source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Menus/HotkeyBar.asm@ 501

Last change on this file since 501 was 500, checked in by aitotat@…, 12 years ago

Changes to XTIDE Universal BIOS:

  • Selected drive is again properly displayed on hotkeybar when MODULE_BOOT_MENU is not available.
File size: 12.8 KB
Line 
1; Project name : XTIDE Universal BIOS
2; Description : Hotkey Bar related functions.
3
4;
5; XTIDE Universal BIOS and Associated Tools
6; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2012 by XTIDE Universal BIOS Team.
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.
12;
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.
17; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
18;
19
20; Section containing code
21SECTION .text
22
23;--------------------------------------------------------------------
24; HotkeyBar_UpdateDuringDriveDetection
25; Parameters:
26; DS: RAMVARS segment
27; ES: BDA segment (zero)
28; Returns:
29; Nothing
30; Corrupts registers:
31; AX, CX, DX, SI, DI
32;--------------------------------------------------------------------
33HotkeyBar_UpdateDuringDriveDetection:
34 call HotkeyBar_ScanHotkeysFromKeyBufferAndStoreToBootvars
35 ; Fall to HotkeyBar_DrawToTopOfScreen
36
37
38;--------------------------------------------------------------------
39; HotkeyBar_DrawToTopOfScreen
40; Parameters:
41; DS: RAMVARS segment
42; ES: BDA segment (zero)
43; Returns:
44; Nothing
45; Corrupts registers:
46; AX, CX, DX, SI, DI
47;--------------------------------------------------------------------
48HotkeyBar_DrawToTopOfScreen:
49 ; Store current screen coordinates to be restored
50 ; when Hotkey Bar is rendered
51 call DetectPrint_GetSoftwareCoordinatesToAX
52 push ax
53
54 call MoveCursorToScreenTopLeftCorner
55 ; Fall to .PrintFloppyDriveHotkeys
56
57;--------------------------------------------------------------------
58; .PrintFloppyDriveHotkeys
59; Parameters:
60; DS: RAMVARS segment
61; ES: BDA segment (zero)
62; Returns:
63; Nothing
64; Corrupts registers:
65; AX, CX, DX, SI, DI
66;--------------------------------------------------------------------
67.PrintFloppyDriveHotkeys:
68 call FloppyDrive_GetCountToAX
69 test ax, ax ; Any Floppy Drives?
70 jz SHORT .SkipFloppyDriveHotkeys
71
72 mov ax, (ANGLE_QUOTE_RIGHT << 8) | DEFAULT_FLOPPY_DRIVE_LETTER
73 mov cl, [es:BOOTVARS.hotkeyVars+HOTKEYVARS.bFddLetter]
74 mov di, g_szFDD
75 call FormatDriveHotkeyString
76
77.SkipFloppyDriveHotkeys:
78 ; Fall to .PrintHardDriveHotkeys
79
80;--------------------------------------------------------------------
81; .PrintHardDriveHotkeys
82; Parameters:
83; DS: RAMVARS segment
84; ES: BDA segment (zero)
85; Returns:
86; Nothing
87; Corrupts registers:
88; AX, CX, DX, SI, DI
89;--------------------------------------------------------------------
90 call DriveXlate_GetLetterForFirstHardDriveToAX
91 mov ah, ANGLE_QUOTE_RIGHT
92 mov cl, [es:BOOTVARS.hotkeyVars+HOTKEYVARS.bHddLetter]
93 mov di, g_szHDD
94 call FormatDriveHotkeyString
95 ; Fall to .PrintBootMenuHotkey
96
97;--------------------------------------------------------------------
98; .PrintBootMenuHotkey
99; Parameters:
100; ES: BDA segment (zero)
101; Returns:
102; Nothing
103; Corrupts registers:
104; AX, CX, DX, SI, DI
105;--------------------------------------------------------------------
106.PrintBootMenuHotkey:
