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source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS_Configurator_v2/Src/Menupages/BootMenuSettingsMenu.asm @ 597

Last change on this file since 597 was 597, checked in by aitotat, 6 years ago
Windows 95 CMOS hack now works with Award BIOSes. Some small optimizations to INT 19h and INT 19h reset handlers. Added menuitem to configurator for clearing BDA drive count.
File size: 18.0 KB

Rev	Line
[59]	1	; Project name : XTIDE Universal BIOS Configurator v2
[592]	2	; Description : "Boot settings" menu structs and functions.
[59]	3
[376]	4	;
[399]	5	; XTIDE Universal BIOS and Associated Tools
[526]	6	; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 by XTIDE Universal BIOS Team.
[376]	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.
[399]	12	;
[376]	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
[399]	16	; GNU General Public License for more details.
[376]	17	; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
[399]	18	;
[376]	19
[59]	20	; Section containing initialized data
	21	SECTION .data
	22
	23	ALIGN WORD_ALIGN
	24	g_MenupageForBootMenuSettingsMenu:
	25	istruc MENUPAGE
	26	at MENUPAGE.fnEnter, dw BootMenuSettingsMenu_EnterMenuOrModifyItemVisibility
	27	at MENUPAGE.fnBack, dw ConfigurationMenu_EnterMenuOrModifyItemVisibility
[597]	28	at MENUPAGE.wMenuitems, dw 8
[59]	29	iend
	30
	31	g_MenuitemBootMnuStngsBackToConfigurationMenu:
	32	istruc MENUITEM
	33	at MENUITEM.fnActivate, dw ConfigurationMenu_EnterMenuOrModifyItemVisibility
	34	at MENUITEM.szName, dw g_szItemBackToCfgMenu
	35	at MENUITEM.szQuickInfo, dw g_szNfoIdeBackToCfgMenu
	36	at MENUITEM.szHelp, dw g_szNfoIdeBackToCfgMenu
	37	at MENUITEM.bFlags, db FLG_MENUITEM_VISIBLE
	38	at MENUITEM.bType, db TYPE_MENUITEM_PAGEBACK
	39	iend
	40
[144]	41	g_MenuitemBootMnuStngsDisplayMode:
	42	istruc MENUITEM
	43	at MENUITEM.fnActivate, dw Menuitem_ActivateMultichoiceSelectionForMenuitemInDSSI
	44	at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteLookupValueStringToBufferInESDIfromUnshiftedItemInDSSI
	45	at MENUITEM.szName, dw g_szItemBootDispMode
	46	at MENUITEM.szQuickInfo, dw g_szNfoDispMode
	47	at MENUITEM.szHelp, dw g_szNfoDispMode
	48	at MENUITEM.bFlags, db FLG_MENUITEM_VISIBLE
	49	at MENUITEM.bType, db TYPE_MENUITEM_MULTICHOICE
	50	at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw ROMVARS.wDisplayMode
	51	at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgBootDispMode
	52	at MENUITEM.itemValue + ITEM_VALUE.szMultichoice, dw g_szMultichoiceBootDispMode
	53	at MENUITEM.itemValue + ITEM_VALUE.rgwChoiceToValueLookup, dw g_rgwChoiceToValueLookupForDisplayModes
	54	at MENUITEM.itemValue + ITEM_VALUE.rgszValueToStringLookup, dw g_rgszValueToStringLookupForDisplayModes
	55	iend
	56
[592]	57	g_MenuitemBootMnuStngsColorTheme:
	58	istruc MENUITEM
