The Trap Door: Routine at C027

C027: Script Routine: (27) Task-two entity action

Spawn or refresh a helper entity from the current task-two state.

Input
IX	Address of complex state data for an entity

ScriptRoutine_TaskTwoSpawnHelper

C027

LD A,(IX+$04)

Load A with the current entity's room index.

C02A

LD B,(IX+$06)

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

C02D

LD C,(IX+$07)

Load C with the current entity's x-coordinate.

C030

LD IY,$8FD7

Point IY at the spawned-helper entity (StateData_Complex_17).

C034

LD (IY+$00),$06

Write 06 to the referenced entity's entity type.

C038

LD (IY+$04),A

Set the referenced entity's room index.

C03B

INC C

Advance the helper's x-coordinate in C by one.

C03C

LD (IY+$07),C

Store C in the referenced entity's x-coordinate.

C03F

INC C

Advance the helper's x-extent base in C by one.

C040

LD (IY+$08),C

Store C in the referenced entity's x-extent.

C043

INC B

Step the Y value in B on by one.

C044

LD (IY+$05),B

Store B in the referenced entity's y-coordinate.

C047

INC B

Step the Y value in B on by one.

C048

LD (IY+$06),B

Store B in the referenced entity's y-extent.

C04B

SET 7,(IY+$01)

Set bit 07 of the referenced entity's flags byte 1.

C04F

LD A,($72B3)

Load A with the game event flags (GameEventFlags).

C052

SET 0,A

Set bit 00 of game event flags.

C054

LD ($72B3),A

Set the game event flags (GameEventFlags).

C057

LD A,($72C0)

Load A with the entity spawn timer (EntitySpawnTimer).

C05A

INC A

Advance entity spawn timer by one.

C05B

LD ($72C0),A

Set the entity spawn timer (EntitySpawnTimer).

C05E

CP $04

Is entity spawn timer equal to 04? If not, jump to AdvanceScriptInstruction.

C060

JP NZ,AdvanceScriptInstruction

C063

LD A,($72B5)

Load A with the task-two flags (TaskTwoFlags).

C066

SET 2,A

Set bit 02 of task-two flags.

C068

LD ($72B5),A

Set the task-two flags (TaskTwoFlags).

C06B

JP AdvanceScriptInstruction

Jump to AdvanceScriptInstruction to run the next script instruction.