107%ifdef MODULE_BOOT_MENU
108 mov ax, BOOT_MENU_HOTKEY_SCANCODE | ('2' << 8)
109 mov di, g_szBootMenu
110 call FormatFunctionHotkeyString
111%endif
112 ; Fall to .PrintComDetectHotkey
113
114;--------------------------------------------------------------------
115; .PrintComDetectHotkey
116; Parameters:
117; ES: BDA segment (zero)
118; Returns:
119; Nothing
120; Corrupts registers:
121; AX, CX, DX, SI, DI
122;--------------------------------------------------------------------
123.PrintComDetectHotkey:
124%ifdef MODULE_SERIAL
125 mov ax, COM_DETECT_HOTKEY_SCANCODE | ('6' << 8)
126 mov di, g_szHotComDetect
127 call FormatFunctionHotkeyString
128%endif
129 ; Fall to .PrintRomBootHotkey
130
131;--------------------------------------------------------------------
132; .PrintRomBootHotkey
133; Parameters:
134; ES: BDA segment (zero)
135; Returns:
136; Nothing
137; Corrupts registers:
138; AX, CX, DX, SI, DI
139;--------------------------------------------------------------------
140.PrintRomBootHotkey:
141 mov ax, ROM_BOOT_HOTKEY_SCANCODE | ('8' << 8)
142 mov di, g_szRomBoot
143 call FormatFunctionHotkeyString
144 ; Fall to .EndHotkeyBarRendering
145
146;--------------------------------------------------------------------
147; .EndHotkeyBarRendering
148; Parameters:
149; Stack: Screen coordinates before drawing Hotkey Bar
150; Returns:
151; Nothing
152; Corrupts registers:
153; AX, CX, DI
154;--------------------------------------------------------------------
155.EndHotkeyBarRendering:
156 call HotkeyBar_ClearRestOfTopRow
157 pop ax
158 jmp SHORT HotkeyBar_RestoreCursorCoordinatesFromAX
159
160
161;--------------------------------------------------------------------
162; HotkeyBar_ClearRestOfTopRow
163; Parameters:
164; Nothing
165; Returns:
166; Nothing
167; Corrupts registers:
168; AX, CX, DI
169;--------------------------------------------------------------------
170HotkeyBar_ClearRestOfTopRow:
171 CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH
172 eMOVZX cx, al
173 CALL_DISPLAY_LIBRARY GetSoftwareCoordinatesToAX
174 sub cl, al
175 mov al, ' '
176 CALL_DISPLAY_LIBRARY PrintRepeatedCharacterFromALwithCountInCX
177 ret
178
179
180;--------------------------------------------------------------------
181; FormatDriveHotkeyString
182; Parameters:
183; CL: Drive letter hotkey from BOOTVARS
184; AL: First character for drive key string
185; AH: Second character for drive key string (ANGLE_QUOTE_RIGHT)
186; SI: Offset to hotkey description string
187; ES: BDA segment (zero)
188; Returns:
189; Nothing
190; Corrupts registers:
191; AX, CX, DX, SI, DI
192;--------------------------------------------------------------------
193;; No work to do before going into FormatFunctionHotkeyString
194FormatDriveHotkeyString equ GetNonSelectedHotkeyDescriptionAttributeToDX
195
196;--------------------------------------------------------------------
197; FormatFunctionHotkeyString
198; Parameters:
199; AL: Scancode of function key, to know which if any to show as selected
200; Later replaced with an 'F' for the call to the output routine
201; AH: Second character for drive key string
202; SI: Offset to hotkey description string
203; ES: BDA segment (zero)
204; Returns:
205; Nothing
206; Corrupts registers:
207; AX, CX, DX, SI, DI
208;--------------------------------------------------------------------
209FormatFunctionHotkeyString:
