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source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Boot/BootMenuPrint.asm@ 245

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Last change on this file since 245 was 243, checked in by aitotat@…, 13 years ago

Changes to XTIDE Universal BIOS:

Brought back optional "A then C" boot loader.
Now there is only one INT 19h handler that remains unchanged.

File size: 12.9 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
	7	;--------------------------------------------------------------------
[241]	8	; BootMenuPrint_RefreshItem
	9	;
[189]	10	; Parameters:
	11	; DL: Untranslated Floppy Drive number
	12	; Returns:
	13	; Nothing
	14	; Corrupts registers:
[241]	15	; AX, BX, DX, SI, DI
[189]	16	;--------------------------------------------------------------------
	17	ALIGN JUMP_ALIGN
[241]	18	BootMenuPrint_RefreshItem:
	19	call BootMenu_GetDriveToDXforMenuitemInCX_And_RamVars_GetSegmentToDS
	20	jnc BootMenuEvent_EventCompleted ; if no menu item selected, out we go
	21
[189]	22	push bp
	23	mov bp, sp
	24
[241]	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 BootInfo_ConvertDPTtoBX
	30	mov si, g_szDriveNumBOOTNFO ; special g_szDriveNum that prints from BDA
	31	jmp .go
[189]	32
[241]	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
[130]	50
	51	;--------------------------------------------------------------------
[88]	52	; Prints Boot Menu title strings.
[3]	53	;
[88]	54	; BootMenuPrint_TitleStrings
[3]	55	; Parameters:
[88]	56	; Nothing
[3]	57	; Returns:
[88]	58	; CF: Set since menu event handled
[3]	59	; Corrupts registers:
[88]	60	; AX, SI, DI
[3]	61	;--------------------------------------------------------------------
	62	ALIGN JUMP_ALIGN
[88]	63	BootMenuPrint_TitleStrings:
	64	mov si, ROMVARS.szTitle
[96]	65	call BootMenuPrint_NullTerminatedStringFromCSSIandSetCF
	66	CALL_DISPLAY_LIBRARY PrintNewlineCharacters
[88]	67	mov si, ROMVARS.szVersion
[161]	68	; Fall to BootMenuPrint_NullTerminatedStringFromCSSIandSetCF
[3]	69
	70	;--------------------------------------------------------------------
[128]	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:
[186]	77	; AX, DI
[128]	78	;--------------------------------------------------------------------
	79	ALIGN JUMP_ALIGN
	80	BootMenuPrint_NullTerminatedStringFromCSSIandSetCF:
[186]	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
[192]	89	jmp short BootMenuPrint_FormatCSSIfromParamsInSSBP
[128]	90
[192]	91
[128]	92	;--------------------------------------------------------------------
[3]	93	; BootMenuPrint_FloppyMenuitemInformation
	94	; Parameters:
	95	; DL: Untranslated Floppy Drive number
	96	; DS: RAMVARS segment
	97	; Returns:
[88]	98	; CF: Set since menu event was handled successfully
[3]	99	; Corrupts registers:
[88]	100	; AX, BX, CX, DX, SI, DI, ES
[3]	101	;--------------------------------------------------------------------
[192]	102
[241]	103	ALIGN JUMP_ALIGN
	104	BootMenuPrint_RefreshInformation:
	105	CALL_MENU_LIBRARY ClearInformationArea
[192]	106
[241]	107	call BootMenu_GetDriveToDXforMenuitemInCX_And_RamVars_GetSegmentToDS
	108	jnc BootMenuEvent_EventCompleted ; if no menu selection, abort
[182]	109
[161]	110	push bp
	111	mov bp, sp
[241]	112
	113	test dl, dl ; are we a hard disk?
