source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Boot/BootMenuPrint.asm@ 254

Last change on this file since 254 was 254, checked in by aitotat@…, 13 years ago

Changes to XTIDE Universal BIOS:

  • Changed BOOTNFO to BOOTMENUINFO and moved it to BootMenu.inc.
File size: 12.8 KB
Line 
1; Project name : XTIDE Universal BIOS
2; Description : Functions for printing boot menu strings.
3
4; Section containing code
5SECTION .text
6
7;--------------------------------------------------------------------
8; BootMenuPrint_RefreshItem
9;
10; Parameters:
11; DL: Untranslated Floppy Drive number
12; Returns:
13; Nothing
14; Corrupts registers:
15; AX, BX, DX, SI, DI
16;--------------------------------------------------------------------
17ALIGN JUMP_ALIGN
18BootMenuPrint_RefreshItem:
19 call BootMenu_GetDriveToDXforMenuitemInCX_And_RamVars_GetSegmentToDS
20 jnc BootMenuEvent_EventCompleted ; if no menu item selected, out we go
21
22 push bp
23 mov bp, sp
24
25 call RamVars_IsDriveHandledByThisBIOS
26 jnc .notOurs
27
28 call FindDPT_ForDriveNumber ; if it is one of ours, print the string in bootnfo
29 call BootMenuInfo_ConvertDPTtoBX
30 mov si, g_szDriveNumBOOTNFO ; special g_szDriveNum that prints from BDA
31 jmp .go
32
33.notOurs:
34 mov si,g_szDriveNum
35 mov bx,g_szForeignHD ; assume a hard disk for the moment
36
37 test dl,80h
38 js .go
39 mov bl,((g_szFloppyDrv)-$$ & 0xff) ; and revisit the earlier assumption...
40
41.go:
42 mov ax, dx ; preserve DL for the floppy drive letter addition
43 call DriveXlate_ToOrBack
44 push dx ; translated drive number
45 push bx ; sub string
46 add al, 'A' ; floppy drive letter (we always push this although
47 push ax ; the hard disks don't ever use it, but it does no harm)
48
49 jmp short BootMenuPrint_FormatCSSIfromParamsInSSBP
50
51;--------------------------------------------------------------------
52; Prints Boot Menu title strings.
53;
54; BootMenuPrint_TitleStrings
55; Parameters:
56; Nothing
57; Returns:
58; CF: Set since menu event handled
59; Corrupts registers:
60; AX, SI, DI
61;--------------------------------------------------------------------
62ALIGN JUMP_ALIGN
63BootMenuPrint_TitleStrings:
64 mov si, ROMVARS.szTitle
65 call BootMenuPrint_NullTerminatedStringFromCSSIandSetCF
66 CALL_DISPLAY_LIBRARY PrintNewlineCharacters
67 mov si, ROMVARS.szVersion
68 ; Fall to BootMenuPrint_NullTerminatedStringFromCSSIandSetCF
69
70;--------------------------------------------------------------------
71; BootMenuPrint_NullTerminatedStringFromCSSIandSetCF
72; Parameters:
73; CS:SI: Ptr to NULL terminated string to print
74; Returns:
75; CF: Set since menu event was handled successfully
76; Corrupts registers:
77; AX, DI
78;--------------------------------------------------------------------
79ALIGN JUMP_ALIGN
80BootMenuPrint_NullTerminatedStringFromCSSIandSetCF:
81;
82; We send all CSSI strings through the Format routine for the case of
83; compressed strings, but this doesn't hurt in the non-compressed case either
84; (perhaps a little slower, but shouldn't be noticeable to the user)
85; and results in smaller code size.
86;
87 push bp
88 mov bp,sp
89 jmp short BootMenuPrint_FormatCSSIfromParamsInSSBP
90
91
92;--------------------------------------------------------------------
93; BootMenuPrint_FloppyMenuitemInformation
94; Parameters:
95; DL: Untranslated Floppy Drive number
96; DS: RAMVARS segment
97; Returns:
98; CF: Set since menu event was handled successfully
99; Corrupts registers:
100; AX, BX, CX, DX, SI, DI, ES
101;--------------------------------------------------------------------
102ALIGN JUMP_ALIGN
103BootMenuPrint_RefreshInformation:
104 CALL_MENU_LIBRARY ClearInformationArea
105
106 call BootMenu_GetDriveToDXforMenuitemInCX_And_RamVars_GetSegmentToDS
107 jnc BootMenuEvent_EventCompleted ; if no menu selection, abort
108
109 push bp
110 mov bp, sp
111
112 test dl, dl ; are we a hard disk?
