802 lines
21 KiB
PHP
802 lines
21 KiB
PHP
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision$
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struc VBE_VGAInfo {
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.VESASignature dd ? ; char
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.VESAVersion dw ? ; short
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.OemStringPtr dd ? ; char *
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.Capabilities dd ? ; ulong
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.VideoModePtr dd ? ; ulong
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.TotalMemory dw ? ; short
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; VBE 2.0+
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.OemSoftwareRev db ? ; short
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.OemVendorNamePtr dw ? ; char *
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.OemProductNamePtr dw ? ; char *
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.OemProductRevPtr dw ? ; char *
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.reserved rb 222 ; char
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.OemData rb 256 ; char
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}
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struc VBE_ModeInfo {
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.ModeAttributes dw ? ; short
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.WinAAttributes db ? ; char
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.WinBAttributes db ? ; char
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.WinGranularity dw ? ; short
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.WinSize dw ? ; short
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.WinASegment dw ? ; ushort
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.WinBSegment dw ? ; ushort
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.WinFuncPtr dd ? ; void *
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.BytesPerScanLine dw ? ; short
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.XRes dw ? ; short
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.YRes dw ? ; short
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.XCharSize db ? ; char
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.YCharSize db ? ; char
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.NumberOfPlanes db ? ; char
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.BitsPerPixel db ? ; char
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.NumberOfBanks db ? ; char
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.MemoryModel db ? ; char
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.BankSize db ? ; char
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.NumberOfImagePages db ? ; char
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.res1 db ? ; char
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.RedMaskSize db ? ; char
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.RedFieldPosition db ? ; char
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.GreenMaskSize db ? ; char
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.GreenFieldPosition db ? ; char
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.BlueMaskSize db ? ; char
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.BlueFieldPosition db ? ; char
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.RsvedMaskSize db ? ; char
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.RsvedFieldPosition db ? ; char
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.DirectColorModeInfo db ? ; char ; MISSED IN THIS TUTORIAL!! SEE ABOVE
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; VBE 2.0+
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.PhysBasePtr dd ? ; ulong
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.OffScreenMemOffset dd ? ; ulong
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.OffScreenMemSize dw ? ; short
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; VBE 3.0+
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.LinbytesPerScanLine dw ? ; short
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.BankNumberOfImagePages db ? ; char
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.LinNumberOfImagePages db ? ; char
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.LinRedMaskSize db ? ; char
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.LinRedFieldPosition db ? ; char
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.LingreenMaskSize db ? ; char
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.LinGreenFieldPosition db ? ; char
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.LinBlueMaskSize db ? ; char
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.LinBlueFieldPosition db ? ; char
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.LinRsvdMaskSize db ? ; char
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.LinRsvdFieldPosition db ? ; char
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.MaxPixelClock dd ? ; ulong
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.res2 rb 190 ; char
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}
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virtual at $A000
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vi VBE_VGAInfo
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mi VBE_ModeInfo
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modes_table:
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end virtual
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cursor_pos dw 0 ;временное хранение курсора.
