Stormbringer (48k): Routine at 41081

41081: Paint room layout data entry's terrain interaction parameters, applying horizontal and vertical mirrors (room drawing)

Used by the routine at 39158.

See also analogous routine at 40845 (RLE attribute data painting)

Input
HL	Points to entry in lookup table for RLE terrain interaction data (room layout graphics) at 60889

Output
B	y-coordinate of graphic's bottom
C	x-coordinate of graphic's right

41081

PUSH HL

Store HL (current entry in lookup table for RLE terrain interaction data)

41082

LD HL,23408

Modify instruction at 41219 to load x-coordinate of graphic's left edge into A...

41085

LD (41220),HL

...i.e. set end x-coordinate for painting right-to-left

41088

LD HL,41261

Modify instruction at 41223 to jump to 41261...

41091

LD (41224),HL

...i.e. advance HL up one character row in terrain interaction data table at 23808

41094

LD A,43

Modify instruction at 41226 with opcode 43 (DEC HL)...

41096

LD (41226),A

...

41099

POP HL

Restore HL (current entry in lookup table for RLE terrain interaction data)

41100

Store coordinates of area to be painted and point IX at RLE terrain interaction data

41103

LD BC,(23410)

Load BC with coordinates of graphic's bottom-right

41107

Jump to terrain interaction parameter painting routine