• Opcode: 0x072
• Short name: LSCROLL
• Long name: L? Scroll

Argument

none

Stack

X

Y

Frame count

LSCROLL

Description

Starts a background/camera scroll toward target offset (X, Y), taking frame count frames to get there. The handler pops the three words (frame count first, then Y, then X), stores them in the shared scroll state (FIELD_SCROLL_TARGET_X, FIELD_SCROLL_TARGET_Y, FIELD_SCROLL_DURATION) and selects scroll mode 4 (FIELD_SCROLL_MODE = 4), resetting the scroll phase to 0. The opcode only arms the scroll and returns immediately; use SCROLLSYNC to wait for completion.

LSCROLL differs from DSCROLL (mode 3) only in the mode index it writes: DSCROLL takes no duration (snaps directly), LSCROLL interpolates over frame count, and CSCROLL (mode 5) uses the same three parameters with a different interpolation curve.

PC handler: SCRIPT_LSCROLL.

Function addresses

Function	Address	Description
SCRIPT_LSCROLL	0x520C90	Field script opcode handler (verified IDA function)