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source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Menus/HotkeyBar.asm@ 557

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Last change on this file since 557 was 547, checked in by aitotat@…, 12 years ago

Changes to XTIDE Universal BIOS:

Hotkeys were incorrectly initialized to use 'C' as first hard drive letter.
All CHS translate modes should again work (incorrectly decremented DX instead of DL, it might or might not have caused problems).

File size: 13.4 KB

Rev	Line
[392]	1	; Project name : XTIDE Universal BIOS
	2	; Description : Hotkey Bar related functions.
	3
	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.
[392]	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	;
[392]	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.
[399]	17	; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
	18	;
[392]	19
	20	; Section containing code
	21	SECTION .text
	22
	23	;--------------------------------------------------------------------
[528]	24	; Scans key presses and draws any hotkey changes.
	25	;
[392]	26	; HotkeyBar_UpdateDuringDriveDetection
	27	; Parameters:
	28	; DS: RAMVARS segment
	29	; ES: BDA segment (zero)
	30	; Returns:
	31	; Nothing
	32	; Corrupts registers:
	33	; AX, CX, DX, SI, DI
	34	;--------------------------------------------------------------------
	35	HotkeyBar_UpdateDuringDriveDetection:
[528]	36	call ScanHotkeysFromKeyBufferAndStoreToBootvars
[392]	37	; Fall to HotkeyBar_DrawToTopOfScreen
[505]	38
	39
[392]	40	;--------------------------------------------------------------------
	41	; HotkeyBar_DrawToTopOfScreen
	42	; Parameters:
	43	; DS: RAMVARS segment
	44	; ES: BDA segment (zero)
	45	; Returns:
	46	; Nothing
	47	; Corrupts registers:
	48	; AX, CX, DX, SI, DI
	49	;--------------------------------------------------------------------
	50	HotkeyBar_DrawToTopOfScreen:
	51	; Store current screen coordinates to be restored
	52	; when Hotkey Bar is rendered
	53	call DetectPrint_GetSoftwareCoordinatesToAX
	54	push ax
	55
	56	call MoveCursorToScreenTopLeftCorner
	57	; Fall to .PrintFloppyDriveHotkeys
	58
	59	;--------------------------------------------------------------------
	60	; .PrintFloppyDriveHotkeys
	61	; Parameters:
	62	; DS: RAMVARS segment
	63	; ES: BDA segment (zero)
	64	; Returns:
	65	; Nothing
	66	; Corrupts registers:
	67	; AX, CX, DX, SI, DI
	68	;--------------------------------------------------------------------
	69	.PrintFloppyDriveHotkeys:
	70	call FloppyDrive_GetCountToAX
	71	test ax, ax ; Any Floppy Drives?
	72	jz SHORT .SkipFloppyDriveHotkeys
	73
[492]	74	mov ax, (ANGLE_QUOTE_RIGHT << 8) \| DEFAULT_FLOPPY_DRIVE_LETTER
[500]	75	mov cl, [es:BOOTVARS.hotkeyVars+HOTKEYVARS.bFddLetter]
[492]	76	mov di, g_szFDD
[392]	77	call FormatDriveHotkeyString
	78
	79	.SkipFloppyDriveHotkeys:
	80	; Fall to .PrintHardDriveHotkeys
	81
	82	;--------------------------------------------------------------------
	83	; .PrintHardDriveHotkeys
	84	; Parameters:
	85	; DS: RAMVARS segment
	86	; ES: BDA segment (zero)
	87	; Returns:
	88	; Nothing
	89	; Corrupts registers:
	90	; AX, CX, DX, SI, DI
