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Rev 2434 Rev 2441
Line 155... Line 155...
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; set up esp
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; set up esp
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        movzx   esp, sp
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        movzx   esp, sp
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        push    0
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        push    0
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        pop     es
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        pop     es
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        and     word [es:0x9031], 0
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        and     word [es:BOOT_IDE_BASE_ADDR], 0
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; \begin{Mario79}
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; \begin{Mario79}
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; find HDD IDE DMA PCI device
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; find HDD IDE DMA PCI device
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; check for PCI BIOS
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; check for PCI BIOS
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        mov     ax, 0xB101
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        mov     ax, 0xB101
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        mov     ax, 0xB10A
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        mov     ax, 0xB10A
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        mov     di, 0x20        ; memory base is config register at 0x20
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        mov     di, 0x20        ; memory base is config register at 0x20
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        int     0x1A
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        int     0x1A
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        jc      .nopci
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        jc      .nopci
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        and     cx, 0xFFF0      ; clear address decode type
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        and     cx, 0xFFF0      ; clear address decode type
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        mov     [es:0x9031], cx
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        mov     [es:BOOT_IDE_BASE_ADDR], cx
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.nopci:
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.nopci:
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; \end{Mario79}
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; \end{Mario79}
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        mov     al, 0xf6        ; Ñáðîñ êëàâèàòóðû, ðàçðåøèòü ñêàíèðîâàíèå
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        mov     al, 0xf6        ; Ñáðîñ êëàâèàòóðû, ðàçðåøèòü ñêàíèðîâàíèå
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        in      al, 64h
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        in      al, 64h
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        test    al, 2
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        test    al, 2
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        loopnz  @b
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        loopnz  @b
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; --------------- APM ---------------------
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; --------------- APM ---------------------
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        and     word [es:0x9044], 0     ; ver = 0.0 (APM not found)
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        and     word [es:BOOT_APM_VERSION], 0     ; ver = 0.0 (APM not found)
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        mov     ax, 0x5300
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        mov     ax, 0x5300
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        xor     bx, bx
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        xor     bx, bx
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        int     0x15
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        int     0x15
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        jc      apm_end                 ; APM not found
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        jc      apm_end                 ; APM not found
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        test    cx, 2
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        test    cx, 2
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        jz      apm_end                 ; APM 32-bit protected-mode interface not supported
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        jz      apm_end                 ; APM 32-bit protected-mode interface not supported
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        mov     [es:0x9044], ax         ; Save APM Version
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        mov     [es:BOOT_APM_VERSION], ax         ; Save APM Version
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        mov     [es:0x9046], cx         ; Save APM flags
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        mov     [es:BOOT_APM_FLAGS], cx         ; Save APM flags
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        ; Write APM ver ----
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        ; Write APM ver ----
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        and     ax, 0xf0f
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        and     ax, 0xf0f
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        add     ax, '00'
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        add     ax, '00'
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        int     0x15
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        int     0x15
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        mov     ax, 0x5303              ; Connect 32 bit mode interface
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        mov     ax, 0x5303              ; Connect 32 bit mode interface
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        xor     bx, bx
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        xor     bx, bx
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        int     0x15
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        int     0x15
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        mov     [es:0x9040], ebx
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        mov     [es:BOOT_APM_ENTRY], ebx
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        mov     [es:0x9050], ax
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        mov     [es:BOOT_APM_CODE_32], ax
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        mov     [es:0x9052], cx
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        mov     [es:BOOT_APM_CODE_16], cx
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        mov     [es:0x9054], dx
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        mov     [es:BOOT_APM_DATA_16], dx
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apm_end:
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apm_end:
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        call    set_vmode
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        call    set_vmode
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; GRAPHICS ACCELERATION
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; GRAPHICS ACCELERATION
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; force yes
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; force yes
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        mov     [es:0x901C], byte 1
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        mov     [es:BOOT_MTRR], byte 1
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; DMA ACCESS TO HD
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; DMA ACCESS TO HD
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        mov     al, [preboot_dma]
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        mov     al, [preboot_dma]
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        mov     [es:0x901F], al
 - 
 
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        mov     [es:BOOT_DMA], al
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; VRR_M USE
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; VRR_M USE
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;;;;;;;;;;; set videomode
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;;;;;;;;;;; set videomode
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        xor     ax, ax
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        xor     ax, ax
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        mov     es, ax
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        mov     es, ax
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        mov     ax, [es:0x9008]         ; vga & 320x200
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        mov     ax, [es:BOOT_VESA_MODE]         ; vga & 320x200
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        mov     bx, ax
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        mov     bx, ax
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        cmp     ax, 0x13
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        cmp     ax, 0x13
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        je      setgr
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        je      setgr