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, 2011-2013 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 |
---|
21 | SECTION .text |
---|
22 | |
---|
23 | ;-------------------------------------------------------------------- |
---|
24 | ; Scans key presses and draws any hotkey changes. |
---|
25 | ; |
---|
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: |
---|
36 | call ScanHotkeysFromKeyBufferAndStoreToBootvars |
---|
37 | ; Fall to HotkeyBar_DrawToTopOfScreen |
---|
38 | |
---|
39 | |
---|
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 | |
---|
74 | mov ax, (ANGLE_QUOTE_RIGHT << 8) | DEFAULT_FLOPPY_DRIVE_LETTER |
---|
75 | mov cl, [es:BOOTVARS.hotkeyVars+HOTKEYVARS.bFddLetter] |
---|
76 | mov di, g_szFDD |
---|
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 | ;-------------------------------------------------------------------- |
---|
92 | call DriveXlate_GetLetterForFirstHardDriveToAX |
---|
93 | mov ah, ANGLE_QUOTE_RIGHT |
---|
94 | mov cl, [es:BOOTVARS.hotkeyVars+HOTKEYVARS.bHddLetter] |
---|
95 | mov di, g_szHDD |
---|
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 |
---|
110 | mov ax, BOOT_MENU_HOTKEY_SCANCODE | ('2' << 8) |
---|
111 | mov di, g_szBootMenu |
---|
112 | call FormatFunctionHotkeyString |
---|
113 | %endif |
---|
114 | ; Fall to .PrintComDetectHotkey |
---|
115 | |
---|
116 | ;-------------------------------------------------------------------- |
---|
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 |
---|
131 | ; Fall to .PrintRomBootHotkey |
---|
132 | |
---|
133 | ;-------------------------------------------------------------------- |
---|
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: |
---|
143 | mov ax, ROM_BOOT_HOTKEY_SCANCODE | ('8' << 8) |
---|
144 | mov di, g_szRomBoot |
---|
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: |
---|
173 | CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH |
---|
174 | eMOVZX cx, al |
---|
175 | CALL_DISPLAY_LIBRARY GetSoftwareCoordinatesToAX |
---|
176 | sub cl, al |
---|
177 | mov al, ' ' |
---|
178 | JMP_DISPLAY_LIBRARY PrintRepeatedCharacterFromALwithCountInCX |
---|
179 | |
---|
180 | |
---|
181 | ;-------------------------------------------------------------------- |
---|
182 | ; FormatDriveHotkeyString |
---|
183 | ; Parameters: |
---|
184 | ; CL: Drive letter hotkey from BOOTVARS |
---|
185 | ; AL: First character for drive key string |
---|
186 | ; AH: Second character for drive key string (ANGLE_QUOTE_RIGHT) |
---|
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 | ;-------------------------------------------------------------------- |
---|
194 | ;; No work to do before going into FormatFunctionHotkeyString |
---|
195 | FormatDriveHotkeyString equ GetNonSelectedHotkeyDescriptionAttributeToDX |
---|
196 | |
---|
197 | ;-------------------------------------------------------------------- |
---|
198 | ; FormatFunctionHotkeyString |
---|
199 | ; Parameters: |
---|
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 |
---|
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: |
---|
211 | xor cx, cx ; Null character, eaten in output routines |
---|
212 | |
---|
213 | cmp [es:BOOTVARS.hotkeyVars+HOTKEYVARS.bScancode], al |
---|
214 | mov al, 'F' ; Replace scancode with character for output |
---|
215 | |
---|
216 | %ifdef MODULE_BOOT_MENU |
---|
217 | |
---|
218 | mov si, ATTRIBUTE_CHARS.cHurryTimeout ; Selected hotkey |
---|
