.L5:    call dword [pcnet32_access.write_csr]    cmp [pcnet32_private.mii],0    je .L6    test [pcnet32_private.options],PCNET32_PORT_ASEL    jnz .L6    mov ebx,32    call dword [pcnet32_access.read_bcr]    and eax,not 0x38    test [pcnet32_private.options],PCNET32_PORT_FD    jz .L7    or eax,0x10.L7:    test [pcnet32_private.options],PCNET32_PORT_100    jz .L8    or eax,0x08.L8:    call dword [pcnet32_access.write_bcr]    jmp .L9.L6:    test [pcnet32_private.options],PCNET32_PORT_ASEL    jz .L9    mov ebx,32;    PutStr "ASEL, enable auto-negotiation"    call dword [pcnet32_access.read_bcr]    and eax,not 0x98    or eax,0x20    call dword [pcnet32_access.write_bcr].L9:    cmp [pcnet32_private.ltint],0    je .L10    mov ebx,5    call dword [pcnet32_access.read_csr]    or eax,(1 shl 14)    call dword [pcnet32_access.write_csr].L10:    mov eax,[pcnet32_private.options]    and eax,PCNET32_PORT_PORTSEL    shl eax,7    mov [pcnet32_private.mode],ax    mov [pcnet32_private.filter],dword 0xffffffff    mov [pcnet32_private.filter+4],dword 0xffffffff    call pcnet32_init_ring    mov ebx,1    mov eax,pcnet32_private    and eax,0xffff    call dword [pcnet32_access.write_csr]    mov eax,pcnet32_private    mov ebx,2    shr eax,16    call dword [pcnet32_access.write_csr]    mov ebx,4    mov eax,0x0915    call dword [pcnet32_access.write_csr]    mov ebx,0    mov eax,1    call dword [pcnet32_access.write_csr]    mov ecx,100.L11:    xor ebx,ebx    call dword [pcnet32_access.read_csr]    test ax,0x100    jnz .L12    loop .L11.L12:;    PutStr "hardware reset"    xor ebx,ebx    mov eax,0x0002    call dword [pcnet32_access.write_csr]    xor ebx,ebx    call dword [pcnet32_access.read_csr];    PutStr "PCNET reset complete"    retpcnet32_adjust_pci_device:   ;*******Get current setting************************   mov     al, 2					;read a word   mov     bh, [pci_dev]   mov     ah, [pci_bus]   mov     bl, 0x04				    ;from command Register   call    pci_read_reg   ;******see if its already set as bus master********   mov      bx, ax   and      bx,5   cmp      bx,5   je       pcnet32_adjust_pci_device_Latency   ;******Make card a bus master*******   mov      cx, ax				;value to write   mov     bh, [pci_dev]   mov     al, 2				;write a word   or       cx,5   mov     ah, [pci_bus]   mov     bl, 0x04				;to command register   call    pci_write_reg   ;******Check latency setting***********pcnet32_adjust_pci_device_Latency:   ;*******Get current latency setting************************;   mov     al, 1					;read a byte;   mov     bh, [pci_dev];   mov     ah, [pci_bus];   mov     bl, 0x0D				    ;from Lantency Timer Register;   call    pci_read_reg   ;******see if its aat least 64 clocks********;   cmp      ax,64;   jge      pcnet32_adjust_pci_device_Done   ;******Set latency to 32 clocks*******;   mov     cx, 64				;value to write;   mov     bh, [pci_dev];   mov     al, 1				;write a byte;   mov     ah, [pci_bus];   mov     bl, 0x0D				;to Lantency Timer Register;   call    pci_write_reg   ;******Check latency setting***********pcnet32_adjust_pci_device_Done:   