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MasterSlaveMenu.asm @ 592

Last change on this file since 592 was 592, checked in by krille_n_, 6 years ago

Changes:

The problem with NASM in the previous revision (r591) has been fixed.
The colors used by the boot menu and hotkey bar can now be customized by selecting one of a number of pre-defined color themes. Suggestions for additional themes are more than welcome!
Large builds are now 10 KB. Small builds are still 8 KB with the exception of the Tiny build which is now 4 KB. In other words, builds are now as small as possible to make it easier to combine them with other BIOSes.
Added code to the library to improve drive error handling. XTIDECFG can now handle "Drive Not Ready" errors.
Fixed a couple of potential bugs in AtaID.asm (AtaID_GetMaxPioModeToAXandMinCycleTimeToCX); 1) ATA1.bPioMode was treated as a WORD variable. 2) ATA2.bPIOSupp was assumed to be non-zero which would result in PIO mode 3 being returned if the assumption was wrong.
Made the same changes in the equivalent function used by BIOSDRVS (DisplayPioModeInformationUsingAtaInfoFromDSBX in AtaInfo.asm).
Fixed a bug from r587 in PDC20x30.asm in PDC20x30_GetMaxPioModeToALandMinPioCycleTimeToBX.
Fixed a bug from r523 in XTIDECFG where Auto Configure would only set the IRQ on one IDE interface on AT-builds.
XTIDECFG will now restore the default settings for the "Serial port virtual device" when reselecting it in the list of device types. This makes it behave consistently for all device types.
The eAAM macro is now used regardless if USE_UNDOC_INTEL is defined or not because it is apparently supported on all processors including the NEC V20/V30 CPUs.
Renamed the EXCLUDE_FROM_XTIDE_UNIVERSAL_BIOS define to EXCLUDE_FROM_XUB.
Added a define to exclude unused library code from BIOSDRVS (EXCLUDE_FROM_BIOSDRVS). This makes it a lot smaller than in previous revisions.
All unnecessary CLD-instructions are now under a new define 'CLD_NEEDED' which is only enabled for the BIOS. It is disabled for XTIDECFG and BIOSDRVS but can be enabled if needed by adding this define to the respective makefile. This change was made because these unnecessary instructions are wasteful and should never be needed. In fact, they only serve to hide bugs (in other peoples code) which I strongly believe should be avoided. I recommend people making their own BIOSes from source to not use this define as it's extremely unlikely to be needed.
Updated the copyright info in SerDrive and changed an URL to point to the new site.
Updated the copyright info and version number in BIOSDRVS.
Updated the copyright info in XTIDECFG.
Optimizations in general.

File size: 18.8 KB

Rev	Line
[57]	1	; Project name : XTIDE Universal BIOS Configurator v2
	2	; Description : "Master/Slave Drive" menu structs and functions.
	3
[376]	4	;
[526]	5	; XTIDE Universal BIOS and Associated Tools
	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.
[526]	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
[526]	16	; GNU General Public License for more details.
[376]	17	; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
[526]	18	;
[376]	19
[57]	20	; Section containing initialized data
	21	SECTION .data
	22
	23	ALIGN WORD_ALIGN
	24	g_MenupageForMasterSlaveMenu:
	25	istruc MENUPAGE
	26	at MENUPAGE.fnEnter, dw MasterSlaveMenu_EnterMenuOrModifyItemVisibility
