[2] | 1 | ; File name : main.asm |
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| 2 | ; Project name : XTIDE Univeral BIOS Configurator |
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| 3 | ; Created date : 16.4.2010 |
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| 4 | ; Last update : 30.4.2010 |
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| 5 | ; Author : Tomi Tilli |
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| 6 | ; Description : Program start and exit. |
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| 7 | |
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| 8 | ; Include .inc files |
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| 9 | %include "emulate.inc" ; Emulation library. Must be first! |
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| 10 | %include "BiosData.inc" ; For BIOS Data Area variables |
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| 11 | %include "Variables.inc" ; Global variables for this program |
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| 12 | %include "MenuPage.inc" ; Menu page and item structs |
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| 13 | %include "RomVars.inc" ; XTIDE Universal BIOS ROMVARS |
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| 14 | |
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| 15 | |
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| 16 | ; Section containing code |
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| 17 | SECTION .text |
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| 18 | |
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| 19 | ; Program first instruction. |
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| 20 | ORG 100h ; Code starts at offset 100h (DOS .COM) |
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| 21 | Start: |
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| 22 | jmp Main_Start |
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| 23 | |
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| 24 | ; Include library sources |
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| 25 | %include "math.asm" |
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| 26 | %include "print.asm" |
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| 27 | %include "string.asm" |
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| 28 | %include "keys.asm" |
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| 29 | %include "file.asm" |
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| 30 | %include "menu.asm" |
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| 31 | |
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| 32 | ; Include sources for this program |
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| 33 | %include "Strings.asm" ; For program strings |
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| 34 | %include "MenuEvent.asm" ; For handling menu library events |
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| 35 | %include "MenuEventHotkey.asm" ; For handling menu hotkeys |
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| 36 | %include "MenuPage.asm" ; For accessing MENUPAGE structs |
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| 37 | %include "MenuPageItem.asm" ; For accessing MENUPAGEITEM structs |
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| 38 | %include "MenuPageItemFormat.asm" ; For printing menuitem names |
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| 39 | %include "FormatTitle.asm" ; For printing menu title |
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| 40 | %include "BiosFile.asm" ; For loading and saving BIOS file |
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| 41 | %include "EEPROM.asm" ; For handling EEPROM contents |
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| 42 | %include "Flash.asm" ; For flashing EEPROM |
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| 43 | |
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| 44 | %include "MainMenu.asm" ; For main menu |
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| 45 | %include "ConfigurationMenu.asm" ; For XTIDE Universal BIOS configuration menu |
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| 46 | %include "BootLoaderValueMenu.asm" ; For selecting boot loader type |
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| 47 | %include "IdeControllerMenu.asm" ; For configuring IDEVARS |
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| 48 | %include "BusTypeValueMenu.asm" ; For selecting bus type |
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| 49 | %include "DrvParamsMenu.asm" ; For configuring DRVPARAMS |
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| 50 | %include "BootMenuSettingsMenu.asm" ; For configuring boot menu |
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| 51 | %include "FlashMenu.asm" ; For flash settings |
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| 52 | %include "SdpCommandValueMenu.asm" ; For selecting SDP command |
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| 53 | |
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| 54 | |
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| 55 | ;-------------------------------------------------------------------- |
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| 56 | ; Program start |
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| 57 | ;-------------------------------------------------------------------- |
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| 58 | ALIGN JUMP_ALIGN |
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| 59 | Main_Start: |
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| 60 | call MenuDraw_ClrScr ; Clear screen |
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| 61 | call Main_InitializeVariables |
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| 62 | |
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| 63 | ; Create main menu |
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| 64 | mov si, g_MenuPageMain ; DS:SI points to MENUPAGE for main menu |
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| 65 | call MainMenu_SetMenuitemVisibility |
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| 66 | call Main_EnterMenu ; Enter menu |
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| 67 | call MenuDraw_ClrScr ; Clear screen |
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| 68 | |
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| 69 | ; Exit to DOS |
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| 70 | mov ax, 4C00h ; Exit to DOS |
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| 71 | int 21h |
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| 72 | |
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| 73 | |
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| 74 | ;-------------------------------------------------------------------- |
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| 75 | ; Initializes global variables used in this program. |