	59	at MENUITEM.fnActivate, dw Menuitem_ActivateMultichoiceSelectionForMenuitemInDSSI
	60	at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteLookupValueStringToBufferInESDIfromUnshiftedItemInDSSI
	61	at MENUITEM.szName, dw g_szItemColorTheme
	62	at MENUITEM.szQuickInfo, dw g_szNfoColorTheme
	63	at MENUITEM.szHelp, dw g_szHelpColorTheme
	64	at MENUITEM.bFlags, db FLG_MENUITEM_VISIBLE \| FLG_MENUITEM_MODIFY_MENU
	65	at MENUITEM.bType, db TYPE_MENUITEM_MULTICHOICE
	66	at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw ROMVARS.pColorTheme ; Only ever read - never modified
	67	at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgColorTheme
	68	at MENUITEM.itemValue + ITEM_VALUE.szMultichoice, dw g_szMultichoiceColorTheme
	69	at MENUITEM.itemValue + ITEM_VALUE.rgwChoiceToValueLookup, dw NULL
	70	at MENUITEM.itemValue + ITEM_VALUE.rgszValueToStringLookup, dw g_rgszValueToStringLookupForColorTheme
	71	at MENUITEM.itemValue + ITEM_VALUE.fnValueReader, dw ReadColorTheme
	72	at MENUITEM.itemValue + ITEM_VALUE.fnValueWriter, dw WriteColorTheme
	73	iend
	74
[59]	75	g_MenuitemBootMnuStngsFloppyDrives:
	76	istruc MENUITEM
[108]	77	at MENUITEM.fnActivate, dw Menuitem_ActivateMultichoiceSelectionForMenuitemInDSSI
[59]	78	at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteLookupValueStringToBufferInESDIfromUnshiftedItemInDSSI
	79	at MENUITEM.szName, dw g_szItemBootFloppyDrvs
	80	at MENUITEM.szQuickInfo, dw g_szNfoBootFloppyDrvs
	81	at MENUITEM.szHelp, dw g_szHelpBootFloppyDrvs
	82	at MENUITEM.bFlags, db FLG_MENUITEM_VISIBLE \| FLG_MENUITEM_BYTEVALUE
[108]	83	at MENUITEM.bType, db TYPE_MENUITEM_MULTICHOICE
[59]	84	at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw ROMVARS.bMinFddCnt
	85	at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgBootFloppyDrvs
[108]	86	at MENUITEM.itemValue + ITEM_VALUE.szMultichoice, dw g_szMultichoiceBootFloppyDrvs
[199]	87	at MENUITEM.itemValue + ITEM_VALUE.rgwChoiceToValueLookup, dw NULL
[59]	88	at MENUITEM.itemValue + ITEM_VALUE.rgszValueToStringLookup, dw g_rgszValueToStringLookupForFloppyDrives
	89	iend
	90
[399]	91	g_MenuitemBootMenuSerialScanDetect:
[290]	92	istruc MENUITEM
	93	at MENUITEM.fnActivate, dw Menuitem_ActivateMultichoiceSelectionForMenuitemInDSSI
	94	at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteLookupValueStringToBufferInESDIfromShiftedItemInDSSI
	95	at MENUITEM.szName, dw g_szItemSerialDetect
	96	at MENUITEM.szQuickInfo, dw g_szNfoSerialDetect
	97	at MENUITEM.szHelp, dw g_szHelpSerialDetect
[403]	98	at MENUITEM.bFlags, db FLG_MENUITEM_FLAGVALUE
[290]	99	at MENUITEM.bType, db TYPE_MENUITEM_MULTICHOICE
	100	at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw ROMVARS.wFlags
	101	at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgSerialDetect
	102	at MENUITEM.itemValue + ITEM_VALUE.szMultichoice, dw g_szMultichoiceBooleanFlag
