=> R0 = territory number, or -1 for current
<= R0 = bit field giving write direction
Bit Value Meaning
0 0 Left to right
1 Right to left
1 0 Top to bottom
1 Bottom to top
2 0 Lines are horizontal
1 Lines are vertical
This SWI is used to read the direction that writing appears in a particular territory.
See PRM 3, page 824.
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