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Routines |
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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 42828.
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| DrawAlignedRowInBuffer | 42803 | LD A,(DE) | Fetch a byte of the sprite. | |||||||
| 42804 | OR (HL) | Set the pixels of the buffer. | ||||||||
| 42805 | LD (HL),A | Store the byte. | ||||||||
| 42806 | INC DE | Move on to the next byte of the sprite. | ||||||||
| 42807 | INC L | Move on to the next byte of the buffer. | ||||||||
| 42808 | LD A,(DE) | Fetch a byte of the sprite. | ||||||||
| 42809 | OR (HL) | Set the pixels of the buffer. | ||||||||
| 42810 | LD (HL),A | Store the byte. | ||||||||
| 42811 | INC DE | Move on to the next byte of the sprite. | ||||||||
| 42812 | INC L | Move on to the next byte of the buffer. | ||||||||
| 42813 | LD A,(DE) | Fetch a byte of the sprite. | ||||||||
| 42814 | OR (HL) | Set the pixels of the buffer. | ||||||||
| 42815 | LD (HL),A | Store the byte. | ||||||||
| 42816 | INC DE | Move on to the next byte of the sprite. | ||||||||
| 42817 | INC L | Move on to the next byte of the buffer. | ||||||||
| 42818 | LD A,(DE) | Fetch a byte of the sprite. | ||||||||
| 42819 | OR (HL) | Set the pixels of the buffer. | ||||||||
| 42820 | LD (HL),A | Store the byte. | ||||||||
| 42821 | INC DE | Move on to the next byte of the sprite. | ||||||||
| 42822 | INC L | Move on to the next byte of the buffer. | ||||||||
| 42823 | LD A,(DE) | Fetch a byte of the sprite. | ||||||||
| 42824 | OR (HL) | Set the pixels of the buffer. | ||||||||
| 42825 | LD (HL),A | Store the byte. | ||||||||
| 42826 | INC DE | Move on to the next byte of the sprite. | ||||||||
| 42827 | INC L | Move on to the next byte of the buffer. | ||||||||
| 42828 | LD A,(DE) | Fetch a byte of the sprite. | ||||||||
| 42829 | OR (HL) | Set the pixels of the buffer. | ||||||||
| 42830 | LD (HL),A | Store the byte. | ||||||||
| 42831 | INC DE | Move on to the next byte of the sprite. | ||||||||
| 42832 | LD A,0 | Fetch the amount to skip, which was set at 42117. | ||||||||
| 42834 | ADD A,L | Add it to the address in the buffer. | ||||||||
| 42835 | LD L,A | Store it in L. | ||||||||
| 42836 | EX AF,AF' | Switch to the count of rows. | ||||||||
| 42837 | DEC A | Take one off. | ||||||||
| 42838 | JP Z,DrawSprites_Dissolve | Jump to DrawSprites_Dissolve to finish when there are none left. | ||||||||
| 42841 | EX AF,AF' | Switch back. | ||||||||
| 42842 | JP (IX) | Draw the next row. | ||||||||
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