Routines
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D5AE: Draw Tile Block Reflected
Used by the routine at DrawSidePictures.
The same as DrawTileBlock, except that each row is drawn from right to left and each tile is reflected, which makes a reflection of the block.
Input
B The width of the block
C The height of the block
DE The address of the numbers of the tiles
HL The screen address of the top right
A' The attribute
Draw each row from right to left.
DrawTileBlockReflected D5AE PUSH BC Stash the size and the screen address on the stack.
D5AF PUSH HL
Draw a tile, reflected.
DrawTileBlockReflected_Tile D5B0 LD A,(DE) Fetch the number of the tile.
D5B1 INC DE
D5B2 XOR %01000000 Reflect it horizontally.
D5B4 PUSH BC Stash the counters on the stack.
D5B5 LD BC,($A20F) Fetch TileSetAddress.
Draw the tile.
D5B9 CALL DrawTile Call DrawTile.
D5BC POP BC Restore the counters from the stack.
D5BD DEC L Move on to the next column to the left.
D5BE DJNZ DrawTileBlockReflected_Tile Jump to DrawTileBlockReflected_Tile if there are tiles left in the row.
Move down a row.
D5C0 POP HL Restore the screen address of the row from the stack.
D5C1 CALL MoveDownRow Call MoveDownRow.
D5C4 POP BC Restore the size from the stack.
D5C5 DEC C Count down the rows.
D5C6 JR NZ,DrawTileBlockReflected Jump to DrawTileBlockReflected if there are rows left.
D5C8 RET Return.
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