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source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Boot/BootMenuPrint.asm@ 196

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Last change on this file since 196 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

Rev	Line
[88]	1	; Project name : XTIDE Universal BIOS
[3]	2	; Description : Functions for printing boot menu strings.
	3
	4	; Section containing code
	5	SECTION .text
	6
[189]	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	;;;
[3]	12	;--------------------------------------------------------------------
[189]	13	; BootMenuPrint_FloppyMenuitem
	14	; Parameters:
	15	; DL: Untranslated Floppy Drive number
[190]	16	; SF: set for Information, clear for Item
[189]	17	; Returns:
	18	; Nothing
	19	; Corrupts registers:
	20	; AX, DX, SI, DI
	21	;--------------------------------------------------------------------
	22	ALIGN JUMP_ALIGN
	23	BootMenuPrint_FloppyMenuitem:
[192]	24	js short BootMenuPrint_FloppyMenuitemInformation
[189]	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
[192]	32	jmp short BootMenuPrint_FormatCSSIfromParamsInSSBP
[189]	33
[194]	34	%ifndef CHECK_FOR_UNUSED_ENTRYPOINTS
[189]	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
[194]	38	%endif
[189]	39
	40	;--------------------------------------------------------------------
[192]	41	; ConvertSectorCountInBXDXAXtoSizeAndPushForFormat
[130]	42	; Parameters:
[192]	43	; BX:DX:AX: Sector count
[130]	44	; Returns:
[192]	45	; Size in stack
[130]	46	; Corrupts registers:
[192]	47	; AX, BX, CX, DX, SI
[130]	48	;--------------------------------------------------------------------
	49	ALIGN JUMP_ALIGN
[192]	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
[130]	59
	60
	61	;--------------------------------------------------------------------
[88]	62	; Prints Boot Menu title strings.
[3]	63	;
[88]	64	; BootMenuPrint_TitleStrings
[3]	65	; Parameters:
[88]	66	; Nothing
[3]	67	; Returns:
[88]	68	; CF: Set since menu event handled
[3]	69	; Corrupts registers:
[88]	70	; AX, SI, DI
[3]	71	;--------------------------------------------------------------------
	72	ALIGN JUMP_ALIGN
[88]	73	BootMenuPrint_TitleStrings:
	74	mov si, ROMVARS.szTitle
[96]	75	call BootMenuPrint_NullTerminatedStringFromCSSIandSetCF
	76	CALL_DISPLAY_LIBRARY PrintNewlineCharacters
[88]	77	mov si, ROMVARS.szVersion
[161]	78	; Fall to BootMenuPrint_NullTerminatedStringFromCSSIandSetCF
[3]	79
	80
	81	;--------------------------------------------------------------------
[128]	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:
[186]	88	; AX, DI
[128]	89	;--------------------------------------------------------------------
	90	ALIGN JUMP_ALIGN
	91	BootMenuPrint_NullTerminatedStringFromCSSIandSetCF:
[186]	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
[192]	100	jmp short BootMenuPrint_FormatCSSIfromParamsInSSBP
[128]	101
[192]	102
[128]	103	;--------------------------------------------------------------------
[3]	104	; BootMenuPrint_HardDiskMenuitem
	105	; Parameters:
	106	; DL: Untranslated Hard Disk number
	107	; DS: RAMVARS segment
[190]	108	; SF: set for Information, clear for Item
[3]	109	; Returns:
[88]	110	; CF: Set since menu event handled
[3]	111	; Corrupts registers:
[88]	112	; AX, BX, SI, DI
[3]	113	;--------------------------------------------------------------------
	114	ALIGN JUMP_ALIGN
	115	BootMenuPrint_HardDiskMenuitem:
[192]	116	js short BootMenuPrint_HardDiskMenuitemInformation
[135]	117	call PrintDriveNumberAfterTranslationFromDL
[150]	118	call RamVars_IsDriveHandledByThisBIOS
[88]	119	jnc SHORT .HardDiskMenuitemForForeignDrive
	120	; Fall to .HardDiskMenuitemForOurDrive
[3]	121
	122	;--------------------------------------------------------------------
[88]	123	; .HardDiskMenuitemForOurDrive
[3]	124	; Parameters:
	125	; DL: Untranslated Hard Disk number
	126	; DS: RAMVARS segment
	127	; Returns:
[88]	128	; CF: Set since menu event handled
[3]	129	; Corrupts registers:
[88]	130	; AX, BX, SI, DI
[3]	131	;--------------------------------------------------------------------
[88]	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
[3]	139
	140	;--------------------------------------------------------------------
[88]	141	; BootMenuPrint_HardDiskMenuitemForForeignDrive
[3]	142	; Parameters:
	143	; DL: Untranslated Hard Disk number
	144	; DS: RAMVARS segment
	145	; Returns:
[88]	146	; CF: Set since menu event handled
