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It is actually a known issue (well, known to people who have tried it). I have several PAL-games that will not boot on CECHAs unless upscaler is turned off. Call of Duty Finest hour and Death by Degrees are two examples of that. I also live in EU and my TV does support both 50 and 60hz too. Hmm, not sure about specific resolutions though. It also could be that your friend got lucky and never tried those specific games. I don't have a DECHA to test it out though, maybe he could try to test the games I mentioned?
It is actually a known issue (well, known to people who have tried it). I have several PAL-games that will not boot on CECHAs unless upscaler is turned off. Call of Duty Finest hour and Death by Degrees are two examples of that. I also live in EU and my TV does support both 50 and 60hz too. Hmm, not sure about specific resolutions though. It also could be that your friend got lucky and never tried those specific games. I don't have a DECHA to test it out though, maybe he could try to test the games I mentioned?
* My friend tested that on his PS3 and indeed Death by Degrees is throwing no signal after memory card check when upscaler is active (btw. it's important to know when exactly issue occur, this helps people without CECHA look into it). I don't know how this is known issue when people that can potentially fix it are not aware of it. :) Anyway. You may want to create thread on psx-place or other place with active Cobra/CFW developers to let them know that issue exist. Info which games fail at which point will be help too. Without that there is slim chance to fix it. --[[User:Kozarovv|Kozarovv]] ([[User talk:Kozarovv|talk]]) 09:33, 30 September 2024 (CEST)
I suppose you are correct, I wrongly assumed it is a known issue. But maybe it is not. Devs seem to often ignore CECHA models, they focus on slims and the later ones. But I can post a message, yeah. Btw, I have seen your latest progress on gx-emu, and I was also wondering if you can check if it is realistically possible to add GSM options to ps2-emu (on CECHAs) ? Because GSM is a tool that can force ps2 games into different video modes, like 1080i. And since it works on CECHAs as well (through OPL), perhaps it could be integrated somehow into the emulator to simply switch resolutions when opening the settings? I am talking about this tool https://www.ps2-home.com/forum/viewtopic.php?f=12&t=53
* GSM operates by intercepting communications between EE and GS to set required registers. There is no way to do that on ps2_emu, since EE+GS is not exposing this communication outside of chip.


== Syscon Thermal Zones ==
== Syscon Thermal Zones ==
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Most of that is unavailable even in late Cytology...
Most of that is unavailable even in late Cytology...
== fsck on ps3 ==
Write to 0x10520 raw HDD offset (using ps3 "simple fs"). This match UFS2 superblock offset 0x520, which is "fs_flags". Write old value ored with 4. Value 4 means FS_NEEDSFSCK. All this is quite standard UFS2 behavior.
== Temp - Waiting for release ==
{{BoxcommGX|id=0x2C|net_id=0x0A|data=FIXME|}}
Patch 32 bit opcodes of EE executable code. '''Warning! This is custom command and it is not available in not patched emulator!'''
Format:
32 bit ID  | 32 bit align | 64bit ptr to emu memory | 32 bit count | 32 bit align
0x0000002C |  0x00000000  |  0x0000000000341190    |  0x00000002  |  0x00000000
Additional example data at 0x341190 looks like this:
  32 bit EE offset  | 32 bit align | 32 bit original opcode | 32 bit align | 32 bit replace opcode | 32 bit align 
    0x00122780    |  0x00000000  |      0x27BDFE10      |  0x00000000  |      0x27BDFD00      |  0x00000000
due to patch count == 2 in this example, there is next set of data right after first one:
  32 bit EE offset  | 32 bit align | 32 bit original opcode | 32 bit align | 32 bit replace opcode | 32 bit align 
    0x00122AE8    |  0x00000000  |      0x27BD01F0      |  0x00000000  |      0x27BD0300      |  0x00000000
<div class="mw-collapsible mw-collapsed" data-expandtext="{{int:Show}}" data-collapsetext="{{int:Hide}}" style="width:1000px; background:#cccccc;">'''More info'''
<div class="mw-collapsible-content" style="text-align:left;">
This command read and write opcodes as a 32 bit value. Command implementation helps with netemu 0x0A ports.
Example ps2_netemu 0x0A config translation.
<br>Original config.
3D 00 00 00 57 44 00 00 <-- not relevant.
0A 00 00 00 02 00 00 00 <-- CMD 0x0A, count 0x02
80 27 12 00 10 FE BD 27 00 FD BD 27 <-- addr, org opcode, replace opcode
E8 2A 12 00 F0 01 BD 27 00 03 BD 27 <-- addr, org opcode, replace opcode
Gx config.
00 00 00 84 79 85 29 05 00 34 11 78 00 00 00 01 <-- single command in this example, count is elsewhere
00 00 00 2C 00 00 00 00 00 00 00 00 00 34 11 90 00 00 00 02 00 00 00 00 <-- CMD 0x2C, ptr to command data, count 0x02.
00 12 27 80 00 00 00 00 27 BD FE 10 00 00 00 00 27 BD FD 00 00 00 00 00 <-- addr, org opcode, replace opcode
00 12 2A E8 00 00 00 00 27 BD 01 F0 00 00 00 00 27 BD 03 00 00 00 00 00 <-- addr, org opcode, replace opcode
Single line explanation, gx command is big endian, netemu is little endian:
    00 12 27 80    | 00 00 00 00 |  27 BD FE 10  | 00 00 00 00 |  27 BD FD 00  | 00 00 00 00
ee addr from 0x0A |    align    | original opcode |    align    | replace opcode |    align
</div>
</div>
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