Routines
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28703: Show or hide an icon in the icon panel
Used by the routine at 29668.
Input
E Attribute file address LSB
The main entry point is used to show an icon in the icon panel.
28703 LD A,48 48=PAPER 6: INK 0
28705 JR 28709
This entry point is used by the routine at 29668 to hide an icon in the icon panel.
28707 LD A,54 54=PAPER 6: INK 6
This entry point is used by the routine at 30339 with A=6 (PAPER 0: INK 6) to show an icon for an object that can be picked up (by pressing 'G').
28709 LD D,90 Point DE at the attribute file address for the top-left tile of the icon
28711 LD (DE),A Set the attributes for the top two tiles of the icon
28712 INC E
28713 LD (DE),A
28714 SET 6,E Point DE at the attribute file address for the bottom-right tile of the icon
28716 RES 5,E
28718 LD (DE),A Set the attributes for the bottom two tiles of the icon
28719 DEC E
28720 LD (DE),A
28721 RET
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