Features:

- Displays frame-counter RTA timing 
- Hold L to disable screen lock while playing to skip waves.
- Press L+R to change Turtle while playing. (Player 1 and 2)
- Press start+R to win screen and go to the next section.

The following functions performed while pause, they take effect once unpause:

- Press start while paused to rotate levels. Stage is shown on the top left. 
- Press L+R to while pause reset section to turtle select screen.
- Pressing the Right on the D-Pad will set a boss flag for it to re-spawn. Pressing left will disable it again

Options:
- Selection of 5 lives is changed to 99 in the option menu

known bugs:
- Boss loop double spawns when they come in packs.
- Krank at the last stage is bugged when reset (graphic).
- Shredder is not looped as he occopies a section that can be reset.
- Skipping waves with disableing screen lock can break the game too. So skip with this in mind. But it is easy to reset.





Or use src files to patch.
Put following ROM in the source folder and rename to TMNT4.sfc
	ROM info:

	Database match: Teenage Mutant Ninja Turtles IV - Turtles in Time (USA)
	Database: No-Intro: Super Nintendo Entertainment System (v. 20210222-050638)
	File/ROM SHA-1: 4F8FC0F45023E0339E501054B253C33F479A001A
	File/ROM CRC32: 5940BD99

The make.bat file will patch the main.asm to the ROM

In game saveState remains broken but there is some code for it in the asm file.