Routines
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43031: Condition: Item Is Absent
Succeeds when the item operand is not in the current room or the inventory.
Output
F The zero flag is set when the item is absent
Invert the presence test so the condition succeeds when the item is absent.
Condition_ItemIsAbsent 43031 LD A,(IX+1) The operand names the item.
43034 CALL Handler_RunScript_15 255 stands for the matched item.
43037 CALL ValidateItemPresent Call ValidateItemPresent to check whether the matched item is here.
43040 CALL Handler_RunScript_13 Succeed when the item is absent.
43043 JP Handler_RunScript_3 Resume the script.
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