Frame, 1 story by 3 bays

1 3              'one story by 3 bays
12               'story height
24 30 24         'bay width

1000            ' page width pixels
800             ' page height pixels
10              ' plot length scale,   10 ft/inch
200             ' plot moment scale, 200 Kip-ft/inch 

290 941 290      'Beam sizes
146 227 227 146  'Column sizes
1                'Fixed base joints

                 ' macro 1, wind loading
0 40 11.90 .1    ' (Story,W,A,C) wind loading

-1               ' next macro loading
                 ' macro 2, dead loads
1 1.5 0 24       ' (story, W, A, C)
1 2.4 24 30
1 1.5 54 24
-2               'end macro definition
WIND LOADING
1 0              'apply macro 1
2                ' reload frame
All loads 
1 2 0
3                'end run