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Routines |
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Used by the routine at ColourWallColumn.
Sets a column of two attributes, down a number of rows of the attribute buffer.
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| ColourAttributeColumn | C889 | LD E,A | Add the flash colour used in the last frame (PreviousFlashColour) to the attribute. | |||||||||
| C88A | LD A,($BBFC) | |||||||||||
| C88D | OR E | |||||||||||
| C88E | LD DE,$0017 | Set the distance to the first attribute in the next row (18 minus one). | ||||||||||
| ColourAttributeColumn_Loop | C891 | LD (HL),A | Set two attributes and move down a row, and loop back until all of the rows have been coloured. | |||||||||
| C892 | INC HL | |||||||||||
| C893 | LD (HL),A | |||||||||||
| C894 | ADD HL,DE | |||||||||||
| C895 | DJNZ ColourAttributeColumn_Loop | |||||||||||
| C897 | RET | Return. | ||||||||||
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