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Rev 1364 Rev 1386
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; Subsystem id and Subsystem vendor id detection
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; Subsystem id and Subsystem vendor id detection
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; Full device detection (like "ATI Radeon 9200") will increase app
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; Full device detection (like "ATI Radeon 9200") will increase app
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; size a lot and probably it is function of particular drivers
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; size a lot and probably it is function of particular drivers
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;----------------------------------------------------------------
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;----------------------------------------------------------------
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;2.2: PCIDEV   31/12/2009
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;2.2: PCIDEV   03/01/2010
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;Author:    Artem Jerdev
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;Author:    Artem Jerdev
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;Features:
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;Features:
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;           fixed
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;           fixed
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;                 * English in some comments ;)
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;                 * English in some comments ;)
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;           added
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;           added
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;                 * ! user-accessible PCI memory channels detection
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;                 * ! user-accessible MMIO channels detection
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;                 * ! ASCII-dump as PCI memory access demonstration
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;                 * ! ASCII-dump as PCI memory access demonstration
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;           optimization
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;           optimization
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;                 * (yet needed)
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;                 * (yet needed)
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;----------------------------------------------------------------
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;----------------------------------------------------------------
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	jne	@b
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	jne	@b
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	; Quantity of devices...
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	; Quantity of devices...
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	movzx	ecx, byte [total]	; number to draw
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	movzx	ecx, byte [total]	; number to draw
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	mcall	47, 0x00020000,,150 * 65536 + 65, 0x224466
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	mcall	47, 0x00020000,,150 * 65536 + 65, 0x224466
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	mov	ah, [MMIO_allowed]
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	or 	ah, ah
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	jz 	@f
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	mov	ah, [MMIO_Bus]	; =255 if MMIO disabled / not found
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	and	ah, 0x7f
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	inc	ah
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	jo	@f
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	call	Try_MMIO
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	call	Try_MMIO
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@@:
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	mcall	12, 2			; end of draw
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	mcall	12, 2			; end of draw
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	ret
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	ret
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	mov	al, byte [PCI_LastBus]	; get last bus
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	mov	al, byte [PCI_LastBus]	; get last bus
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	cmp	byte [V_Bus], al	; was it last bus
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	cmp	byte [V_Bus], al	; was it last bus
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	jbe	Start_Enum		; if not jump to keep searching
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	jbe	Start_Enum		; if not jump to keep searching
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	ret
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	ret
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no_ummio_allowed:
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	xor 	al,al
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	mov 	[MMIO_allowed],al		; re-enter the subroutine
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;------------------------------------------------------------------
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;------------------------------------------------------------------
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;* Print device info to screen
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;* Print device info to screen
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Print_New_Device:
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Print_New_Device:
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	xor esi, esi	    ; default text color
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	xor 	esi, esi	    	; default text color
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	mov 	cl, [MMIO_allowed]
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	or	cl,cl
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; by art_zh December 2009
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	jz	no_ummio_here
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	mov ch, byte [V_Bus]
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	mov 	ch, byte [V_Bus]
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	mov cl, byte [V_Dev]
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	mov 	cl, byte [V_Dev]
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	mcall	62, 11		; detect uMMIO
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	mcall	62, 11		; detect uMMIO
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	and	ax,0x7fff
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	inc 	ax			; -1 returned?
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	jo 	no_ummio_allowed
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	cmp eax, -2
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	inc 	ax			; -2 returned?
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	jo 	no_ummio_here
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	inc 	ax			; -3 returned?
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	je no_ummio_here
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	jo 	no_ummio_here
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	mov esi, 0x990033   ; highlighted text color
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	mov 	esi, 0x990033   ; highlighted text color
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	mov bh, byte [V_Bus]
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	mov 	bh, byte [V_Bus]
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	mov bl, byte [V_Dev]
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	mov 	bl, byte [V_Dev]
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	mov byte [MMIO_Bus], bh
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	mov 	byte [MMIO_Bus], bh
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PCI_SubClass	db ?
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PCI_SubClass	db ?
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PCI_Interface	db ?
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PCI_Interface	db ?
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PCI_IRQ 	db ?
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PCI_IRQ 	db ?
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align 4
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align 4
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MMIO_Bus	db ?
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MMIO_Bus	db 255
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MMIO_Dev	db ?
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MMIO_Dev	db 255
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MMIO_BAR	db 0
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MMIO_BAR	db 0
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MMIO_Blk	db 0
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MMIO_allowed	db 1
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MMIO_Map	rd 8
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MMIO_Map	rd 8
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