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Routines |
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Used by the routine at 29733. The main entry point is used to make the telephone appear to vibrate as if ringing.
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| 28660 | LD HL,28722 | Point HL at the graphic data for the telephone when ringing (at 28722) | ||
| 28663 | NOP | |||
| 28664 | JR 28669 | |||
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This entry point is also used by the routine at 29733 to make the telephone appear still (as between rings, or when not ringing).
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| 28666 | LD HL,28741 | Point HL at the graphic data for the telephone when not ringing (at 28741) | ||
| 28669 | LD DE,20654 | Point DE at the display file address of the top pixel row of the top-left tile of the telephone icon | ||
| 28672 | LD A,6 | Update the top six pixel rows of the top two tiles of the telephone icon | ||
| 28674 | LDI | |||
| 28676 | LDI | |||
| 28678 | DEC E | |||
| 28679 | DEC E | |||
| 28680 | INC D | |||
| 28681 | DEC A | |||
| 28682 | JR NZ,28674 | |||
| 28684 | LD A,(HL) | Update the bottom two pixel rows of the top-left tile of the telephone icon | ||
| 28685 | LD (DE),A | |||
| 28686 | INC L | |||
| 28687 | INC D | |||
| 28688 | LD A,(HL) | |||
| 28689 | LD (DE),A | |||
| 28690 | LD B,3 | There are three more pixel rows to update | ||
| 28692 | LD DE,20686 | Point DE at the display file address of the top pixel row of the bottom-left tile of the telephone icon | ||
| 28695 | INC L | Update the top three pixel rows of the bottom-left tile of the telephone icon | ||
| 28696 | LD A,(HL) | |||
| 28697 | LD (DE),A | |||
| 28698 | INC D | |||
| 28699 | DJNZ 28695 | |||
| 28701 | RET | |||
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