	91	;--------------------------------------------------------------------
[547]	92	call BootVars_GetLetterForFirstHardDriveToAX
[392]	93	mov ah, ANGLE_QUOTE_RIGHT
[500]	94	mov cl, [es:BOOTVARS.hotkeyVars+HOTKEYVARS.bHddLetter]
[492]	95	mov di, g_szHDD
[392]	96	call FormatDriveHotkeyString
	97	; Fall to .PrintBootMenuHotkey
	98
	99	;--------------------------------------------------------------------
	100	; .PrintBootMenuHotkey
	101	; Parameters:
	102	; ES: BDA segment (zero)
	103	; Returns:
	104	; Nothing
	105	; Corrupts registers:
	106	; AX, CX, DX, SI, DI
	107	;--------------------------------------------------------------------
	108	.PrintBootMenuHotkey:
	109	%ifdef MODULE_BOOT_MENU
[492]	110	mov ax, BOOT_MENU_HOTKEY_SCANCODE \| ('2' << 8)
	111	mov di, g_szBootMenu
[392]	112	call FormatFunctionHotkeyString
	113	%endif
[492]	114	; Fall to .PrintComDetectHotkey
[392]	115
	116	;--------------------------------------------------------------------
[492]	117	; .PrintComDetectHotkey
	118	; Parameters:
	119	; ES: BDA segment (zero)
	120	; Returns:
	121	; Nothing
	122	; Corrupts registers:
	123	; AX, CX, DX, SI, DI
	124	;--------------------------------------------------------------------
	125	.PrintComDetectHotkey:
	126	%ifdef MODULE_SERIAL
	127	mov ax, COM_DETECT_HOTKEY_SCANCODE \| ('6' << 8)
	128	mov di, g_szHotComDetect
	129	call FormatFunctionHotkeyString
	130	%endif
[505]	131	; Fall to .PrintRomBootHotkey
[492]	132
	133	;--------------------------------------------------------------------
[392]	134	; .PrintRomBootHotkey
	135	; Parameters:
	136	; ES: BDA segment (zero)
	137	; Returns:
	138	; Nothing
	139	; Corrupts registers:
	140	; AX, CX, DX, SI, DI
	141	;--------------------------------------------------------------------
	142	.PrintRomBootHotkey:
[492]	143	mov ax, ROM_BOOT_HOTKEY_SCANCODE \| ('8' << 8)
	144	mov di, g_szRomBoot
[392]	145	call FormatFunctionHotkeyString
	146	; Fall to .EndHotkeyBarRendering
	147
	148	;--------------------------------------------------------------------
	149	; .EndHotkeyBarRendering
	150	; Parameters:
	151	; Stack: Screen coordinates before drawing Hotkey Bar
	152	; Returns:
	153	; Nothing
	154	; Corrupts registers:
	155	; AX, CX, DI
	156	;--------------------------------------------------------------------
	157	.EndHotkeyBarRendering:
	158	call HotkeyBar_ClearRestOfTopRow
	159	pop ax
	160	jmp SHORT HotkeyBar_RestoreCursorCoordinatesFromAX
	161
	162
	163	;--------------------------------------------------------------------
	164	; HotkeyBar_ClearRestOfTopRow
	165	; Parameters:
	166	; Nothing
	167	; Returns:
	168	; Nothing
	169	; Corrupts registers:
	170	; AX, CX, DI
	171	;--------------------------------------------------------------------
	172	HotkeyBar_ClearRestOfTopRow:
[505]	173	CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH
[392]	174	eMOVZX cx, al
[505]	175	CALL_DISPLAY_LIBRARY GetSoftwareCoordinatesToAX
[392]	176	sub cl, al
	177	mov al, ' '
[505]	178	JMP_DISPLAY_LIBRARY PrintRepeatedCharacterFromALwithCountInCX
[392]	179
	180
	181	;--------------------------------------------------------------------
	182	; FormatDriveHotkeyString
	183	; Parameters:
	184	; CL: Drive letter hotkey from BOOTVARS
[492]	185	; AL: First character for drive key string
	186	; AH: Second character for drive key string (ANGLE_QUOTE_RIGHT)
[392]	187	; SI: Offset to hotkey description string
	188	; ES: BDA segment (zero)
	189	; Returns:
	190	; Nothing
	191	; Corrupts registers:
	192	; AX, CX, DX, SI, DI
	193	;--------------------------------------------------------------------
[492]	194	;; No work to do before going into FormatFunctionHotkeyString
	195	FormatDriveHotkeyString equ GetNonSelectedHotkeyDescriptionAttributeToDX
[392]	196
	197	;--------------------------------------------------------------------
	198	; FormatFunctionHotkeyString
	199	; Parameters:
[492]	200	; AL: Scancode of function key, to know which if any to show as selected
	201	; Later replaced with an 'F' for the call to the output routine
	202	; AH: Second character for drive key string
[392]	203	; SI: Offset to hotkey description string
	204	; ES: BDA segment (zero)
	205	; Returns:
	206	; Nothing
	207	; Corrupts registers:
	208	; AX, CX, DX, SI, DI
	209	;--------------------------------------------------------------------
	210	FormatFunctionHotkeyString:
[492]	211	xor cx, cx ; Null character, eaten in output routines
[392]	212
[492]	213	cmp [es:BOOTVARS.hotkeyVars+HOTKEYVARS.bScancode], al
	214	mov al, 'F' ; Replace scancode with character for output
[392]	215
	216	%ifdef MODULE_BOOT_MENU
[492]	217
[392]	218	mov si, ATTRIBUTE_CHARS.cHurryTimeout ; Selected hotkey
[505]	219	je SHORT GetDescriptionAttributeToDX ; From compare with bScancode above
[392]	220
	221	GetNonSelectedHotkeyDescriptionAttributeToDX:
	222	mov si, ATTRIBUTE_CHARS.cHighlightedItem ; Unselected hotkey
	223
	224	; Display Library should not be called like this
	225	GetDescriptionAttributeToDX:
[492]	226	xchg dx, ax
[392]	227	call MenuAttribute_GetToAXfromTypeInSI
	228	xchg dx, ax ; DX = Description attribute
[505]	229	;; fall through to PushHotkeyParamsAndFormat
[392]	230
	231
[500]	232	%else ; if no MODULE_BOOT_MENU - No boot menu so use simpler attributes
	233
[410]	234	mov dx, (COLOR_ATTRIBUTE(COLOR_YELLOW, COLOR_CYAN) << 8) \| MONO_REVERSE_BLINK
[505]	235	je SHORT SelectAttributeFromDHorDLbasedOnVideoMode ; From compare with bScancode above
[392]	236
	237	GetNonSelectedHotkeyDescriptionAttributeToDX:
[410]	238	mov dx, (COLOR_ATTRIBUTE(COLOR_BLACK, COLOR_CYAN) << 8) \| MONO_REVERSE
[492]	239
[410]	240	SelectAttributeFromDHorDLbasedOnVideoMode:
[500]	241	mov ch, [es:BDA.bVidMode] ; We only need to preserve CL
	242	shr ch, 1
[410]	243	jnc SHORT .AttributeLoadedToDL ; Black & White modes
[500]	244	shr ch, 1
[410]	245	jnz SHORT .AttributeLoadedToDL ; MDA
	246	mov dl, dh
	247	.AttributeLoadedToDL:
[505]	248	;; fall through to PushHotkeyParamsAndFormat
[410]	249
[492]	250	%endif ; MODULE_BOOT_MENU
[392]	251
	252
	253	;--------------------------------------------------------------------
	254	; PushHotkeyParamsAndFormat
	255	; Parameters:
[500]	256	; AL: First character
	257	; AH: Second character
[392]	258	; DX: Description Attribute
	259	; CX: Description string parameter
[492]	260	; CS:DI: Description string
[392]	261	; Returns:
	262	; Nothing
