Editing PS2 Emulation
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#PS3 Dance Dance Revolution Dance Pad - not ps2 accessory, opposite arrows can't be pressed at the same time. | #PS3 Dance Dance Revolution Dance Pad - not ps2 accessory, opposite arrows can't be pressed at the same time. | ||
#Pop'N Music controllers - Require PS2 to USB converter. Wrong button mappings can be fixed by remap in config file. | #Pop'N Music controllers - Require PS2 to USB converter. Wrong button mappings can be fixed by remap in config file. | ||
==BIOS== | ==BIOS== | ||
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0x0C - Used in PS2 COP0 MTC0/MFC0 r9/r25 (count/perf), decrementer/timing related, return value in r15. | 0x0C - Used in PS2 COP0 MTC0/MFC0 r9/r25 (count/perf), decrementer/timing related, return value in r15. | ||
Config CMD 0x17 disable that syscall for r9 (count) r/w, and alternative path is used. Perf r/w still use it. | Config CMD 0x17 disable that syscall for r9 (count) r/w, and alternative path is used. Perf r/w still use it. | ||
0x10 - lv1 panic. | 0x10 - lv1 panic. | ||
0x11 - Wrapper for lv1_read_virtual_uart(port_number, buffer, bytes) [HW0 only, only ports 0 and 2 available, else panic] | 0x11 - Wrapper for lv1_read_virtual_uart(port_number, buffer, bytes) [HW0 only, only ports 0 and 2 available, else panic] | ||
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Keep in mind we don't know how accurate swap emulation is here, games are picky for some details. | Keep in mind we don't know how accurate swap emulation is here, games are picky for some details. | ||
Every iso bin enc in set need to have proper data in separate config. | Every iso bin enc in set need to have proper data in separate config. | ||
Disc 1: ISO.BIN.ENC --> CONFIG --> 00 02 00 00, | Disc 1: ISO.BIN.ENC --> CONFIG --> 00 02 00 00, Disc2: ISO.BIN.ENC2 --> CONFIG2 --> 00 02 01 00, etc. | ||
{{Boxcomm|id=0x01|name=EE_ADD_HOOK|data=2x uint32_t Params (addr, func_id 0-0x3B)}} | {{Boxcomm|id=0x01|name=EE_ADD_HOOK|data=2x uint32_t Params (addr, func_id 0-0x3B)}} | ||
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Command could be potentially useful for games that like to change own code. Eg. Load "bin" files with code (HSG/HST), or modify own code by direct writes to memory (NFS Carbon CE...) | Command could be potentially useful for games that like to change own code. Eg. Load "bin" files with code (HSG/HST), or modify own code by direct writes to memory (NFS Carbon CE...) | ||
|- | |- | ||
|0x0F|| | |0x0F|| | ||
Grand Theft Auto 3 (SLUS-20062) | Grand Theft Auto 3 (SLUS-20062) | ||
using 0x348B40, 0x18E1F0, 0x348EC8 ( + 200000000 base ) | using 0x348B40, 0x18E1F0, 0x348EC8 ( + 200000000 base ) | ||
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0x348EC8 = Almost end (only loading values preserved on stack) of CTheScripts::ClearSpaceForMissionEntity((CVector const &, CEntity *)) | 0x348EC8 = Almost end (only loading values preserved on stack) of CTheScripts::ClearSpaceForMissionEntity((CVector const &, CEntity *)) | ||
|- | |- | ||
|0x10|| | |0x10|| | ||
Grand Theft Auto 3 (SLES-50330) | Grand Theft Auto 3 (SLES-50330) | ||
using 0x349790, 0x18E1F0, 0x349B18 ( + 200000000 base ) | using 0x349790, 0x18E1F0, 0x349B18 ( + 200000000 base ) | ||
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0x349B18 = Almost end (only loading values preserved on stack) of CTheScripts::ClearSpaceForMissionEntity((CVector const &, CEntity *)) | 0x349B18 = Almost end (only loading values preserved on stack) of CTheScripts::ClearSpaceForMissionEntity((CVector const &, CEntity *)) | ||
|- | |- | ||
|0x11|| | |0x11|| | ||
Grand Theft Auto 3 (SLES-50793) | Grand Theft Auto 3 (SLES-50793) | ||
using 0x3495C0, 0x18E1F0, 0x349948 ( + 200000000 base ) | using 0x3495C0, 0x18E1F0, 0x349948 ( + 200000000 base ) | ||
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This in turn skip CTimer::GetTimeSeconds((void)) in function CReplay::NextFrame((CDrivingControls *)). Worth to note that CReplay::NextFrame seems to be not related to replay per se, but to car physics. | This in turn skip CTimer::GetTimeSeconds((void)) in function CReplay::NextFrame((CDrivingControls *)). Worth to note that CReplay::NextFrame seems to be not related to replay per se, but to car physics. | ||
|- | |- | ||
|0x1A|| | |0x1A|| | ||
store 0 in [ 0x209FD560 + 200000000 base] | store 0 in [ 0x209FD560 + 200000000 base] | ||
store 0 in [ 0x209F9550 + 200000000 base] | store 0 in [ 0x209F9550 + 200000000 base] | ||
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|0x39|| Used silently in command 0x4B with first param from 0x4B as hook address. Hook seems to be unusable without 0x4B command, because there is no way to setup redirect mode and ID without 0x4B. | |0x39|| Used silently in command 0x4B with first param from 0x4B as hook address. Hook seems to be unusable without 0x4B command, because there is no way to setup redirect mode and ID without 0x4B. | ||
|- | |- | ||