210 xor cx, cx ; Null character, eaten in output routines
211
212 cmp [es:BOOTVARS.hotkeyVars+HOTKEYVARS.bScancode], al
213 mov al, 'F' ; Replace scancode with character for output
214
215%ifdef MODULE_BOOT_MENU
216
217 mov si, ATTRIBUTE_CHARS.cHurryTimeout ; Selected hotkey
218 jz SHORT GetDescriptionAttributeToDX ; From compare with bScancode above
219
220GetNonSelectedHotkeyDescriptionAttributeToDX:
221 mov si, ATTRIBUTE_CHARS.cHighlightedItem ; Unselected hotkey
222
223 ; Display Library should not be called like this
224GetDescriptionAttributeToDX:
225 xchg dx, ax
226 call MenuAttribute_GetToAXfromTypeInSI
227 xchg dx, ax ; DX = Description attribute
228 ;; fall through to PushHotkeyParamsAndFormat
229
230
231%else ; if no MODULE_BOOT_MENU - No boot menu so use simpler attributes
232
233 mov dx, (COLOR_ATTRIBUTE(COLOR_YELLOW, COLOR_CYAN) << 8) | MONO_REVERSE_BLINK
234 jz SHORT SelectAttributeFromDHorDLbasedOnVideoMode ; From compare with bScancode above
235
236GetNonSelectedHotkeyDescriptionAttributeToDX:
237 mov dx, (COLOR_ATTRIBUTE(COLOR_BLACK, COLOR_CYAN) << 8) | MONO_REVERSE
238
239SelectAttributeFromDHorDLbasedOnVideoMode:
240 mov ch, [es:BDA.bVidMode] ; We only need to preserve CL
241 shr ch, 1
242 jnc SHORT .AttributeLoadedToDL ; Black & White modes
243 shr ch, 1
244 jnz SHORT .AttributeLoadedToDL ; MDA
245 mov dl, dh
246.AttributeLoadedToDL:
247 ;; fall through to PushHotkeyParamsAndFormat
248
249%endif ; MODULE_BOOT_MENU
250
251
252;--------------------------------------------------------------------
253; PushHotkeyParamsAndFormat
254; Parameters:
255; AL: First character
256; AH: Second character
257; DX: Description Attribute
258; CX: Description string parameter
259; CS:DI: Description string
260; Returns:
261; Nothing
262; Corrupts registers:
263; AX, SI, DI
264;--------------------------------------------------------------------
265PushHotkeyParamsAndFormat:
266 push bp
267 mov bp, sp
268
269 mov si, MONO_BRIGHT
270
271 push si ; Key attribute
272 push ax ; First Character
273 mov al, ah
274 push ax ; Second Character
275
276 push dx ; Description attribute
277 push di ; Description string
278 push cx ; Description string parameter
279
280 push si ; Key attribute for last space
281
282 mov si, g_szHotkey
283 jmp DetectPrint_FormatCSSIfromParamsInSSBP
284
285
286;--------------------------------------------------------------------
287; MoveCursorToScreenTopLeftCorner
288; Parameters:
289; Nothing
290; Returns:
291; Nothing
292; Corrupts registers:
293; AX, DI
294;--------------------------------------------------------------------
295MoveCursorToScreenTopLeftCorner:
296 xor ax, ax ; Top left corner (0, 0)
297 ; Fall to HotkeyBar_RestoreCursorCoordinatesFromAX
298
299
300;--------------------------------------------------------------------
301; HotkeyBar_RestoreCursorCoordinatesFromAX
302; Parameters:
303; Nothing
304; Returns:
305; Nothing
306; Corrupts registers:
307; AX, DI
308;--------------------------------------------------------------------
309HotkeyBar_RestoreCursorCoordinatesFromAX:
310 CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX
311 ret
312
313
314;--------------------------------------------------------------------
315; HotkeyBar_StoreHotkeyToBootvarsForDriveLetterInDL
316; Parameters:
317; DS: RAMVARS segment
318; ES: BDA segment (zero)
319; DL: Drive Letter ('A'...)