	263	; Corrupts registers:
	264	; AX, SI, DI
	265	;--------------------------------------------------------------------
	266	PushHotkeyParamsAndFormat:
	267	push bp
	268	mov bp, sp
	269
[492]	270	mov si, MONO_BRIGHT
[392]	271
[492]	272	push si ; Key attribute
	273	push ax ; First Character
	274	mov al, ah
	275	push ax ; Second Character
	276
[392]	277	push dx ; Description attribute
[492]	278	push di ; Description string
[392]	279	push cx ; Description string parameter
[505]	280
[492]	281	push si ; Key attribute for last space
[392]	282
	283	mov si, g_szHotkey
	284	jmp DetectPrint_FormatCSSIfromParamsInSSBP
	285
	286
	287	;--------------------------------------------------------------------
	288	; MoveCursorToScreenTopLeftCorner
	289	; Parameters:
	290	; Nothing
	291	; Returns:
	292	; Nothing
	293	; Corrupts registers:
	294	; AX, DI
	295	;--------------------------------------------------------------------
	296	MoveCursorToScreenTopLeftCorner:
	297	xor ax, ax ; Top left corner (0, 0)
	298	; Fall to HotkeyBar_RestoreCursorCoordinatesFromAX
	299
	300
	301	;--------------------------------------------------------------------
	302	; HotkeyBar_RestoreCursorCoordinatesFromAX
	303	; Parameters:
	304	; Nothing
	305	; Returns:
	306	; Nothing
	307	; Corrupts registers:
	308	; AX, DI
	309	;--------------------------------------------------------------------
	310	HotkeyBar_RestoreCursorCoordinatesFromAX:
[505]	311	JMP_DISPLAY_LIBRARY SetCursorCoordinatesFromAX
[392]	312
	313
	314	;--------------------------------------------------------------------
[528]	315	; HotkeyBar_StoreHotkeyToBootvarsForDriveNumberInDL
[395]	316	; Parameters:
	317	; DS: RAMVARS segment
	318	; ES: BDA segment (zero)
[528]	319	; DL: Drive Number
	320	; Returns:
	321	; Nothing
	322	; Corrupts registers:
	323	; AX, CX, DL, DI
	324	;--------------------------------------------------------------------
	325	HotkeyBar_StoreHotkeyToBootvarsForDriveNumberInDL:
	326	call DriveXlate_ConvertDriveNumberFromDLtoDriveLetter
	327	; Fall to StoreHotkeyToBootvarsForDriveLetterInDL
	328
	329
	330	;--------------------------------------------------------------------
	331	; StoreHotkeyToBootvarsForDriveLetterInDL
	332	; Parameters:
	333	; DS: RAMVARS segment
	334	; ES: BDA segment (zero)
[395]	335	; DL: Drive Letter ('A'...)
	336	; Returns:
	337	; Nothing
	338	; Corrupts registers:
	339	; AX, CX, DI
	340	;--------------------------------------------------------------------
[528]	341	StoreHotkeyToBootvarsForDriveLetterInDL:
[395]	342	eMOVZX ax, dl
[505]	343	or al, 32 ; Upper case drive letter to lower case keystroke
[395]	344	jmp SHORT HotkeyBar_StoreHotkeyToBootvarsIfValidKeystrokeInAX
	345
	346
	347	;--------------------------------------------------------------------
[528]	348	; ScanHotkeysFromKeyBufferAndStoreToBootvars
[392]	349	; Parameters:
	350	; DS: RAMVARS segment
	351	; ES: BDA segment (zero)
	352	; Returns:
[492]	353	; AL: Last scancode value
[392]	354	; Corrupts registers:
[492]	355	; AH, CX
[392]	356	;--------------------------------------------------------------------
[528]	357	ScanHotkeysFromKeyBufferAndStoreToBootvars:
[392]	358	call Keyboard_GetKeystrokeToAX
