Stormbringer (48k): Routine at 41141

41141: Paint room layout data entry's terrain interaction parameters, applying vertical mirror (room drawing)

Used by the routine at 39158.

See also analogous routine at 40905 (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 top
C	x-coordinate of graphic's right

41141

PUSH HL

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

41142

LD HL,23408

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

41145

LD (41220),HL

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

41148

LD HL,41240

Modify instruction at 41223 to jump to 41240...

41151

LD (41224),HL

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

41154

LD A,43

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

41156

LD (41226),A

...

41159

POP HL

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

41160

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

41163

LD A,(23410)

Load C with x-coordinate of graphic's right edge...

41166

LD C,A

...

41167

LD A,(23409)

Load B with y-coordinate of graphic's top edge...

41170

LD B,A

...

41171

Jump to terrain interaction data painting routine