|0x3A|| Used silently in command 0x4C with first param from 0x4C as hook address | |0x3A|| Used silently in command 0x4C with first param from 0x4C as hook address. | ||
|- | |- | ||
|0x3B|| Grand Theft Auto 3 (SLPM-55293 "Rockstar Classics") | |0x3B|| Grand Theft Auto 3 (SLPM-55293 "Rockstar Classics") | ||
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**1 [Dark Cloud] and [Dead Or Alive 2 Hardcore] | **1 [Dark Cloud] and [Dead Or Alive 2 Hardcore] | ||
{{Boxcomm|id=0x0A|name=EE_INSN_REPLACE32|data=uint32_t count, <List> ( | {{Boxcomm|id=0x0A|name=EE_INSN_REPLACE32|data=uint32_t count, <List> (offset, original opcode, replace opcode)}} | ||
Command present only in the ps2_netemu. Maximum List Count: 32 | Command present only in the ps2_netemu. Maximum List Count: 32 | ||
*Valid values found | |||
* | **1 [Deadly Strike] | ||
* | **2 [Dragon Force] | ||
* | |||
{{Boxcomm|id=0x0B|name=MECHA_SET_PATCH|data=1x uint32_t count, <List> {sector id, offset, sizeof present opcodes, replace opcodes, original opcodes)}} | {{Boxcomm|id=0x0B|name=MECHA_SET_PATCH|data=1x uint32_t count, <List> {sector id, offset, sizeof present opcodes, replace opcodes, original opcodes)}} | ||
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|- | |- | ||
| Up to 0x41 || 15686 || 3.70 or newer | | Up to 0x41 || 15686 || 3.70 or newer | ||
|- | |- | ||
| Up to 0x43 || 16604 || 4.20 or newer | | Up to 0x43 || 16604 || 4.20 or newer | ||
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mode 0x01 = set disc switch state to 1 (on next mecha main loop it will emulate opening the tray). | mode 0x01 = set disc switch state to 1 (on next mecha main loop it will emulate opening the tray). | ||
mode 0x02 = set disc switch state to 3. | mode 0x02 = set disc switch state to 3. | ||
mode 0x03 = set disc switch state to 3 | mode 0x03 = set disc switch state to 3. | ||
mode 0x04 = set disc switch state to 2. | mode 0x04 = set disc switch state to 2. | ||
mode anything else = do nothing. | mode anything else = do nothing. | ||
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another 0x4C but with (offset, 0xFFFFFFFF, 4 * 0x00000000 . This config have very similar usage to 0x4B, just redirect to different iso, instead to | another 0x4C but with (offset, 0xFFFFFFFF, 4 * 0x00000000 . This config have very similar usage to 0x4B, just redirect to different iso, instead to | ||
different MC. Currently is unknown that cobra patched emulators support that config properly, and swap disc thru 0x00 command seems to be easier. | different MC. Currently is unknown that cobra patched emulators support that config properly, and swap disc thru 0x00 command seems to be easier. | ||
This config don't work if 0x00 multidisc config is detected. | This config don't work if 0x00 multidisc config is detected. | ||
{{Boxcomm|id=0x4D|name=Unknown|data=1x uint32_t}} | {{Boxcomm|id=0x4D|name=Unknown|data=1x uint32_t}} | ||
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! Bug !! Description !! Known Affected Games | ! Bug !! Description !! Known Affected Games | ||
|- | |- | ||
| No mipmapping support || Emulator does ignore the mipmap layers, probably for performance reasons. It is processing only the level 0 texture base pointer specified in the TEX0 register. There are games writing garbage data into that memory area, when the mipmap level is different than zero. As a result, a garbled texture is shown instead of a correct one. || Ace Combat series, Ape Escape 2, EA Sports F1 series, Harry Potter series, ICO (psuedo volumetric rays), Jak and Daxter series, Nickelodeon Barnyard and Nicktoons Unite (very strange implementation), Ratchet and Clank series and more. | | No mipmapping support || Emulator does ignore the mipmap layers, probably for performance reasons. It is processing only the level 0 texture base pointer specified in the TEX0 register. There are games writing a garbage data into that memory area, when the mipmap level is different than zero. As a result, a garbled texture is shown instead of a correct one. || Ace Combat series, Ape Escape 2, EA Sports F1 series, Harry Potter series, ICO (psuedo volumetric rays), Jak and Daxter series, Nickelodeon Barnyard and Nicktoons Unite (very strange implementation), Ratchet and Clank series and more. | ||
|- | |- | ||
| | | SCANMSK register ignored || Emulator does ignore the SCANMSK setting responsible for restricting the drawing primitives on the odd or even lines. It is used as a fake transparency effect in some games by merging the two display circuits. || Metal Gear Solid series (heavy used in the MGS2 on the water and reflection effects), Gran Turismo series (ghost cars), Raw Danger! (depth of field/tonemapping effect) | ||
|- | |- | ||
|} | |} | ||
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* http://wiki.pcsx2.net/index.php/Category:Software_rendering_only_games | * http://wiki.pcsx2.net/index.php/Category:Software_rendering_only_games | ||
{{Reverse engineering}}<noinclude> | {{Reverse engineering}}<noinclude>[[Category:Main]]</noinclude> | ||
[[Category:Main]] | |||
</noinclude> | |||