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This is for playing Touhou 6, 東方紅魔郷 〜 the Embodiment of Scarlet Devil, at normal speed at 120fps. This is intended for use with the vpatch for Touhou 6, to limit your fps to 120. I believe you must also use the dgVoodo DX8 to DX9 converter.

Just download the exe, preferably make a backup of your previous exe by renaming it, and replace it with the downloaded one. Then change your vpatch.ini to 120fps and run the vpatch. If you are playing in English, follow the vpatch directions for Touhou 6, you must change the exe name to "th06.exe". (Disclaimer: no idea if any problem will crop up here)
This exe was modified after both update patches were applied. This was just done by byte-patching the exe, changing immediate values in instructions and inserting instructions for new logic where required.

Note: for use with the Touhou Practice mod (thprac), you must start the game first then start the mod. It does not recognize the modified exe when trying to start with the mod.
When I'm less lazy, I'll try to set the mod up on a fresh install so I know it will work for others.
Bug list:

• One of Remilia's attacks has less of a "trailing" visual effect
• The main menu demo is expectedly de-synced
• The game stops replays from being recorded if the refresh rate is above 60, there may or may not be a simple fix to this
• However, replay compatibility between the 60hz and 120hz versions would be hard to implement, not sure if I will tackle this
• Marisa's A and B shots deal double damage (besides the base shot) This was fixed by making the collision detection and damage calculation for player bullets run only every other frame
• Sakuya's time stop attacks spawn twice as many knifes Seemingly fixed by doubling certain values in the specific attack logic

I am currently working on Touhou 7, it resembles a working state but there is a huge bug where the Stage 4 boss cannot be damaged under some unknown conditions. (Update: This is proving to be very challenging)

Last updated February 2021