Alien 8: Routine at 47108

47108: Place Scene Objects

Used by the routine at GameOver.

Places the objects of an ending scene in the table of objects, starting at PlayerBottomObject. Each is described by five bytes: the sprite number, the flags, the colour, the pixel x position and the pixel y position. The list ends with a sprite number of zero.

Input
DE	Address of the list of objects

Start at the first object.

PlaceSceneObjects

47108

LD IY,23432

Point IY at PlayerBottomObject.

47112

LD BC,32

Set the size of an object record to 32.

Copy the next object, or return at the terminator.

PlaceSceneObjects_NextObject

47115

LD A,(DE)

Fetch the sprite number.

47116

INC DE

Move on.

47117

AND A

Return if the list has ended.

47118

RET Z

47119

LD (IY+0),A

Set the sprite number of the object.

47122

LD A,(DE)

Fetch the flags.

47123

INC DE

Move on.

47124

LD (IY+7),A

Set the flags of the object.

47127

LD A,(DE)

Fetch the colour.

47128

INC DE

Move on.

47129

LD (IY+16),A

Set the colour of the object.

47132

LD A,(DE)

Fetch the pixel x position.

47133

INC DE

Move on.

47134

LD (IY+26),A

Set the pixel x position of the object.

47137

LD A,(DE)

Fetch the pixel y position.

47138

INC DE

Move on.

47139

LD (IY+27),A

Set the pixel y position of the object.

47142

ADD IY,BC

Move on to the next object.

47144

JR PlaceSceneObjects_NextObject

Jump to PlaceSceneObjects_NextObject.