APPENDIX H
The x offset of the mouse hot spot within the 16 x 16 image
area.
-854 to -851 (-$354 to -$353)
M
__
POS
__
HY
The y offset of the mouse hot spot within the 16 x 16 image
area.
-852 to -849 (-$352 to -$351)
M
__
PLANES
The writing mode for the mouse pointer (usually 1). 1 = VDI
mode, -1 = XOR mode. The different colors produced by
various combinations of image and mask bits for both modes
are shown in the table below:
Image
Mask VDI mode color XOR mode color
0 0 Transparent Transparent
0 1 Background Background
1 0 Foreground NOT destination
1 1 Foreground Foreground
-850 to -847 (-$350 to -$34F)
M
__
CDB
__
BG
Mouse pointer background color.
-848 to -845 (— $34E to -$34D)
M
__
CDB
__
FG
Mouse pointer foreground color.
- 846 to - 782 ( - $34C to - $30F)
MASK
__
FORM
Mask and image data for the mouse pointer sprite. This data
is stored in interleaved sprite format. The first two words
contain the mask data and the image data for line 0 of the
sprite, the next two words the mask data and image data for
line 1, and so on.
- 782 to - 693 ( - $30E to - $2B5)
INQ
__
TAB
This table, 45 words long, contains the information returned
by the VDI function vq
__extnd(). See COMPUTEl's Technical
320
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