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cursor_pos_old dw 0
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home_cursor dw 0 ;current shows rows a table
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end_cursor dw 0 ;end of position current shows rows a table
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scroll_start dw 0 ;start position of scroll bar
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scroll_end dw 0 ;end position of scroll bar
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long_v_table = 9 ;long of visible video table
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size_of_step = 10
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scroll_area_size = long_v_table - 2
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int2str:
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dec bl
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jz @f
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xor edx, edx
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div ecx
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push edx
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call int2str
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pop eax
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@@:
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or al, 0x30
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mov [ds:di], al
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inc di
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ret
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int2strnz:
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cmp eax, ecx
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jb @f
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xor edx, edx
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div ecx
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push edx
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call int2strnz
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pop eax
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@@:
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or al, 0x30
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mov [es:di], al
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inc di
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ret
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;-------------------------------------------------------
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;Write message about incorrect v_mode and write message about jmp on swith v_mode
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v_mode_error:
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_setcursor 19,2
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mov si, fatalsel
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call printplain
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_setcursor 20,2
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mov si, pres_key
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call printplain
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xor eax, eax
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int 16h
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jmp cfgmanager.d
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;-------------------------------------------------------
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;
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;-------------------------------------------------------
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print_vesa_info:
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_setcursor 5,2
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mov [es:vi.VESASignature], 'VBE2'
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mov ax, 0x4F00
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mov di, vi ;0xa000
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int 0x10
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or ah, ah
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jz @f
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mov [es:vi.VESASignature], 'VESA'
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mov ax, $4F00
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mov di, vi
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int 0x10
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or ah, ah
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jnz .exit
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@@:
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cmp [es:vi.VESASignature], 'VESA'
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jne .exit
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cmp [es:vi.VESAVersion], 0x0100
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jb .exit
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jmp .vesaok2
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.exit:
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mov si, novesa
