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[BCJS30022] 60fps Patch for Demon's Souls Japan version? - Printable Version

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+--- Thread: [BCJS30022] 60fps Patch for Demon's Souls Japan version? (/showthread.php?tid=201803)



[BCJS30022] 60fps Patch for Demon's Souls Japan version? - onkeh - 05-04-2020

Hello all thank you for reading. I followed the instructions on the wiki here:

https://wiki.rpcs3.net/index.php?title=Help:Game_Patches#Demon.27s_Souls

And replaced PPU id with one from RPCS3.log and put it patch.yml like this:

Code:
PPU-60035666cb9c76c41bf9fe7cd76d2316a6755077: # BCJS30022
# Set 60FPS with no frameskip
# by Gibbed
  - [ be16, 0x25ed8, 0x981f ]

# delta time
# by Whatcookie
  - [ be32, 0x0001b964, 0x496ac2cd ] # jump to code cave

# get mftb
  - [ be32, 0x016c7c30, 0x7eac42e6 ] # mftb r21              // Move from timebase register (clock)

# get mftb delta
  - [ be32, 0x016c7c34, 0x3ec00185 ] # lis r22,0x0185        // load high bits of address
  - [ be32, 0x016c7c38, 0x3ad62608 ] # addi r22,r22,0x2608  // load low bits of address
  - [ be32, 0x016c7c3c, 0x7e96a02a ] # ldx r20,r22,r20      // load previous frames mftb reading
  - [ be32, 0x016c7c40, 0xfab60000 ] # std r21,0x0(r22)      // store this frames mftb reading
  - [ be32, 0x016c7c44, 0x7e74a850 ] # subf r19,r21,r20      // subtract previous mftb reading from this mftb frames reading

# mftb delta to float
  - [ be32, 0x016c7c48, 0xfa760018 ] # std r19,0x18(r22)    // store mftb delta (to be loaded into FPR)
  - [ be32, 0x016c7c4c, 0xcbd60018 ] # lfd f30,0x18(r22)    // load mftb delta into FPR
  - [ be32, 0x016c7c50, 0xffc0f69c ] # fcfid f30,f30        // convert integer to double
  - [ be32, 0x016c7c54, 0xffc0f018 ] # frsp f30,f30          // round to single precision

# mftb delta to seconds
  - [ be32, 0x016c7c58, 0x3e40016c ] # r18,0x16c            // load high bits constants pointer
  - [ be32, 0x016c7c5c, 0x3a527c30 ] # addi r18,r18,0x7c30  // load low bits of constants pointer
  - [ be32, 0x016c7c60, 0xc3b20054 ] # lfs f29,0x54(r18)    // load timebase frequency constant
  - [ be32, 0x016c7c64, 0xc3920058 ] # lfs f28,0x58(r18)    // load maximum timestep size
  - [ be32, 0x016c7c68, 0xeffee824 ] # fdivs f31,f30,f29    // divide timebase delta by timebase frequency

# check timestep size
  - [ be32, 0x016c7c6c, 0xff9fe000 ] # fcmpu cr7,f31,f28    // compare current delta time to maximum timestep
  - [ be32, 0x016c7c70, 0x419c0008 ] # blt +0x08            // don't return the maximum timestep size

# set maximum timestep
  - [ be32, 0x016c7c74, 0xffe0e090 ] # fmr f31,f28          // move maximum timestep to be returned

# cleanup
  - [ be32, 0x016c7c78, 0x7e94a278 ] # xor r20,r20,r20      // zero r20
  - [ be32, 0x016c7c7c, 0x7e94a278 ] # xor r19,r19,r19      // zero r19
  - [ be32, 0x016c7c80, 0x4e800020 ] # blr                  // return

# constants
  - [ be32, 0x016c7c84, 0x4c989680 ]  # timebase frequency as hexfloat (80mhz)
  - [ bef32, 0x016c7c88, 0.05000000 ] # maximum timestep size (50ms or 20FPS)

However the game still runs at 30fps cap. Does anyone have idea of what is wrong? I attached RPCS3 log. Thank you!


RE: [BCJS30022] 60fps Patch for Demon's Souls Japan version? - Ani - 05-04-2020

It means the EBOOT is different and a different patch is needed


RE: [BCJS30022] 60fps Patch for Demon's Souls Japan version? - onkeh - 05-06-2020

I realize missing patch 1.04! Installed and updated PPU, now just white screen and emulation hangs on start up!

New PPU hash: PPU-68544b29e92609ccb2710f485ae7708e4cb35df1

Screenshot attached


RE: [BCJS30022] 60fps Patch for Demon's Souls Japan version? - Ani - 05-06-2020

Different executables have different memory locations, if you use a patch for one executable in a completely different executable you're going to patch a random area of the code and very likely break something completely at random