add extension for fractional EXP multipliers on BB

system/client-functions/BlueBurstExclusive/FractionalEXPMultiplier.59NL.patch.s

@@ -0,0 +1,63 @@
+# This patch changes the 6xDD command to support fractional multipliers.
+
+.meta name="Fractional EXP multiplier"
+.meta description=""
+.meta hide_from_patches_menu
+
+entry_ptr:
+reloc0:
+  .offsetof start
+start:
+  call      install_hook
+  call      apply_static_patches
+  fild      st0, dword [0x009F9EE0]
+  fstp      dword [0x009F9EE0], st0
+  ret
+
+
+
+install_hook:
+  pop       ecx
+  push      7
+  push      0x0078747E
+  call      get_code_size
+  .deltaof  hook_start, hook_end
+get_code_size:
+  pop       eax
+  push      dword [eax]
+  call      hook_end
+hook_start:  # [eax, ebx]() -> void
+  push      edx
+  fild      st0, dword [esp]
+  fld       st0, dword [0x009F9EE0]
+  fmulp     st1, st0
+  fistp     dword [esp], st0
+  pop       edx
+  ret
+hook_end:
+  push      ecx
+  .include  WriteCallToCode-59NL
+
+
+
+apply_static_patches:
+  .include WriteCodeBlocksBB
+  .data    0x00787998
+  .deltaof handle_6xDD_start, handle_6xDD_end
+handle_6xDD_start:  # [std](G_6xDD* cmd @ [esp + 4]) -> void
+  mov      eax, [esp + 4]
+  test     eax, eax
+  je       handle_6xDD_ret
+  cmp      byte [eax + 1], 1
+  jg       handle_6xDD_use_float
+  fild     st0, word [eax + 2]
+  jmp      handle_6xDD_write_float
+handle_6xDD_use_float:
+  fld      st0, dword [eax + 4]
+handle_6xDD_write_float:
+  fstp     dword [0x009F9EE0], st0
+handle_6xDD_ret:
+  ret
+handle_6xDD_end:
+  .data    0x00000000
+  .data    0x00000000