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call printplain
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ret
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.vesaok2:
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mov ax, [es:vi.VESAVersion]
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add ax, '00'
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mov [s_vesa.ver], ah
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mov [s_vesa.ver+2], al
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mov si, s_vesa
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call printplain
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_setcursor 4,2
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mov si, word[es:vi.OemStringPtr]
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mov di, si
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push ds
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mov ds, word[es:vi.OemStringPtr+2]
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call printplain
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pop ds
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ret
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;-----------------------------------------------------------------------------
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calc_vmodes_table:
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pushad
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; push 0
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; pop es
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lfs si, [es:vi.VideoModePtr]
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mov bx, modes_table
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;save no vesa mode of work 320x200, EGA/CGA 256 梥⮢ and 640x480, VGA 16 梥⮢
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mov word [es:bx], 640
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mov word [es:bx+2], 480
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mov word [es:bx+6], 0x13
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mov word [es:bx+10], 640
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mov word [es:bx+12], 480
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mov word [es:bx+16], 0x12
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add bx, 20
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.next_mode:
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mov cx, word [fs:si]; mode number
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cmp cx, -1
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je .modes_ok.2
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mov ax, 0x4F01
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mov di, mi
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int 0x10
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or ah, ah
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jnz .modes_ok.2;vesa_info.exit
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test [es:mi.ModeAttributes], 00000001b ;videomode support ?
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jz @f
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test [es:mi.ModeAttributes], 00010000b ;picture ?
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jz @f
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test [es:mi.ModeAttributes], 10000000b ;LFB ?
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jz @f
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cmp [es:mi.BitsPerPixel], 16 ;List only supported videomodes (16, 24 and 32 bpp)
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jb @f
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; 16 bpp might actually be 15 bpp
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cmp [es:mi.BitsPerPixel], 16
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jne .l0
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cmp [es:mi.GreenMaskSize], 5
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jne .l0
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; mov [es:mi.BitsPerPixel],15
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jmp @f ; 15 bpp isnt supported ATM
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.l0:
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cmp [es:mi.XRes], 640
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jb @f
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cmp [es:mi.YRes], 480
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jb @f
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; cmp [es:mi.BitsPerPixel],8
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; jb @f
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mov ax, [es:mi.XRes]
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mov [es:bx+0], ax ; +0[2] : resolution X
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mov ax, [es:mi.YRes]
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mov [es:bx+2], ax ; +2[2] : resolution Y