219 | je SHORT GetDescriptionAttributeToDX ; From compare with bScancode above |
---|
220 | |
---|
221 | GetNonSelectedHotkeyDescriptionAttributeToDX: |
---|
222 | mov si, ATTRIBUTE_CHARS.cHighlightedItem ; Unselected hotkey |
---|
223 | |
---|
224 | ; Display Library should not be called like this |
---|
225 | GetDescriptionAttributeToDX: |
---|
226 | xchg dx, ax |
---|
227 | call MenuAttribute_GetToAXfromTypeInSI |
---|
228 | xchg dx, ax ; DX = Description attribute |
---|
229 | ;; fall through to PushHotkeyParamsAndFormat |
---|
230 | |
---|
231 | |
---|
232 | %else ; if no MODULE_BOOT_MENU - No boot menu so use simpler attributes |
---|
233 | |
---|
234 | mov dx, (COLOR_ATTRIBUTE(COLOR_YELLOW, COLOR_CYAN) << 8) | MONO_REVERSE_BLINK |
---|
235 | je SHORT SelectAttributeFromDHorDLbasedOnVideoMode ; From compare with bScancode above |
---|
236 | |
---|
237 | GetNonSelectedHotkeyDescriptionAttributeToDX: |
---|
238 | mov dx, (COLOR_ATTRIBUTE(COLOR_BLACK, COLOR_CYAN) << 8) | MONO_REVERSE |
---|
239 | |
---|
240 | SelectAttributeFromDHorDLbasedOnVideoMode: |
---|
241 | mov ch, [es:BDA.bVidMode] ; We only need to preserve CL |
---|
242 | shr ch, 1 |
---|
243 | jnc SHORT .AttributeLoadedToDL ; Black & White modes |
---|
244 | shr ch, 1 |
---|
245 | jnz SHORT .AttributeLoadedToDL ; MDA |
---|
246 | mov dl, dh |
---|
247 | .AttributeLoadedToDL: |
---|
248 | ;; fall through to PushHotkeyParamsAndFormat |
---|
249 | |
---|
250 | %endif ; MODULE_BOOT_MENU |
---|
251 | |
---|
252 | |
---|
253 | ;-------------------------------------------------------------------- |
---|
254 | ; PushHotkeyParamsAndFormat |
---|
255 | ; Parameters: |
---|
256 | ; AL: First character |
---|
257 | ; AH: Second character |
---|
258 | ; DX: Description Attribute |
---|
259 | ; CX: Description string parameter |
---|
260 | ; CS:DI: Description string |
---|
261 | ; Returns: |
---|
262 | ; Nothing |
---|
263 | ; Corrupts registers: |
---|
264 | ; AX, SI, DI |
---|
265 | ;-------------------------------------------------------------------- |
---|
266 | PushHotkeyParamsAndFormat: |
---|
267 | push bp |
---|
268 | mov bp, sp |
---|
269 | |
---|
270 | mov si, MONO_BRIGHT |
---|
271 | |
---|
272 | push si ; Key attribute |
---|
273 | push ax ; First Character |
---|
274 | mov al, ah |
---|
275 | push ax ; Second Character |
---|
276 | |
---|
277 | push dx ; Description attribute |
---|
278 | push di ; Description string |
---|
279 | push cx ; Description string parameter |
---|
280 | |
---|
281 | push si ; Key attribute for last space |
---|
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: |
---|
311 | JMP_DISPLAY_LIBRARY SetCursorCoordinatesFromAX |
---|
312 | |
---|
313 | |
---|
314 | ;-------------------------------------------------------------------- |
---|
315 | ; HotkeyBar_StoreHotkeyToBootvarsForDriveNumberInDL |
---|
316 | ; Parameters: |
---|
317 | ; DS: RAMVARS segment |
---|
318 | ; ES: BDA segment (zero) |
---|
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) |
---|
335 | ; DL: Drive Letter ('A'...) |
---|
336 | ; Returns: |
---|
337 | ; Nothing |
---|
338 | ; Corrupts registers: |
---|
339 | ; AX, CX, DI |
---|
340 | ;-------------------------------------------------------------------- |
---|
341 | StoreHotkeyToBootvarsForDriveLetterInDL: |
---|
342 | eMOVZX ax, dl |
---|
343 | or al, 32 ; Upper case drive letter to lower case keystroke |
---|
344 | jmp SHORT HotkeyBar_StoreHotkeyToBootvarsIfValidKeystrokeInAX |
---|
345 | |
---|
346 | |
---|