113 js BootMenuPrint_HardDiskRefreshInformation
114
115 call FloppyDrive_GetType ; Get Floppy Drive type to BX
116
117 mov cx, g_szFddSizeOr ; .PrintXTFloppyType
118 test bx, bx ; Two possibilities? (FLOPPY_TYPE_525_OR_35_DD)
119 jz SHORT BootMenuPrint_HardDiskRefreshInformation.output
120
121 mov cl, (g_szFddUnknown - $$) & 0xff ; .PrintUnknownFloppyType
122 cmp bl, FLOPPY_TYPE_35_ED
123 ja SHORT BootMenuPrint_HardDiskRefreshInformation.output
124
125 ; Fall to .PrintKnownFloppyType
126
127;--------------------------------------------------------------------
128; .PrintKnownFloppyType
129; Parameters:
130; BX: Floppy drive type
131; Returns:
132; CF: Set since menu event was handled successfully
133; Corrupts registers:
134; AX, BX, SI, DI
135;
136; Floppy Drive Types:
137;
138; 0 Handled above
139; 1 FLOPPY_TYPE_525_DD 5 1/4 360K
140; 2 FLOPPY_TYPE_525_HD 5 1/4 1.2M
141; 3 FLOPPY_TYPE_35_DD 3 1/2 720K
142; 4 FLOPPY_TYPE_35_HD 3 1/2 1.44M
143; 5 3.5" ED on some BIOSes 3 1/2 2.88M
144; 6 FLOPPY_TYPE_35_ED 3 1/2 2.88M
145; >6 Unknwon, handled above
146;
147;--------------------------------------------------------------------
148.PrintKnownFloppyType:
149 mov cl, (g_szFddSize - $$) & 0xff
150 push cx
151
152 mov cl, (g_szFddThreeHalf - $$) & 0xff
153 cmp bl, FLOPPY_TYPE_525_HD
154 ja .ThreeHalf
155 mov cl, (g_szFddFiveQuarter - $$) & 0xff
156.ThreeHalf:
157 push cx ; "5 1/4" or "3 1/2"
158
159 mov al,FloppyTypes.rgbCapacityMultiplier
160 mul byte [cs:bx+FloppyTypes.rgbCapacity - 1] ; -1 since 0 is handled above and not in the table
161 push ax
162
163 jmp short BootMenuPrint_HardDiskRefreshInformation.output
164
165
166;--------------------------------------------------------------------
167; Prints Hard Disk Menuitem information strings.