320; Returns:
321; Nothing
322; Corrupts registers:
323; AX, CX, DI
324;--------------------------------------------------------------------
325HotkeyBar_StoreHotkeyToBootvarsForDriveLetterInDL:
326 eMOVZX ax, dl
327 xor al, 32 ; Upper case drive letter to lower case keystroke
328 jmp SHORT HotkeyBar_StoreHotkeyToBootvarsIfValidKeystrokeInAX
329
330
331;--------------------------------------------------------------------
332; HotkeyBar_ScanHotkeysFromKeyBufferAndStoreToBootvars
333; Parameters:
334; DS: RAMVARS segment
335; ES: BDA segment (zero)
336; Returns:
337; AL: Last scancode value
338; Corrupts registers:
339; AH, CX
340;--------------------------------------------------------------------
341HotkeyBar_ScanHotkeysFromKeyBufferAndStoreToBootvars:
342 call Keyboard_GetKeystrokeToAX
343 jz SHORT NoHotkeyToProcess
344
345 ePUSH_T cx, HotkeyBar_ScanHotkeysFromKeyBufferAndStoreToBootvars
346 ; Fall to HotkeyBar_StoreHotkeyToBootvarsIfValidKeystrokeInAX
347
348
349;--------------------------------------------------------------------
350; HotkeyBar_StoreHotkeyToBootvarsIfValidKeystrokeInAX
351; Parameters:
352; AL: Hotkey ASCII code
353; AH: Hotkey Scancode
354; DS: RAMVARS segment
355; ES: BDA segment (zero)
356; Returns:
357; AL: Last scancode seen
358; Corrupts registers:
359; AH, CX, DI
360;--------------------------------------------------------------------
361HotkeyBar_StoreHotkeyToBootvarsIfValidKeystrokeInAX:
362 mov di, BOOTVARS.hotkeyVars+HOTKEYVARS.bScancode
363
364 ; All scancodes are saved, even if it wasn't a drive letter,
365 ; which also covers our function key case. Invalid function keys
366 ; will not do anything (won't be printed, won't be accepted as input)
367 mov [es:di], ah
368
369 ; Drive letter hotkeys remaining, allow 'a' to 'z'
370 call Char_IsLowerCaseLetterInAL
371 jnc SHORT .KeystrokeIsNotValidDriveLetter
372 xor al, 32 ; We want to print upper case letters
373
374 ; Clear HD First flag to assume Floppy Drive hotkey
375 dec di
376 and BYTE [es:di], ~FLG_HOTKEY_HD_FIRST
377
378 ; Determine if Floppy or Hard Drive hotkey
379 eMOVZX cx, al ; Clear CH to clear scancode
380 call DriveXlate_GetLetterForFirstHardDriveToAX
381 cmp cl, al
382 jb SHORT .StoreDriveLetter ; Store Floppy Drive letter
383
384 ; Store Hard Drive letter
385 or BYTE [es:di], FLG_HOTKEY_HD_FIRST
386
387.StoreDriveLetter:
388 sbb di, BYTE 1 ; Sub CF if Floppy Drive
389 xchg ax, cx
390 mov [es:di], al ; AH = zero to clear function hotkey
391
392.KeystrokeIsNotValidDriveLetter:
393NoHotkeyToProcess:
394 mov al, [es:BOOTVARS.hotkeyVars+HOTKEYVARS.bScancode]
395 ret
396
397;--------------------------------------------------------------------
398; HotkeyBar_GetBootDriveNumbersToDX
399; Parameters:
400; DS: RAMVARS segment
401; ES: BDA segment (zero)
402; Returns:
403; DX: Drives selected as boot device, DL is primary
404; Corrupts registers:
405; AX
406;--------------------------------------------------------------------
407HotkeyBar_GetBootDriveNumbersToDX:
408 mov dx, [es:BOOTVARS.hotkeyVars+HOTKEYVARS.wFddAndHddLetters]
409 test BYTE [es:BOOTVARS.hotkeyVars+HOTKEYVARS.bFlags], FLG_HOTKEY_HD_FIRST
410 jnz .noflip
411 xchg dl, dh
412.noflip:
413 call DriveXlate_ConvertDriveLetterInDLtoDriveNumber
414 xchg dl, dh
415 ; Fall to HotkeyBar_FallThroughTo_DriveXlate_ConvertDriveLetterInDLtoDriveNumber
416
417HotkeyBar_FallThroughTo_DriveXlate_ConvertDriveLetterInDLtoDriveNumber:
418
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