	103	at MENUITEM.itemValue + ITEM_VALUE.rgszValueToStringLookup, dw g_rgszValueToStringLookupForFlagBooleans
	104	at MENUITEM.itemValue + ITEM_VALUE.wValueBitmask, dw FLG_ROMVARS_SERIAL_SCANDETECT
	105	iend
	106
	107	g_MenuitemBootMnuStngsDefaultBootDrive:
	108	istruc MENUITEM
	109	at MENUITEM.fnActivate, dw Menuitem_ActivateHexInputForMenuitemInDSSI
	110	at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteHexValueStringToBufferInESDIfromItemInDSSI
	111	at MENUITEM.szName, dw g_szItemBootDrive
	112	at MENUITEM.szQuickInfo, dw g_szNfoBootDrive
	113	at MENUITEM.szHelp, dw g_szHelpBootDrive
[459]	114	at MENUITEM.bFlags, db FLG_MENUITEM_BYTEVALUE
[290]	115	at MENUITEM.bType, db TYPE_MENUITEM_HEX
	116	at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw ROMVARS.bBootDrv
	117	at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgBootDrive
	118	at MENUITEM.itemValue + ITEM_VALUE.wMinValue, dw 0
	119	at MENUITEM.itemValue + ITEM_VALUE.wMaxValue, dw 0FFh
	120	iend
	121
[59]	122	g_MenuitemBootMnuStngsSelectionTimeout:
	123	istruc MENUITEM
	124	at MENUITEM.fnActivate, dw Menuitem_ActivateUnsignedInputForMenuitemInDSSI
	125	at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteUnsignedValueStringToBufferInESDIfromItemInDSSI
	126	at MENUITEM.szName, dw g_szItemBootTimeout
	127	at MENUITEM.szQuickInfo, dw g_szNfoBootTimeout
	128	at MENUITEM.szHelp, dw g_szHelpBootTimeout
[290]	129	at MENUITEM.bFlags, db NULL
[59]	130	at MENUITEM.bType, db TYPE_MENUITEM_UNSIGNED
[136]	131	at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw ROMVARS.wBootTimeout
[59]	132	at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgBootTimeout
[290]	133	at MENUITEM.itemValue + ITEM_VALUE.wMinValue, dw 2
[136]	134	at MENUITEM.itemValue + ITEM_VALUE.wMaxValue, dw 1092
[59]	135	iend
	136
[597]	137	g_MenuitemBootMnuStngsClearBdaDriveCount:
	138	istruc MENUITEM
	139	at MENUITEM.fnActivate, dw Menuitem_ActivateMultichoiceSelectionForMenuitemInDSSI
	140	at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteLookupValueStringToBufferInESDIfromShiftedItemInDSSI
	141	at MENUITEM.szName, dw g_szItemClearBdaDriveCount
	142	at MENUITEM.szQuickInfo, dw g_szNfoClearBdaDriveCount
	143	at MENUITEM.szHelp, dw g_szHelpClearBdaDriveCount
	144	at MENUITEM.bFlags, db FLG_MENUITEM_FLAGVALUE
	145	at MENUITEM.bType, db TYPE_MENUITEM_MULTICHOICE
	146	at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw ROMVARS.wFlags
	147	at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgClearBdaDriveCount
	148	at MENUITEM.itemValue + ITEM_VALUE.szMultichoice, dw g_szMultichoiceBooleanFlag
	149	at MENUITEM.itemValue + ITEM_VALUE.rgszValueToStringLookup, dw g_rgszValueToStringLookupForFlagBooleans
	150	at MENUITEM.itemValue + ITEM_VALUE.wValueBitmask, dw FLG_ROMVARS_IGNORE_MOTHERBOARD_DRIVES
	151	iend
	152
	153
[144]	154	g_rgwChoiceToValueLookupForDisplayModes:
	155	dw DEFAULT_TEXT_MODE