168;
169; BootMenuPrint_HardDiskMenuitemInformation
170; Parameters:
171; DL: Untranslated Hard Disk number
172; DS: RAMVARS segment
173; Returns:
174; CF: Set since menu event was handled successfully
175; Corrupts registers:
176; BX, CX, DX, SI, DI, ES
177;--------------------------------------------------------------------
178ALIGN JUMP_ALIGN
179BootMenuPrint_HardDiskRefreshInformation:
180 call RamVars_IsDriveHandledByThisBIOS
181 jnc SHORT .HardDiskMenuitemInfoForForeignDrive
182 call FindDPT_ForDriveNumber ; DS:DI to point DPT
183 ; Fall to .HardDiskMenuitemInfoForOurDrive
184
185;--------------------------------------------------------------------
186; .HardDiskMenuitemInfoForOurDrive
187; Parameters:
188; DL: Untranslated Hard Disk number
189; DS:DI: Ptr to DPT
190; Returns:
191; Nothing
192; Corrupts registers:
193; AX, BX, CX, DX, SI, DI, ES
194;--------------------------------------------------------------------
195.HardDiskMenuitemInfoForOurDrive:
196 ePUSH_T ax, g_szInformation
197
198 ; Get and push total LBA size
199 call BootMenuInfo_GetTotalSectorCount
200 call ConvertSectorCountInBXDXAXtoSizeAndPushForFormat
201 jmp BootMenuPrintCfg_ForOurDrive
202
203;--------------------------------------------------------------------
204; .HardDiskMenuitemInfoForForeignDrive
205; Parameters:
206; DL: Untranslated Hard Disk number
207; DS: RAMVARS segment
208; Returns:
209; CF: Set since menu event was handled successfully
210; Corrupts registers:
211; AX, BX, CX, DX, SI, DI
212;--------------------------------------------------------------------
213ALIGN JUMP_ALIGN
214.HardDiskMenuitemInfoForForeignDrive:
215 call DriveXlate_ToOrBack
216 call AH15h_GetSectorCountFromForeignDriveToDXAX
217 call ConvertSectorCountInBXDXAXtoSizeAndPushForFormat
218
219ALIGN JUMP_ALIGN
220.output:
221 mov si, g_szCapacity
222;;; fall-through
223
224;--------------------------------------------------------------------
225; BootMenuPrint_FormatCSSIfromParamsInSSBP
226; Parameters:
227; CS:SI: Ptr to string to format
228; BP: SP before pushing parameters
229; Returns:
230; BP: Popped from stack
231; CF: Set since menu event was handled successfully
232; Corrupts registers:
233; AX, DI
234;--------------------------------------------------------------------
235ALIGN JUMP_ALIGN
236BootMenuPrint_FormatCSSIfromParamsInSSBP:
237 CALL_DISPLAY_LIBRARY FormatNullTerminatedStringFromCSSI
238 stc ; Successfull return from menu event
239 pop bp
240 ret
241
242
243;--------------------------------------------------------------------
244; BootMenuPrint_ClearScreen
245; Parameters:
246; Nothing
247; Returns:
248; Nothing
249; Corrupts registers:
250; AX, DI
251;--------------------------------------------------------------------
252ALIGN JUMP_ALIGN
253BootMenuPrint_ClearScreen:
254 call BootMenuPrint_InitializeDisplayContext
255 xor ax, ax
256 CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX
257 mov ax, ' ' | (MONO_NORMAL<<8)
258 CALL_DISPLAY_LIBRARY ClearScreenWithCharInALandAttrInAH
259 ret
260
261
262;--------------------------------------------------------------------
263; BootMenuPrint_TheBottomOfScreen
264; Parameters:
265; DS: RAMVARS segment
266; Returns:
267; Nothing
268; Corrupts registers:
269; AX, BX, CX, DX, SI, DI
270;--------------------------------------------------------------------
271ALIGN JUMP_ALIGN
272BootMenuPrint_TheBottomOfScreen:
273 call FloppyDrive_GetCountToCX
274 mov bl, cl ; Floppy Drive count to BL
275 call RamVars_GetHardDiskCountFromBDAtoCX
276 mov bh, cl ; Hard Disk count to BH
277 ; Fall to .MoveCursorToHotkeyStrings
278
279;--------------------------------------------------------------------
280; .MoveCursorToHotkeyStrings
281; Parameters:
282; Nothing
283; Returns:
284; Nothing
285; Corrupts registers:
286; AX, DI
287;--------------------------------------------------------------------
288.MoveCursorToHotkeyStrings:
289 CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH
290 xor al, al
291 dec ah
292 CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX
293 ; Fall to .PrintHotkeyString
294
295;--------------------------------------------------------------------
296; .PrintHotkeyString
297; Parameters:
298; BL: Floppy Drives
299; BH: Hard Drives
300; Returns:
301; Nothing
302; Corrupts registers:
303; AX, CX, DX, SI, DI
304;--------------------------------------------------------------------
305.PrintHotkeyString:
306 ; Display Library should not be called like this
307 mov si, ATTRIBUTE_CHARS.cHighlightedItem
308 call MenuAttribute_GetToAXfromTypeInSI
309 xchg dx, ax
310 mov cx, MONO_BRIGHT
311
312 test bl, bl ; Any Floppy Drives?
