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source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Boot/BootMenuPrint.asm@ 198

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Last change on this file since 198 was 194, checked in by gregli@…, 13 years ago
ifdef'd out more unused code. Also added a tool for looking through the listing and the output of the precompiler to aid in finding dead code. Some changes in the files are to add annotations for the tool to avoid false positives.
File size: 15.5 KB

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1	; Project name : XTIDE Universal BIOS
2	; Description : Functions for printing boot menu strings.
3
4	; Section containing code
5	SECTION .text
6
7	;;;
8	;;; Fall-through from BootMenuEvent.asm!
9	;;; BootMenuPrint_FloppyMenuitem must be the first routine in this file
10	;;; (checked at assembler time with the code after BootMenuPrint_FloppyMenuitem)
11	;;;
12	;--------------------------------------------------------------------
13	; BootMenuPrint_FloppyMenuitem
14	; Parameters:
15	; DL: Untranslated Floppy Drive number
16	; SF: set for Information, clear for Item
17	; Returns:
18	; Nothing
19	; Corrupts registers:
20	; AX, DX, SI, DI
21	;--------------------------------------------------------------------
22	ALIGN JUMP_ALIGN
23	BootMenuPrint_FloppyMenuitem:
24	js short BootMenuPrint_FloppyMenuitemInformation
25	call PrintDriveNumberAfterTranslationFromDL
26	push bp
27	mov bp, sp
28	mov si, g_szFDLetter
29	ePUSH_T ax, g_szFloppyDrv
30	add dl, 'A'
31	push dx ; Drive letter
32	jmp short BootMenuPrint_FormatCSSIfromParamsInSSBP
33
34	%ifndef CHECK_FOR_UNUSED_ENTRYPOINTS
35	%if BootMenuPrint_FloppyMenuitem <> BootMenuEvent_FallThroughToFloppyMenuitem
36	%error "BootMenuPrint.asm must follow BootMenuEvent.asm, and BootMenuPrint_FloppyMenuitem must be the first routine in BootMenuPrint.asm"
37	%endif
38	%endif
39
40	;--------------------------------------------------------------------
41	; ConvertSectorCountInBXDXAXtoSizeAndPushForFormat
42	; Parameters:
43	; BX:DX:AX: Sector count
44	; Returns:
45	; Size in stack
46	; Corrupts registers:
47	; AX, BX, CX, DX, SI
48	;--------------------------------------------------------------------
49	ALIGN JUMP_ALIGN
50	ConvertSectorCountInBXDXAXtoSizeAndPushForFormat:
51	pop si ; Pop return address
52	call Size_ConvertSectorCountInBXDXAXtoKiB
53	mov cx, BYTE_MULTIPLES.kiB
54	call Size_GetSizeToAXAndCharToDLfromBXDXAXwithMagnitudeInCX
55	push ax ; Size in magnitude
56	push cx ; Tenths
57	push dx ; Magnitude character
58	jmp si
59
60
61	;--------------------------------------------------------------------
62	; Prints Boot Menu title strings.
63	;
64	; BootMenuPrint_TitleStrings
65	; Parameters:
66	; Nothing
67	; Returns:
68	; CF: Set since menu event handled
69	; Corrupts registers:
70	; AX, SI, DI
71	;--------------------------------------------------------------------
72	ALIGN JUMP_ALIGN
73	BootMenuPrint_TitleStrings:
74	mov si, ROMVARS.szTitle
75	call BootMenuPrint_NullTerminatedStringFromCSSIandSetCF
76	CALL_DISPLAY_LIBRARY PrintNewlineCharacters
77	mov si, ROMVARS.szVersion
78	; Fall to BootMenuPrint_NullTerminatedStringFromCSSIandSetCF
79
80
81	;--------------------------------------------------------------------
82	; BootMenuPrint_NullTerminatedStringFromCSSIandSetCF
83	; Parameters:
84	; CS:SI: Ptr to NULL terminated string to print
85	; Returns:
86	; CF: Set since menu event was handled successfully
87	; Corrupts registers:
88	; AX, DI
89	;--------------------------------------------------------------------
90	ALIGN JUMP_ALIGN
91	BootMenuPrint_NullTerminatedStringFromCSSIandSetCF:
92	;
93	; We send all CSSI strings through the Format routine for the case of
94	; compressed strings, but this doesn't hurt in the non-compressed case either
95	; (perhaps a little slower, but shouldn't be noticeable to the user)
96	; and results in smaller code size.
