www.pudn.com > cf_sector_RW.rar > cf_io_space.inc

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* This file contains CompactFlash Memory Card Register values and  
* defines the ATA commands 
* Author:	Miguel Hernandez IV 
* Filename:	cf_io_space.inc 
* Date:		08-01-01 
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* I/0 Space Addresses (IDE Mode Transfer Function) 
********************************************************************** 
 
***** Alternate Status Register / Device Control Register 
 
AltStatReg	.set	0xA806	;Alt Status (Read Only) 
ControlReg	.set	0xA806  ;Control (Write Only) 
 
***** Data Register 
 
WrdDataReg	.set	0xB000	;Data Register (Read/Write) 
 
***** Task File Registers 
 
ErrorReg	.set	0xB001	;Error Register (Read Only) 
FeatureReg  .set	0xB001	;Features Register (Write Only) 
SectCntReg	.set	0xB002	;Sector Count Register (Read/Write) 
SectNumReg	.set	0xB003	;Sector Number Register (Read/Write) 
CylnLowReg	.set	0xB004	;Cylinder Low Register (Read/Write) 
CylnHighReg	.set	0xB005	;Cylinder High Register (Read/Write) 
CrdHeadReg	.set	0xB006	;Card and Head Register (Read/Write) 
StatusReg	.set	0xB007	;Status Register (Read Only) 
CommandReg	.set	0xB007	;Command Register (Write Only) 
 
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* Commands 
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	.data 
		 
_CIdentifyDrive	.uint	0xEC	;Identify Drive 
_CReadSectors	.uint	0x20	;Read Sector(s) 
_CWriteSectors	.uint	0x30	;Write Sector(s) 
 
    .global _CIdentifyDrive 
    .global _CReadSectors 
    .global _CWriteSectors 
 
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