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mov ax, [es:mi.ModeAttributes]
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mov [es:bx+4], ax ; +4[2] : attributes
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cmp [s_vesa.ver], '2'
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; jb .lp1
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jb @f ; We do not use Vesa 1.2 mode is now
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or cx, 0x4000 ; use LFB
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.lp1:
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mov [es:bx+6], cx ; +6 : mode number
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movzx ax, byte [es:mi.BitsPerPixel]
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mov word [es:bx+8], ax ; +8 : bits per pixel
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add bx, size_of_step ; size of record
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@@:
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add si, 2
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jmp .next_mode
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.modes_ok.2:
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mov word[es:bx], -1 ;end video table
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mov word[end_cursor], bx ;save end cursor position
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;;;;;;;;;;;;;;;;;;
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;Sort array
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; mov si,modes_table
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;.new_mode:
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; mov ax,word [es:si]
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; cmp ax,-1
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; je .exxit
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; add ax,word [es:si+2]
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; add ax,word [es:si+8]
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; mov bp,si
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;.again:
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; add bp,12
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; mov bx,word [es:bp]
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; cmp bx,-1
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; je .exit
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; add bx,word [es:bp+2]
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; add bx,word [es:bp+8]
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;
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; cmp ax,bx
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; ja .loops
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; jmp .again
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;.loops:
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; push dword [es:si]
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; push dword [es:si+4]
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; push dword [es:si+8]
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; push dword [es:bp]
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; push dword [es:bp+4]
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; push dword [es:bp+8]
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;
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; pop dword [es:si+8]
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; pop dword [es:si+4]
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; pop dword [es:si]
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; pop dword [es:bp+8]
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; pop dword [es:bp+4]
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; pop dword [es:bp]
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; jmp .new_mode
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;
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;.exit: add si,12
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; jmp .new_mode
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;.exxit:
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popad
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ret
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;-----------------------------------------------------------------------------
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draw_current_vmode:
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push 0
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pop es
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mov si, word [cursor_pos]
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cmp word [es:si+6], 0x12
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je .no_vesa_0x12
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cmp word [es:si+6], 0x13
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je .no_vesa_0x13
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if defined extended_primary_loader