	114	js BootMenuPrint_HardDiskRefreshInformation
[182]	115
[241]	116	call FloppyDrive_GetType ; Get Floppy Drive type to BX
[182]	117
[241]	118	mov cx, g_szFddSizeOr ; .PrintXTFloppyType
	119	test bx, bx ; Two possibilities? (FLOPPY_TYPE_525_OR_35_DD)
	120	jz SHORT BootMenuPrint_HardDiskRefreshInformation.output
	121
	122	mov cl, (g_szFddUnknown - $$) & 0xff ; .PrintUnknownFloppyType
[3]	123	cmp bl, FLOPPY_TYPE_35_ED
[241]	124	ja SHORT BootMenuPrint_HardDiskRefreshInformation.output
[182]	125
[161]	126	; Fall to .PrintKnownFloppyType
[3]	127
	128	;--------------------------------------------------------------------
[161]	129	; .PrintKnownFloppyType
[3]	130	; Parameters:
[161]	131	; BX: Floppy drive type
[3]	132	; Returns:
[88]	133	; CF: Set since menu event was handled successfully
[3]	134	; Corrupts registers:
[161]	135	; AX, BX, SI, DI
[182]	136	;
	137	; Floppy Drive Types:
	138	;
	139	; 0 Handled above
	140	; 1 FLOPPY_TYPE_525_DD 5 1/4 360K
	141	; 2 FLOPPY_TYPE_525_HD 5 1/4 1.2M
	142	; 3 FLOPPY_TYPE_35_DD 3 1/2 720K
	143	; 4 FLOPPY_TYPE_35_HD 3 1/2 1.44M
	144	; 5 3.5" ED on some BIOSes 3 1/2 2.88M
	145	; 6 FLOPPY_TYPE_35_ED 3 1/2 2.88M
	146	; >6 Unknwon, handled above
	147	;
[3]	148	;--------------------------------------------------------------------
[161]	149	.PrintKnownFloppyType:
[241]	150	mov cl, (g_szFddSize - $$) & 0xff
	151	push cx
[182]	152
[241]	153	mov cl, (g_szFddThreeHalf - $$) & 0xff
[182]	154	cmp bl, FLOPPY_TYPE_525_HD
	155	ja .ThreeHalf
[241]	156	mov cl, (g_szFddFiveQuarter - $$) & 0xff
[182]	157	.ThreeHalf:
[241]	158	push cx ; "5 1/4" or "3 1/2"
[3]	159
[182]	160	mov al,FloppyTypes.rgbCapacityMultiplier
	161	mul byte [cs:bx+FloppyTypes.rgbCapacity - 1] ; -1 since 0 is handled above and not in the table
	162	push ax
[161]	163
[241]	164	jmp short BootMenuPrint_HardDiskRefreshInformation.output
[88]	165
[192]	166
	167	;--------------------------------------------------------------------
[3]	168	; Prints Hard Disk Menuitem information strings.
	169	;
	170	; BootMenuPrint_HardDiskMenuitemInformation
	171	; Parameters:
	172	; DL: Untranslated Hard Disk number
	173	; DS: RAMVARS segment
	174	; Returns:
[88]	175	; CF: Set since menu event was handled successfully
[3]	176	; Corrupts registers:
	177	; BX, CX, DX, SI, DI, ES
	178	;--------------------------------------------------------------------
	179	ALIGN JUMP_ALIGN
[241]	180	BootMenuPrint_HardDiskRefreshInformation:
[150]	181	call RamVars_IsDriveHandledByThisBIOS
	182	jnc SHORT .HardDiskMenuitemInfoForForeignDrive
[241]	183	call FindDPT_ForDriveNumber ; DS:DI to point DPT
[127]	184	; Fall to .HardDiskMenuitemInfoForOurDrive
[3]	185
	186	;--------------------------------------------------------------------
[127]	187	; .HardDiskMenuitemInfoForOurDrive
[3]	188	; Parameters:
	189	; DL: Untranslated Hard Disk number
[127]	190	; DS:DI: Ptr to DPT
[3]	191	; Returns:
[127]	192	; Nothing
[3]	193	; Corrupts registers:
[127]	194	; AX, BX, CX, DX, SI, DI, ES
[3]	195	;--------------------------------------------------------------------
[127]	196	.HardDiskMenuitemInfoForOurDrive:
[241]	197	ePUSH_T ax, g_szSizeDual
	198
[127]	199	; Get and push L-CHS size
[150]	200	call AH15h_GetSectorCountToDXAX
[88]	201	call ConvertSectorCountInBXDXAXtoSizeAndPushForFormat
	202
[127]	203	; Get and push total LBA size
