Editing PS2 Emulation
Jump to navigation
Jump to search
The edit can be undone. Please check the comparison below to verify that this is what you want to do, and then publish the changes below to finish undoing the edit.
Latest revision | Your text | ||
Line 167: | Line 167: | ||
| || Speedhacks / Desync Fixes|| || | | || Speedhacks / Desync Fixes|| || | ||
|- | |- | ||
| --ee-cycle-scalar || | | --ee-cycle-scalar || Accelerate EE cycles: (0.999 => 0.100)<br>Decelerate EE cycles: (1.001 => 5.000) || Can benefit core sync or performance (too much deceleration can cause stuttery fmvs.) The default value for most emulators is ~1.0. It is highly sensitive, as any slight change may break or fix the game. (Possibly divides 100 with the entered value and sets the result as EE's clock speed percentage % .) || --ee-cycle-scalar=1.0 | ||
|- | |- | ||
| --ee-context-switch-cycles || Accelerate cycles (360 => 0) <br>Decelerate cycles (361 => ∞ ) || Its effects are mysterious | | --ee-context-switch-cycles || Accelerate cycles (360 => 0) <br>Decelerate cycles (361 => ∞ ) || Its effects are mysterious, but likely affect COP0. Does not work on Jak emulators. Default value is 360. Seems to be useful for Bee Movie, Metal Gear Solid 3, as well as others with IPU issues.|| --ee-context-switch-cycles=2700? | ||
|- | |- | ||
| [[--ee-hook|--ee-hook]] || AdvanceClock<br>FastForwardClock<br>Mfifodrain || Runs the specified functionality each time a selected EE offset is reached. FastForwardClock and AdvanceClock help fix core sync issues, but can be used as a speedhack. It is believed that AdvanceClock stalls the EE for a specified amount of cycles, while FastForwardClock behaves similarly. They are commonly used on affected COP2 instructions. Mfifodrain is still unknown. [[--ee-hook|For more examples]] ||--ee-hook=0x0025A9F2,AdvanceClock,,500 <br>--ee-hook=0x0019F0AD,FastForwardClock | | [[--ee-hook|--ee-hook]] || AdvanceClock<br>FastForwardClock<br>Mfifodrain || Runs the specified functionality each time a selected EE offset is reached. FastForwardClock and AdvanceClock help fix core sync issues, but can be used as a speedhack. It is believed that AdvanceClock stalls the EE for a specified amount of cycles, while FastForwardClock behaves similarly. They are commonly used on affected COP2 instructions. Mfifodrain is still unknown. [[--ee-hook|For more examples]] ||--ee-hook=0x0025A9F2,AdvanceClock,,500 <br>--ee-hook=0x0019F0AD,FastForwardClock | ||
Line 361: | Line 361: | ||
| || Graphical fixes || || | | || Graphical fixes || || | ||
|- | |- | ||
| --vu-xgkick-delay || Limit is between (0 => 31) || Delay xgkick instruction execution. PCSX2 uses 6 cycles, PS3 uses 2-8 cycles depending on the game. | | --vu-xgkick-delay || Limit is between (0 => 31) || Delay xgkick instruction execution. PCSX2 uses 6 cycles, PS3 uses 2-8 cycles depending on the game. Lowering the value can potentially restore missing graphics, while increasing it can possibly fix games freezing at splash screen. || --vu-xgkick-delay=8 | ||
|- | |- | ||
| --vu-custom-min-max || 0, 1 || Custom Max/Mini logic for denormals. Disabled on pcsx2 by default but enabled by default on a couple of emus such as jakv2. Disabling it could potentially restore missing graphics.|| --vu-custom-min-max=0 | | --vu-custom-min-max || 0, 1 || Custom Max/Mini logic for denormals. Disabled on pcsx2 by default but enabled by default on a couple of emus such as jakv2. Disabling it could potentially restore missing graphics by speeding up the vector units.|| --vu-custom-min-max=0 | ||
|- | |- | ||
|-style="background-color:#D7EF54" | |-style="background-color:#D7EF54" | ||
