Issues

• GS CPU backend: DrawSprite, DrawLine and points drop the sub-pixel part of XYZ and XYOFFSET

  ran-j/PS2Recomp#365 · Filter by author danfreitas97 opened on Oct 18, 2026

• GS CPU rasterizer has no fill rule: pixels on shared triangle edges are drawn twice

  ran-j/PS2Recomp#362 · Filter by author Boodax78 opened on Oct 18, 2026

• sceVu0MulMatrix HLE stub multiplies its two source matrices in the opposite order to libvu0

  ran-j/PS2Recomp#361 · Filter by author Boodax78 opened on Oct 18, 2026

• EE sceCdStatus stub always reports READ (6), hanging games that wait for PAUSE

  ran-j/PS2Recomp#360 · Filter by author Boodax78 opened on Oct 18, 2026

• Boot hangs when CD search and IOP module loading depend on BIOS LOADFILE/CDVDFSV servers

  ran-j/PS2Recomp#358 · Filter by author AlenDavid opened on Oct 18, 2026

• MoH Vanguard (SLUS-21597) bring-up: 18.9k functions recompiled with 0 undecoded instructions — generated code builds, links and boots to guest execution (+ toolchain findings)

  ran-j/PS2Recomp#351 · Filter by author LeandroSSB opened on Oct 17, 2026

• VU0 macro VSQI / VSQD: address and source registers swapped in generated code

  ran-j/PS2Recomp#309 · Filter by author Boodax78 opened on Oct 15, 2026

• recomp

  ran-j/PS2Recomp#288 · Filter by author araoxx opened on Oct 13, 2026

• Runtime: SampleTexture casts unbounded or NaN texture coordinates to int, which is undefined behaviour

  ran-j/PS2Recomp#273 · Filter by author penpenlovesrei-dotcom opened on Oct 1, 2026
  2

• Game overrides registered from the static library are silently never applied (static-initializer discard)

  ran-j/PS2Recomp#264 · Filter by author penpenlovesrei-dotcom opened on Sep 30, 2026

• Build: /Qspectre- is MSVC-only and breaks every Release target under clang-cl

  ran-j/PS2Recomp#263 · Filter by author penpenlovesrei-dotcom opened on Sep 30, 2026

• Recompiler: vcallmsr reads ctx->vi[27], out of bounds on uint16_t vi[16], instead of ctx->vu0_cmsar0

  ran-j/PS2Recomp#262 · Filter by author penpenlovesrei-dotcom opened on Sep 30, 2026
  1

• Build: x86-64 needs an explicit -msse4.1 for clang/GCC, since the generated code uses SSE4.1 intrinsics

  ran-j/PS2Recomp#261 · Filter by author penpenlovesrei-dotcom opened on Sep 30, 2026

• Recompiler: resuming inside the delay slot of an always-taken branch falls through instead of continuing at the target

  ran-j/PS2Recomp#260 · Filter by author penpenlovesrei-dotcom opened on Sep 30, 2026

• Runtime: GuestThread::stack holds a base after CreateThread but a top after SetupThread

  ran-j/PS2Recomp#259 · Filter by author penpenlovesrei-dotcom opened on Sep 30, 2026

• Runtime: async invocation stacks alias thread stacks, so every interrupt handler corrupts the interrupted frame's return address

  ran-j/PS2Recomp#258 · Filter by author penpenlovesrei-dotcom opened on Sep 30, 2026

• Runtime: writes to D_ENABLEW (0x1000F590) are never visible at D_ENABLER (0x1000F520), hanging any game that suspends the DMAC

  ran-j/PS2Recomp#257 · Filter by author penpenlovesrei-dotcom opened on Sep 30, 2026
  1

• Trailing integer arguments: the variadic stack base, SifRegisterRpc's decode, and the register-then-stack fallbacks

  enhancementrunime
  ran-j/PS2Recomp#196 · Filter by author smmathews opened on Aug 1, 2026
  1

• [Gran Turismo 4] Error: Unaligned function table entry for FUN_0100015e_0x100015e at 0x100015e

  bugrecompiler
  ran-j/PS2Recomp#171 · Filter by author teamkill3d opened on Jul 17, 2026

• Floating-point precision issues in VU0 (macrocode/microcode) and VU1

  bugrecompiler
  ran-j/PS2Recomp#165 · Filter by author gustavoauneth opened on Jul 8, 2026
  

• FPU instructions do not update FPU state consistently

  bugrunime
  ran-j/PS2Recomp#164 · Filter by author jeff-shulkin opened on Jul 8, 2026
  

• PS2 COP0 Instruction Unit Tests

  enhancementrecompiler
  ran-j/PS2Recomp#163 · Filter by author jeff-shulkin opened on Jul 8, 2026

• PS2 FPU Instruction Unit Tests

  enhancementrecompiler
  ran-j/PS2Recomp#162 · Filter by author jeff-shulkin opened on Jul 8, 2026

• PS2 VU1 Instruction Unit Tests

  enhancementrecompiler
  ran-j/PS2Recomp#161 · Filter by author jeff-shulkin opened on Jul 8, 2026

• PS2 General Instruction Unit Tests

  enhancementrecompiler
  ran-j/PS2Recomp#160 · Filter by author jeff-shulkin opened on Jul 8, 2026