	156	dw CGA_TEXT_MODE_BW40
	157	dw CGA_TEXT_MODE_CO40
	158	dw CGA_TEXT_MODE_BW80
	159	dw CGA_TEXT_MODE_CO80
	160	dw MDA_TEXT_MODE
	161	g_rgszValueToStringLookupForDisplayModes:
	162	dw g_szValueBootDispModeBW40
	163	dw g_szValueBootDispModeCO40
	164	dw g_szValueBootDispModeBW80
	165	dw g_szValueBootDispModeCO80
	166	dw g_szValueBootDispModeDefault
	167	dw NULL
	168	dw NULL
	169	dw g_szValueBootDispModeMono
	170
[59]	171	g_rgszValueToStringLookupForFloppyDrives:
	172	dw g_szValueBootFloppyDrvsAuto
	173	dw g_szValueBootFloppyDrvs1
	174	dw g_szValueBootFloppyDrvs2
	175	dw g_szValueBootFloppyDrvs3
	176	dw g_szValueBootFloppyDrvs4
	177
[592]	178	g_rgszValueToStringLookupForColorTheme:
	179	dw g_szValueColorTheme0
	180	dw g_szValueColorTheme1
	181	dw g_szValueColorTheme2
	182	dw g_szValueColorTheme3
	183	dw g_szValueColorTheme4
	184	dw g_szValueColorTheme5
[59]	185
[592]	186	ColorThemeTable:
	187	; Classic (default)
	188	db COLOR_ATTRIBUTE(COLOR_YELLOW, COLOR_BLUE) ; .cBordersAndBackground
	189	db COLOR_ATTRIBUTE(COLOR_GRAY, COLOR_BLACK) ; .cShadow
	190	db COLOR_ATTRIBUTE(COLOR_BRIGHT_WHITE, COLOR_BLUE) ; .cTitle
	191	db COLOR_ATTRIBUTE(COLOR_WHITE, COLOR_BLUE) ; .cItem
	192	db COLOR_ATTRIBUTE(COLOR_BRIGHT_WHITE, COLOR_CYAN) ; .cHighlightedItem
	193	db COLOR_ATTRIBUTE(COLOR_RED, COLOR_BLUE) \| FLG_COLOR_BLINK ; .cHurryTimeout
	194	db COLOR_ATTRIBUTE(COLOR_GREEN, COLOR_BLUE) ; .cNormalTimeout
	195	; Argon Blue
	196	db COLOR_ATTRIBUTE(COLOR_LIGHT_BLUE, COLOR_BLACK) ; .cBordersAndBackground
	197	db COLOR_ATTRIBUTE(COLOR_GRAY, COLOR_BLACK) ; .cShadow
	198	db COLOR_ATTRIBUTE(COLOR_BRIGHT_WHITE, COLOR_BLACK) ; .cTitle
	199	db COLOR_ATTRIBUTE(COLOR_WHITE, COLOR_BLACK) ; .cItem
	200	db COLOR_ATTRIBUTE(COLOR_LIGHT_BLUE, COLOR_BLACK) ; .cHighlightedItem
	201	db COLOR_ATTRIBUTE(COLOR_LIGHT_BLUE, COLOR_BLACK) \| FLG_COLOR_BLINK ; .cHurryTimeout
	202	db COLOR_ATTRIBUTE(COLOR_LIGHT_BLUE, COLOR_BLACK) ; .cNormalTimeout
	203	; Neon Red
	204	db COLOR_ATTRIBUTE(COLOR_LIGHT_RED, COLOR_BLACK) ; .cBordersAndBackground
	205	db COLOR_ATTRIBUTE(COLOR_GRAY, COLOR_BLACK) ; .cShadow
	206	db COLOR_ATTRIBUTE(COLOR_BRIGHT_WHITE, COLOR_BLACK) ; .cTitle
	207	db COLOR_ATTRIBUTE(COLOR_WHITE, COLOR_BLACK) ; .cItem
	208	db COLOR_ATTRIBUTE(COLOR_LIGHT_RED, COLOR_BLACK) ; .cHighlightedItem
	209	db COLOR_ATTRIBUTE(COLOR_LIGHT_RED, COLOR_BLACK) \| FLG_COLOR_BLINK ; .cHurryTimeout
	210	db COLOR_ATTRIBUTE(COLOR_LIGHT_RED, COLOR_BLACK) ; .cNormalTimeout
	211	; Phosphor Green
	212	db COLOR_ATTRIBUTE(COLOR_LIGHT_GREEN, COLOR_BLACK) ; .cBordersAndBackground
	213	db COLOR_ATTRIBUTE(COLOR_GRAY, COLOR_BLACK) ; .cShadow
	214	db COLOR_ATTRIBUTE(COLOR_BRIGHT_WHITE, COLOR_BLACK) ; .cTitle
	215	db COLOR_ATTRIBUTE(COLOR_WHITE, COLOR_BLACK) ; .cItem
	216	db COLOR_ATTRIBUTE(COLOR_LIGHT_GREEN, COLOR_BLACK) ; .cHighlightedItem
