myself how the enable strategy works and what they are all used for.
Initial idea is to ju...
05/21/2017
- FO 02:37 PM EclaireXL Feature #2: PBI support
- Started on a PBI component that will correctly communicate with the bus. Then this can be checked/simulated - and as a later stage I can do the core connection.
05/20/2017
- FO 10:39 PM EclaireXL Bug #17: NTSC crashing on some builds
- I've still had bad builds since registering the sdram input directly.
I tried to specify an externally switchable input clock for timequest as a proxy for ntsc/pal clocks. However it doesn't make it past derive_pll_clocks, so I guess ... - FO 10:36 PM EclaireXL Feature #8: Implement 4 channel ADC
- So I guess we should have some more passive components here. On the other hand I'm kind of attached to SIO noise down to cable interference. If we fix this too well we may lose that!
- FO 10:35 PM EclaireXL Feature #8: Implement 4 channel ADC
- Pretty sure this is down to floating inputs. Since there is no driver and low capacitance the input picks up the previous sample stored in the ADC. I checked this out by trying two approaches:
i) Sample a single channel and checking for...
05/18/2017
- FO 11:01 PM EclaireXL Feature #8: Implement 4 channel ADC
- Sigh, it definitely works but if I read say channel 1 - I still receive input from the other channels
- FO 09:00 PM EclaireXL Feature #8: Implement 4 channel ADC
- Debugged and now working.
PBI and SIO audio will be mixed. For now I'm not feeding MIC_L and MIC_R anywhere - these will be connected to some sampler register. I guess D500 and D501 if the 'replay cartrige mode' is enabled. - FO 06:56 AM EclaireXL Feature #8: Implement 4 channel ADC
- Now I have the board its clear this needs debugging.
- FO 06:58 AM EclaireXL Feature #1: Svideo sync line support
- Received the board and gave this a go. svideo and composite look nice and bright now. However saturation is too low, need to work out how to boost this without too much impact to brightness.
Also need to work out why its just black an...
05/16/2017
- FO 09:24 PM EclaireXL Feature #13: 32x speed cpu without wait states
- I enabled 32x mode in the core and sorted out single cycle writes from the block ram for now. Hardly any difference in sysinfo but good to see at least some difference.
- FO 09:22 PM EclaireXL Bug #17: NTSC crashing on some builds
- Ijor recommended I try registering the input directly from SDRAM. I've done this and see if it helps.
He is also kindly helping me write some correct timequest rules, really appreciated:)
05/12/2017
- FO 09:52 PM EclaireXL Bug #17 (Closed): NTSC crashing on some builds
- Investigate why... On the v1 core this occurred when running the PLL at very high fVCO. However we already fixed that in v1, so not sure why.
- FO 07:48 PM EclaireXL Bug #16 (Closed): Audio bug report for Altirra
- One for the coders, please can you check if these bugs are present?
From post on atariage...
http://atariage.com/forums/topic/256683-altirra-280-released/page-24#entry3760704
Let me report a couple of issues with POKEY chip in Altir...
05/11/2017
- FO 09:42 PM EclaireXL Feature #15: Implement programmable PLL
- Attaching PLL chip datasheet
- FO 09:41 PM EclaireXL Feature #15 (New): Implement programmable PLL
- See if the programmable PLL works. This will allow us to support different/custom VGA modes, once we have EDID/DDC working. For now I just want to find out if its alive.
- FO 08:38 PM EclaireXL Feature #13: 32x speed cpu without wait states
- So thinking about options...
Double the main clock speed and pipeline a bit
or
Output next address from antic and the cpu, so I can read the memory 1 cycle earlier - antic clearly knows what it will read, does the 6502 core?
or
A... - FO 08:34 PM EclaireXL Feature #7: Implement I2C vga/hdmi support
- Used this controller for the ADC on v1: https://eewiki.net/pages/viewpage.action?pageId=10125324
So I guess I just need to wire this to the ZPU, then I can experiment with this in firmware.
I guess a write FIFO that captures 16 bits ... - FO 08:30 PM EclaireXL Feature #7: Implement I2C vga/hdmi support
- DDC looks a little funkier
- FO 08:28 PM EclaireXL Feature #7: Implement I2C vga/hdmi support
- EDID is apparently one of these I can access at address 0x50
- FO 08:26 PM EclaireXL Feature #7: Implement I2C vga/hdmi support
- Attached mux/level converter chip data sheet
- FO 08:27 PM EclaireXL Feature #8: Implement 4 channel ADC
- Attached ADC data sheet
05/08/2017
- FO 10:08 PM EclaireXL Feature #8 (In Progress): Implement 4 channel ADC
- Written initial support based on data sheet and simulated. Not yet built into test core or tried on real hardware.
So far all four channels sampled, but only SIO input connected to core.
05/04/2017
- FO 09:25 PM EclaireXL Feature #13: 32x speed cpu without wait states
- Nope, this is not going to be so simple... Massive timing violations.