Trivial Solutions
                    The LoseThos 64-bit PC Operating System
File:/LT/OSMain/Dsk/ATADef.HPZ
This, and all LoseThos files, are public domain.  Do whatever you like.
God is watching; God is just; God is never out-done in generosity.  He talks!

LoseThos code compiles with the 64-bit LoseThos compiler/assembler I wrote.
Boot the LoseThos CD and you can compile it.  Not in Kansas anymore!

Click here for preliminary compiler information you need.

//See ::/LT/Doc/Acknowledgements.TXZ (2).

#define ATA_NOP                 0x00
#define ATA_DEV_RST             0x08
#define ATA_PACKET              0xA0
#define ATA_READ_NATIVE_MAX     0xF8
#define ATA_READ_NATIVE_MAX_EXT 0x27
#define ATA_SET_MAX             0xF9
#define ATA_SET_MAX_EXT         0x37
#define ATA_READ_MULTI          0xC4
#define ATA_READ_MULTI_EXT      0x29
#define ATA_WRITE_MULTI         0xC5
#define ATA_WRITE_MULTI_EXT     0x39
#define ATA_ID_DEV              0xEC

#define ATAS_ERR        0x01
#define ATAS_DRQ        0x08
#define ATAS_DF         0x20
#define ATAS_DRDY       0x40
#define ATAS_BSY        0x80

#define ATAR0_DATA      0
#define ATAR0_FEAT      1
#define ATAR0_NSECT     2
#define ATAR0_SECT      3
#define ATAR0_LCYL      4
#define ATAR0_HCYL      5
#define ATAR0_SELECT    6
#define ATAR0_STAT      7
#define ATAR0_CMD       7
#define ATAR1_CTRL      2