347 | ;-------------------------------------------------------------------- |
---|
348 | ; ScanHotkeysFromKeyBufferAndStoreToBootvars |
---|
349 | ; Parameters: |
---|
350 | ; DS: RAMVARS segment |
---|
351 | ; ES: BDA segment (zero) |
---|
352 | ; Returns: |
---|
353 | ; AL: Last scancode value |
---|
354 | ; Corrupts registers: |
---|
355 | ; AH, CX |
---|
356 | ;-------------------------------------------------------------------- |
---|
357 | ScanHotkeysFromKeyBufferAndStoreToBootvars: |
---|
358 | call Keyboard_GetKeystrokeToAX |
---|
359 | jz SHORT NoHotkeyToProcess |
---|
360 | |
---|
361 | ; Prepare to read another key from buffer |
---|
362 | ePUSH_T cx, ScanHotkeysFromKeyBufferAndStoreToBootvars |
---|
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: |
---|
374 | ; AL: Last scancode seen |
---|
375 | ; CF: Set if valid hotkey in AL |
---|
376 | ; Clear if scancode in AL is not for any hotkey |
---|
377 | ; Corrupts registers: |
---|
378 | ; AH, CX, DI |
---|
379 | ;-------------------------------------------------------------------- |
---|
380 | HotkeyBar_StoreHotkeyToBootvarsIfValidKeystrokeInAX: |
---|
381 | mov di, BOOTVARS.hotkeyVars+HOTKEYVARS.bScancode |
---|
382 | |
---|
383 | ; All scancodes are saved, even if it wasn't a drive letter, |
---|
384 | ; which also covers our function key case. Invalid function keys |
---|
385 | ; will not do anything (won't be printed, won't be accepted as input) |
---|
386 | mov [es:di], ah |
---|
387 | |
---|
388 | ; Drive letter hotkeys remaining, allow 'a' to 'z' |
---|
389 | call Char_IsLowerCaseLetterInAL |
---|
390 | jnc SHORT .KeystrokeIsNotValidDriveLetter |
---|
391 | and al, ~32 ; We want to print upper case letters |
---|
392 | |
---|
393 | ; Clear HD First flag to assume Floppy Drive hotkey |
---|
394 | dec di |
---|
395 | and BYTE [es:di], ~FLG_HOTKEY_HD_FIRST |
---|
396 | |
---|
397 | ; Determine if Floppy or Hard Drive hotkey |
---|
398 | xchg cx, ax |
---|
399 | call DriveXlate_GetLetterForFirstHardDriveToAX |
---|
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: |
---|
407 | sbb di, BYTE 1 ; Sub CF if Floppy Drive |
---|
408 | xchg ax, cx |
---|
409 | mov [es:di], al |
---|
410 | stc ; Valid hotkey scancode returned in AL |
---|
411 | |
---|
412 | .KeystrokeIsNotValidDriveLetter: |
---|
413 | NoHotkeyToProcess: |
---|
414 | mov al, [es:BOOTVARS.hotkeyVars+HOTKEYVARS.bScancode] |
---|
415 | ret |
---|
416 | |
---|
417 | |
---|
418 | ;-------------------------------------------------------------------- |
---|
419 | ; HotkeyBar_GetBootDriveNumbersToDX |
---|
420 | ; Parameters: |
---|
421 | ; DS: RAMVARS segment |
---|
422 | ; ES: BDA segment (zero) |
---|
423 | ; Returns: |
---|
424 | ; DX: Drives selected as boot device, DL is primary |
---|
425 | ; Corrupts registers: |
---|
426 | ; AX |
---|
427 | ;-------------------------------------------------------------------- |
---|
428 | HotkeyBar_GetBootDriveNumbersToDX: |
---|
429 | mov dx, [es:BOOTVARS.hotkeyVars+HOTKEYVARS.wFddAndHddLetters] |
---|
430 | test BYTE [es:BOOTVARS.hotkeyVars+HOTKEYVARS.bFlags], FLG_HOTKEY_HD_FIRST |
---|
431 | jnz .noflip |
---|
432 | xchg dl, dh |
---|
433 | .noflip: |
---|
434 | call DriveXlate_ConvertDriveLetterInDLtoDriveNumber |
---|
435 | xchg dl, dh |
---|
436 | ; Fall to HotkeyBar_FallThroughTo_DriveXlate_ConvertDriveLetterInDLtoDriveNumber |
---|
437 | |
---|
438 | HotkeyBar_FallThroughTo_DriveXlate_ConvertDriveLetterInDLtoDriveNumber: |
---|
439 | |
---|