[59]	27	at MENUPAGE.fnBack, dw IdeControllerMenu_EnterMenuOrModifyItemVisibility
[425]	28	at MENUPAGE.wMenuitems, dw 10
[57]	29	iend
	30
	31	g_MenuitemMasterSlaveBackToIdeControllerMenu:
	32	istruc MENUITEM
	33	at MENUITEM.fnActivate, dw IdeControllerMenu_EnterMenuOrModifyItemVisibility
	34	at MENUITEM.szName, dw g_szItemDrvBackToIde
	35	at MENUITEM.szQuickInfo, dw g_szItemDrvBackToIde
	36	at MENUITEM.szHelp, dw g_szItemDrvBackToIde
	37	at MENUITEM.bFlags, db FLG_MENUITEM_VISIBLE
	38	at MENUITEM.bType, db TYPE_MENUITEM_PAGEBACK
	39	iend
	40
	41	g_MenuitemMasterSlaveBlockModeTransfers:
	42	istruc MENUITEM
[108]	43	at MENUITEM.fnActivate, dw Menuitem_ActivateMultichoiceSelectionForMenuitemInDSSI
[59]	44	at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteLookupValueStringToBufferInESDIfromShiftedItemInDSSI
[57]	45	at MENUITEM.szName, dw g_szItemDrvBlockMode
	46	at MENUITEM.szQuickInfo, dw g_szNfoDrvBlockMode
	47	at MENUITEM.szHelp, dw g_szHelpDrvBlockMode
	48	at MENUITEM.bFlags, db FLG_MENUITEM_VISIBLE \| FLG_MENUITEM_FLAGVALUE
[108]	49	at MENUITEM.bType, db TYPE_MENUITEM_MULTICHOICE
[57]	50	at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL
	51	at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvBlockMode
[108]	52	at MENUITEM.itemValue + ITEM_VALUE.szMultichoice, dw g_szMultichoiceBooleanFlag
[57]	53	at MENUITEM.itemValue + ITEM_VALUE.rgszValueToStringLookup, dw g_rgszValueToStringLookupForFlagBooleans
	54	at MENUITEM.itemValue + ITEM_VALUE.wValueBitmask, dw FLG_DRVPARAMS_BLOCKMODE
	55	iend
	56
[425]	57	g_MenuitemMasterSlaveChsTranslateMode:
	58	istruc MENUITEM
	59	at MENUITEM.fnActivate, dw Menuitem_ActivateMultichoiceSelectionForMenuitemInDSSI
	60	at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteLookupValueStringToBufferInESDIfromUnshiftedItemInDSSI
	61	at MENUITEM.szName, dw g_szItemDrvXlateMode
	62	at MENUITEM.szQuickInfo, dw g_szNfoDrvXlateMode
	63	at MENUITEM.szHelp, dw g_szNfoDrvXlateMode
	64	at MENUITEM.bFlags, db FLG_MENUITEM_VISIBLE \| FLG_MENUITEM_MASKVALUE
	65	at MENUITEM.bType, db TYPE_MENUITEM_MULTICHOICE
	66	at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL
	67	at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvXlateMode
	68	at MENUITEM.itemValue + ITEM_VALUE.szMultichoice, dw g_szMultichoiseXlateMode
	69	at MENUITEM.itemValue + ITEM_VALUE.rgwChoiceToValueLookup, dw g_rgwChoiceToValueLookupForXlateMode
	70	at MENUITEM.itemValue + ITEM_VALUE.rgszChoiceToStringLookup, dw g_rgszChoiceToStringLookupForXlateMode
	71	at MENUITEM.itemValue + ITEM_VALUE.wValueBitmask, dw MASK_DRVPARAMS_TRANSLATEMODE
	72	at MENUITEM.itemValue + ITEM_VALUE.bFieldPosition, db TRANSLATEMODE_FIELD_POSITION
	73	iend
	74
[286]	75	g_MenuitemMasterSlaveWriteCache:
	76	istruc MENUITEM
	77	at MENUITEM.fnActivate, dw Menuitem_ActivateMultichoiceSelectionForMenuitemInDSSI
	78	at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteLookupValueStringToBufferInESDIfromUnshiftedItemInDSSI
	79	at MENUITEM.szName, dw g_szItemDrvWriteCache
	80	at MENUITEM.szQuickInfo, dw g_szNfoDrvWriteCache
	81	at MENUITEM.szHelp, dw g_szHelpDrvWriteCache
	82	at MENUITEM.bFlags, db FLG_MENUITEM_VISIBLE \| FLG_MENUITEM_MASKVALUE
	83	at MENUITEM.bType, db TYPE_MENUITEM_MULTICHOICE
	84	at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL
	85	at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvWriteCache
	86	at MENUITEM.itemValue + ITEM_VALUE.szMultichoice, dw g_szMultichoiseWrCache
	87	at MENUITEM.itemValue + ITEM_VALUE.rgwChoiceToValueLookup, dw g_rgwChoiceToValueLookupForWriteCache
	88	at MENUITEM.itemValue + ITEM_VALUE.rgszChoiceToStringLookup, dw g_rgszChoiceToStringLookupForWriteCache
	89	at MENUITEM.itemValue + ITEM_VALUE.wValueBitmask, dw MASK_DRVPARAMS_WRITECACHE
[425]	90	at MENUITEM.itemValue + ITEM_VALUE.bFieldPosition, db 0
[286]	91	iend
	92
[57]	93	g_MenuitemMasterSlaveUserCHS:
	94	istruc MENUITEM
[108]	95	at MENUITEM.fnActivate, dw Menuitem_ActivateMultichoiceSelectionForMenuitemInDSSI
[59]	96	at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteLookupValueStringToBufferInESDIfromShiftedItemInDSSI
[57]	97	at MENUITEM.szName, dw g_szItemDrvUserCHS
	98	at MENUITEM.szQuickInfo, dw g_szNfoDrvUserCHS
	99	at MENUITEM.szHelp, dw g_szHelpDrvUserCHS
	100	at MENUITEM.bFlags, db FLG_MENUITEM_VISIBLE \| FLG_MENUITEM_MODIFY_MENU \| FLG_MENUITEM_FLAGVALUE
[108]	101	at MENUITEM.bType, db TYPE_MENUITEM_MULTICHOICE
[57]	102	at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL
	103	at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvUserCHS
[108]	104	at MENUITEM.itemValue + ITEM_VALUE.szMultichoice, dw g_szMultichoiceBooleanFlag
[57]	105	at MENUITEM.itemValue + ITEM_VALUE.rgszValueToStringLookup, dw g_rgszValueToStringLookupForFlagBooleans
	106	at MENUITEM.itemValue + ITEM_VALUE.wValueBitmask, dw FLG_DRVPARAMS_USERCHS
[526]	107	at MENUITEM.itemValue + ITEM_VALUE.fnValueWriter, dw MasterSlaveMenu_WriteCHSFlag
[57]	108	iend
	109
	110	g_MenuitemMasterSlaveCylinders:
	111	istruc MENUITEM
	112	at MENUITEM.fnActivate, dw Menuitem_ActivateUnsignedInputForMenuitemInDSSI
	113	at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteUnsignedValueStringToBufferInESDIfromItemInDSSI
	114	at MENUITEM.szName, dw g_szItemDrvCyls
	115	at MENUITEM.szQuickInfo, dw g_szNfoDrvCyls
	116	at MENUITEM.szHelp, dw g_szNfoDrvCyls
	117	at MENUITEM.bFlags, db NULL
	118	at MENUITEM.bType, db TYPE_MENUITEM_UNSIGNED
	119	at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL
	120	at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvCyls
	121	at MENUITEM.itemValue + ITEM_VALUE.wMinValue, dw 1
[548]	122	at MENUITEM.itemValue + ITEM_VALUE.wMaxValue, dw MAX_PCHS_CYLINDERS
	123	%define MASTERSLAVE_CYLINDERS_DEFAULT 1024 ; Max L-CHS Cylinders
[57]	124	iend
	125
	126	g_MenuitemMasterSlaveHeads:
	127	istruc MENUITEM
	128	at MENUITEM.fnActivate, dw Menuitem_ActivateUnsignedInputForMenuitemInDSSI
	129	at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteUnsignedValueStringToBufferInESDIfromItemInDSSI
	130	at MENUITEM.szName, dw g_szItemDrvHeads
	131	at MENUITEM.szQuickInfo, dw g_szNfoDrvHeads
	132	at MENUITEM.szHelp, dw g_szNfoDrvHeads
	133	at MENUITEM.bFlags, db FLG_MENUITEM_BYTEVALUE
	134	at MENUITEM.bType, db TYPE_MENUITEM_UNSIGNED
	135	at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL
	136	at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvHeads
	137	at MENUITEM.itemValue + ITEM_VALUE.wMinValue, dw 1
[548]	138	at MENUITEM.itemValue + ITEM_VALUE.wMaxValue, dw MAX_PCHS_HEADS
	139	%define MASTERSLAVE_HEADS_DEFAULT MAX_PCHS_HEADS
[57]	140	iend
	141
	142	g_MenuitemMasterSlaveSectors:
	143	istruc MENUITEM
	144	at MENUITEM.fnActivate, dw Menuitem_ActivateUnsignedInputForMenuitemInDSSI
	145	at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteUnsignedValueStringToBufferInESDIfromItemInDSSI