	217	db COLOR_ATTRIBUTE(COLOR_LIGHT_GREEN, COLOR_BLACK) \| FLG_COLOR_BLINK ; .cHurryTimeout
	218	db COLOR_ATTRIBUTE(COLOR_LIGHT_GREEN, COLOR_BLACK) ; .cNormalTimeout
	219	; Moon Surface
	220	db COLOR_ATTRIBUTE(COLOR_GRAY, COLOR_BLACK) ; .cBordersAndBackground
	221	db COLOR_ATTRIBUTE(COLOR_GRAY, COLOR_BLACK) ; .cShadow
	222	db COLOR_ATTRIBUTE(COLOR_BRIGHT_WHITE, COLOR_BLACK) ; .cTitle
	223	db COLOR_ATTRIBUTE(COLOR_WHITE, COLOR_BLACK) ; .cItem
	224	db COLOR_ATTRIBUTE(COLOR_BROWN, COLOR_BLACK) ; .cHighlightedItem
	225	db COLOR_ATTRIBUTE(COLOR_BRIGHT_WHITE, COLOR_BLACK) \| FLG_COLOR_BLINK ; .cHurryTimeout
	226	db COLOR_ATTRIBUTE(COLOR_WHITE, COLOR_BLACK) ; .cNormalTimeout
	227	; Toxic Waste
	228	db COLOR_ATTRIBUTE(COLOR_LIGHT_GREEN, COLOR_BLACK) ; .cBordersAndBackground
	229	db COLOR_ATTRIBUTE(COLOR_GRAY, COLOR_BLACK) ; .cShadow
	230	db COLOR_ATTRIBUTE(COLOR_LIGHT_GREEN, COLOR_BLACK) ; .cTitle
	231	db COLOR_ATTRIBUTE(COLOR_LIGHT_CYAN, COLOR_BLACK) ; .cItem
	232	db COLOR_ATTRIBUTE(COLOR_LIGHT_CYAN, COLOR_BLUE) ; .cHighlightedItem
	233	db COLOR_ATTRIBUTE(COLOR_LIGHT_RED, COLOR_BLACK) \| FLG_COLOR_BLINK ; .cHurryTimeout
	234	db COLOR_ATTRIBUTE(COLOR_LIGHT_RED, COLOR_BLACK) ; .cNormalTimeout
	235	EndOfColorThemeTable:
	236	CountOfThemes equ (EndOfColorThemeTable-ColorThemeTable) / ATTRIBUTE_CHARS_size
	237
	238
[59]	239	; Section containing code
	240	SECTION .text
	241
	242	;--------------------------------------------------------------------
	243	; BootMenuSettingsMenu_EnterMenuOrModifyItemVisibility
	244	; Parameters:
	245	; SS:BP: Menu handle
	246	; Returns:
	247	; Nothing
	248	; Corrupts registers:
	249	; All, except BP
	250	;--------------------------------------------------------------------
	251	ALIGN JUMP_ALIGN
	252	BootMenuSettingsMenu_EnterMenuOrModifyItemVisibility:
	253	push cs
	254	pop ds
[580]	255	call Buffers_GetRomvarsFlagsToAX
[459]	256	call .EnableOrDisableScanForSerialDrives
	257	call .EnableOrDisableDefaultBootDrive
[592]	258	call .EnableOrDisableColorThemeSelection
[459]	259	call .EnableOrDisableBootMenuSelectionTimeout
[597]	260	call .EnableOrDisableClearBdaDriveCount
[59]	261	mov si, g_MenupageForBootMenuSettingsMenu
	262	jmp Menupage_ChangeToNewMenupageInDSSI
[290]	263
	264
	265	;--------------------------------------------------------------------
[459]	266	; .EnableOrDisableScanForSerialDrives
[290]	267	; Parameters:
[580]	268	; AX: ROMVARS.wFlags
[290]	269	; SS:BP: Menu handle
	270	; Returns:
	271	; Nothing
	272	; Corrupts registers:
[580]	273	; BX
[290]	274	;--------------------------------------------------------------------
	275	ALIGN JUMP_ALIGN
[459]	276	.EnableOrDisableScanForSerialDrives:
	277	mov bx, g_MenuitemBootMenuSerialScanDetect
	278	test ax, FLG_ROMVARS_MODULE_SERIAL
	279	jmp SHORT .DisableMenuitemFromCSBXifZFset
[290]	280
	281
[459]	282	;--------------------------------------------------------------------