	204	call BootInfo_GetTotalSectorCount
[241]	205	call ConvertSectorCountInBXDXAXtoSizeAndPushForFormat
	206	jmp BootMenuPrintCfg_ForOurDrive
	207
[3]	208	;--------------------------------------------------------------------
[127]	209	; .HardDiskMenuitemInfoForForeignDrive
[3]	210	; Parameters:
	211	; DL: Untranslated Hard Disk number
[127]	212	; DS: RAMVARS segment
[3]	213	; Returns:
[127]	214	; CF: Set since menu event was handled successfully
[3]	215	; Corrupts registers:
[127]	216	; AX, BX, CX, DX, SI, DI
[3]	217	;--------------------------------------------------------------------
	218	ALIGN JUMP_ALIGN
[127]	219	.HardDiskMenuitemInfoForForeignDrive:
	220	call DriveXlate_ToOrBack
[150]	221	call AH15h_GetSectorCountFromForeignDriveToDXAX
[88]	222	call ConvertSectorCountInBXDXAXtoSizeAndPushForFormat
	223
[241]	224	ALIGN JUMP_ALIGN
	225	.output:
	226	mov si, g_szCapacity
	227	;;; fall-through
[3]	228
	229	;--------------------------------------------------------------------
[241]	230	; BootMenuPrint_FormatCSSIfromParamsInSSBP
[88]	231	; Parameters:
[241]	232	; CS:SI: Ptr to string to format
	233	; BP: SP before pushing parameters
[88]	234	; Returns:
[241]	235	; BP: Popped from stack
	236	; CF: Set since menu event was handled successfully
[88]	237	; Corrupts registers:
[120]	238	; AX, DI
[88]	239	;--------------------------------------------------------------------
	240	ALIGN JUMP_ALIGN
[241]	241	BootMenuPrint_FormatCSSIfromParamsInSSBP:
	242	CALL_DISPLAY_LIBRARY FormatNullTerminatedStringFromCSSI
	243	stc ; Successfull return from menu event
	244	pop bp
[88]	245	ret
[192]	246
[241]	247
[88]	248	;--------------------------------------------------------------------
[192]	249	; BootMenuPrint_ClearScreen
[88]	250	; Parameters:
[192]	251	; Nothing
[88]	252	; Returns:
[192]	253	; Nothing
[88]	254	; Corrupts registers:
[192]	255	; AX, DI
[88]	256	;--------------------------------------------------------------------
	257	ALIGN JUMP_ALIGN
[192]	258	BootMenuPrint_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
[88]	265
	266
	267	;--------------------------------------------------------------------
	268	; BootMenuPrint_TheBottomOfScreen
[3]	269	; Parameters:
	270	; DS: RAMVARS segment
	271	; Returns:
[88]	272	; Nothing
[3]	273	; Corrupts registers:
[92]	274	; AX, BX, CX, DX, SI, DI
[3]	275	;--------------------------------------------------------------------
	276	ALIGN JUMP_ALIGN
[88]	277	BootMenuPrint_TheBottomOfScreen:
[124]	278	call FloppyDrive_GetCountToCX
[88]	279	mov bl, cl ; Floppy Drive count to BL
	280	call RamVars_GetHardDiskCountFromBDAtoCX
	281	mov bh, cl ; Hard Disk count to BH
[92]	282	; Fall to .MoveCursorToHotkeyStrings
[3]	283
[92]	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
[3]	299
	300	;--------------------------------------------------------------------
[92]	301	; .PrintHotkeyString
[3]	302	; Parameters:
[92]	303	; BL: Floppy Drives
	304	; BH: Hard Drives
[88]	305	; Returns:
[92]	306	; Nothing
[88]	307	; Corrupts registers:
[120]	308	; AX, CX, DX, SI, DI
[88]	309	;--------------------------------------------------------------------
[92]	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
[122]	315	mov cx, MONO_BRIGHT
[88]	316
[92]	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
[88]	322
[92]	323	.SkipFloppyDriveHotkeys:
	324	test bh, bh ; Any Hard Drives?
