Routines
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9358: Drop Item
Used by the routines at HandlerPickupItem and HandlerBlank.
Puts the item in the third slot of the inventory (see Inventory_Slot3) back into the room at the position of the player, and makes the sound of dropping. Nothing is done if the slot is empty.
DropItem 9358 LD HL,$5E38 Point HL at the third inventory slot at Inventory_Slot3.
935B LD E,(HL) Fetch the low byte of the address of the entity.
935C INC HL Move on to the next byte.
935D LD D,(HL) Fetch the high byte of the address of the entity.
935E INC HL Move on to the next byte.
935F LD A,D Return if the slot is empty (the address of the entity is zero).
9360 OR E
9361 RET Z
9362 PUSH DE Stash the address of the entity on the stack.
9363 LD A,(HL) Fetch the sprite ID in the slot.
9364 INC HL Move on to the next byte.
9365 LD (DE),A Update the sprite ID of the entity.
9366 INC DE Move on to the room of the entity.
9367 LD A,($EA91) Fetch the room of the player from PlayerRoom.
936A LD (DE),A Update the room of the entity.
936B INC DE Move on to offset 02 of the entity.
936C LD A,$80 Write 80 to offset 02 of the entity.
936E LD (DE),A
936F INC DE Move on to the X position of the entity.
9370 LD A,($EA93) Fetch the X position of the player from EA93.
9373 LD (DE),A Update the X position of the entity.
9374 INC DE Move on to the Y position of the entity.
9375 LD A,($EA94) Fetch the Y position of the player from EA94.
9378 LD (DE),A Update the Y position of the entity.
9379 INC DE Move on to the attribute of the entity.
937A LD A,(HL) Fetch the attribute in the slot.
937B LD (DE),A Update the attribute of the entity.
937C POP DE Restore the address of the entity from the stack.
937D CALL SoundsDropItem Call SoundsDropItem to make the sound of dropping.
9380 PUSH IX Stash IX on the stack.
9382 PUSH DE Copy DE into IX, as the entity to draw.
9383 POP IX
9385 CALL DrawEntity Call DrawEntity to draw the entity.
9388 POP IX Restore IX from the stack.
938A RET Return.
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