Line 370: | Line 370: | ||
| --vu-hack-triace || 0, 1 || A hack designed specifically for games developed by Tri Ace. Corrects the VU's addi calculation. Without it, the result will be one bit off, which is enough to break the game's decryption algo. || --vu-hack-triace=1 | | --vu-hack-triace || 0, 1 || A hack designed specifically for games developed by Tri Ace. Corrects the VU's addi calculation. Without it, the result will be one bit off, which is enough to break the game's decryption algo. || --vu-hack-triace=1 | ||
|- | |- | ||
| --vu-branch-hazard || 0, 1 || | | --vu-branch-hazard || 0, 1 || Disabling it managed to prevent "Batman - Rise of Sin Tzu" from crashing|| --vu-branch-hazard=0 | ||
|- | |- | ||
| --vu-evil-branches || 0, 1 || Take in count branch in delay slot, or not. [https://github.com/PCSX2/pcsx2/blob/58f5a5b915915293b90e7e8f34c33f9c0424d1e8/pcsx2/x86/microVU_Misc.h#L306 More Info]|| | | --vu-evil-branches || 0, 1 || Take in count branch in delay slot, or not. [https://github.com/PCSX2/pcsx2/blob/58f5a5b915915293b90e7e8f34c33f9c0424d1e8/pcsx2/x86/microVU_Misc.h#L306 More Info]|| | ||
Line 415: | Line 415: | ||
| --vu1-di-bits || 0, 1 || 0 Skips setting invalid, and Divides by zero flags in status register. Can be used as a speedhack as it can skip costly calculations. But at the same time, it can cause issues such as broken geometry. || --vu1-di-bits=0 | | --vu1-di-bits || 0, 1 || 0 Skips setting invalid, and Divides by zero flags in status register. Can be used as a speedhack as it can skip costly calculations. But at the same time, it can cause issues such as broken geometry. || --vu1-di-bits=0 | ||
|- | |- | ||
| --vu1-const-prop || 0, 1|| Enabled by default. 0 will disable it and cause performance issues | | --vu1-const-prop || 0, 1|| Enabled by default. 0 will disable it and cause performance issues with higher compatability.[https://github.com/PCSX2/pcsx2/blob/58f5a5b915915293b90e7e8f34c33f9c0424d1e8/pcsx2/x86/microVU_Misc.h#L312 More info] || --vu1-const-prop=1 | ||
|- | |- | ||
| --vu1-opt-flags || 0, 1, 2 || Optimize flags upon recompilation (1 is safe, 2 update sticky, and mac flag on every status flag update) [https://github.com/PCSX2/pcsx2/blob/58f5a5b915915293b90e7e8f34c33f9c0424d1e8/pcsx2/x86/microVU_Misc.h#L280 More Info] || --vu1-opt-flags=0 | | --vu1-opt-flags || 0, 1, 2 || Optimize flags upon recompilation (1 is safe, 2 update sticky, and mac flag on every status flag update) [https://github.com/PCSX2/pcsx2/blob/58f5a5b915915293b90e7e8f34c33f9c0424d1e8/pcsx2/x86/microVU_Misc.h#L280 More Info] || --vu1-opt-flags=0 | ||
Line 421: | Line 421: | ||
| --vu1-opt-vf00 || 0, 1, 2 || Optimization for the vf00 register. || --vu1-opt-vf00=2 | | --vu1-opt-vf00 || 0, 1, 2 || Optimization for the vf00 register. || --vu1-opt-vf00=2 | ||
|- | |- | ||
| --vu1-jr-cache-policy || newprog, sameprog, auto, new, same || PCSX2 uses newprog as | | --vu1-jr-cache-policy || newprog, sameprog, auto, new, same || PCSX2 uses newprog as default setting. Setting it into newprog has been proven to fix some crashes [https://github.com/PCSX2/pcsx2/blob/58f5a5b915915293b90e7e8f34c33f9c0424d1e8/pcsx2/x86/microVU_Misc.h#L319 Info] || --vu1-jr-cache-policy=newprog | ||
|- | |- | ||
| --vu1-jalr-cache-policy || newprog, sameprog, auto, new, same || PCSX2 uses newprog as | | --vu1-jalr-cache-policy || newprog, sameprog, auto, new, same || PCSX2 uses newprog as default setting. Setting it into newprog has been proven to fix some crashes [https://github.com/PCSX2/pcsx2/blob/58f5a5b915915293b90e7e8f34c33f9c0424d1e8/pcsx2/x86/microVU_Misc.h#L319 Info] || --vu1-jalr-cache-policy=newprog | ||
