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Routines |
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Used by the routines at Parser_ValidateItem, CheckItemGroupPresent, Handler_ScenicEvents, 45087, Event_FomorianTribe, 60435, 60449, 60606, 60768, Process_GetUrn, 61392, Process_BuyMeatFromTrader, 61612, Process_BuyMeatFromTraderWithIron, 61817, 61919, 62237, 62380, 62394, 62788, Process_BuyMeatFromTraderWithSalt, 63008, 63424 and 63485.
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| ValidateItemPresent | 44651 | PUSH HL | Stash HL and DE on the stack. | |||||||
| 44652 | PUSH DE | |||||||||
| 44653 | LD E,A | Store the object ID in DE. | ||||||||
| 44654 | LD D,0 | |||||||||
| 44656 | LD HL,42604 | HL=Table_ItemLocations. | ||||||||
| 44659 | ADD HL,DE | Add the object ID to the object/ event locations table. | ||||||||
| 44660 | LD A,(42947) | Jump to Handler_Objects_Return if the object/ event table states that it's located in *CurrentRoom. Note also sets/ unsets the Z flag accordingly. | ||||||||
| 44663 | CP (HL) | |||||||||
| 44664 | JR Z,Handler_Objects_Return | |||||||||
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Check the players inventory, as an object can still be used if it's being held.
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| 44666 | LD A,1 | Lastly, set the Z flag if the item is in the players inventory. | ||||||||
| 44668 | CP (HL) | |||||||||
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Housekeeping; restore DE and HL to their previous values.
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| Handler_Objects_Return | 44669 | POP DE | Restore DE and HL from the stack. | |||||||
| 44670 | POP HL | |||||||||
| 44671 | RET | Return. | ||||||||
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View the equivalent code in The Jewels Of Babylon.
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