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source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Menus/HotkeyBar.asm@ 538

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Last change on this file since 538 was 528, checked in by aitotat@…, 12 years ago

Changes to XTIDE Universal BIOS:

Swapping Floppy and Hard Drives at the same time work again (broke in r492).
Hotkeys again work in boot menu (broke in r492).

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	;--------------------------------------------------------------------
[492]	92	call DriveXlate_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
[492]	399	call DriveXlate_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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