	283	; .EnableOrDisableDefaultBootDrive
	284	; Parameters:
[580]	285	; AX: ROMVARS.wFlags
[459]	286	; SS:BP: Menu handle
	287	; Returns:
	288	; Nothing
	289	; Corrupts registers:
[580]	290	; BX
[459]	291	;--------------------------------------------------------------------
	292	ALIGN JUMP_ALIGN
	293	.EnableOrDisableDefaultBootDrive:
	294	mov bx, g_MenuitemBootMnuStngsDefaultBootDrive
[580]	295	test ax, FLG_ROMVARS_MODULE_HOTKEYS \| FLG_ROMVARS_MODULE_BOOT_MENU
[459]	296	jmp SHORT .DisableMenuitemFromCSBXifZFset
[290]	297
	298
	299	;--------------------------------------------------------------------
[592]	300	; .EnableOrDisableColorThemeSelection
	301	; Parameters:
	302	; AX: ROMVARS.wFlags
	303	; SS:BP: Menu handle
	304	; Returns:
	305	; Nothing
	306	; Corrupts registers:
	307	; BX
	308	;--------------------------------------------------------------------
	309	ALIGN JUMP_ALIGN
	310	.EnableOrDisableColorThemeSelection:
	311	mov bx, g_MenuitemBootMnuStngsColorTheme
	312	test ax, FLG_ROMVARS_MODULE_BOOT_MENU
	313	jmp SHORT .DisableMenuitemFromCSBXifZFset
	314
	315
	316	;--------------------------------------------------------------------
[459]	317	; .EnableOrDisableBootMenuSelectionTimeout
[403]	318	; Parameters:
[580]	319	; AX: ROMVARS.wFlags
[403]	320	; SS:BP: Menu handle
	321	; Returns:
	322	; Nothing
	323	; Corrupts registers:
[580]	324	; BX
[403]	325	;--------------------------------------------------------------------
[459]	326	ALIGN JUMP_ALIGN
	327	.EnableOrDisableBootMenuSelectionTimeout:
	328	mov bx, g_MenuitemBootMnuStngsSelectionTimeout
	329	test ax, FLG_ROMVARS_MODULE_BOOT_MENU
[597]	330	jmp SHORT .DisableMenuitemFromCSBXifZFset
	331
	332
	333	;--------------------------------------------------------------------
	334	; .EnableOrDisableClearBdaDriveCount
	335	; Parameters:
	336	; AX: ROMVARS.wFlags
	337	; SS:BP: Menu handle
	338	; Returns:
	339	; Nothing
	340	; Corrupts registers:
	341	; BX
	342	;--------------------------------------------------------------------
	343	ALIGN JUMP_ALIGN
	344	.EnableOrDisableClearBdaDriveCount:
	345	mov bx, g_MenuitemBootMnuStngsClearBdaDriveCount
	346	call Buffers_IsXTbuildLoaded
[459]	347	.DisableMenuitemFromCSBXifZFset:
	348	jz SHORT .DisableMenuitemFromCSBX
	349	; Fall to .EnableMenuitemFromCSBX
[403]	350
[459]	351
	352	;--------------------------------------------------------------------
	353	; .EnableMenuitemFromCSBX
	354	; .DisableMenuitemFromCSBX
	355	; Parameters:
	356	; CS:BX: Ptr to MENUITEM
	357	; Returns:
	358	; Nothing
	359	; Corrupts registers:
	360	; Nothing
	361	;--------------------------------------------------------------------
	362	ALIGN JUMP_ALIGN
	363	.EnableMenuitemFromCSBX:
[567]	364	jmp EnableMenuitemFromCSBX
[403]	365
[459]	366	ALIGN JUMP_ALIGN
	367	.DisableMenuitemFromCSBX:
[567]	368	jmp DisableMenuitemFromCSBX
[403]	369
	370