	146	at MENUITEM.szName, dw g_szItemDrvSect
	147	at MENUITEM.szQuickInfo, dw g_szNfoDrvSect
	148	at MENUITEM.szHelp, dw g_szNfoDrvSect
	149	at MENUITEM.bFlags, db FLG_MENUITEM_BYTEVALUE
	150	at MENUITEM.bType, db TYPE_MENUITEM_UNSIGNED
	151	at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL
	152	at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvSect
	153	at MENUITEM.itemValue + ITEM_VALUE.wMinValue, dw 1
[548]	154	at MENUITEM.itemValue + ITEM_VALUE.wMaxValue, dw MAX_PCHS_SECTORS_PER_TRACK
	155	%define MASTERSLAVE_SECTORS_DEFAULT MAX_PCHS_SECTORS_PER_TRACK
[57]	156	iend
	157
[286]	158	g_MenuitemMasterSlaveUserLBA:
	159	istruc MENUITEM
	160	at MENUITEM.fnActivate, dw Menuitem_ActivateMultichoiceSelectionForMenuitemInDSSI
	161	at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteLookupValueStringToBufferInESDIfromShiftedItemInDSSI
	162	at MENUITEM.szName, dw g_szItemDrvUserLBA
	163	at MENUITEM.szQuickInfo, dw g_szNfoDrvUserLBA
	164	at MENUITEM.szHelp, dw g_szHelpDrvUserLBA
	165	at MENUITEM.bFlags, db FLG_MENUITEM_VISIBLE \| FLG_MENUITEM_MODIFY_MENU \| FLG_MENUITEM_FLAGVALUE
	166	at MENUITEM.bType, db TYPE_MENUITEM_MULTICHOICE
	167	at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL
	168	at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvUserLBA
	169	at MENUITEM.itemValue + ITEM_VALUE.szMultichoice, dw g_szMultichoiceBooleanFlag
	170	at MENUITEM.itemValue + ITEM_VALUE.rgszValueToStringLookup, dw g_rgszValueToStringLookupForFlagBooleans
	171	at MENUITEM.itemValue + ITEM_VALUE.wValueBitmask, dw FLG_DRVPARAMS_USERLBA
[526]	172	at MENUITEM.itemValue + ITEM_VALUE.fnValueWriter, dw MasterSlaveMenu_WriteLBAFlag
[286]	173	iend
[57]	174
[286]	175	g_MenuitemMasterSlaveUserLbaValue:
	176	istruc MENUITEM
	177	at MENUITEM.fnActivate, dw Menuitem_ActivateUnsignedInputForMenuitemInDSSI
	178	at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteUnsignedValueStringToBufferInESDIfromItemInDSSI
	179	at MENUITEM.szName, dw g_szItemDrvLbaSectors
	180	at MENUITEM.szQuickInfo, dw g_szNfoDrvLbaSectors
	181	at MENUITEM.szHelp, dw g_szNfoDrvLbaSectors
	182	at MENUITEM.bFlags, db NULL
	183	at MENUITEM.bType, db TYPE_MENUITEM_UNSIGNED
	184	at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL
	185	at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvLbaSectors
[548]	186	at MENUITEM.itemValue + ITEM_VALUE.wMinValue, dw 16 ; 8 GiB (but a little more than L-CHS limit)
[286]	187	at MENUITEM.itemValue + ITEM_VALUE.wMaxValue, dw 10000000h / (1024 * 1024) ; Limit to 28-bit LBA
	188	at MENUITEM.itemValue + ITEM_VALUE.fnValueReader, dw ValueReaderForUserLbaValue
	189	at MENUITEM.itemValue + ITEM_VALUE.fnValueWriter, dw ValueWriterForUserLbaValue
[548]	190	%define MASTERSLAVE_USERLBA_DEFAULT 64 ; 32 GiB (max supported by Win95)
[286]	191	iend
	192
	193
	194	g_rgwChoiceToValueLookupForWriteCache:
	195	dw DEFAULT_WRITE_CACHE
	196	dw DISABLE_WRITE_CACHE
	197	dw ENABLE_WRITE_CACHE
	198	g_rgszChoiceToStringLookupForWriteCache:
	199	dw g_szValueBootDispModeDefault
	200	dw g_szValueDrvWrCaDis
	201	dw g_szValueDrvWrCaEn
	202
[425]	203	g_rgwChoiceToValueLookupForXlateMode:
	204	dw TRANSLATEMODE_NORMAL
	205	dw TRANSLATEMODE_LARGE
	206	dw TRANSLATEMODE_ASSISTED_LBA
	207	dw TRANSLATEMODE_AUTO
	208	g_rgszChoiceToStringLookupForXlateMode:
	209	dw g_szValueDrvXlateNormal