97	;
98	push bp
99	mov bp,sp
100	jmp short BootMenuPrint_FormatCSSIfromParamsInSSBP
101
102
103	;--------------------------------------------------------------------
104	; BootMenuPrint_HardDiskMenuitem
105	; Parameters:
106	; DL: Untranslated Hard Disk number
107	; DS: RAMVARS segment
108	; SF: set for Information, clear for Item
109	; Returns:
110	; CF: Set since menu event handled
111	; Corrupts registers:
112	; AX, BX, SI, DI
113	;--------------------------------------------------------------------
114	ALIGN JUMP_ALIGN
115	BootMenuPrint_HardDiskMenuitem:
116	js short BootMenuPrint_HardDiskMenuitemInformation
117	call PrintDriveNumberAfterTranslationFromDL
118	call RamVars_IsDriveHandledByThisBIOS
119	jnc SHORT .HardDiskMenuitemForForeignDrive
120	; Fall to .HardDiskMenuitemForOurDrive
121
122	;--------------------------------------------------------------------
123	; .HardDiskMenuitemForOurDrive
124	; Parameters:
125	; DL: Untranslated Hard Disk number
126	; DS: RAMVARS segment
127	; Returns:
128	; CF: Set since menu event handled
129	; Corrupts registers:
130	; AX, BX, SI, DI
131	;--------------------------------------------------------------------
132	.HardDiskMenuitemForOurDrive:
133	call BootInfo_GetOffsetToBX
134	lea si, [bx+BOOTNFO.szDrvName]
135	xor bx, bx ; BDA segment
136	CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromBXSI
137	stc
138	ret
139
140	;--------------------------------------------------------------------
141	; BootMenuPrint_HardDiskMenuitemForForeignDrive
142	; Parameters:
143	; DL: Untranslated Hard Disk number
144	; DS: RAMVARS segment
145	; Returns:
146	; CF: Set since menu event handled
147	; Corrupts registers:
148	; AX, SI, DI
149	;--------------------------------------------------------------------
150	ALIGN JUMP_ALIGN
151	.HardDiskMenuitemForForeignDrive:
152	mov si, g_szforeignHD
153	jmp SHORT BootMenuPrint_NullTerminatedStringFromCSSIandSetCF
154
155
156	;--------------------------------------------------------------------
157	; BootMenuPrint_FloppyMenuitemInformation
158	; Parameters:
159	; DL: Untranslated Floppy Drive number
160	; DS: RAMVARS segment
161	; Returns:
162	; CF: Set since menu event was handled successfully
163	; Corrupts registers:
164	; AX, BX, CX, DX, SI, DI, ES
165	;--------------------------------------------------------------------
166
167	FloppyTypes:
168	.rgbCapacityMultiplier equ 20 ; Multiplier to reduce word sized values to byte size
169	.rgbCapacity:
170	db 360 / FloppyTypes.rgbCapacityMultiplier ; type 1
171	db 1200 / FloppyTypes.rgbCapacityMultiplier ; type 2
172	db 720 / FloppyTypes.rgbCapacityMultiplier ; type 3
173	db 1440 / FloppyTypes.rgbCapacityMultiplier ; type 4
174	db 2880 / FloppyTypes.rgbCapacityMultiplier ; type 5
