=> R0 = 106 (&6A)
R1 = pointer shape and linkage flag
<= R0 preserved
R1 = shape and linkage flag before overwritten
R2 corrupted
You can define four 'pointer buffers' using OS_Word 21, each holding a different shape definition for the mouse pointer. This call allows you to select one of these definitions for future use, or to turn off the pointer depending on the bottom seven bits of R1.
See PRM 1, page 637
Pointer flags
Bit Meaning
0-2 Select pointer number (1 to 4, or 0 to turn off)
7 Unlink visible pointer from mouse if set
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