|- | |- | ||
|-style="background-color:#D7EF54" | |-style="background-color:#D7EF54" | ||
Line 430: | Line 430: | ||
| --vu1 || jit-sync || Selector between IR/JIT and it modes. Jit-sync works similarly to disabling MTVU. jit, trans, and jit-async are unimplemented functions that do not change anything. || --vu1=jit-sync | | --vu1 || jit-sync || Selector between IR/JIT and it modes. Jit-sync works similarly to disabling MTVU. jit, trans, and jit-async are unimplemented functions that do not change anything. || --vu1=jit-sync | ||
|- | |- | ||
| --vu1-no-clamping || 0,1 || Changes the clamping behavior of the VU1. Setting specific to ps4 emulators, unimplemented in pcsx2 | | --vu1-no-clamping || 0,1 || Changes the clamping behavior of the VU1. Setting specific to ps4 emulators, unimplemented in pcsx2. The default emulator's behavior cannot be set by CLI commands. || --vu1-no-clamping=0 | ||
|- | |- | ||
| --vu1-clamp-range || vu1 memory offset start,end (0x0 - 0x7FF) || Values must not exceed 0x7FF || | | --vu1-clamp-range || vu1 memory offset start,end (0x0 - 0x7FF) || Values must not exceed 0x7FF || | ||
Line 478: | Line 478: | ||
| --vu0-opt-flags || 0, 1, 2 || Optimize flags upon recompilation (1 is safe, 2 update sticky, and mac flag on every status flag update) [https://github.com/PCSX2/pcsx2/blob/58f5a5b915915293b90e7e8f34c33f9c0424d1e8/pcsx2/x86/microVU_Misc.h#L280 More Info] || --vu0-opt-flags=1 | | --vu0-opt-flags || 0, 1, 2 || Optimize flags upon recompilation (1 is safe, 2 update sticky, and mac flag on every status flag update) [https://github.com/PCSX2/pcsx2/blob/58f5a5b915915293b90e7e8f34c33f9c0424d1e8/pcsx2/x86/microVU_Misc.h#L280 More Info] || --vu0-opt-flags=1 | ||
|- | |- | ||
| --vu0-jr-cache-policy || newprog, sameprog, auto, new, same || PCSX2 | | --vu0-jr-cache-policy || newprog, sameprog, auto, new, same || PCSX2 use newprog as default setting [https://github.com/PCSX2/pcsx2/blob/58f5a5b915915293b90e7e8f34c33f9c0424d1e8/pcsx2/x86/microVU_Misc.h#L319 Info] || --vu0-jr-cache-policy=sameprog | ||
|- | |- | ||
| --vu0-jalr-cache-policy || newprog, sameprog, auto, new, same || PCSX2 | | --vu0-jalr-cache-policy || newprog, sameprog, auto, new, same || PCSX2 use newprog as default setting [https://github.com/PCSX2/pcsx2/blob/58f5a5b915915293b90e7e8f34c33f9c0424d1e8/pcsx2/x86/microVU_Misc.h#L319 Info] || --vu0-jalr-cache-policy=sameprog | ||
|-style="background-color:#D7EF54" | |-style="background-color:#D7EF54" | ||
| || Game fixes || || | | || Game fixes || || | ||
Line 486: | Line 486: | ||
| --vu0-clamp-range || start, end offset (0x0 - 0x1FF) || per range clamping for VU0 || --vu0-clamp-range=0x100,0x120 | | --vu0-clamp-range || start, end offset (0x0 - 0x1FF) || per range clamping for VU0 || --vu0-clamp-range=0x100,0x120 | ||
|- | |- | ||
| --vu0-no-clamping || 0,1 || Changes the clamping behavior of the VU0. Setting specific to ps4 emulators, unimplemented in pcsx2. The default emulator's | | --vu0-no-clamping || 0,1 || Changes the clamping behavior of the VU0. Setting specific to ps4 emulators, unimplemented in pcsx2. The default emulator's behavior cannot be set by CLI commands. || --vu0-no-clamping=0 | ||
|- | |- | ||
| --vu0-accurate-addsub-range || offset (0x0 - 0x1FF) ||Allows the VU0 to accurately Add/Subtract in the specified ee memory range by using software floats rather than hardware floats.|| | | --vu0-accurate-addsub-range || offset (0x0 - 0x1FF) ||Allows the VU0 to accurately Add/Subtract in the specified ee memory range by using software floats rather than hardware floats.|| |