175	db 2880 / FloppyTypes.rgbCapacityMultiplier ; type 6
176
177	%ifndef CHECK_FOR_UNUSED_ENTRYPOINTS
178	%if g_szFddFiveQuarter <> g_szFddThreeHalf+g_szFddThreeFive_Displacement
179	%error "FddThreeFive_Displacement incorrect"
180	%endif
181	%endif
182
183	ALIGN JUMP_ALIGN
184	BootMenuPrint_FloppyMenuitemInformation:
185	call BootMenuPrint_ClearInformationArea
186	call FloppyDrive_GetType ; Get Floppy Drive type to BX
187
188	push bp
189	mov bp, sp
190	ePUSH_T ax, g_szCapacity
191
192	mov si, g_szFddSizeOr ; .PrintXTFloppyType
193	test bx, bx ; Two possibilities? (FLOPPY_TYPE_525_OR_35_DD)
194	jz SHORT .output
195
196	mov si, g_szFddUnknown ; .PrintUnknownFloppyType
197	cmp bl, FLOPPY_TYPE_35_ED
198	ja SHORT .output
199
200	; Fall to .PrintKnownFloppyType
201
202
203	;--------------------------------------------------------------------
204	; .PrintKnownFloppyType
205	; Parameters:
206	; BX: Floppy drive type
207	; Returns:
208	; CF: Set since menu event was handled successfully
209	; Corrupts registers:
210	; AX, BX, SI, DI
211	;
212	; Floppy Drive Types:
213	;
214	; 0 Handled above
215	; 1 FLOPPY_TYPE_525_DD 5 1/4 360K
216	; 2 FLOPPY_TYPE_525_HD 5 1/4 1.2M
217	; 3 FLOPPY_TYPE_35_DD 3 1/2 720K
218	; 4 FLOPPY_TYPE_35_HD 3 1/2 1.44M
219	; 5 3.5" ED on some BIOSes 3 1/2 2.88M
220	; 6 FLOPPY_TYPE_35_ED 3 1/2 2.88M
221	; >6 Unknwon, handled above
222	;
223	;--------------------------------------------------------------------
224	.PrintKnownFloppyType:
225	mov si, g_szFddSize
226
227	mov ax, g_szFddThreeHalf
228	cmp bl, FLOPPY_TYPE_525_HD
229	ja .ThreeHalf
230	%ifndef CHECK_FOR_UNUSED_ENTRYPOINTS
231	%if g_szFddThreeFive_Displacement = 2
232	inc ax ; compressed string case
233	inc ax
234	%else
235	add ax, g_szFddThreeFive_Displacement
236	%endif
237	%endif
238	.ThreeHalf:
239	push ax ; "5 1/4" or "3 1/2"
240
241	mov al,FloppyTypes.rgbCapacityMultiplier
242	mul byte [cs:bx+FloppyTypes.rgbCapacity - 1] ; -1 since 0 is handled above and not in the table
243	push ax
244
245	ALIGN JUMP_ALIGN
246	.output:
247	;;; fall-through
248
249	;--------------------------------------------------------------------
250	; BootMenuPrint_FormatCSSIfromParamsInSSBP
251	; Parameters:
252	; CS:SI: Ptr to string to format
253	; BP: SP before pushing parameters
254	; Returns:
255	; BP: Popped from stack
256	; Corrupts registers:
257	; AX, DI
258	;--------------------------------------------------------------------
259	ALIGN JUMP_ALIGN
260	BootMenuPrint_FormatCSSIfromParamsInSSBP:
261	CALL_DISPLAY_LIBRARY FormatNullTerminatedStringFromCSSI
262	stc ; Successfull return from menu event
263	pop bp
264	ret
265
266
267	;--------------------------------------------------------------------
268	; Prints Hard Disk Menuitem information strings.