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mov di, config_file_variables
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else
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mov di, loader_block_error
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end if
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movzx eax, word[es:si+0]
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mov ecx, 10
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call int2strnz
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mov byte[es:di], 'x'
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inc di
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movzx eax, word[es:si+2]
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call int2strnz
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mov byte[es:di], 'x'
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inc di
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movzx eax, word[es:si+8]
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call int2strnz
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mov dword[es:di], 0x00000d0a
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if defined extended_primary_loader
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mov si, config_file_variables
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else
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mov si, loader_block_error
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end if
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push ds
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push es
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pop ds
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call printplain
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pop ds
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ret
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.no_vesa_0x13:
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mov si, mode0
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jmp .print
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.no_vesa_0x12:
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mov si, mode9
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.print:
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call printplain
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ret
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;-----------------------------------------------------------------------------
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check_first_parm:
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if defined extended_primary_loader
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mov cx, [number_vm]
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jcxz .novbemode
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mov si, modes_table
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.findvbemode:
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cmp [es:si+6], cx
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jnz @f
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cmp word [es:si+8], 32
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je .ok_found_mode
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cmp word [es:si+8], 24
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je .ok_found_mode
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cmp word [es:si+8], 16
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je .ok_found_mode
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@@:
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add si, size_of_step
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cmp word [es:si], -1
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jnz .findvbemode
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.novbemode:
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mov ax, [x_save]
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test ax, ax
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jz .zerro
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mov bx, [y_save]
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mov si, modes_table
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call .loops
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test ax, ax
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jz .ok_found_mode
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else
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mov si, word [preboot_graph]
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test si, si
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jnz .no_zero ;if no zero
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end if
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.zerro:
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; mov ax,modes_table
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; mov word [cursor_pos],ax
