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âåðñèÿ 1.0 17.08.2010
divide íà ïîðòàõ nemo ide
Óñòðîéñòâî ïîçâîëÿåò èñïîëüçîâàòü êîìàíäû inir/otir, ïðè ýòîì îñòàâàÿñü ñîâìåñòèìûì
ñ nemo ide.
Ïîðòû ñîîòâåòñòâóþò ñòàðíäàðòíûì ïîðòàì nemo-ide:
+----+---------------------------+----------------------------+
| | in | out |
+----+---------------------------+----------------------------+
|#11 | Ðåãèñòð äàííûõ D8-D15 | Ðåãèñòð äàííûõ D8-D15 |
|#10 | Ðåãèñòð äàííûõ D0-D7 | Ðåãèñòð äàííûõ D0-D7 |
|#30 | Ðåãèñòð îøèáîê | Ðåãèñòð ïðåäêîìïåíñàöèè (*)|
|#50 | Ðåãèñòð ñ÷åò÷èêà ñåêòîðîâ | Ðåãèñòð ñ÷åò÷èêà ñåêòîðîâ |
|#70 | Ðåãèñòð íîìåðà ñåêòîðà | Ðåãèñòð íîìåðà ñåêòîðà |
|#90 | Ðåãèñòð íîìåðà öèëèíäðà | Ðåãèñòð íîìåðà öèëèíäðà |
| | (low) | (low) |
|#B0 | Ðåãèñòð íîìåðà öèëèíäðà | Ðåãèñòð íîìåðà öèëèíäðà |
| | (high) | (high) |
|#D0 | Ðåãèñòð íàêîïèòåëÿ/ãîëîâêè| Ðåãèñòð íàêîïèòåëÿ/ãîëîâêè |
|#F0 | Ðåãèñòð ñîñòîÿíèÿ | Ðåãèñòð êîìàíä |
+----+---------------------------+----------------------------+
|#C8 | Ðåãèñòð àëüòåðíàòèâíîãî | Óïðàâëåíèå ñîñòîÿíèåì íàêî-|
| | ñîñòîÿíèÿ | ïèòåëÿ |
+----+---------------------------+----------------------------+
Èñïîëüçîâàíèå â ðåæèìå nemo-ide (ñòàíäàðòíûé ðåæèì ðàáîòû nemo-ide):
Çàïèñü:
çàãðóçêà çíà÷åíèé â ïîðòû #30-D0 (ïàðàìåòðû êîìàíäû "çàïèñü ñåêòîðîâ")
çàãðóçêà â ïîðò #F0 êîäà êîìàíäû "çàïèñü ñåêòîðîâ"
öèêë (n - ÷èñëî ïåðåäàâàåìûõ ñëîâ)
{
çàãðóçêà ñòàðøåãî áàéòà äàííûõ â ïîðò #11 (äàííûå çàïèñûâàþòñÿ â ñêðûòûé ðåãèñòð)
çàãðóçêà ìëàäøåãî áàéòà äàííûõ â ïîðò #10 (äàííûå èç ñêðûòîãî ðåãèñòðà è ñ øèíû ïåðåäàþòñÿ â hdd)
}
×òåíèå:
çàãðóçêà çíà÷åíèé â ïîðòû #30-D0 (ïàðàìåòðû êîìàíäû "÷òåíèå ñåêòîðîâ")
çàãðóçêà â ïîðò #F0 êîäà êîìàíäû "÷òåíèå ñåêòîðîâ"
öèêë (n - ÷èñëî ïåðåäàâàåìûõ ñëîâ)
{
÷òåíèå ìëàäøåãî áàéòà äàííûõ èç ïîðòà #10 (ïðè ýòîì ñòàðøèé áàéò çàùåëêèâàåòñÿ âî âíåøíåì ðåãèñòðå)
÷òåíèå ñòàðøåãî áàéòà äàííûõ èç ïîðò #11 (÷òåíèå èç ñêðûòîãî ðåãèñòðà)
}
Èñïîëüçîâàíèå â ðåæèìå divide:
Ïðè îáðàùåíèè (÷òåíèå/çàïèñü) ê ïîðòàì #30-#F0 ïðîèñõîäèò óñòàíîâêà ïîðòà äàííûõ (#10) â ðåæèì ïðèåìà/ïåðåäà÷è
ìëàäøåãî áàéòà. Ïðè êàæäîé çàïèñè â ïîðò #10 åãî ðåæèì àâòîìàòè÷åñêè ïåðåêëþ÷àåòñÿ ìëàäøèé/ñòàðøèé. Òðèããåðû ðåæèìà
äëÿ çàïèñè è ÷òåíèÿ äîëæíû áûòü íåçàâèñèìûìè, ò.å. çàïèñü ïðè çàïèñè â ïîðò #10 à ïîòîì ïðè ÷òåíèè èç íåãî ïîðò #10 äîëæåí
îñòàâàòüñÿ â ðåæèìå ïðèåìà ñòàðøåãî áàéòà (íà çàïèñü ñî ñòîðîíû êîìïüþòåðà).
Çàïèñü:
çàãðóçêà çíà÷åíèé â ïîðòû #30-D0 (ïàðàìåòðû êîìàíäû "çàïèñü ñåêòîðîâ")
çàãðóçêà â ïîðò #F0 êîäà êîìàíäû "çàïèñü ñåêòîðîâ"
öèêë (n - ÷èñëî ïåðåäàâàåìûõ ñëîâ)
{
çàãðóçêà ìëàäøåãî áàéòà äàííûõ â ïîðò #10 (äàííûå çàïèñûâàþòñÿ â ñêðûòûé ðåãèñòð)
çàãðóçêà ñòàðøåãî áàéòà äàííûõ â ïîðò #10 (äàííûå èç ñêðûòîãî ðåãèñòðà è ñ øèíû ïåðåäàþòñÿ â hdd)
}
[âìåñòî öèêëà ìîæíî èñïîëüçîâàòü êîìàíäó otir]
×òåíèå:
çàãðóçêà çíà÷åíèé â ïîðòû #30-D0 (ïàðàìåòðû êîìàíäû "÷òåíèå ñåêòîðîâ")
çàãðóçêà â ïîðò #F0 êîäà êîìàíäû "÷òåíèå ñåêòîðîâ"
öèêë (n - ÷èñëî ïåðåäàâàåìûõ ñëîâ)
{
÷òåíèå ìëàäøåãî áàéòà äàííûõ èç ïîðòà #10 (ïðè ýòîì ñòàðøèé áàéò çàùåëêèâàåòñÿ âî âíåøíåì ðåãèñòðå)
÷òåíèå ñòàðøåãî áàéòà äàííûõ èç ïîðò #10 (÷òåíèå èç ñêðûòîãî ðåãèñòðà)
}
[âìåñòî öèêëà ìîæíî èñïîëüçîâàòü êîìàíäó inir]