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Routines |
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Clears the panel which is used for the hall of fame and for entering a new high score. The panel is 24 characters wide, 16 characters high and starts at column 4 of row 5. The attributes are set to 0 and the pixels are set to zero.
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Clear the attributes.
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| HallOfFame_Clear | 45784 | LD HL,22692 | Point HL at the first attribute of the panel. | |||||
| 45787 | LD BC,6160 | BC=6160 (B is the width and C is the number of rows). | ||||||
| 45790 | LD DE,32 | DE=0032 (the number of bytes to the next row). | ||||||
| HallOfFame_Clear_Attribute_Rows | 45793 | PUSH BC | Stash the counters on the stack. | |||||
| 45794 | PUSH HL | Stash the start of the row on the stack. | ||||||
| HallOfFame_Clear_Attribute_Row | 45795 | LD (HL),0 | Clear the attribute. | |||||
| 45797 | INC L | Move to the next column. | ||||||
| 45798 | DJNZ HallOfFame_Clear_Attribute_Row | Decrease B by one and loop back to HallOfFame_Clear_Attribute_Row until the row is done. | ||||||
| 45800 | POP HL | Restore the start of the row from the stack. | ||||||
| 45801 | ADD HL,DE | Move down to the next row. | ||||||
| 45802 | POP BC | Restore the counters from the stack. | ||||||
| 45803 | DEC C | Decrease the row counter by one and loop back to HallOfFame_Clear_Attribute_Rows until all of the rows are done. | ||||||
| 45804 | JR NZ,HallOfFame_Clear_Attribute_Rows | |||||||
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Clear the pixels.
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| 45806 | LD HL,16548 | Point HL at the first pixel line of the panel. | ||||||
| 45809 | LD BC,6272 | BC=6272 (B is the width and C is the number of pixel lines). | ||||||
| HallOfFame_Clear_Pixel_Lines | 45812 | PUSH BC | Stash the counters on the stack. | |||||
| 45813 | PUSH HL | Stash the start of the pixel line on the stack. | ||||||
| HallOfFame_Clear_Pixel_Line | 45814 | LD (HL),0 | Clear a byte of the pixel line. | |||||
| 45816 | INC L | Move to the next column. | ||||||
| 45817 | DJNZ HallOfFame_Clear_Pixel_Line | Decrease B by one and loop back to HallOfFame_Clear_Pixel_Line until the line is done. | ||||||
| 45819 | POP HL | Restore the start of the pixel line from the stack. | ||||||
| 45820 | CALL ScreenPosition1PixelBelow | Move down to the next pixel line. | ||||||
| 45823 | POP BC | Restore the counters from the stack. | ||||||
| 45824 | DEC C | Decrease the pixel line counter by one and loop back to HallOfFame_Clear_Pixel_Lines until all of the pixel lines are done. | ||||||
| 45825 | JR NZ,HallOfFame_Clear_Pixel_Lines | |||||||
| 45827 | RET | Return. | ||||||
| Prev: 45727 | Up: Map | Next: 45828 |
