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Routines |
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Used by the routine at DrawRoom.
Draws every entity that is in the same room as the player and is in use. First the 8-byte entities from Player up to CreatureRecords are done, and then the 16-byte ones up to RoomItemEntities.
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| DrawRoomEntities | 9291 | LD IX,$EA90 | Point IX at the player at Player. | |
| DrawRoomEntities_Loop | 9295 | LD A,(IX+$00) | Fetch the sprite ID of the entity. | |
| 9298 | AND A | Jump to DrawRoomEntities_Next if the entity is not in use. | ||
| 9299 | JR Z,DrawRoomEntities_Next | |||
| 929B | LD A,($EA91) | Fetch the room of the player from PlayerRoom. | ||
| 929E | CP (IX+$01) | Jump to DrawRoomEntities_Next if the entity is in a different room. | ||
| 92A1 | JR NZ,DrawRoomEntities_Next | |||
| 92A3 | CALL DrawEntity | Call DrawEntity to draw the entity. | ||
| DrawRoomEntities_Next | 92A6 | LD DE,$0008 | DE=0008 (the size of an 8-byte entity). | |
| 92A9 | ADD IX,DE | Move IX on to the next entity. | ||
| 92AB | PUSH IX | Copy IX into HL. | ||
| 92AD | POP HL | |||
| 92AE | LD DE,$EE60 | Point DE at the end of the 8-byte entities at CreatureRecords. | ||
| 92B1 | AND A | Subtract DE from HL, to check whether all of the 8-byte entities have been done. | ||
| 92B2 | SBC HL,DE | |||
| 92B4 | JR C,DrawRoomEntities_Loop | Loop back to DrawRoomEntities_Loop until all of the 8-byte entities have been drawn. | ||
| DrawRoomEntities_Large | 92B6 | LD A,(IX+$00) | Fetch the sprite ID of the entity. | |
| 92B9 | AND A | Jump to DrawRoomEntities_NextLarge if the entity is not in use. | ||
| 92BA | JR Z,DrawRoomEntities_NextLarge | |||
| 92BC | LD A,($EA91) | Fetch the room of the player from PlayerRoom. | ||
| 92BF | CP (IX+$01) | Jump to DrawRoomEntities_NextLarge if the entity is in a different room. | ||
| 92C2 | JR NZ,DrawRoomEntities_NextLarge | |||
| 92C4 | CALL DrawEntity | Call DrawEntity to draw the entity. | ||
| DrawRoomEntities_NextLarge | 92C7 | LD DE,$0010 | DE=0010 (the size of a 16-byte entity). | |
| 92CA | ADD IX,DE | Move IX on to the next entity. | ||
| 92CC | PUSH IX | Copy IX into HL. | ||
| 92CE | POP HL | |||
| 92CF | LD DE,$EEE0 | Point DE at the end of the 16-byte entities at RoomItemEntities. | ||
| 92D2 | AND A | Subtract DE from HL, to check whether all of the 16-byte entities have been done. | ||
| 92D3 | SBC HL,DE | |||
| 92D5 | JR C,DrawRoomEntities_Large | Loop back to DrawRoomEntities_Large until all of the 16-byte entities have been drawn. | ||
| 92D7 | RET | Return. | ||
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