	210	dw g_szValueDrvXlateLarge
	211	dw g_szValueDrvXlateLBA
	212	dw g_szValueDrvXlateAuto
	213
	214
[57]	215	; Section containing code
	216	SECTION .text
	217
	218	;--------------------------------------------------------------------
	219	; MasterSlaveMenu_InitializeToDrvparamsOffsetInBX
	220	; Parameters:
	221	; SS:BP: Menu handle
	222	; Returns:
	223	; Nothing
	224	; Corrupts registers:
	225	; AX
	226	;--------------------------------------------------------------------
	227	ALIGN JUMP_ALIGN
	228	MasterSlaveMenu_InitializeToDrvparamsOffsetInBX:
[592]	229	push ds
	230
	231	push cs
	232	pop ds
	233
	234	%ifndef CHECK_FOR_UNUSED_ENTRYPOINTS
	235	%if DRVPARAMS.wFlags = 0
	236	mov ax, bx
	237	%else
[57]	238	lea ax, [bx+DRVPARAMS.wFlags]
[592]	239	%endif
	240	%endif
	241	mov [g_MenuitemMasterSlaveBlockModeTransfers+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax
	242	mov [g_MenuitemMasterSlaveChsTranslateMode+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax
	243	mov [g_MenuitemMasterSlaveWriteCache+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax
	244	mov [g_MenuitemMasterSlaveUserCHS+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax
	245	mov [g_MenuitemMasterSlaveUserLBA+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax
[57]	246
	247	lea ax, [bx+DRVPARAMS.wCylinders]
[592]	248	mov [g_MenuitemMasterSlaveCylinders+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax
[57]	249
	250	lea ax, [bx+DRVPARAMS.bHeads]
[592]	251	mov [g_MenuitemMasterSlaveHeads+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax
[57]	252
	253	lea ax, [bx+DRVPARAMS.bSect]
[592]	254	mov [g_MenuitemMasterSlaveSectors+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax
[286]	255
	256	lea ax, [bx+DRVPARAMS.dwMaximumLBA]
[592]	257	mov [g_MenuitemMasterSlaveUserLbaValue+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax
	258
	259	pop ds
[57]	260	ret
	261
	262
	263	;--------------------------------------------------------------------
	264	; MasterSlaveMenu_EnterMenuOrModifyItemVisibility
	265	; Parameters:
	266	; SS:BP: Menu handle
	267	; Returns:
	268	; Nothing
	269	; Corrupts registers:
	270	; All, except BP
	271	;--------------------------------------------------------------------
	272	ALIGN JUMP_ALIGN
	273	MasterSlaveMenu_EnterMenuOrModifyItemVisibility:
	274	push cs
	275	pop ds
[286]	276	call .EnableOrDisableUserCHSandLBA
[57]	277	call .EnableOrDisableCHandS
[286]	278	call .EnableOrDisableUserLbaValue
[57]	279	mov si, g_MenupageForMasterSlaveMenu
	280	jmp Menupage_ChangeToNewMenupageInDSSI
	281
[286]	282
[57]	283	;--------------------------------------------------------------------
[286]	284	; .EnableOrDisableUserCHSandLBA
	285	; Parameters:
	286	; SS:BP: Menu handle
	287	; Returns:
	288	; Nothing
	289	; Corrupts registers:
	290	; AX, BX
	291	;--------------------------------------------------------------------
	292	ALIGN JUMP_ALIGN
	293	.EnableOrDisableUserCHSandLBA:
	294	mov bx, [g_MenuitemMasterSlaveUserLBA+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset]
	295	call Buffers_GetRomvarsValueToAXfromOffsetInBX
[592]	296	test al, FLG_DRVPARAMS_USERLBA
[286]	297	jnz SHORT .DisableCHSandEnableLBA
[592]	298	test al, FLG_DRVPARAMS_USERCHS
[286]	299	jnz SHORT .EnableCHSandDisableLBA
	300
	301	; Enable both
	302	mov bx, g_MenuitemMasterSlaveUserCHS
[567]	303	call EnableMenuitemFromCSBX
[286]	304	mov bx, g_MenuitemMasterSlaveUserLBA
