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Routines |
| Prev: A6E1 | Up: Map | Next: A75C |
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Draws one row of a sprite that is aligned to a byte into the buffer used by DrawSprites. The entry point depends on the width of the sprite in bytes, from six bytes at DrawAlignedRowInBuffer to one byte at A74C.
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| DrawAlignedRowInBuffer | A733 | LD A,(DE) | Fetch a byte of the sprite. | |||||||
| A734 | OR (HL) | Set the pixels of the buffer. | ||||||||
| A735 | LD (HL),A | Store the byte. | ||||||||
| A736 | INC DE | Move on to the next byte of the sprite. | ||||||||
| A737 | INC L | Move on to the next byte of the buffer. | ||||||||
| A738 | LD A,(DE) | Fetch a byte of the sprite. | ||||||||
| A739 | OR (HL) | Set the pixels of the buffer. | ||||||||
| A73A | LD (HL),A | Store the byte. | ||||||||
| A73B | INC DE | Move on to the next byte of the sprite. | ||||||||
| A73C | INC L | Move on to the next byte of the buffer. | ||||||||
| A73D | LD A,(DE) | Fetch a byte of the sprite. | ||||||||
| A73E | OR (HL) | Set the pixels of the buffer. | ||||||||
| A73F | LD (HL),A | Store the byte. | ||||||||
| A740 | INC DE | Move on to the next byte of the sprite. | ||||||||
| A741 | INC L | Move on to the next byte of the buffer. | ||||||||
| A742 | LD A,(DE) | Fetch a byte of the sprite. | ||||||||
| A743 | OR (HL) | Set the pixels of the buffer. | ||||||||
| A744 | LD (HL),A | Store the byte. | ||||||||
| A745 | INC DE | Move on to the next byte of the sprite. | ||||||||
| A746 | INC L | Move on to the next byte of the buffer. | ||||||||
| A747 | LD A,(DE) | Fetch a byte of the sprite. | ||||||||
| A748 | OR (HL) | Set the pixels of the buffer. | ||||||||
| A749 | LD (HL),A | Store the byte. | ||||||||
| A74A | INC DE | Move on to the next byte of the sprite. | ||||||||
| A74B | INC L | Move on to the next byte of the buffer. | ||||||||
| A74C | LD A,(DE) | Fetch a byte of the sprite. | ||||||||
| A74D | OR (HL) | Set the pixels of the buffer. | ||||||||
| A74E | LD (HL),A | Store the byte. | ||||||||
| A74F | INC DE | Move on to the next byte of the sprite. | ||||||||
| A750 | LD A,$00 | Fetch the amount to skip, which was set at A485. | ||||||||
| A752 | ADD A,L | Add it to the address in the buffer. | ||||||||
| A753 | LD L,A | Store it in L. | ||||||||
| A754 | EX AF,AF' | Switch to the count of rows. | ||||||||
| A755 | DEC A | Take one off. | ||||||||
| A756 | JP Z,DrawSprites_Dissolve | Jump to DrawSprites_Dissolve to finish when there are none left. | ||||||||
| A759 | EX AF,AF' | Switch back. | ||||||||
| A75A | JP (IX) | Draw the next row. | ||||||||
| Prev: A6E1 | Up: Map | Next: A75C |