You need to hack your vita first.

https://vita.hacks.guide

You need a sd2vita and a micro SD card.

https://www.cfwaifu.com/sd2vita/

You can also send files via ftp.

Filezilla:

https://filezilla-project.org/download.php

To send files using ftp, you need to launch VitaShell and press the [Select] button to activate FTP or USB mode.

In VitaShell, press [Start] and select [SELECT button] to toggle between FTP and USB mode.

In filezilla enter the address displayed on your PS Vita in the Host selection. And 1337 in the Port selection.

Host: [ftp://xxx.xxx.xxx.xxx] Port: [1337]

Press Quickconnect.

Press o on your vita to stop the ftp.

You also need basilist Il for ps vita:

https://archive.org/download/macos755_202405/BasiliskII_Vita_v0.33h.vpk

Install the vpk in the usual way. Then copy the Basilisk ll folder in the archive to ux0:data.

Mac os 7.5.5 bootable disk image:

http://www.unna.org/unna/development/NewtonDev/macos755-boot.zip

Extract macos755-boot.zip and copy macos755.disk to ux0:data/BasiliskII/hardfiles

Performa 630 rom:

https://github.com/macmade/Macintosh-ROMs/blob/main/Performa-630.ROM

Copy Performa-630.ROM to ux0:data/BasiliskII/roms

You can also download everything from here:

https://drive.google.com/drive/folders/1j3XylTz97xpeTbg-If9mRr8-pjzQoJJK?usp=drive_link

https://archive.org/details/macos755_202405

You also can download mac os 7.X.X and 8.X here:

https://winworldpc.com/product/mac-os-7/75

https://winworldpc.com/product/mac-os-8/80-final

https://web.archive.org/web/20210414042543/https://redundantrobot.com/sheepshaver

https://github.com/macmade/Macintosh-ROMs

Start Basilisk II go to Graphics/Sound and change the screen mode to 512x384.

Go back and go to Memory/Misc and set MacOS RAM Size (MB) to 64.

Set Mac Model ID to Mac IIci (MacOS 7.x)

Set CPU Type to 68040

Press ROM file and select Performa-630.ROM

Go back and go to Volumes.

Set Boot From to Any

Set Vita MemStick to on

Press File and select macos755.disk

Go back and press o to start mac os 7.5.5

The end result should look like this:

https://old.reddit.com/r/vitahacks/comments/16dzp7o/run_mac_os_755_on_your_ps_vita/

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