Knight Tyme (48k): Routine at 29082

29082: Paint room layout data entry's terrain interaction parameters, applying horizontal and vertical mirrors (room drawing)

Used by the routine at 28070.

See also analogous routine at 28846 (RLE attribute data painting)

Input
HL	Points to entry in lookup table for RLE terrain interaction data (room layout graphics) (at 52397)

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

29082

PUSH HL

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

29083

LD HL,23493

Modify instruction at 29220 to load x-coordinate of graphic's left edge into A...

29086

LD (29221),HL

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

29089

LD HL,29262

Modify instruction at 28988 to jump to 29262...

29092

LD (29225),HL

...i.e. advance HL up one character row in terrain interaction data table at 24064

29095

LD A,43

Modify instruction at 29227 with opcode 43 (DEC HL)...

29097

LD (29227),A

...

29100

POP HL

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

29101

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

29104

LD BC,(23495)

Load BC with coordinates of graphic's bottom-right

29108

Jump to terrain interaction parameter painting routine