Routines
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D69E: Draw Tile Horizontal
Used by the routine at DrawTilePixels.
Draws a tile reflected horizontally, using the page of bytes turned round which is at F9.
Input
DE The address of the tile
HL The screen address
Draw each line turned round.
DrawTileHorizontal D69E LD B,$08 Set the number of lines.
DrawTileHorizontal_Line D6A0 LD A,(DE) Fetch a line and keep it in C.
D6A1 INC DE
D6A2 LD C,A
D6A3 PUSH BC Save the counters.
D6A4 LD B,$F9 Point BC at the page of bytes turned round.
D6A6 LD A,(BC) Draw the line turned round.
D6A7 LD (HL),A
D6A8 INC H
D6A9 POP BC Restore the counters.
D6AA DJNZ DrawTileHorizontal_Line Go back for the next line.
D6AC RET Return.
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