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; mov word [home_cursor],ax
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; mov word [preboot_graph],ax
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||
|
|
;SET default video of mode first probe will fined a move of work 1024x768@32
|
||
|
|
mov cx, 32
|
||
|
|
.find_mode:
|
||
|
|
mov ax, 1024
|
||
|
|
mov bx, 768
|
||
|
|
mov si, modes_table
|
||
|
|
call .loops
|
||
|
|
test ax, ax
|
||
|
|
jz .ok_found_mode
|
||
|
|
mov ax, 800
|
||
|
|
mov bx, 600
|
||
|
|
mov si, modes_table
|
||
|
|
call .loops
|
||
|
|
test ax, ax
|
||
|
|
jz .ok_found_mode
|
||
|
|
mov ax, 640
|
||
|
|
mov bx, 480
|
||
|
|
mov si, modes_table
|
||
|
|
call .loops
|
||
|
|
test ax, ax
|
||
|
|
jz .ok_found_mode
|
||
|
|
sub cx, 8
|
||
|
|
jnz .find_mode
|
||
|
|
|
||
|
|
mov si, modes_table
|
||
|
|
if ~ defined extended_primary_loader
|
||
|
|
jmp .ok_found_mode
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
.no_zero:
|
||
|
|
mov bp, word [number_vm]
|
||
|
|
cmp bp, word [es:si+6]
|
||
|
|
jz .ok_found_mode
|
||
|
|
mov ax, word [x_save]
|
||
|
|
mov bx, word [y_save]
|
||
|
|
mov si, modes_table
|
||
|
|
call .loops
|
||
|
|
test ax, ax
|
||
|
|
jz .ok_found_mode
|
||
|
|
|
||
|
|
mov si, modes_table
|
||
|
|
; cmp ax,modes_table
|
||
|
|
; jb .zerro ;check on correct if bellow
|
||
|
|
; cmp ax,word [end_cursor]
|
||
|
|
; ja .zerro ;check on correct if anymore
|
||
|
|
end if
|
||
|
|
|
||
|
|
.ok_found_mode:
|
||
|
|
mov word [home_cursor], si
|
||
|
|
; mov word [cursor_pos],si
|
||
|
|
mov word [preboot_graph], si
|
||
|
|
mov ax, si
|
||
|
|
|
||
|
|
mov ecx, long_v_table
|
||
|
|
|
||
|
|
.loop:
|
||
|
|
add ax, size_of_step
|
||
|
|
cmp ax, word [end_cursor]
|
||
|
|
jae .next_step
|
||
|
|
loop .loop
|
||
|
|
.next_step:
|
||
|
|
sub ax, size_of_step*long_v_table
|
||
|
|
cmp ax, modes_table
|
||
|
|
jae @f
|
||
|
|
mov ax, modes_table
|
||
|
|
@@:
|
||
|
|
|
||
|
|
mov word [home_cursor], ax
|
||
|
|
mov si, [preboot_graph]
|
||
|
|
mov word [cursor_pos], si
|
||
|
|
|
||
|
|
push word [es:si]
|
||
|
|
pop word [x_save]
|
||
|
|
push word [es:si+2]
|
||
|
|
pop word [y_save]
|
||
|
|
push word [es:si+6]
|
||
|
|
pop word [number_vm]
|
||
|
|
|
||
|
|
ret
|
||
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
|
.loops:
|
||
|
|
cmp ax, word [es:si]
|
||
|
|
jne .next
|
||
|
|
cmp bx, word [es:si+2]
|
||
|
|
jne .next
|
||
|
|
jcxz @f
|
||
|
|
cmp cx, word [es:si+8]
|
||
|
|
jne .next
|
||
|
|
@@:
|
||
|
|
xor ax, ax
|
||
|
|
ret
|
||
|
|
.next:
|
||
|
|
add si, size_of_step
|
||
|
|
cmp word [es:si], -1
|
||
|
|
je .exit
|
||
|
|
jmp .loops
|
||
|
|
.exit:
|
||
|
|
or ax, -1
|
||
|
|
ret
|
||
|
|
|
||
|
|
|
||
|
|
;-----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
;default_vmode:
|
||
|
|
|
||
|
|
;-----------------------------------------------------------------------------
|
||
|
|
draw_vmodes_table:
|
||
|
|
_setcursor 9, 2
|
||
|
|
mov si, gr_mode
|
||
|
|
call printplain
|
||
|
|
|
||
|
|
mov si, _st
|
||
|
|
call printplain
|
||
|
|
|
||
|
|
push word [cursor_pos]
|
||
|
|
pop ax
|
||
|
|
push word [home_cursor]
|
||
|
|
pop si
|
||
|
|
mov cx, si
|
||
|
|
|
||
|
|
cmp ax, si
|
||
|
|
je .ok
|
||
|
|
jb .low
|
||
|
|
|
||
|
|
|
||
|
|
add cx, size_of_step*long_v_table
|
||
|
|
|
||
|
|
cmp ax, cx
|
||
|
|
jb .ok
|
||
|
|
|
||
|
|
sub cx, size_of_step*long_v_table
|
||
|
|
add cx, size_of_step
|
||
|
|
cmp cx, word[end_cursor]
|
||
|
|
jae .ok
|
||
|
|
add si, size_of_step
|
||
|
|
push si
|
||
|
|
pop word [home_cursor]
|
||
|
|
jmp .ok
|
||
|
|
|
||
|
|
|
||
|
|
.low:
|
||
|
|
sub cx, size_of_step
|
||
|
|
cmp cx, modes_table
|
||
|
|
jb .ok
|
||
|
|
push cx
|
||
|
|
push cx
|
||
|
|
pop word [home_cursor]
|
||
|
|
pop si
|
||
|
|
|
||
|
|
|
||
|
|
.ok:
|
||
|
|
; calculate scroll position
|
||
|
|
push si
|
||
|
|
mov ax, [end_cursor]
|
||
|
|
sub ax, modes_table
|
||
|
|
mov bx, size_of_step
|
||
|
|
cwd
|
||
|
|
div bx
|
||
|
|
mov si, ax ; si = size of list
|
||
|
|
mov ax, [home_cursor]
|
||
|
|
sub ax, modes_table
|
||
|
|
cwd
|
||
|
|
div bx
|
||
|
|
mov di, ax
|
||
|
|
mov ax, scroll_area_size*long_v_table
|
||
|
|
cwd
|
||
|
|
div si
|
||
|
|
test ax, ax
|
||
|
|
jnz @f
|
||
|
|
inc ax
|
||
|
|
@@:
|
||
|
|
cmp al, scroll_area_size
|
||
|
|
jb @f
|
||
|
|
mov al, scroll_area_size
|
||
|
|
@@:
|
||
|
|
mov cx, ax
|
||
|
|
; cx = scroll height
|
||
|
|
; calculate scroll pos
|
||
|
|
xor bx, bx ; initialize scroll pos
|
||
|
|
sub al, scroll_area_size+1
|
||
|
|
neg al
|
||
|
|
sub si, long_v_table-1
|
||
|
|
jbe @f
|
||
|
|
mul di
|
||
|
|
div si
|
||
|
|
mov bx, ax
|
||
|
|
@@:
|
||
|
|
inc bx
|
||
|
|
imul ax, bx, size_of_step
|
||
|
|
add ax, [home_cursor]
|
||
|
|
mov [scroll_start], ax
|
||
|
|
imul cx, size_of_step
|
||
|
|
add ax, cx
|
||
|
|
mov [scroll_end], ax
|
||
|
|
pop si
|
||
|
|
mov bp, long_v_table ;show rows
|
||
|
|
.@@_next_bit:
|
||
|
|
;clear cursor
|
||
|
|
mov ax, ' '
|
||
|
|
mov word[ds:_r1+21], ax
|
||
|
|
mov word[ds:_r1+50], ax
|
||
|
|
|
||
|
|