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| 76 | ; |
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| 77 | ; Main_InitializeVariables |
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| 78 | ; Parameters: |
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| 79 | ; Nothing |
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| 80 | ; Returns: |
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| 81 | ; Nothing |
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| 82 | ; Corrupts registers: |
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| 83 | ; AX, BX, CX, DX, SI, DI, ES |
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| 84 | ;-------------------------------------------------------------------- |
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| 85 | ALIGN JUMP_ALIGN |
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| 86 | Main_InitializeVariables: |
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| 87 | ; Zero all global variables |
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| 88 | mov di, g_cfgVars ; ES:DI points to global variables |
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| 89 | mov cx, (CFGVARS_size+ROMVARS_size)/2 ; Size in words |
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| 90 | xor ax, ax ; To store zero |
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| 91 | cld ; STOSW to increment DI |
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| 92 | rep stosw ; Zero all variables |
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| 93 | |
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| 94 | ; Find Xtide Universal BIOS segment |
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| 95 | mov dx, 0D000h ; XTIDE default segment |
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| 96 | call EEPROM_FindXtideUniversalBiosROM |
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| 97 | jnc SHORT .InitializeVariables |
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| 98 | mov dx, es ; XTIDE segment to DX |
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| 99 | |
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| 100 | ALIGN JUMP_ALIGN |
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| 101 | .InitializeVariables: |
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| 102 | mov WORD [g_cfgVars+CFGVARS.wFlags], FLG_CFGVARS_CHECKSUM |
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| 103 | mov WORD [g_cfgVars+CFGVARS.wEepromSegment], dx |
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| 104 | mov BYTE [g_cfgVars+CFGVARS.bPageSize], 1 |
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| 105 | mov BYTE [g_cfgVars+CFGVARS.bSdpCommand], CMD_SDP_ENABLE |
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| 106 | ret |
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| 107 | |
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| 108 | |
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| 109 | ;-------------------------------------------------------------------- |
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| 110 | ; Enters main or submenu. |
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| 111 | ; |
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| 112 | ; Main_EnterMenu |
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| 113 | ; Parameters: |
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| 114 | ; DS:SI: Ptr to MENUPAGE (also menu user far pointer for MENUVARS.user) |
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| 115 | ; Returns: |
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| 116 | ; CX: Index of last pointed Menuitem (not necessary selected with ENTER) |
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| 117 | ; FFFFh if cancelled with ESC |
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| 118 | ; Corrupts registers: |
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| 119 | ; AX, BX, CX, DX, SI, DI |
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| 120 | ;-------------------------------------------------------------------- |
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| 121 | ALIGN JUMP_ALIGN |
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| 122 | Main_EnterMenu: |
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| 123 | call MenuPage_GetNumberOfVisibleItems |
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| 124 | mov cl, al ; Number of visible menuitems to CL |
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| 125 | mov ax, (CNT_SCRN_ROW<<8) | WIDTH_MENU |
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| 126 | mov bx, (CNT_INFO_LINES<<8) | CNT_TITLE_LINES |
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| 127 | mov ch, [cs:g_cfgVars+CFGVARS.wFlags] ; Load program flags to CH |
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| 128 | and ch, FLG_MNU_HIDENFO ; Clear all but info flag |
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| 129 | xor dx, dx ; No selection timeout |
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| 130 | mov di, MenuEvent_Handler ; CS:DI points to menu event handler |
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| 131 | inc BYTE [cs:g_cfgVars+CFGVARS.bMenuCnt] |
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| 132 | call Menu_Enter |
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| 133 | dec BYTE [cs:g_cfgVars+CFGVARS.bMenuCnt] |
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| 134 | jz SHORT .Return |
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| 135 | |
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| 136 | ; Update info visibility for previous menu where to resume |
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| 137 | test BYTE [cs:g_cfgVars+CFGVARS.wFlags], FLG_CFGVARS_HIDEINFO |
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| 138 | jnz SHORT .HideInfo |
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| 139 | call Menu_ShowInfo |
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| 140 | ret |
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| 141 | ALIGN JUMP_ALIGN |
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| 142 | .HideInfo: |
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| 143 | call Menu_HideInfo |
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| 144 | .Return: |
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| 145 | ret |
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| 146 | |
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| 147 | |
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| 148 | ; Section containing uninitialized data |
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| 149 | SECTION .bss |
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| 150 | |
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| 151 | ALIGN WORD_ALIGN ; All global variables |
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| 152 | g_cfgVars: resb CFGVARS_size |
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