source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS_Configurator_v2/Src/Main.asm @ 620

Last change on this file since 620 was 620, checked in by krille_n_, 2 years ago

Changes:

  • A huge thank you to Jayeson Lee-Steere for adding SST39SF0x0 flash ROM programming support to the configurator (XTIDECFG.COM). This means that there is no longer a need to use a separate program for flashing the Lo-Tech boards and other devices using these flash ROMs.
File size: 4.8 KB
Line 
1; Project name  :   XTIDE Universal BIOS Configurator v2
2; Description   :   Program start and exit.
3
4;
5; XTIDE Universal BIOS and Associated Tools
6; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 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; Include .inc files
21
22%define INCLUDE_MENU_DIALOGS
23%define INCLUDE_SERIAL_LIBRARY
24
25%include "AssemblyLibrary.inc"  ; Assembly Library. Must be included first!
26%include "RomVars.inc"          ; XTIDE Universal BIOS variables
27%include "ATA_ID.inc"           ; Needed for Master/Slave Drive menu
28%include "IdeRegisters.inc"     ; Needed for port and device autodetection
29%include "JRIDE_ISA.inc"        ; For JR-IDE/ISA default segment
30%include "ADP50L.inc"           ; For ADP50L default segment
31%include "XTCF.inc"             ; For XT-CF modes
32
33%include "Version.inc"
34%include "MenuCfg.inc"
35%include "MenuStructs.inc"
36%include "Variables.inc"
37
38
39; Section containing code
40SECTION .text
41
42
43; Program first instruction.
44ORG 100h                        ; Code starts at offset 100h (DOS .COM)
45Start:
46    jmp     Main_Start
47
48; Include library sources
49%include "AssemblyLibrary.asm"
50
51; Include sources for this program
52%include "AutoConfigure.asm"
53%include "BiosFile.asm"
54%include "Buffers.asm"
55%include "Dialogs.asm"
56%include "EEPROM.asm"
57%include "Flash.asm"
58%include "FlashSST.asm"
59%include "IdeAutodetect.asm"
60%include "MenuEvents.asm"
61%include "Menuitem.asm"
62%include "MenuitemPrint.asm"
63%include "Menupage.asm"
64%include "Strings.asm"
65
66%include "BootMenuSettingsMenu.asm"
67%include "ConfigurationMenu.asm"
68%include "FlashMenu.asm"
69%include "IdeControllerMenu.asm"
70%include "MainMenu.asm"
71%include "MasterSlaveMenu.asm"
72
73
74
75;--------------------------------------------------------------------
76; Program start
77;--------------------------------------------------------------------
78ALIGN JUMP_ALIGN
79Main_Start:
80    mov     ah, GET_DOS_VERSION
81    int     DOS_INTERRUPT_21h
82    cmp     al, 2
83    jae     SHORT .DosVersionIsOK
84    mov     dx, g_s$NotMinimumDosVersion
85    mov     ah, WRITE_STRING_TO_STANDARD_OUTPUT
86    int     DOS_INTERRUPT_21h
87    ret
88.DosVersionIsOK:
89    mov     [bDosVersionMajor], al                  ; bDosVersionMajor must be initialized by the application (library code depends on it)
90    cmp     al, 5
91    jb      SHORT .DoNotInstallInt2FhHandler
92    ; Since we are installing our Int2Fh handler we must also hook interrupt 23h to ensure a clean exit on ctrl-c/ctrl-break
93    call    HookInterrupt23h
94    call    HookInterrupt2Fh
95.DoNotInstallInt2FhHandler:
96
97    mov     ax, SCREEN_BACKGROUND_CHARACTER_AND_ATTRIBUTE
98    call    InitializeScreenWithBackgroundCharAndAttrInAX
99
100    call    Main_InitializeCfgVars
101    call    MenuEvents_DisplayMenu
102    mov     ax, DOS_BACKGROUND_CHARACTER_AND_ATTRIBUTE
103    call    InitializeScreenWithBackgroundCharAndAttrInAX
104
105    call    UnhookInterrupt2Fh
106
107    ; Exit to DOS
108    mov     ax, TERMINATE_WITH_RETURN_CODE<<8       ; Errorlevel 0 in AL
109    int     DOS_INTERRUPT_21h
110
111
112;--------------------------------------------------------------------
113; InitializeScreenWithBackgroundCharAndAttrInAX
114;   Parameters:
115;       AL:     Background character
116;       AH:     Background attribute
117;   Returns:
118;       Nothing
119;   Corrupts registers:
120;       AX, DX, DI
121;--------------------------------------------------------------------
122ALIGN JUMP_ALIGN
123InitializeScreenWithBackgroundCharAndAttrInAX:
124    xchg    dx, ax
125    CALL_DISPLAY_LIBRARY InitializeDisplayContext   ; Reset cursor etc
126    xchg    ax, dx
127    JMP_DISPLAY_LIBRARY ClearScreenWithCharInALandAttrInAH
128
129
130;--------------------------------------------------------------------
131; Main_InitializeCfgVars
132;   Parameters:
133;       DS:     Segment to CFGVARS
134;   Returns:
135;       Nothing
136;   Corrupts registers:
137;       AX, BX, CX, DI
138;--------------------------------------------------------------------
139ALIGN JUMP_ALIGN
140Main_InitializeCfgVars:
141    push    es
142
143    call    Buffers_Clear
144    call    EEPROM_FindXtideUniversalBiosROMtoESDI
145    jc      SHORT .InitializationCompleted
146    mov     [CFGVARS.wEepromSegment], es
147.InitializationCompleted:
148    pop     es
149    ret
150
151
152; Section containing initialized data
153SECTION .data
154
155ALIGN WORD_ALIGN
156g_cfgVars:
157istruc CFGVARS
158    at  CFGVARS.pMenupage,          dw  g_MenupageForMainMenu
159    at  CFGVARS.wFlags,             dw  DEFAULT_CFGVARS_FLAGS
160    at  CFGVARS.wEepromSegment,     dw  0
161    at  CFGVARS.bEepromType,        db  DEFAULT_EEPROM_TYPE
162    at  CFGVARS.bEepromPage,        db  DEFAULT_PAGE_SIZE
163    at  CFGVARS.bSdpCommand,        db  DEFAULT_SDP_COMMAND
164iend
165
166
167; Section containing uninitialized data
168SECTION .bss
169
170bDosVersionMajor:   resb    1
171
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