mov word[ds:_r2+21], ax
|
||
|
|
mov word[ds:_r2+45], ax
|
||
|
|
|
||
|
|
mov word[ds:_rs+21], ax
|
||
|
|
mov word[ds:_rs+46], ax
|
||
|
|
; draw string
|
||
|
|
cmp word [es:si+6], 0x12
|
||
|
|
je .show_0x12
|
||
|
|
cmp word [es:si+6], 0x13
|
||
|
|
je .show_0x13
|
||
|
|
|
||
|
|
movzx eax, word[es:si]
|
||
|
|
cmp ax, -1
|
||
|
|
je .@@_end
|
||
|
|
mov di, _rs+23
|
||
|
|
mov ecx, 10
|
||
|
|
mov bl, 4
|
||
|
|
call int2str
|
||
|
|
movzx eax, word[es:si+2]
|
||
|
|
inc di
|
||
|
|
mov bl, 4
|
||
|
|
call int2str
|
||
|
|
|
||
|
|
movzx eax, word[es:si+8]
|
||
|
|
inc di
|
||
|
|
mov bl, 2
|
||
|
|
call int2str
|
||
|
|
|
||
|
|
cmp si, word [cursor_pos]
|
||
|
|
jne .next
|
||
|
|
;draw cursor
|
||
|
|
mov word[ds:_rs+21], '>>'
|
||
|
|
mov word[ds:_rs+46], '<<'
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
.next:
|
||
|
|
push si
|
||
|
|
mov si, _rs
|
||
|
|
.@@_sh:
|
||
|
|
; add to the string pseudographics for scrollbar
|
||
|
|
pop bx
|
||
|
|
push bx
|
||
|
|
mov byte [si+53], ' '
|
||
|
|
cmp bx, [scroll_start]
|
||
|
|
jb @f
|
||
|
|
cmp bx, [scroll_end]
|
||
|
|
jae @f
|
||
|
|
mov byte [si+53], 0xDB ; filled bar
|
||
|
|
@@:
|
||
|
|
push bx
|
||
|
|
add bx, size_of_step
|
||
|
|
cmp bx, [end_cursor]
|
||
|
|
jnz @f
|
||
|
|
mov byte [si+53], 31 ; 'down arrow' symbol
|
||
|
|
@@:
|
||
|
|
sub bx, [home_cursor]
|
||
|
|
cmp bx, size_of_step*long_v_table
|
||
|
|
jnz @f
|
||
|
|
mov byte [si+53], 31 ; 'down arrow' symbol
|
||
|
|
@@:
|
||
|
|
pop bx
|
||
|
|
cmp bx, [home_cursor]
|
||
|
|
jnz @f
|
||
|
|
mov byte [si+53], 30 ; 'up arrow' symbol
|
||
|
|
@@:
|
||
|
|
call printplain
|
||
|
|
pop si
|
||
|
|
add si, size_of_step
|
||
|
|
|
||
|
|
dec bp
|
||
|
|
jnz .@@_next_bit
|
||
|
|
|
||
|
|
.@@_end:
|
||
|
|
mov si, _bt
|
||
|
|
call printplain
|
||
|
|
ret
|
||
|
|
.show_0x13:
|
||
|
|
push si
|
||
|
|
|
||
|
|
cmp si, word [cursor_pos]
|
||
|
|
jne @f
|
||
|
|
mov word[ds:_r1+21], '>>'
|
||
|
|
mov word[ds:_r1+50], '<<'
|
||
|
|
@@:
|
||
|
|
mov si, _r1
|
||
|
|
jmp .@@_sh
|
||
|
|
.show_0x12:
|
||
|
|
push si
|
||
|
|
cmp si, word [cursor_pos]
|
||
|
|
jne @f
|
||
|
|
|
||
|
|
mov word[ds:_r2+21], '>>'
|
||
|
|
mov word[ds:_r2+45], '<<'
|
||
|
|
@@:
|
||
|
|
mov si, _r2
|
||
|
|
jmp .@@_sh
|
||
|
|
|
||
|
|
;-----------------------------------------------------------------------------
|
||
|
|
;Clear arrea of current video page (0xb800)
|
||
|
|
clear_vmodes_table:
|
||
|
|
pusha
|
||
|
|
; draw frames
|
||
|
|
push es
|
||
|
|
push 0xb800
|
||
|
|
pop es
|
||
|
|
mov di, 1444
|
||
|
|
xor ax, ax
|
||
|
|
mov ah, 1*16+15
|
||
|
|
mov cx, 77
|
||
|
|
mov bp, 12
|
||
|
|
.loop_start:
|
||
|
|
rep stosw
|
||
|
|
mov cx, 77
|
||
|
|
add di, 6
|
||
|
|
dec bp
|
||
|
|
jns .loop_start
|
||
|
|
pop es
|
||
|
|
popa
|
||
|
|
ret
|
||
|
|
|
||
|
|
;-----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
set_vmode:
|
||
|
|
push 0 ;0;x1000
|
||
|
|
pop es
|
||
|
|
|
||
|
|
mov si, word [preboot_graph] ;[preboot_graph]
|
||
|
|
mov cx, word [es:si+6] ; number of mode
|
||
|
|
|
||
|
|
|
||
|
|
mov ax, word [es:si+0] ; resolution X
|
||
|
|
mov bx, word [es:si+2] ; resolution Y
|
||
|
|
|
||
|
|
|
||
|
|
mov word [es:BOOT_LO.x_res], ax ; resolution X
|
||
|
|
mov word [es:BOOT_LO.y_res], bx ; resolution Y
|
||
|
|
mov word [es:BOOT_LO.vesa_mode], cx ; number of mode
|
||
|
|
|
||
|
|
cmp cx, 0x12
|
||
|
|
je .mode0x12_0x13
|
||
|
|
cmp cx, 0x13
|
||
|
|
je .mode0x12_0x13
|
||
|
|
|
||
|
|
|
||
|
|
; cmp byte [s_vesa.ver], '2'
|
||
|
|
; jb .vesa12
|
||
|
|
|
||
|
|
; VESA 2 and Vesa 3
|
||
|
|
|
||
|
|
mov ax, 0x4f01
|
||
|
|
and cx, 0xfff
|
||
|
|
mov di, mi;0xa000
|
||
|
|
int 0x10
|
||
|
|
; LFB
|
||
|
|
mov eax, [es:mi.PhysBasePtr];di+0x28]
|
||
|
|
mov [es:BOOT_LO.lfb], eax
|
||
|
|
; ---- vbe voodoo
|
||
|
|
BytesPerLine = 0x10
|
||
|
|
mov ax, [es:di+BytesPerLine]
|
||
|
|
mov [es:BOOT_LO.pitch], ax
|
||
|
|
; BPP
|
||
|
|
cmp [es:mi.BitsPerPixel], 16
|
||
|
|
jne .l0
|
||
|
|
cmp [es:mi.GreenMaskSize], 5
|
||
|
|
jne .l0
|
||
|
|
mov [es:mi.BitsPerPixel], 15
|
||
|
|
.l0:
|
||
|
|
mov al, byte [es:di+0x19]
|
||
|
|
mov [es:BOOT_LO.bpp], al
|
||
|
|
jmp .exit
|
||
|
|
|
||
|
|
.mode0x12_0x13:
|
||
|
|
mov byte [es:BOOT_LO.bpp], 32
|
||
|
|
or dword [es:BOOT_LO.lfb], 0xFFFFFFFF; 0x800000
|
||
|
|
|
||
|
|
|
||
|
|
; VESA 1.2 PM BANK SWITCH ADDRESS
|
||
|
|
|
||
|
|
;.vesa12:
|
||
|
|
; mov ax, 0x4f0A
|
||
|
|
; xor bx, bx
|
||
|
|
; int 0x10
|
||
|
|
; xor eax, eax
|
||
|
|
; xor ebx, ebx
|
||
|
|
; mov ax, es
|
||
|
|
; shl eax, 4
|
||
|
|
; mov bx, di
|
||
|
|
; add eax, ebx
|
||
|
|
; movzx ebx, word[es:di]
|
||
|
|
; add eax, ebx
|
||
|
|
; push 0x0000
|
||
|
|
; pop es
|
||
|
|
; mov [es:BOOT_LO.bank_sw], eax
|
||
|
|
.exit:
|
||
|
|
ret
|
||
|
|
|
||
|
|
;=============================================================================
|
||
|
|
;=============================================================================
|
||
|
|
;=============================================================================
|
||
|
|
|