Routines
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D206: Fetch Next Object
Used by the routines at CheckObjectVisibility, FetchNextObjectWithID, ProcessObjectEntry, CheckObjectAttributeWithFlag, ProcessObjectDisplayType and CountObjectsInLocation.
Input
IX Pointer to objects table
Output
IX Pointer to object table
IY Pointer to object data
F The zero flag is set if the end of the table is reached
FetchNextObject D206 EXX Switch to the shadow registers.
D207 LD DE,$0003 Add 0003 to the object table pointer in IX.
D20A ADD IX,DE
D20C LD D,(IX+$02) Fetch the pointer to the object data and store it in IY.
D20F LD E,(IX+$01)
D212 PUSH DE
D213 POP IY
D215 LD A,(IX+$00) Check the object ID at *IX+00 to see if the terminator character (FF) has been reached.
D218 CP $FF
D21A EXX Switch back to the normal registers.
D21B RET Return.
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