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Routines |
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Used by the routine at 50807.
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Clears any messages on two lines of the message area of the scroll, e.g. "Project thy soul", "Gatehouse level"
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| 58764 | LD L,136 | Low byte of HL screen display address pointer which is set to the top left of the scroll spell area, where the spell messages (e.g. "Project thy soul") are printed | ||
| 58766 | LD C,2 | 2 row of text | ||
| 58768 | LD E,16 | 16 columns of text | ||
| 58770 | LD H,80 | High byte of HL screen display address pointer which is set to the top left of the scroll spell area, where the spell messages (e.g. "Project thy soul") are printed | ||
| 58772 | LD B,8 | 8 pixel rows to clear | ||
| 58774 | LD (HL),0 | Clear pixel row | ||
| 58776 | INC H | Move down one pixel line | ||
| 58777 | DJNZ 58774 | Repeat x 8 | ||
| 58779 | INC L | Move right one character square/column | ||
| 58780 | DEC E | Repeat x 16 columns | ||
| 58781 | JR NZ,58770 | |||
| 58783 | LD L,167 | Set column position to character row below, one line down. This should probably be one less as this value is one character to the left of the previous line, though it doesn't really matter |
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| 58785 | DEC C | Repeat the clear loop for 2 character rows | ||
| 58786 | JR NZ,58768 | |||
| 58788 | RET | |||
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