source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Boot/BootMenuPrint.asm@ 258

Last change on this file since 258 was 258, checked in by gregli@…, 13 years ago

Added floppy drive emulation over the serial connection (MODULE_SERIAL_FLOPPY). Along the way, various optimizations were made to stay within the 8K ROM size target. Also, serial code now returns the number of sectors transferred.
File size: 12.0 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 jc .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_RefreshInformation.FormatRelay
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_RefreshInformation.FormatRelay
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 mov si, g_szCapacity ; Setup print string now, carries through to print call
113
114 xor di, di
115 call RamVars_IsDriveHandledByThisBIOS
116 jc SHORT .notours
117 call FindDPT_ForDriveNumber ; DS:DI to point DPT
118.notours:
119
120 test dl, dl ; are we a hard disk?
121 js BootMenuPrint_HardDiskRefreshInformation
122
123 test di,di
124 jnz .ours
125 call FloppyDrive_GetType ; Get Floppy Drive type to BX
126 jmp .around
127.ours:
128 call AH8h_GetDriveParameters
129.around:
130
131 mov ax, g_szFddSizeOr ; .PrintXTFloppyType
132 test bl, bl ; Two possibilities? (FLOPPY_TYPE_525_OR_35_DD)
133 jz SHORT .PushAXAndOutput
134
135 mov al, (g_szFddUnknown - $$) & 0xff ; .PrintUnknownFloppyType
136 cmp bl, FLOPPY_TYPE_35_ED
137 ja SHORT .PushAXAndOutput
138
139 ; Fall to .PrintKnownFloppyType
140
141;--------------------------------------------------------------------
142; .PrintKnownFloppyType
143; Parameters:
144; BX: Floppy drive type
145; Returns:
146; CF: Set since menu event was handled successfully
147; Corrupts registers:
148; AX, BX, SI, DI
149;
150; Floppy Drive Types:
151;
152; 0 Handled above
153; 1 FLOPPY_TYPE_525_DD 5 1/4 360K
154; 2 FLOPPY_TYPE_525_HD 5 1/4 1.2M
155; 3 FLOPPY_TYPE_35_DD 3 1/2 720K
156; 4 FLOPPY_TYPE_35_HD 3 1/2 1.44M
157; 5 3.5" ED on some BIOSes 3 1/2 2.88M
158; 6 FLOPPY_TYPE_35_ED 3 1/2 2.88M
159; >6 Unknwon, handled above
160;
161;--------------------------------------------------------------------
162.PrintKnownFloppyType:
163 mov al, (g_szFddSize - $$) & 0xff
164 push ax
165
166 mov al, (g_szFddThreeHalf - $$) & 0xff
167 cmp bl, FLOPPY_TYPE_525_HD
168 ja .ThreeHalf
169 mov al, (g_szFddFiveQuarter - $$) & 0xff
170.ThreeHalf:
171 push ax ; "5 1/4" or "3 1/2"
172
173 mov al,FloppyTypes.rgbCapacityMultiplier
174 mov bh, 0
175 mul byte [cs:bx+FloppyTypes.rgbCapacity - 1] ; -1 since 0 is handled above and not in the table
176
177.PushAXAndOutput:
178 push ax
179
180.FormatRelay:
181 jmp short BootMenuPrint_FormatCSSIfromParamsInSSBP
182
183
184;--------------------------------------------------------------------
185; Prints Hard Disk Menuitem information strings.
186;
187; BootMenuPrint_HardDiskMenuitemInformation
188; Parameters:
189; DL: Untranslated Hard Disk number
190; DS: RAMVARS segment
191; Returns:
192; CF: Set since menu event was handled successfully
193; Corrupts registers:
194; BX, CX, DX, SI, DI, ES
195;--------------------------------------------------------------------
196ALIGN JUMP_ALIGN
197BootMenuPrint_HardDiskRefreshInformation:
198 test di,di
199 jz .HardDiskMenuitemInfoForForeignDrive
200
201.HardDiskMenuitemInfoForOurDrive:
202 ePUSH_T ax, g_szInformation
203
204 ; Get and push total LBA size
205 call BootMenuInfo_GetTotalSectorCount
206 jmp .ConvertSectorCountInBXDXAXtoSizeAndPushForFormat
207
208.HardDiskMenuitemInfoForForeignDrive:
209 call DriveXlate_ToOrBack
210 call AH15h_GetSectorCountFromForeignDriveToDXAX
211
212.ConvertSectorCountInBXDXAXtoSizeAndPushForFormat:
213 ePUSH_T cx, g_szCapacityNum ; Push format substring
214 call Size_ConvertSectorCountInBXDXAXtoKiB
215 mov cx, BYTE_MULTIPLES.kiB
216 call Size_GetSizeToAXAndCharToDLfromBXDXAXwithMagnitudeInCX
217 push ax ; Size in magnitude
218 push cx ; Tenths
219 push dx ; Magnitude character
220
221 test di,di
222 jz short BootMenuPrint_FormatCSSIfromParamsInSSBP
223
224%include "BootMenuPrintCfg.asm" ; inline of code to fill out remainder of information string
225
226;;; fall-through to BootMenuPrint_FormatCSSIfromParamsInSSBP
227
228
229;--------------------------------------------------------------------
230; BootMenuPrint_FormatCSSIfromParamsInSSBP
231; Parameters:
232; CS:SI: Ptr to string to format
233; BP: SP before pushing parameters
234; Returns:
235; BP: Popped from stack
236; CF: Set since menu event was handled successfully
237; Corrupts registers:
238; AX, DI
239;--------------------------------------------------------------------
240ALIGN JUMP_ALIGN
241BootMenuPrint_FormatCSSIfromParamsInSSBP:
242 CALL_DISPLAY_LIBRARY FormatNullTerminatedStringFromCSSI
243 stc ; Successfull return from menu event
244 pop bp
245 ret
