| Routines

7BEB: Update the SRB for ERIC or his pellet and scroll the screen if necessary

Used by the routine at 720A. Updates the screen refresh buffer (SRB) for ERIC's new animatory state and location when he's riding the bike, or ERIC's pellet's new location as it flies through the air.
Input
A | ERIC's/pellet's new animatory state
D | ERIC's/pellet's new y-coordinate
E | ERIC's/pellet's new x-coordinate
H | Character number: 0xD2 (ERIC) or 0xD6 (ERIC's pellet)
7BEB | CALL $6130 | Update the animatory state and location of ERIC or his pellet and update the SRB
7BEE | LD A,H | A=character number
7BEF | CP $D2 | Is this ERIC?
7BF1 | RET NZ | Return if not
7BF2 | JP $6E12 | Scroll the screen if necessary