source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Inc/IdeIO.inc @ 400

Last change on this file since 400 was 400, checked in by aitotat@…, 12 years ago

Changes to XTIDE Universal BIOS:

  • Moved 8-bit device support to MODULE_8BIT_IDE.
  • JR-IDE/ISA support requires a lot less bytes.
  • AT builds now always use full operating mode.
File size: 2.5 KB
Line 
1; Project name  :   XTIDE Universal BIOS
2; Description   :   Macros for normal I/O mapped ATA controllers.
3
4;
5; XTIDE Universal BIOS and Associated Tools
6; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2012 by XTIDE Universal BIOS Team.
7;
8; This program is free software; you can redistribute it and/or modify
9; it under the terms of the GNU General Public License as published by
10; the Free Software Foundation; either version 2 of the License, or
11; (at your option) any later version.
12;
13; This program is distributed in the hope that it will be useful,
14; but WITHOUT ANY WARRANTY; without even the implied warranty of
15; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16; GNU General Public License for more details.     
17; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
18;
19
20%ifndef IDE_IO_INC
21%define IDE_IO_INC
22
23JRIDE_SECTOR_ACCESS_WINDOW_OFFSET           EQU 3C00h   ; 512 byte IDE Sector Access Window
24JRIDE_COMMAND_BLOCK_REGISTER_WINDOW_OFFSET  EQU 3E00h   ; 8 byte CS0 IDE Register Window
25JRIDE_CONTROL_BLOCK_REGISTER_WINDOW_OFFSET  EQU 3E08h   ; 8 byte CS1 IDE Register Window
26JRIDE_SECTOR_ACCESS_WINDOW_SIZE             EQU 512     ; 512 bytes
27
28
29;--------------------------------------------------------------------
30; OUTPUT_AL_TO_IDE_REGISTER_IN_DL
31; JUMP_TO_OUTPUT_AL_TO_IDE_REGISTER_IN_DL
32; OUTPUT_AL_TO_IDE_CONTROL_BLOCK_REGISTER_IN_DL
33;   Parameters:
34;       AL:     Byte to output
35;       %1:     IDE Register                (OUTPUT_AL_TO_IDE_REGISTER)
36;               IDE Control Block Register  (OUTPUT_AL_TO_IDE_CONTROL_BLOCK_REGISTER)
37;       DS:DI:  Ptr to DPT (in RAMVARS segment)
38;   Returns:
39;       Nothing
40;   Corrupts registers:
41;       BX, DX
42;--------------------------------------------------------------------
43%macro OUTPUT_AL_TO_IDE_REGISTER 1
44%ifnidni %1, dl
45    mov     dl, %1
46%endif
47    call    IdeIO_OutputALtoIdeRegisterInDL
48%endmacro
49
50%macro JUMP_TO_OUTPUT_AL_TO_IDE_REGISTER 1
51%ifnidni %1, dl
52    mov     dl, %1
53%endif
54    jmp     IdeIO_OutputALtoIdeRegisterInDL
55%endmacro
56
57%macro OUTPUT_AL_TO_IDE_CONTROL_BLOCK_REGISTER 1
58%ifnidni %1, dl
59    mov     dl, %1
60%endif
61    call    IdeIO_OutputALtoIdeControlBlockRegisterInDL
62%endmacro
63
64
65;--------------------------------------------------------------------
66; INPUT_TO_AL_FROM_IDE_REGISTER
67;   Parameters:
68;       %1:     IDE Register
69;       DS:DI:  Ptr to DPT (in RAMVARS segment)
70;   Returns:
71;       AL:     Inputted byte
72;   Corrupts registers:
73;       BX, DX
74;--------------------------------------------------------------------
75%macro INPUT_TO_AL_FROM_IDE_REGISTER 1
76%ifnidni %1, dl
77    mov     dl, %1
78%endif
79    call    IdeIO_InputToALfromIdeRegisterInDL
80%endmacro
81
82
83%endif ; IDE_IO_INC
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