[567]	305	jmp SHORT .EnableMenuitemFromCSBX
[286]	306
	307	ALIGN JUMP_ALIGN
	308	.EnableCHSandDisableLBA:
	309	mov bx, g_MenuitemMasterSlaveUserCHS
[567]	310	call EnableMenuitemFromCSBX
[286]	311	mov bx, g_MenuitemMasterSlaveUserLBA
[567]	312	jmp SHORT .DisableMenuitemFromCSBX
[286]	313
	314	ALIGN JUMP_ALIGN
	315	.DisableCHSandEnableLBA:
	316	mov bx, g_MenuitemMasterSlaveUserLBA
[567]	317	call EnableMenuitemFromCSBX
[286]	318	mov bx, g_MenuitemMasterSlaveUserCHS
[567]	319	jmp SHORT .DisableMenuitemFromCSBX
[286]	320
	321
	322	;--------------------------------------------------------------------
[57]	323	; .EnableOrDisableCHandS
	324	; Parameters:
	325	; SS:BP: Menu handle
	326	; Returns:
	327	; Nothing
	328	; Corrupts registers:
	329	; AX, BX
	330	;--------------------------------------------------------------------
	331	ALIGN JUMP_ALIGN
	332	.EnableOrDisableCHandS:
[592]	333	mov bx, [g_MenuitemMasterSlaveUserCHS+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset]
[57]	334	call Buffers_GetRomvarsValueToAXfromOffsetInBX
[592]	335	test al, FLG_DRVPARAMS_USERCHS
[57]	336	jz SHORT .DisableCHandS
[592]	337	test al, FLG_DRVPARAMS_USERLBA
[286]	338	jnz SHORT .DisableCHandS
[57]	339
	340	mov bx, g_MenuitemMasterSlaveCylinders
[567]	341	call EnableMenuitemFromCSBX
[57]	342	mov bx, g_MenuitemMasterSlaveHeads
[567]	343	call EnableMenuitemFromCSBX
[57]	344	mov bx, g_MenuitemMasterSlaveSectors
[286]	345	jmp SHORT .EnableMenuitemFromCSBX
[57]	346
	347	ALIGN JUMP_ALIGN
	348	.DisableCHandS:
	349	mov bx, g_MenuitemMasterSlaveCylinders
[567]	350	call DisableMenuitemFromCSBX
[57]	351	mov bx, g_MenuitemMasterSlaveHeads
[567]	352	call DisableMenuitemFromCSBX
[57]	353	mov bx, g_MenuitemMasterSlaveSectors
[286]	354	jmp SHORT .DisableMenuitemFromCSBX
[57]	355
[286]	356
[57]	357	;--------------------------------------------------------------------
[286]	358	; .EnableOrDisableUserLbaValue
	359	; Parameters:
	360	; SS:BP: Menu handle
	361	; Returns:
	362	; Nothing
	363	; Corrupts registers:
	364	; AX, BX
	365	;--------------------------------------------------------------------
	366	ALIGN JUMP_ALIGN
	367	.EnableOrDisableUserLbaValue:
[592]	368	mov bx, [g_MenuitemMasterSlaveUserLBA+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset]
[286]	369	call Buffers_GetRomvarsValueToAXfromOffsetInBX
	370	mov bx, g_MenuitemMasterSlaveUserLbaValue
[592]	371	test al, FLG_DRVPARAMS_USERCHS
[286]	372	jnz SHORT .DisableMenuitemFromCSBX
[592]	373	test al, FLG_DRVPARAMS_USERLBA
[286]	374	jz SHORT .DisableMenuitemFromCSBX
[293]	375	; Fall to .EnableMenuitemFromCSBX
[286]	376
	377
	378	;--------------------------------------------------------------------
[57]	379	; .EnableMenuitemFromCSBX
	380	; .DisableMenuitemFromCSBX
	381	; Parameters:
	382	; CS:BX: Ptr to MENUITEM
	383	; Returns:
	384	; Nothing
	385	; Corrupts registers:
	386	; Nothing
	387	;--------------------------------------------------------------------
	388	ALIGN JUMP_ALIGN
	389	.EnableMenuitemFromCSBX:
[567]	390	jmp EnableMenuitemFromCSBX
[57]	391
	392	ALIGN JUMP_ALIGN
	393	.DisableMenuitemFromCSBX:
[567]	394	jmp DisableMenuitemFromCSBX
[286]	395
	396
	397	;--------------------------------------------------------------------
	398	; MENUITEM value reader functions
	399	; Parameters:
	400	; AX: Value from MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset
	401	; DS:SI: Ptr to MENUITEM
	402	; ES:DI: Ptr to value variable
	403	; Returns:
	404	; AX: Value with possible modifications
	405	; Corrupts registers:
	406	; Nothing
	407	;--------------------------------------------------------------------
	408	ALIGN JUMP_ALIGN
	409	ValueReaderForUserLbaValue:
[345]	410	push dx
	411
[583]	412	mov ax, 1
	413	cwd ; DX:AX = 1
	414	add ax, [es:di]
	415	adc dx, [es:di+2] ; User defined LBA28 limit added
[345]	416
	417	xchg ax, dx ; SHR 16
[567]	418	eSHR_IM ax, 4 ; SHR 4 => AX = DX:AX / (1024*1024)
[345]	419
	420	pop dx
[286]	421	ret
	422
	423
	424	;--------------------------------------------------------------------
	425	; MENUITEM value writer functions
	426	; Parameters:
	427	; AX: Value to be written to MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset
	428	; DS:SI: Ptr to MENUITEM
	429	; ES:DI: Ptr to value variable
	430	; Returns:
	431	; AX: Value to be stored
	432	; Corrupts registers:
	433	; Nothing
	434	;--------------------------------------------------------------------
	435	ALIGN JUMP_ALIGN
	436	ValueWriterForUserLbaValue:
[345]	437	push dx
	438
	439	xor dx, dx
[567]	440	eSHL_IM ax, 4
[345]	441	xchg dx, ax ; DX:AX now holds AX * 1024 * 1024
	442
	443	sub ax, BYTE 1 ; Decrement DX:AX by one
	444	sbb dx, BYTE 0 ; (necessary since maximum LBA28 sector count is 0FFF FFFFh)
	445
	446	mov [es:di+2], dx ; Store DX by ourselves
	447	pop dx
	448	ret ; AX will be stored by our menu system
[369]	449
	450	;
	451	; No change to CHS flag, but we use this opportunity to change defaults stored in the CHS values if we are
	452	; changing in/out of user CHS settings (since we use these bytes in different ways with the LBA setting).
	453	;
[526]	454	ALIGN JUMP_ALIGN
[369]	455	MasterSlaveMenu_WriteCHSFlag:
[592]	456	test BYTE [es:di], FLG_DRVPARAMS_USERCHS
	457	jnz SHORT .AlreadySet
[369]	458
[567]	459	push ax
	460	push di
	461	push si
[369]	462
[567]	463	mov ax, MASTERSLAVE_CYLINDERS_DEFAULT
	464	mov si, g_MenuitemMasterSlaveCylinders
	465	call Menuitem_StoreValueFromAXtoMenuitemInDSSI
[526]	466
[567]	467	mov ax, MASTERSLAVE_HEADS_DEFAULT
	468	mov si, g_MenuitemMasterSlaveHeads
	469	call Menuitem_StoreValueFromAXtoMenuitemInDSSI
[369]	470
[567]	471	mov ax, MASTERSLAVE_SECTORS_DEFAULT
	472	mov si, g_MenuitemMasterSlaveSectors
	473	call Menuitem_StoreValueFromAXtoMenuitemInDSSI
[526]	474
[567]	475	pop si
	476	pop di
	477	pop ax
[369]	478
[592]	479	.AlreadySet:
[567]	480	ret
[369]	481
	482	;
	483	; No change to LBA flag, but we use this opportunity to change defaults stored in the LBA value if we are
	484	; changing in/out of user LBA settings (since we use these bytes in different ways with the CHS setting).
	485	;
[526]	486	ALIGN JUMP_ALIGN
[369]	487	MasterSlaveMenu_WriteLBAFlag:
[592]	488	test BYTE [es:di], FLG_DRVPARAMS_USERLBA
	489	jnz SHORT .AlreadySet
[369]	490
[567]	491	push ax
	492	push di
	493	push si
[369]	494
[567]	495	mov ax, MASTERSLAVE_USERLBA_DEFAULT
	496	mov si, g_MenuitemMasterSlaveUserLbaValue
	497	call Menuitem_StoreValueFromAXtoMenuitemInDSSI
[369]	498
[567]	499	pop si
	500	pop di
	501	pop ax
[526]	502
[592]	503	.AlreadySet:
[567]	504	ret
[592]	505

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source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS_Configurator_v2/Src/Menupages/MasterSlaveMenu.asm @ 592

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