	325	jz SHORT .SkipHardDriveHotkeys
[122]	326	xchg ax, cx ; Store Key Attribute
[92]	327	call BootMenu_GetLetterForFirstHardDiskToCL
	328	mov ch, ANGLE_QUOTE_RIGHT
	329	xchg ax, cx
	330	mov si, g_szHDD
	331	call PushHotkeyParamsAndFormat
	332
	333	.SkipHardDriveHotkeys:
	334	; Fall to .PrintRomBootHotkey
	335
[88]	336	;--------------------------------------------------------------------
[92]	337	; .PrintRomBootHotkey
[88]	338	; Parameters:
[92]	339	; CX: Key Attribute
	340	; DX: Description Attribute
[3]	341	; Returns:
[88]	342	; Nothing
[3]	343	; Corrupts registers:
[120]	344	; AX, SI, DI
[3]	345	;--------------------------------------------------------------------
[92]	346	.PrintRomBootHotkey:
	347	mov ax, 'F' \| ('8'<<8) ; F8
	348	mov si, g_szRomBoot
	349	; Fall to PushHotkeyParamsAndFormat
	350
	351	;--------------------------------------------------------------------
	352	; PushHotkeyParamsAndFormat
	353	; Parameters:
	354	; AL: First character
	355	; AH: Second character
	356	; CX: Key Attribute
	357	; DX: Description Attribute
	358	; CS:SI: Description string
	359	; Returns:
	360	; Nothing
	361	; Corrupts registers:
[120]	362	; AX, SI, DI
[92]	363	;--------------------------------------------------------------------
[3]	364	ALIGN JUMP_ALIGN
[92]	365	PushHotkeyParamsAndFormat:
	366	push bp
	367	mov bp, sp
	368
	369	push cx ; Key attribute
	370	push ax ; First character
	371	xchg al, ah
	372	push ax ; Second character
	373	push dx ; Description attribute
	374	push si ; Description string
	375	push cx ; Key attribute for last space
	376	mov si, g_szHotkey
[241]	377
	378	BootMenuPrint_FormatCSSIfromParamsInSSBP_Relay:
	379	jmp SHORT BootMenuPrint_FormatCSSIfromParamsInSSBP
[161]	380
[182]	381
[192]	382	;--------------------------------------------------------------------
	383	; BootMenuPrint_InitializeDisplayContext
	384	; Parameters:
	385	; Nothing
	386	; Returns:
	387	; Nothing
	388	; Corrupts registers:
	389	; AX, DI
	390	;--------------------------------------------------------------------
	391	ALIGN JUMP_ALIGN
	392	BootMenuPrint_InitializeDisplayContext:
	393	CALL_DISPLAY_LIBRARY InitializeDisplayContext
	394	ret
	395
	396
[241]	397	;--------------------------------------------------------------------
	398	; ConvertSectorCountInBXDXAXtoSizeAndPushForFormat
	399	; Parameters:
	400	; BX:DX:AX: Sector count
	401	; Returns:
	402	; Size in stack
	403	; Corrupts registers:
	404	; AX, BX, CX, DX, SI
	405	;--------------------------------------------------------------------
	406	ALIGN JUMP_ALIGN
	407	ConvertSectorCountInBXDXAXtoSizeAndPushForFormat:
	408	pop si ; Pop return address
	409	ePUSH_T cx, g_szCapacityNum ; Push format substring
	410	call Size_ConvertSectorCountInBXDXAXtoKiB
	411	mov cx, BYTE_MULTIPLES.kiB
	412	call Size_GetSizeToAXAndCharToDLfromBXDXAXwithMagnitudeInCX
	413	push ax ; Size in magnitude
	414	push cx ; Tenths
	415	push dx ; Magnitude character
	416	jmp si
	417
	418
	419	FloppyTypes:
	420	.rgbCapacityMultiplier equ 20 ; Multiplier to reduce word sized values to byte size
	421	.rgbCapacity:
	422	db 360 / FloppyTypes.rgbCapacityMultiplier ; type 1
	423	db 1200 / FloppyTypes.rgbCapacityMultiplier ; type 2
	424	db 720 / FloppyTypes.rgbCapacityMultiplier ; type 3
	425	db 1440 / FloppyTypes.rgbCapacityMultiplier ; type 4
	426	db 2880 / FloppyTypes.rgbCapacityMultiplier ; type 5
	427	db 2880 / FloppyTypes.rgbCapacityMultiplier ; type 6

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