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Elite on the BBC Micro

Version analysis of SHIP_MORAY

This code appears in the following versions (click to see it in the source code):

Code variations between these versions are shown below.

Name: SHIP_MORAY Type: Variable Category: Drawing ships Summary: Ship blueprint for a Moray Deep dive: Ship blueprints
.SHIP_MORAY EQUB 1 \ Max. canisters on demise = 1 EQUW 30 * 30 \ Targetable area = 30 * 30 EQUB LO(SHIP_MORAY_EDGES - SHIP_MORAY) \ Edges data offset (low) EQUB LO(SHIP_MORAY_FACES - SHIP_MORAY) \ Faces data offset (low)

Code variation 1 of 1Related to an advanced feature

The advanced versions of Elite have an extra edge count for the ship colour; Morays are shown in cyan/red/black/yellow stripes.

Tap on a version to expand it, and tap it again to show to all variations.

Flight

6502SP, Master

EQUB 69 \ Max. edge count = (69 - 1) / 4 = 17
EQUB 73 \ Max. edge count = (73 - 1) / 4 = 18
 EQUB 0                 \ Gun vertex               = 0
 EQUB 26                \ Explosion count          = 5, as (4 * n) + 6 = 26
 EQUB 84                \ Number of vertices       = 84 / 6 = 14
 EQUB 19                \ Number of edges          = 19
 EQUW 50                \ Bounty                   = 50
 EQUB 36                \ Number of faces          = 36 / 4 = 9
 EQUB 40                \ Visibility distance      = 40
 EQUB 100               \ Max. energy              = 100
 EQUB 25                \ Max. speed               = 25
 EQUB HI(SHIP_MORAY_EDGES - SHIP_MORAY)            \ Edges data offset (high)
 EQUB HI(SHIP_MORAY_FACES - SHIP_MORAY)            \ Faces data offset (high)
 EQUB 2                 \ Normals are scaled by    = 2^2 = 4
 EQUB %00010000         \ Laser power              = 2
                        \ Missiles                 = 0

\VERTEX    x,    y,    z, face1, face2, face3, face4, visibility
 VERTEX   15,    0,   65,     2,      0,    8,     7,         31    \ Vertex 0
 VERTEX  -15,    0,   65,     1,      0,    7,     6,         31    \ Vertex 1
 VERTEX    0,   18,  -40,    15,     15,   15,    15,         17    \ Vertex 2
 VERTEX  -60,    0,    0,     3,      1,    6,     6,         31    \ Vertex 3
 VERTEX   60,    0,    0,     5,      2,    8,     8,         31    \ Vertex 4
 VERTEX   30,  -27,  -10,     5,      4,    8,     7,         24    \ Vertex 5
 VERTEX  -30,  -27,  -10,     4,      3,    7,     6,         24    \ Vertex 6
 VERTEX   -9,   -4,  -25,     4,      4,    4,     4,          7    \ Vertex 7
 VERTEX    9,   -4,  -25,     4,      4,    4,     4,          7    \ Vertex 8
 VERTEX    0,  -18,  -16,     4,      4,    4,     4,          7    \ Vertex 9
 VERTEX   13,    3,   49,     0,      0,    0,     0,          5    \ Vertex 10
 VERTEX    6,    0,   65,     0,      0,    0,     0,          5    \ Vertex 11
 VERTEX  -13,    3,   49,     0,      0,    0,     0,          5    \ Vertex 12
 VERTEX   -6,    0,   65,     0,      0,    0,     0,          5    \ Vertex 13

.SHIP_MORAY_EDGES

\EDGE vertex1, vertex2, face1, face2, visibility
 EDGE       0,       1,     7,     0,         31    \ Edge 0
 EDGE       1,       3,     6,     1,         31    \ Edge 1
 EDGE       3,       6,     6,     3,         24    \ Edge 2
 EDGE       5,       6,     7,     4,         24    \ Edge 3
 EDGE       4,       5,     8,     5,         24    \ Edge 4
 EDGE       0,       4,     8,     2,         31    \ Edge 5
 EDGE       1,       6,     7,     6,         15    \ Edge 6
 EDGE       0,       5,     8,     7,         15    \ Edge 7
 EDGE       0,       2,     2,     0,         15    \ Edge 8
 EDGE       1,       2,     1,     0,         15    \ Edge 9
 EDGE       2,       3,     3,     1,         17    \ Edge 10
 EDGE       2,       4,     5,     2,         17    \ Edge 11
 EDGE       2,       5,     5,     4,         13    \ Edge 12
 EDGE       2,       6,     4,     3,         13    \ Edge 13
 EDGE       7,       8,     4,     4,          5    \ Edge 14
 EDGE       7,       9,     4,     4,          7    \ Edge 15
 EDGE       8,       9,     4,     4,          7    \ Edge 16
 EDGE      10,      11,     0,     0,          5    \ Edge 17
 EDGE      12,      13,     0,     0,          5    \ Edge 18

.SHIP_MORAY_FACES

\FACE normal_x, normal_y, normal_z, visibility
 FACE        0,       43,        7,         31    \ Face 0
 FACE      -10,       49,        7,         31    \ Face 1
 FACE       10,       49,        7,         31    \ Face 2
 FACE      -59,      -28,     -101,         24    \ Face 3
 FACE        0,      -52,      -78,         24    \ Face 4
 FACE       59,      -28,     -101,         24    \ Face 5
 FACE      -72,      -99,       50,         31    \ Face 6
 FACE        0,      -83,       30,         31    \ Face 7
 FACE       72,      -99,       50,         31    \ Face 8

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