This hack allows the storage of a mushroom or fire flower item. Similar to Super Mario World. Also, you can now store a star as well. Item boxes have been added to the status bar. To use the star, simply press the UP button and the B button at the same time. To use the mushroom or fire flower you have in storage, press the SELECT button. Use floating IPS for patching.
Database match: Super Mario Bros. (World)
Database: No-Intro: Nintendo Entertainment System (v. 20210216-231042)
File SHA-1: EA343F4E445A9050D4B4FBAC2C77D0693B1D0922
File CRC32: 3337EC46
ROM SHA-1: FACEE9C577A5262DBE33AC4930BB0B58C8C037F7
ROM CRC32: D445F698