	371	;--------------------------------------------------------------------
[592]	372	; ReadColorTheme
[290]	373	; Parameters:
[592]	374	; AX: Value read from the ROMVARS location
	375	; ES:DI: ROMVARS location where the value was just read from
	376	; DS:SI: MENUITEM pointer
[290]	377	; Returns:
[592]	378	; AX: Value that the MENUITEM system will interact with and display
[290]	379	; Corrupts registers:
[592]	380	; BX, DI, ES
	381	;--------------------------------------------------------------------
	382	ALIGN JUMP_ALIGN
	383	ReadColorTheme:
	384	push ds
	385
	386	push es ; ES -> DS
	387	pop ds
	388	push cs ; CS -> ES
	389	pop es
	390
	391	mov di, EndOfColorThemeTable-1 ; ES:DI now points to the end of the last theme in the table of available themes in XTIDECFG
	392	xor bx, bx
	393
	394	push si
	395	push cx
	396	mov cx, CountOfThemes
	397	std
	398	.NextTheme:
	399	push cx
	400	mov cl, ATTRIBUTE_CHARS_size
	401	mov si, ax ; [ROMVARS.pColorTheme] to SI
	402	dec si
	403	add si, cx ; DS:SI now points to the end of the ColorTheme in the loaded BIOS
	404	sub di, bx ; Update the pointer to the end of the next theme in the table
	405
	406	; We verify that the theme in the loaded BIOS exists in our table. If it doesn't exist then that most likely means
	407	; the loaded BIOS doesn't contain MODULE_BOOT_MENU and the theme actually isn't a theme - it's code. Either way,
	408	; we don't trust it enough to copy it over as corrupt/invalid settings could render the UI in XTIDECFG unreadable.
	409	repe cmpsb
	410	mov bx, cx
	411	pop cx
	412	loopne .NextTheme
	413	cld
	414	mov ax, cx
	415	jne SHORT .SkipCopy
	416
	417	; Copy the color theme fron the loaded BIOS overwriting XTIDECFG's own theme
	418	inc si
	419	mov di, ColorTheme ; ES:DI now points to ColorTheme in XTIDECFG
	420
	421	mov cl, ATTRIBUTE_CHARS_size
	422	call Memory_CopyCXbytesFromDSSItoESDI
	423
	424	.SkipCopy:
	425	pop cx
	426	pop si
	427	pop ds
	428	ret
	429
	430
	431	;--------------------------------------------------------------------
	432	; WriteColorTheme
	433	; Parameters:
	434	; AX: Value that the MENUITEM system was interacting with
	435	; ES:DI: ROMVARS location where the value is to be stored
	436	; DS:SI: MENUITEM pointer
	437	; Returns:
	438	; AX: Value to actually write to ROMVARS
	439	; Corrupts registers:
[290]	440	; Nothing
	441	;--------------------------------------------------------------------
	442	ALIGN JUMP_ALIGN
[592]	443	WriteColorTheme:
	444	push cx
	445	push si
	446	push di
	447
	448	mov cx, ATTRIBUTE_CHARS_size
	449	mul cl ; Multiply with the menu choice index
	450	mov si, ColorThemeTable
	451	add si, ax
	452	mov ax, [es:di] ; Fetch the ptr to ColorTheme
	453	mov di, ax
	454
	455	call Memory_CopyCXbytesFromDSSItoESDI
	456
	457	pop di
	458	pop si
	459	pop cx
[290]	460	ret
[592]	461

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