269	;
270	; BootMenuPrint_HardDiskMenuitemInformation
271	; Parameters:
272	; DL: Untranslated Hard Disk number
273	; DS: RAMVARS segment
274	; Returns:
275	; CF: Set since menu event was handled successfully
276	; Corrupts registers:
277	; BX, CX, DX, SI, DI, ES
278	;--------------------------------------------------------------------
279	ALIGN JUMP_ALIGN
280	BootMenuPrint_HardDiskMenuitemInformation:
281	call RamVars_IsDriveHandledByThisBIOS
282	jnc SHORT .HardDiskMenuitemInfoForForeignDrive
283	call FindDPT_ForDriveNumber ; DS:DI to point DPT
284	; Fall to .HardDiskMenuitemInfoForOurDrive
285
286	;--------------------------------------------------------------------
287	; .HardDiskMenuitemInfoForOurDrive
288	; Parameters:
289	; DL: Untranslated Hard Disk number
290	; DS:DI: Ptr to DPT
291	; Returns:
292	; Nothing
293	; Corrupts registers:
294	; AX, BX, CX, DX, SI, DI, ES
295	;--------------------------------------------------------------------
296	.HardDiskMenuitemInfoForOurDrive:
297	push di
298	ePUSH_T ax, BootMenuPrintCfg_ForOurDrive ; Return from BootMenuPrint_FormatCSSIfromParamsInSSBP
299	push bp
300	mov bp, sp
301	ePUSH_T ax, g_szCapacity
302
303	; Get and push L-CHS size
304	mov [RAMVARS.bTimeoutTicksLeft], dl ; Store drive number
305	call AH15h_GetSectorCountToDXAX
306	call ConvertSectorCountInBXDXAXtoSizeAndPushForFormat
307
308	; Get and push total LBA size
309	mov dl, [RAMVARS.bTimeoutTicksLeft] ; Restore drive number
310	call BootInfo_GetTotalSectorCount
311	call ConvertSectorCountInBXDXAXtoSizeAndPushForFormat
312
313	mov si, g_szSizeDual
314	jmp SHORT BootMenuPrint_FormatCSSIfromParamsInSSBP
315
316
317	;--------------------------------------------------------------------
318	; .HardDiskMenuitemInfoForForeignDrive
319	; Parameters:
320	; DL: Untranslated Hard Disk number
321	; DS: RAMVARS segment
322	; Returns:
323	; CF: Set since menu event was handled successfully
324	; Corrupts registers:
325	; AX, BX, CX, DX, SI, DI
326	;--------------------------------------------------------------------
327	ALIGN JUMP_ALIGN
328	.HardDiskMenuitemInfoForForeignDrive:
329	push bp
330	mov bp, sp
331	ePUSH_T ax, g_szCapacity
332
333	call DriveXlate_ToOrBack
334	call AH15h_GetSectorCountFromForeignDriveToDXAX
335	call ConvertSectorCountInBXDXAXtoSizeAndPushForFormat
336
337	mov si, g_szSizeSingle
338	jmp SHORT BootMenuPrint_FormatCSSIfromParamsInSSBP
339
340
341	;--------------------------------------------------------------------
342	; BootMenuPrint_ClearInformationArea
343	; Parameters:
344	; Nothing
345	; Returns:
346	; CF: Set
347	; Corrupts registers:
348	; AX, DI
349	;--------------------------------------------------------------------
350	ALIGN JUMP_ALIGN
351	BootMenuPrint_ClearInformationArea:
352	CALL_MENU_LIBRARY ClearInformationArea
353	stc
354	ret
355
356
357	;--------------------------------------------------------------------
358	; BootMenuPrint_ClearScreen
359	; Parameters:
360	; Nothing
361	; Returns:
362	; Nothing
363	; Corrupts registers:
364	; AX, DI
365	;--------------------------------------------------------------------
366	ALIGN JUMP_ALIGN
367	BootMenuPrint_ClearScreen:
368	call BootMenuPrint_InitializeDisplayContext
369	xor ax, ax
370	CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX
371	mov ax, ' ' \| (MONO_NORMAL<<8)
372	CALL_DISPLAY_LIBRARY ClearScreenWithCharInALandAttrInAH
373	ret
374
375
376	;--------------------------------------------------------------------
377	; PrintDriveNumberAfterTranslationFromDL
378	; Parameters:
379	; DL: Untranslated Floppy Drive number
380	; DS: RAMVARS segment
381	; Returns:
382	; Nothing
383	; Corrupts registers:
384	; AX, DI
385	;--------------------------------------------------------------------
386	ALIGN JUMP_ALIGN
387	PrintDriveNumberAfterTranslationFromDL:
388	mov ax, dx
389	call DriveXlate_ToOrBack
390	xchg dx, ax ; Restore DX, WORD to print in AL
391	xor ah, ah
392	push bp
393	mov bp, sp
394	mov si, g_szDriveNum
395	push ax
396
