Pericom P7/PG                 ---+------+   +------+------+------+------+------+
D13270S special                  |PF15  |   |PF16  |PF17  |PF18  |PF19  |PF20  |
keyboard mapping                 |      |   |      |      |      |      |      |
	    +------+------+------+------+   +------+------+------+------++-----+
	    |Cursor|Cursor|Cursor|Cursor|   |PF1   |PF2   |PF3   |PA1   |PF21  |
	    |up    |down  |left  |right |   |      |      |      |      |      |
	    +------+------+-------------+   +------+------+------+------+------+
			  |Back  |      |   |PF4   |PF5   |PF6   |PA2   |PF22  |
Specials                  |space |      |   |      |      |      |      |      |
========                  +----+---+--+-+   +------+------+------+------+------+
			       |Back  |     |PF7   |PF8   |PF9   |PA3   |PF23  |
PF1    PF1                     |tab   |     |      |      |      |      |      |
 to     to            +--------+------+     +------+------+------+------+------+
PF15   PF15           |Enter   |      |     |PF10  |PF11  |PF12  |Clear |PF24  |
Ctrl e On-line help   |        |      |     |      |      |      |      |      |
Ctrl g Master reset   +--------+------+     +------+------+------+      +------+
Ctrl v Refresh screen          |Next  |     |PF shift     |Toggle|      |PA3   |
			       |line  |     |             |insert|      |      |
			       +------+     +------+------+------+------+------+
PF13,14, ... ,23,24 can be got by <PF shift> followed by PF1,PF2, ... ,PF11,PF12
