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Routines |
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29746 | PUSH HL | Save the character number | ||
29747 | CALL 29394 | Is the speech bubble off-screen? | ||
29750 | JR C,29815 | Jump if so | ||
29752 | CALL 29735 | Update the SRB for the part of the screen hidden by the speech bubble | ||
First, restore the original attribute bytes for the area of the screen occupied by the speech bubble.
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29755 | LD DE,(32612) | Copy the speech bubble lip coordinates from 32612 to DE | ||
29759 | CALL 28807 | Update the SRB for the part of the screen hidden by the lip | ||
29762 | LD HL,32512 | 32512 holds the leftmost column of the skool on screen (0-64) | ||
29765 | LD A,E | E=screen x-coordinate of the speech bubble lip (0-31) | ||
29766 | SUB (HL) | |||
29767 | LD E,A | |||
29768 | LD A,D | A=screen y-coordinate of the speech bubble lip (2-17) | ||
29769 | SUB 152 | |||
29771 | RRCA | Set DE to the attribute file address corresponding to the lip of the speech bubble | ||
29772 | RRCA | |||
29773 | RRCA | |||
29774 | LD D,A | |||
29775 | AND 224 | |||
29777 | ADD A,E | |||
29778 | LD E,A | |||
29779 | LD A,D | |||
29780 | AND 3 | |||
29782 | ADD A,88 | |||
29784 | LD D,A | |||
29785 | LD L,103 | Pick up the attribute byte for the part of screen hidden by the speech bubble lip from 32615 and restore it to the attribute file | ||
29787 | LD A,(HL) | |||
29788 | LD (DE),A | |||
29789 | EX DE,HL | Point DE at the attribute file address corresponding to the top left corner of the speech bubble | ||
29790 | LD BC,65472 | |||
29793 | ADD HL,BC | |||
29794 | LD A,L | |||
29795 | AND 248 | |||
29797 | LD L,A | |||
29798 | EX DE,HL | |||
29799 | LD BC,8 | Restore the attribute bytes of the part of the screen overwritten by the top row of the speech bubble (stored at 32632 by the routine at 29518) | ||
29802 | LD L,120 | |||
29804 | LDIR | |||
29806 | LD C,24 | Point DE at the attribute file address corresponding to the bottom left corner of the speech bubble | ||
29808 | EX DE,HL | |||
29809 | ADD HL,BC | |||
29810 | EX DE,HL | |||
29811 | LD C,8 | Restore the attribute bytes of the part of the screen overwritten by the bottom row of the speech bubble (stored at 32640 by the routine at 29518) | ||
29813 | LDIR | |||
Next, restore the skool UDG references and attribute bytes for the area of the skool occupied by the speech bubble.
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29815 | LD DE,(32612) | Copy the speech bubble lip coordinates from 32612 to DE | ||
29819 | LD HL,32614 | Pick up the UDG reference for the part of the skool occupied by the speech bubble lip and restore it | ||
29822 | LD A,(HL) | |||
29823 | INC L | |||
29824 | LD (DE),A | |||
29825 | SET 7,E | Pick up the attribute byte for the part of the skool occupied by the speech bubble lip and restore it | ||
29827 | LD A,(HL) | |||
29828 | INC L | |||
29829 | LD (DE),A | |||
29830 | LD A,E | DE=coordinates of the top left corner of the speech bubble | ||
29831 | AND 120 | |||
29833 | DEC D | |||
29834 | DEC D | |||
29835 | LD E,A | |||
29836 | LD BC,8 | Restore the UDG references of the part of the skool overwritten by the top row of the speech bubble (stored at 32616 by the routine at 29518) | ||
29839 | LDIR | |||
29841 | INC D | Restore the UDG references of the part of the skool overwritten by the bottom row of the speech bubble (stored at 32624 by the routine at 29518) | ||
29842 | LD C,8 | |||
29844 | LD E,A | |||
29845 | LDIR | |||
29847 | ADD A,128 | Point DE at the skool graphic data attribute byte corresponding to the top-left corner of the speech bubble | ||
29849 | LD E,A | |||
29850 | DEC D | |||
29851 | LD C,8 | Restore the attribute bytes of the part of the skool overwritten by the top row of the speech bubble (stored at 32632 by the routine at 29518) | ||
29853 | LDIR | |||
29855 | INC D | Restore the attribute bytes of the part of the skool overwritten by the bottom row of the speech bubble (stored at 32640 by the routine at 29518) | ||
29856 | LD C,8 | |||
29858 | LD E,A | |||
29859 | LDIR | |||
Finally, clear the speech bubble lip coordinates (at 32612) to indicate that no one is speaking.
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29861 | LD (32612),BC | Set the speech bubble lip coordinates at to (0,0) | ||
29865 | POP HL | Restore the speaker's character number to H | ||
29866 | XOR A | |||
29867 | RET |
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