	359	jz SHORT NoHotkeyToProcess
	360
[528]	361	; Prepare to read another key from buffer
	362	ePUSH_T cx, ScanHotkeysFromKeyBufferAndStoreToBootvars
[392]	363	; Fall to HotkeyBar_StoreHotkeyToBootvarsIfValidKeystrokeInAX
	364
	365
	366	;--------------------------------------------------------------------
	367	; HotkeyBar_StoreHotkeyToBootvarsIfValidKeystrokeInAX
	368	; Parameters:
	369	; AL: Hotkey ASCII code
	370	; AH: Hotkey Scancode
	371	; DS: RAMVARS segment
	372	; ES: BDA segment (zero)
	373	; Returns:
[492]	374	; AL: Last scancode seen
[528]	375	; CF: Set if valid hotkey in AL
	376	; Clear if scancode in AL is not for any hotkey
[392]	377	; Corrupts registers:
[492]	378	; AH, CX, DI
[392]	379	;--------------------------------------------------------------------
	380	HotkeyBar_StoreHotkeyToBootvarsIfValidKeystrokeInAX:
[492]	381	mov di, BOOTVARS.hotkeyVars+HOTKEYVARS.bScancode
[392]	382
[492]	383	; All scancodes are saved, even if it wasn't a drive letter,
	384	; which also covers our function key case. Invalid function keys
[505]	385	; will not do anything (won't be printed, won't be accepted as input)
[492]	386	mov [es:di], ah
[505]	387
[392]	388	; Drive letter hotkeys remaining, allow 'a' to 'z'
	389	call Char_IsLowerCaseLetterInAL
[492]	390	jnc SHORT .KeystrokeIsNotValidDriveLetter
[505]	391	and al, ~32 ; We want to print upper case letters
[392]	392
	393	; Clear HD First flag to assume Floppy Drive hotkey
[492]	394	dec di
[392]	395	and BYTE [es:di], ~FLG_HOTKEY_HD_FIRST
	396
	397	; Determine if Floppy or Hard Drive hotkey
[505]	398	xchg cx, ax
[547]	399	call BootVars_GetLetterForFirstHardDriveToAX
[392]	400	cmp cl, al
	401	jb SHORT .StoreDriveLetter ; Store Floppy Drive letter
	402
	403	; Store Hard Drive letter
	404	or BYTE [es:di], FLG_HOTKEY_HD_FIRST
	405
	406	.StoreDriveLetter:
[505]	407	sbb di, BYTE 1 ; Sub CF if Floppy Drive
[392]	408	xchg ax, cx
[505]	409	mov [es:di], al
[528]	410	stc ; Valid hotkey scancode returned in AL
[392]	411
[505]	412	.KeystrokeIsNotValidDriveLetter:
[392]	413	NoHotkeyToProcess:
[492]	414	mov al, [es:BOOTVARS.hotkeyVars+HOTKEYVARS.bScancode]
[392]	415	ret
	416
[528]	417
[392]	418	;--------------------------------------------------------------------
[492]	419	; HotkeyBar_GetBootDriveNumbersToDX
[392]	420	; Parameters:
	421	; DS: RAMVARS segment
	422	; ES: BDA segment (zero)
	423	; Returns:
[492]	424	; DX: Drives selected as boot device, DL is primary
[392]	425	; Corrupts registers:
[492]	426	; AX
[392]	427	;--------------------------------------------------------------------
[492]	428	HotkeyBar_GetBootDriveNumbersToDX:
[500]	429	mov dx, [es:BOOTVARS.hotkeyVars+HOTKEYVARS.wFddAndHddLetters]
[505]	430	test BYTE [es:BOOTVARS.hotkeyVars+HOTKEYVARS.bFlags], FLG_HOTKEY_HD_FIRST
[492]	431	jnz .noflip
[392]	432	xchg dl, dh
[505]	433	.noflip:
[492]	434	call DriveXlate_ConvertDriveLetterInDLtoDriveNumber
	435	xchg dl, dh
[505]	436	; Fall to HotkeyBar_FallThroughTo_DriveXlate_ConvertDriveLetterInDLtoDriveNumber
[392]	437
[505]	438	HotkeyBar_FallThroughTo_DriveXlate_ConvertDriveLetterInDLtoDriveNumber:
	439

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