source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Boot/BootPrint.asm@ 97

Last change on this file since 97 was 95, checked in by Tomi Tilli, 14 years ago

Changes to XTIDE Universal BIOS:

  • Smaller boot sector loading string.
  • Cleaned boot code a bit.
File size: 1.8 KB
Line 
1; Project name : XTIDE Universal BIOS
2; Description : Functions for printing boot related strings.
3
4; Section containing code
5SECTION .text
6
7;--------------------------------------------------------------------
8; BootPrint_TryToBootFromDL
9; Parameters:
10; DL: Drive to boot from (translated, 00h or 80h)
11; DS: RAMVARS segment
12; Returns:
13; Nothing
14; Corrupts registers:
15; AX, SI
16;--------------------------------------------------------------------
17ALIGN JUMP_ALIGN
18BootPrint_TryToBootFromDL:
19 push bp
20 mov bp, sp
21
22 mov ax, g_szHDD
23 test dl, 80h
24 eCMOVZ ax, g_szFDD
25 push ax
26
27 call DriveXlate_ToOrBack
28 push dx ; Push untranslated drive number
29 call DriveXlate_ToOrBack
30 push dx ; Push translated drive number
31
32 mov si, g_szTryToBoot
33 jmp BootMenuPrint_FormatCSSIfromParamsInSSBP
34
35
36;--------------------------------------------------------------------
37; BootPrint_BootSectorResultStringFromBX
38; Parameters:
39; CS:BX: Ptr to "found" or "not found"
40; Returns:
41; Nothing
42; Corrupts registers:
43; AX, SI
44;--------------------------------------------------------------------
45ALIGN JUMP_ALIGN
46BootPrint_BootSectorResultStringFromBX:
47 push bp
48 mov bp, sp
49 ePUSH_T ax, g_szBootSector
50 push bx ; "found" or "not found"
51 mov si, g_szSectRead
52 jmp BootMenuPrint_FormatCSSIfromParamsInSSBP
53
54
55;--------------------------------------------------------------------
56; BootPrint_FailedToLoadFirstSector
57; Parameters:
58; AH: INT 13h error code
59; Returns:
60; Nothing
61; Corrupts registers:
62; AX, BX, SI
63;--------------------------------------------------------------------
64ALIGN JUMP_ALIGN
65BootPrint_FailedToLoadFirstSector:
66 push bp
67 mov bp, sp
68 eMOVZX bx, ah
69 push bx ; Push INT 13h error code
70 mov si, g_szReadError
71 jmp BootMenuPrint_FormatCSSIfromParamsInSSBP
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