The Trap Door: Routine at CC78

CC78: Script Routine: (4A) Task-four entity action

Lower the task-four creature one character.

Input
IX	Address of complex state data for an entity

ScriptRoutine_TaskFourLowerY

CC78

LD A,(IX+$05)

Load A with the current entity's y-coordinate.

CC7B

ADD A,$04

Add 04 to A (step a coordinate/index).

CC7D

LD (IX+$05),A

Set the current entity's y-coordinate.

CC80

LD A,(IX+$06)

Load A with the current entity's y-extent.

CC83

ADD A,$04

Add 04 to A (step a coordinate/index).

CC85

LD (IX+$06),A

Set the current entity's y-extent.

CC88

Jump to AdvanceScriptInstruction to run the next script instruction.