[3]	147	; Corrupts registers:
[88]	148	; AX, SI, DI
[3]	149	;--------------------------------------------------------------------
	150	ALIGN JUMP_ALIGN
[88]	151	.HardDiskMenuitemForForeignDrive:
	152	mov si, g_szforeignHD
[128]	153	jmp SHORT BootMenuPrint_NullTerminatedStringFromCSSIandSetCF
[3]	154
	155
	156	;--------------------------------------------------------------------
	157	; BootMenuPrint_FloppyMenuitemInformation
	158	; Parameters:
	159	; DL: Untranslated Floppy Drive number
	160	; DS: RAMVARS segment
	161	; Returns:
[88]	162	; CF: Set since menu event was handled successfully
[3]	163	; Corrupts registers:
[88]	164	; AX, BX, CX, DX, SI, DI, ES
[3]	165	;--------------------------------------------------------------------
[192]	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
[194]	177	%ifndef CHECK_FOR_UNUSED_ENTRYPOINTS
[192]	178	%if g_szFddFiveQuarter <> g_szFddThreeHalf+g_szFddThreeFive_Displacement
	179	%error "FddThreeFive_Displacement incorrect"
	180	%endif
[194]	181	%endif
[192]	182
[3]	183	ALIGN JUMP_ALIGN
	184	BootMenuPrint_FloppyMenuitemInformation:
[88]	185	call BootMenuPrint_ClearInformationArea
	186	call FloppyDrive_GetType ; Get Floppy Drive type to BX
[182]	187
[161]	188	push bp
	189	mov bp, sp
[182]	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
[3]	197	cmp bl, FLOPPY_TYPE_35_ED
[182]	198	ja SHORT .output
	199
[161]	200	; Fall to .PrintKnownFloppyType
[3]	201
[161]	202
[3]	203	;--------------------------------------------------------------------
[161]	204	; .PrintKnownFloppyType
[3]	205	; Parameters:
[161]	206	; BX: Floppy drive type
[3]	207	; Returns:
[88]	208	; CF: Set since menu event was handled successfully
[3]	209	; Corrupts registers:
[161]	210	; AX, BX, SI, DI
[182]	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	;
[3]	223	;--------------------------------------------------------------------
[161]	224	.PrintKnownFloppyType:
	225	mov si, g_szFddSize
[182]	226
	227	mov ax, g_szFddThreeHalf
	228	cmp bl, FLOPPY_TYPE_525_HD
	229	ja .ThreeHalf
[194]	230	%ifndef CHECK_FOR_UNUSED_ENTRYPOINTS
[186]	231	%if g_szFddThreeFive_Displacement = 2
	232	inc ax ; compressed string case
	233	inc ax
	234	%else
[182]	235	add ax, g_szFddThreeFive_Displacement
[186]	236	%endif
[194]	237	%endif
[182]	238	.ThreeHalf:
	239	push ax ; "5 1/4" or "3 1/2"
[3]	240
[182]	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
[161]	244
[182]	245	ALIGN JUMP_ALIGN
[192]	246	.output:
	247	;;; fall-through
[88]	248
[3]	249	;--------------------------------------------------------------------
[192]	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	;--------------------------------------------------------------------
[3]	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:
[88]	275	; CF: Set since menu event was handled successfully
[3]	276	; Corrupts registers:
	277	; BX, CX, DX, SI, DI, ES
	278	;--------------------------------------------------------------------
	279	ALIGN JUMP_ALIGN
	280	BootMenuPrint_HardDiskMenuitemInformation:
[150]	281	call RamVars_IsDriveHandledByThisBIOS
	282	jnc SHORT .HardDiskMenuitemInfoForForeignDrive
[3]	283	call FindDPT_ForDriveNumber ; DS:DI to point DPT
[127]	284	; Fall to .HardDiskMenuitemInfoForOurDrive
[3]	285
	286	;--------------------------------------------------------------------
[127]	287	; .HardDiskMenuitemInfoForOurDrive
[3]	288	; Parameters:
	289	; DL: Untranslated Hard Disk number
[127]	290	; DS:DI: Ptr to DPT
[3]	291	; Returns:
[127]	292	; Nothing
[3]	293	; Corrupts registers:
[127]	294	; AX, BX, CX, DX, SI, DI, ES
[3]	295	;--------------------------------------------------------------------
[127]	296	.HardDiskMenuitemInfoForOurDrive:
	297	push di
	298	ePUSH_T ax, BootMenuPrintCfg_ForOurDrive ; Return from BootMenuPrint_FormatCSSIfromParamsInSSBP
[88]	299	push bp
	300	mov bp, sp
	301	ePUSH_T ax, g_szCapacity
	302
[127]	303	; Get and push L-CHS size
[155]	304	mov [RAMVARS.bTimeoutTicksLeft], dl ; Store drive number
[150]	305	call AH15h_GetSectorCountToDXAX
[88]	306	call ConvertSectorCountInBXDXAXtoSizeAndPushForFormat
	307
[127]	308	; Get and push total LBA size
[155]	309	mov dl, [RAMVARS.bTimeoutTicksLeft] ; Restore drive number
[127]	310	call BootInfo_GetTotalSectorCount
	311	call ConvertSectorCountInBXDXAXtoSizeAndPushForFormat
	312
	313	mov si, g_szSizeDual
[88]	314	jmp SHORT BootMenuPrint_FormatCSSIfromParamsInSSBP
[3]	315
[127]	316
[3]	317	;--------------------------------------------------------------------