246
247
248;--------------------------------------------------------------------
249; BootMenuPrint_ClearScreen
250; Parameters:
251; Nothing
252; Returns:
253; Nothing
254; Corrupts registers:
255; AX, DI
256;--------------------------------------------------------------------
257ALIGN JUMP_ALIGN
258BootMenuPrint_ClearScreen:
259 call BootMenuPrint_InitializeDisplayContext
260 xor ax, ax
261 CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX
262 mov ax, ' ' | (MONO_NORMAL<<8)
263 CALL_DISPLAY_LIBRARY ClearScreenWithCharInALandAttrInAH
264 ret
265
266
267;--------------------------------------------------------------------
268; BootMenuPrint_TheBottomOfScreen
269; Parameters:
270; DS: RAMVARS segment
271; Returns:
272; Nothing
273; Corrupts registers:
274; AX, BX, CX, DX, SI, DI
275;--------------------------------------------------------------------
276ALIGN JUMP_ALIGN
277BootMenuPrint_TheBottomOfScreen:
278 call FloppyDrive_GetCountToAX
279 xchg bx, ax ; Floppy Drive count to BL
280 call RamVars_GetHardDiskCountFromBDAtoAX
281 mov bh, al ; Hard Disk count to BH
282 ; Fall to .MoveCursorToHotkeyStrings
283
284;--------------------------------------------------------------------
285; .MoveCursorToHotkeyStrings
286; Parameters:
287; Nothing
288; Returns:
289; Nothing
290; Corrupts registers:
291; AX, DI
292;--------------------------------------------------------------------
293.MoveCursorToHotkeyStrings:
294 CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH
295 xor al, al
296 dec ah
297 CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX
298 ; Fall to .PrintHotkeyString
299
300;--------------------------------------------------------------------
301; .PrintHotkeyString
302; Parameters:
303; BL: Floppy Drives
304; BH: Hard Drives
305; Returns:
306; Nothing
307; Corrupts registers:
308; AX, CX, DX, SI, DI
309;--------------------------------------------------------------------
310.PrintHotkeyString:
311 ; Display Library should not be called like this
312 mov si, ATTRIBUTE_CHARS.cHighlightedItem
313 call MenuAttribute_GetToAXfromTypeInSI
314 xchg dx, ax
315 mov cx, MONO_BRIGHT
316
317 test bl, bl ; Any Floppy Drives?
318 jz SHORT .SkipFloppyDriveHotkeys
319 mov ax, 'A' | (ANGLE_QUOTE_RIGHT<<8)
320 mov si, g_szFDD
321 call PushHotkeyParamsAndFormat
322
323.SkipFloppyDriveHotkeys:
324 test bh, bh ; Any Hard Drives?
325 jz SHORT .SkipHardDriveHotkeys
326 call BootMenu_GetLetterForFirstHardDiskToAL
327 mov ah, ANGLE_QUOTE_RIGHT
328 mov si, g_szHDD
329 call PushHotkeyParamsAndFormat
330
331.SkipHardDriveHotkeys:
332 ; Fall to .PrintRomBootHotkey
333
334;--------------------------------------------------------------------
335; .PrintRomBootHotkey
336; Parameters:
337; CX: Key Attribute
338; DX: Description Attribute
339; Returns:
340; Nothing
341; Corrupts registers:
342; AX, SI, DI
343;--------------------------------------------------------------------
344.PrintRomBootHotkey:
345 mov ax, 'F' | ('8'<<8) ; F8
346 mov si, g_szRomBoot
347 ; Fall to PushHotkeyParamsAndFormat
348
349;--------------------------------------------------------------------
350; PushHotkeyParamsAndFormat
351; Parameters:
352; AL: First character
353; AH: Second character
354; CX: Key Attribute
355; DX: Description Attribute
356; CS:SI: Description string
357; Returns:
358; Nothing
359; Corrupts registers:
360; AX, SI, DI
361;--------------------------------------------------------------------
362ALIGN JUMP_ALIGN
363PushHotkeyParamsAndFormat:
364 push bp
365 mov bp, sp
366
367 push cx ; Key attribute
368 push ax ; First character
369 xchg al, ah
370 push ax ; Second character
371 push dx ; Description attribute
372 push si ; Description string
373 push cx ; Key attribute for last space
374 mov si, g_szHotkey
375
376BootMenuPrint_FormatCSSIfromParamsInSSBP_Relay:
377 jmp SHORT BootMenuPrint_FormatCSSIfromParamsInSSBP
378
379
380;--------------------------------------------------------------------
381; BootMenuPrint_InitializeDisplayContext
382; Parameters:
383; Nothing
384; Returns:
385; Nothing
386; Corrupts registers:
387; AX, DI
388;--------------------------------------------------------------------
389ALIGN JUMP_ALIGN
390BootMenuPrint_InitializeDisplayContext:
391 CALL_DISPLAY_LIBRARY InitializeDisplayContext
392 ret
393
394
395FloppyTypes:
396.rgbCapacityMultiplier equ 20 ; Multiplier to reduce word sized values to byte size
397.rgbCapacity:
398 db 360 / FloppyTypes.rgbCapacityMultiplier ; type 1
399 db 1200 / FloppyTypes.rgbCapacityMultiplier ; type 2
400 db 720 / FloppyTypes.rgbCapacityMultiplier ; type 3
401 db 1440 / FloppyTypes.rgbCapacityMultiplier ; type 4
402 db 2880 / FloppyTypes.rgbCapacityMultiplier ; type 5
403 db 2880 / FloppyTypes.rgbCapacityMultiplier ; type 6
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