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Rev 5544 Rev 9160
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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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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;; Copyright (C) KolibriOS team 2004-2021. All rights reserved.    ;;
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;; Distributed under terms of the GNU General Public License       ;;
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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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;; simple AGP driver for KolibriOS                                 ;;
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;; simple AGP driver for KolibriOS                                 ;;
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;;                                                                 ;;
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;;                                                                 ;;
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;;    Written by hidnplayr@kolibrios.org                           ;;
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;;    Written by hidnplayr@kolibrios.org                           ;;
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        push    eax edx
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        push    eax edx
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        movzx   ebx, [eax + PCIDEV.bus]
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        movzx   ebx, [eax + PCIDEV.bus]
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        mov     [bus], ebx
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        mov     [bus], ebx
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        movzx   ebx, [eax + PCIDEV.devfn]
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        movzx   ebx, [eax + PCIDEV.devfn]
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        mov     [devfn], ebx
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        mov     [devfn], ebx
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        invoke  PciRead8, [bus], [devfn], PCI_header00.prog_if
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        invoke  PciRead16, [bus], [devfn], PCI_header00.status
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        test    al, 1 shl 4                             ; got capabilities list?
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        test    ax, PCI_STATUS_CAPA                     ; got capabilities list?
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        jnz     .got_capabilities_list
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        jnz     .got_capabilities_list
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        ; TODO: Do it the old way: detect device and check with a list of known capabilities
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        ; TODO: Do it the old way: detect device and check with a list of known capabilities