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IDE documentation for PC-9801

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Angelo Salese 2013-08-05 23:02:14 +00:00
parent c6b05a75c4
commit 496f5a213a
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src/mess/drivers/pc9801.c
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@ -314,6 +314,32 @@
PC-9821 Lt/Ld (1995) - aka 98NOTE Light, laptops, 486 based
PC-9821 La/Ls (1995->1997) - aka 98NOTE Aile, laptops, Pentium based
====
Documentation notes (for unemulated stuff, provided by ):
IDE:
(r/w)
0x430: IDE drive switch
0x432: IDE drive switch
0x435: <unknown>
(ISA correlated i/o)
----------------------------------------------------------
0x0640 |WORD|R/W|Data Register |01F0h
0x0642 |BYTE| R |Error Register |01F1h
0x0642 |BYTE| W |Write Precomp Register |01F1h
0x0644 |BYTE|R/W|Sector Count |01F2h
0x0646 |BYTE|R/W|Sector Number |01F3h
0x0648 |BYTE|R/W|Cylinder Low |01F4h
0x064A |BYTE|R/W|Cylinder High |01F5h
0x064C |BYTE|R/W|SDH Register |01F6h
0x064E |BYTE| R |Status Register |01F7h
0x064E |BYTE| W |Command Register |01F7h
0x074C |BYTE| R |Alternate Status Register |03F6h
0x074C |BYTE| W |Digital Output Register |03F6h
0x074E |BYTE| R |Digital Input Register |03F7h
****************************************************************************************************/
#include "emu.h"