313 jz SHORT .SkipFloppyDriveHotkeys
314 mov ax, 'A' | (ANGLE_QUOTE_RIGHT<<8)
315 mov si, g_szFDD
316 call PushHotkeyParamsAndFormat
317
318.SkipFloppyDriveHotkeys:
319 test bh, bh ; Any Hard Drives?
320 jz SHORT .SkipHardDriveHotkeys
321 xchg ax, cx ; Store Key Attribute
322 call BootMenu_GetLetterForFirstHardDiskToCL
323 mov ch, ANGLE_QUOTE_RIGHT
324 xchg ax, cx
325 mov si, g_szHDD
326 call PushHotkeyParamsAndFormat
327
328.SkipHardDriveHotkeys:
329 ; Fall to .PrintRomBootHotkey
330
331;--------------------------------------------------------------------
332; .PrintRomBootHotkey
333; Parameters:
334; CX: Key Attribute
335; DX: Description Attribute
336; Returns:
337; Nothing
338; Corrupts registers:
339; AX, SI, DI
340;--------------------------------------------------------------------
341.PrintRomBootHotkey:
342 mov ax, 'F' | ('8'<<8) ; F8
343 mov si, g_szRomBoot
344 ; Fall to PushHotkeyParamsAndFormat
345
346;--------------------------------------------------------------------
347; PushHotkeyParamsAndFormat
348; Parameters:
349; AL: First character
350; AH: Second character
351; CX: Key Attribute
352; DX: Description Attribute
353; CS:SI: Description string
354; Returns:
355; Nothing
356; Corrupts registers:
357; AX, SI, DI
358;--------------------------------------------------------------------
359ALIGN JUMP_ALIGN
360PushHotkeyParamsAndFormat:
361 push bp
362 mov bp, sp
363
364 push cx ; Key attribute
365 push ax ; First character
366 xchg al, ah
367 push ax ; Second character
368 push dx ; Description attribute
369 push si ; Description string
370 push cx ; Key attribute for last space
371 mov si, g_szHotkey
372
373BootMenuPrint_FormatCSSIfromParamsInSSBP_Relay:
374 jmp SHORT BootMenuPrint_FormatCSSIfromParamsInSSBP
375
376
377;--------------------------------------------------------------------
378; BootMenuPrint_InitializeDisplayContext
379; Parameters:
380; Nothing
381; Returns:
382; Nothing
383; Corrupts registers:
384; AX, DI
385;--------------------------------------------------------------------
386ALIGN JUMP_ALIGN
387BootMenuPrint_InitializeDisplayContext:
388 CALL_DISPLAY_LIBRARY InitializeDisplayContext
389 ret
390
391
392;--------------------------------------------------------------------
393; ConvertSectorCountInBXDXAXtoSizeAndPushForFormat
394; Parameters:
395; BX:DX:AX: Sector count
396; Returns:
397; Size in stack
398; Corrupts registers:
399; AX, BX, CX, DX, SI
400;--------------------------------------------------------------------
401ALIGN JUMP_ALIGN
402ConvertSectorCountInBXDXAXtoSizeAndPushForFormat:
403 pop si ; Pop return address
404 ePUSH_T cx, g_szCapacityNum ; Push format substring
405 call Size_ConvertSectorCountInBXDXAXtoKiB
406 mov cx, BYTE_MULTIPLES.kiB
407 call Size_GetSizeToAXAndCharToDLfromBXDXAXwithMagnitudeInCX
408 push ax ; Size in magnitude
409 push cx ; Tenths
410 push dx ; Magnitude character
411 jmp si
412
413
414FloppyTypes:
415.rgbCapacityMultiplier equ 20 ; Multiplier to reduce word sized values to byte size
416.rgbCapacity:
417 db 360 / FloppyTypes.rgbCapacityMultiplier ; type 1
418 db 1200 / FloppyTypes.rgbCapacityMultiplier ; type 2
419 db 720 / FloppyTypes.rgbCapacityMultiplier ; type 3
420 db 1440 / FloppyTypes.rgbCapacityMultiplier ; type 4
421 db 2880 / FloppyTypes.rgbCapacityMultiplier ; type 5
422 db 2880 / FloppyTypes.rgbCapacityMultiplier ; type 6
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