[127]	318	; .HardDiskMenuitemInfoForForeignDrive
[3]	319	; Parameters:
	320	; DL: Untranslated Hard Disk number
[127]	321	; DS: RAMVARS segment
[3]	322	; Returns:
[127]	323	; CF: Set since menu event was handled successfully
[3]	324	; Corrupts registers:
[127]	325	; AX, BX, CX, DX, SI, DI
[3]	326	;--------------------------------------------------------------------
	327	ALIGN JUMP_ALIGN
[127]	328	.HardDiskMenuitemInfoForForeignDrive:
[88]	329	push bp
	330	mov bp, sp
	331	ePUSH_T ax, g_szCapacity
[3]	332
[127]	333	call DriveXlate_ToOrBack
[150]	334	call AH15h_GetSectorCountFromForeignDriveToDXAX
[88]	335	call ConvertSectorCountInBXDXAXtoSizeAndPushForFormat
	336
[127]	337	mov si, g_szSizeSingle
[192]	338	jmp SHORT BootMenuPrint_FormatCSSIfromParamsInSSBP
[3]	339
[192]	340
[3]	341	;--------------------------------------------------------------------
[192]	342	; BootMenuPrint_ClearInformationArea
[88]	343	; Parameters:
[192]	344	; Nothing
[88]	345	; Returns:
[192]	346	; CF: Set
[88]	347	; Corrupts registers:
[120]	348	; AX, DI
[88]	349	;--------------------------------------------------------------------
	350	ALIGN JUMP_ALIGN
[192]	351	BootMenuPrint_ClearInformationArea:
	352	CALL_MENU_LIBRARY ClearInformationArea
	353	stc
[88]	354	ret
	355
[192]	356
[88]	357	;--------------------------------------------------------------------
[192]	358	; BootMenuPrint_ClearScreen
[88]	359	; Parameters:
[192]	360	; Nothing
[88]	361	; Returns:
[192]	362	; Nothing
[88]	363	; Corrupts registers:
[192]	364	; AX, DI
[88]	365	;--------------------------------------------------------------------
	366	ALIGN JUMP_ALIGN
[192]	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
[88]	374
[192]	375
[88]	376	;--------------------------------------------------------------------
[192]	377	; PrintDriveNumberAfterTranslationFromDL
[88]	378	; Parameters:
[192]	379	; DL: Untranslated Floppy Drive number
	380	; DS: RAMVARS segment
	381	; Returns:
[88]	382	; Nothing
	383	; Corrupts registers:
	384	; AX, DI
	385	;--------------------------------------------------------------------
	386	ALIGN JUMP_ALIGN
[192]	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
[88]	399
	400
	401	;--------------------------------------------------------------------
	402	; BootMenuPrint_TheBottomOfScreen
[3]	403	; Parameters:
	404	; DS: RAMVARS segment
	405	; Returns:
[88]	406	; Nothing
[3]	407	; Corrupts registers:
[92]	408	; AX, BX, CX, DX, SI, DI
[3]	409	;--------------------------------------------------------------------
	410	ALIGN JUMP_ALIGN
[88]	411	BootMenuPrint_TheBottomOfScreen:
[124]	412	call FloppyDrive_GetCountToCX
[88]	413	mov bl, cl ; Floppy Drive count to BL
	414	call RamVars_GetHardDiskCountFromBDAtoCX
	415	mov bh, cl ; Hard Disk count to BH
[92]	416	; Fall to .MoveCursorToHotkeyStrings
[3]	417
[92]	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
[3]	433
	434	;--------------------------------------------------------------------
[92]	435	; .PrintHotkeyString
[3]	436	; Parameters:
[92]	437	; BL: Floppy Drives
	438	; BH: Hard Drives
[88]	439	; Returns:
[92]	440	; Nothing
[88]	441	; Corrupts registers:
[120]	442	; AX, CX, DX, SI, DI
[88]	443	;--------------------------------------------------------------------
[92]	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
[122]	449	mov cx, MONO_BRIGHT
[88]	450
[92]	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
[88]	456
[92]	457	.SkipFloppyDriveHotkeys:
	458	test bh, bh ; Any Hard Drives?
	459	jz SHORT .SkipHardDriveHotkeys
[122]	460	xchg ax, cx ; Store Key Attribute
[92]	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
[88]	470	;--------------------------------------------------------------------
[92]	471	; .PrintRomBootHotkey
[88]	472	; Parameters:
[92]	473	; CX: Key Attribute
	474	; DX: Description Attribute
[3]	475	; Returns:
[88]	476	; Nothing
[3]	477	; Corrupts registers:
[120]	478	; AX, SI, DI
[3]	479	;--------------------------------------------------------------------
[92]	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:
[120]	496	; AX, SI, DI
[92]	497	;--------------------------------------------------------------------
[3]	498	ALIGN JUMP_ALIGN
[92]	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
[192]	511	jmp SHORT BootMenuPrint_FormatCSSIfromParamsInSSBP_Relay
[161]	512
[182]	513
[192]	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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