WebSVN – Kolibri OS – Blame – /kernel/trunk/boot/bootcode.inc

Rev	Author	Line No.	Line
1	ha	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
		3	;; BOOTCODE.INC ;;
		4	;; ;;
		5	;; 16 bit bootcode for MenuetOS ;;
		6	;; ;;
		7	;; Copyright 2002 Ville Turjanmaa ;;
		8	;; ;;
		9	;; See file COPYING for details ;;
		10	;; ;;
		11	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		12
		13
		14
		15	;==========================================================================
		16	;
		17	; 16 BIT FUNCTIONS
		18	;
		19	;==========================================================================
		20
		21	print: push si
		22	mov si,leftpr-0x10000
		23	call printplain
		24	pop si
		25
		26	printplain: pusha
		27	mov dx,0x1000
		28	mov es,dx
		29	cmp byte [es:display_atboot-0x10000],2
		30	je printplain_exit
		31	mov ds,dx
		32	cld
		33	lodsb
		34	prpl1:
		35	mov ah,0xe
		36	xor bh,bh
		37	int 0x10
		38	lodsb
		39	cmp al,0
		40	jne prpl1
		41	printplain_exit:
		42	popa
		43	ret
		44
		45	setbase1000: push ax
		46	mov ax,0x1000
		47	mov es,ax
		48	mov ds,ax
		49	pop ax
		50	ret
		51
		52	getkey: push ecx
		53	push edx
		54	add ebx,0x0101
		55	xor eax,eax
		56
		57	gk1:
		58	in al,0x60
		59	mov cl,al
		60	gk0:
		61	in al,0x60
		62	cmp al,cl
		63	je gk0
		64	cmp ax,11
		65	jg gk0
		66	gk0_1:
		67	mov cl,al
		68
		69	; add al,47
		70	; mov [ds:keyinbs-0x10000],al
		71	; mov si,keyinbs-0x10000
		72	; call printplain
		73
		74	gk12:
		75	in al,0x60
		76	cmp al,cl
		77	je gk12
		78	cmp ax,240
		79	jne gk13
		80	mov al,cl
		81	jmp gk14
		82	gk13:
		83	add cl,128
		84	cmp al,cl
		85	jne gk1
		86	sub al,128
		87	gk14:
		88
		89	movzx edx,bl
		90	cmp eax,edx
		91	jb gk1
		92	movzx edx,bh
		93	cmp eax,edx
		94	jg gk1
		95	test ebx,0x010000
		96	jnz gk3
		97	mov cx,0x1000
		98	mov dx,cx
		99	add eax,47
		100	mov cx,ax
		101	cmp cx,58
		102	jb gk_nozero
		103	sub cx,10
		104	gk_nozero:
		105	mov [ds:keyin-0x10000],cl
		106	mov si,keyin-0x10000
		107	call printplain
		108	gk3:
		109	sub eax,48
		110	pop edx
		111	pop ecx
		112	ret
		113
		114
		115	;=========================================================================
		116	;
		117	; 16 BIT CODE
		118	;
		119	;=========================================================================
		120
		121
		122	start_of_code:
		123
		124	; RESET 16 BIT SELECTORS/REGISTERS/STACK
		125
		126	mov ax,0x1000
		127	mov es,ax
		128	mov ds,ax
		129
		130	mov ax,0x2000
		131	mov ss,ax
		132	mov sp,0xffff
		133
		134	xor ax,ax
		135	xor bx,bx
		136	xor cx,cx
		137	xor dx,dx
		138	xor si,si
		139	xor di,di
		140	xor bp,bp
		141
		142
		143
		144	; DRAW FRAMES
		145
		146	call setbase1000
		147
		148	cmp byte [es:display_atboot-0x10000],2
		149	je no_mode_atboot
		150
		151	mov ax,0x0003
		152	mov bx,0x0000
		153	mov dx,0x0000
		154	int 0x10
		155
		156	no_mode_atboot:
		157
		158	; Load & set russian VGA font (RU.INC)
		159	mov bp,RU_FNT1-10000h ; RU_FNT1 - First part
		160	mov bx,1000h ; 768 bytes
		161	mov cx,30h ; 48 symbols
		162	mov dx,80h ; 128 - position of first symbol
		163	mov ax,1100h
		164	push cs
		165	pop es
		166	int 10h
		167
		168	mov bp,RU_FNT2-10000h ; RU_FNT2 -Second part
		169	mov bx,1000h ; 512 bytes
		170	mov cx,20h ; 32 symbols
		171	mov dx,0E0h ; 224 - position of first symbol
		172	mov ax,1100h
		173	push cs
		174	pop es
		175	int 10h
		176	; End set VGA russian font
		177
		178	call setbase1000
		179	mov ax,0xb800
		180	mov es,ax
		181	mov di,0
		182	mov si,d80x25-0x10000
		183	mov cx,80*25
		184	mov ah,1*16+15
		185	dfl1:
		186	cld
		187	lodsb
		188	stosw
		189	loop dfl1
		190
		191	call setbase1000
		192
		193
		194	; SAY HI TO USER
		195
		196	mov si,linef2-0x10000
		197	call printplain
		198	mov si,version-0x10000
		199	call print
		200
		201
		202	; TEST FOR 386+
		203
		204	pushf
		205	pop ax
		206	mov dx,ax
		207	xor ax,0x4000
		208	push ax
		209	popf
		210	pushf
		211	pop ax
		212	and ax,0x4000
		213	and dx,0x4000
		214	cmp ax,dx
		215	jnz cpugood
		216	mov si,not386-0x10000
		217	call print
		218	jmp $
		219	cpugood:
		220
		221	; RESET 32 BIT SELECTORS/REGISTERS/SELECTORS
		222
		223	mov ax,0x1000
		224	mov es,ax
		225	mov ds,ax
		226
		227	mov ax,0x2000
		228	mov ss,ax
		229	mov esp,0xffff
		230
		231	xor eax,eax
		232	xor ebx,ebx
		233	xor ecx,ecx
		234	xor edx,edx
		235	xor esi,esi
		236	xor edi,edi
		237	xor ebp,ebp
		238
		239
		240
		241	; FLUSH 8042 KEYBOARD CONTROLLER
		242
		243	;// mike.dld [
		244	; mov al,0xED
		245	; out 0x60,al
		246	; or cx,-1
		247	; @@:
		248	; in al,0x64
		249	; test al,2
		250	; jz @f
		251	; loop @b
		252	; @@:
		253	; mov al,0
		254	; out 0x60,al
		255	; or cx,-1
		256	; @@:
		257	; in al,0x64
		258	; test al,2
		259	; jz @f
		260	; loop @b
		261	; @@:
		262	;// mike.dld ]
		263
		264	; mov ecx,10000
		265	; fl1:
		266	; in al,0x64
		267	; loop fl1
		268	; test al,1
		269	; jz fl2
		270	; in al,0x60
		271	; jmp fl1
		272	; fl2:
		273
		274	;****************************************************************
		275	; The function is modified Mario79
		276	;*****************************************************************
		277	; wait_kbd: ; variant 1
		278	; mov cx,2500h ;�� 10 ��
		279	; test_kbd:
		280	; in al,64h ;��

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(root)/kernel/trunk/boot/bootcode.inc @ 29 – Rev 1