397	BootMenuPrint_FormatCSSIfromParamsInSSBP_Relay:
398	jmp SHORT BootMenuPrint_FormatCSSIfromParamsInSSBP
399
400
401	;--------------------------------------------------------------------
402	; BootMenuPrint_TheBottomOfScreen
403	; Parameters:
404	; DS: RAMVARS segment
405	; Returns:
406	; Nothing
407	; Corrupts registers:
408	; AX, BX, CX, DX, SI, DI
409	;--------------------------------------------------------------------
410	ALIGN JUMP_ALIGN
411	BootMenuPrint_TheBottomOfScreen:
412	call FloppyDrive_GetCountToCX
413	mov bl, cl ; Floppy Drive count to BL
414	call RamVars_GetHardDiskCountFromBDAtoCX
415	mov bh, cl ; Hard Disk count to BH
416	; Fall to .MoveCursorToHotkeyStrings
417
418	;--------------------------------------------------------------------
419	; .MoveCursorToHotkeyStrings
420	; Parameters:
421	; Nothing
422	; Returns:
423	; Nothing
424	; Corrupts registers:
425	; AX, DI
426	;--------------------------------------------------------------------
427	.MoveCursorToHotkeyStrings:
428	CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH
429	xor al, al
430	dec ah
431	CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX
432	; Fall to .PrintHotkeyString
433
434	;--------------------------------------------------------------------
435	; .PrintHotkeyString
436	; Parameters:
437	; BL: Floppy Drives
438	; BH: Hard Drives
439	; Returns:
440	; Nothing
441	; Corrupts registers:
442	; AX, CX, DX, SI, DI
443	;--------------------------------------------------------------------
444	.PrintHotkeyString:
445	; Display Library should not be called like this
446	mov si, ATTRIBUTE_CHARS.cHighlightedItem
447	call MenuAttribute_GetToAXfromTypeInSI
448	xchg dx, ax
449	mov cx, MONO_BRIGHT
450
451	test bl, bl ; Any Floppy Drives?
452	jz SHORT .SkipFloppyDriveHotkeys
453	mov ax, 'A' \| (ANGLE_QUOTE_RIGHT<<8)
454	mov si, g_szFDD
455	call PushHotkeyParamsAndFormat
456
457	.SkipFloppyDriveHotkeys:
458	test bh, bh ; Any Hard Drives?
459	jz SHORT .SkipHardDriveHotkeys
460	xchg ax, cx ; Store Key Attribute
461	call BootMenu_GetLetterForFirstHardDiskToCL
462	mov ch, ANGLE_QUOTE_RIGHT
463	xchg ax, cx
464	mov si, g_szHDD
465	call PushHotkeyParamsAndFormat
466
467	.SkipHardDriveHotkeys:
468	; Fall to .PrintRomBootHotkey
469
470	;--------------------------------------------------------------------
471	; .PrintRomBootHotkey
472	; Parameters:
473	; CX: Key Attribute
474	; DX: Description Attribute
475	; Returns:
476	; Nothing
477	; Corrupts registers:
478	; AX, SI, DI
479	;--------------------------------------------------------------------
480	.PrintRomBootHotkey:
481	mov ax, 'F' \| ('8'<<8) ; F8
482	mov si, g_szRomBoot
483	; Fall to PushHotkeyParamsAndFormat
484
485	;--------------------------------------------------------------------
486	; PushHotkeyParamsAndFormat
487	; Parameters:
488	; AL: First character
489	; AH: Second character
490	; CX: Key Attribute
491	; DX: Description Attribute
492	; CS:SI: Description string
493	; Returns:
494	; Nothing
495	; Corrupts registers:
496	; AX, SI, DI
497	;--------------------------------------------------------------------
498	ALIGN JUMP_ALIGN
499	PushHotkeyParamsAndFormat:
500	push bp
501	mov bp, sp
502
503	push cx ; Key attribute
504	push ax ; First character
505	xchg al, ah
506	push ax ; Second character
507	push dx ; Description attribute
508	push si ; Description string
509	push cx ; Key attribute for last space
510	mov si, g_szHotkey
511	jmp SHORT BootMenuPrint_FormatCSSIfromParamsInSSBP_Relay
512
513
514	;--------------------------------------------------------------------
515	; BootMenuPrint_InitializeDisplayContext
516	; Parameters:
517	; Nothing
518	; Returns:
519	; Nothing
520	; Corrupts registers:
521	; AX, DI
522	;--------------------------------------------------------------------
523	ALIGN JUMP_ALIGN
524	BootMenuPrint_InitializeDisplayContext:
525	CALL_DISPLAY_LIBRARY InitializeDisplayContext
526	ret
527
528
529
530
531
532

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