This patch changes the player character from lying down to crouching. See screenshots. This patch is for the Japanese SuperC.
Database match: Super Contra (Japan)
Database: No-Intro: Nintendo Entertainment System (v. 20210216-231042)
File SHA-1: 5DE393E3AD83E6E185E6D338684D7A4475B7D2CE
File CRC32: 9BB6059E
ROM SHA-1: C7361A39716DCD0364D0AD518D5D5EBD4BA56F87
ROM CRC32: B1250D0C