=> R0 = 13
R1 = pointer to 8 byte buffer
This OS_Word fills the buffer with the current and previous graphics cursor coordinates. You should use OS_ReadVDUVariables instead.
OS_Word 13 buffer
Offset Contents
0 previous x coord LSB
1 MSB
2 y coord LSB
3 MSB
4 current x coord LSB
5 MSB
6 y coord LSB
7 MSB
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