retpcnet32_probe:    mov ebp,[io_addr]    call pcnet32_wio_reset    xor ebx,ebx    call pcnet32_wio_read_csr    cmp eax,4    jne .try_dwio    call pcnet32_wio_check    and al,al    jz .try_dwio;    PutStr "Using WIO"    mov esi,pcnet32_wio    jmp .L1.try_dwio:    call pcnet32_dwio_reset    xor ebx,ebx    call pcnet32_dwio_read_csr    cmp eax,4    jne .no_dev    call pcnet32_dwio_check    and al,al    jz .no_dev;    PutStr "Using DWIO"    mov esi,pcnet32_dwio    jmp .L1.no_dev:;    PutStr "PCNET32 not found"    ret.L1:    mov edi,pcnet32_access    mov ecx,7    cld    rep movsd    mov ebx,88    call dword [pcnet32_access.read_csr]    mov ecx,eax    mov ebx,89    call dword [pcnet32_access.read_csr]    shl eax,16    or eax,ecx    mov ecx,eax    and ecx,0xfff    cmp ecx,3    jne .no_dev    shr eax,12    and eax,0xffff    mov [pcnet32_private.chip_version],eax;    PutStr "PCNET32 chip version OK"    mov [pcnet32_private.fdx],0    mov [pcnet32_private.mii],0    mov [pcnet32_private.fset],0    mov [pcnet32_private.dxsuflo],0    mov [pcnet32_private.ltint],0    mov eax,[pcnet32_private.chip_version]    cmp eax,0x2420    je .L2    cmp eax,0x2430    je .L3    cmp eax,0x2621    je .L4    cmp eax,0x2623    je .L5    cmp eax,0x2624    je .L6    cmp eax,0x2625    je .L7    cmp eax,0x2626    je .L8    cmp eax,0x2627    je .L9;    PutStr "Invalid chip rev"    jmp .no_dev.L2:;    PutStr "PCnet/PCI 79C970"    jmp .L10.L3:;    PutStr "PCnet/PCI 79C970"    jmp .L10.L4:;    PutStr "PCnet/PCI II 79C970A"    mov [pcnet32_private.fdx],1    jmp .L10.L5:;    PutStr "PCnet/FAST 79C971"    mov [pcnet32_private.fdx],1    mov [pcnet32_private.mii],1    mov [pcnet32_private.fset],1    mov [pcnet32_private.ltint],1    jmp .L10.L6:;    PutStr "PCnet/FAST+ 79C972"    mov [pcnet32_private.fdx],1    mov [pcnet32_private.mii],1    mov [pcnet32_private.fset],1    jmp .L10.L7:;    PutStr "PCnet/FAST III 79C973"    mov [pcnet32_private.fdx],1    mov [pcnet32_private.mii],1    jmp .L10.L8:;    PutStr "PCnet/Home 79C978"    mov [pcnet32_private.fdx],1    mov ebx,49    call dword [pcnet32_access.read_bcr]    call dword [pcnet32_access.write_bcr]    jmp .L10.L9:;    PutStr "PCnet/FAST III 79C975"    mov [pcnet32_private.fdx],1    mov [pcnet32_private.mii],1.L10:    cmp [pcnet32_private.fset],1    jne .L11    mov ebx,18    call dword [pcnet32_access.read_bcr]    or eax,0x800    call dword [pcnet32_access.write_bcr]    mov ebx,80    call dword [pcnet32_access.read_csr]    and eax,0xc00    or eax,0xc00    call dword [pcnet32_access.write_csr]    mov [pcnet32_private.dxsuflo],1    mov [pcnet32_private.ltint],1.L11:    ; read MAC    mov edi,node_addr    mov edx,ebp    mov ecx,6.Lmac:    in al,dx    stosb    inc edx    loop .Lmac;    PutStr "MAC read"    call pcnet32_adjust_pci_device;    PutStr "PCI done"    mov eax,PCNET32_PORT_ASEL    mov [pcnet32_private.options],eax    mov [pcnet32_private.mode],word 0x0003    mov [pcnet32_private.tlen_rlen],word (PCNET32_TX_RING_LEN_BITS or PCNET32_RX_RING_LEN_BITS)    mov esi,node_addr    mov edi,pcnet32_private.phys_addr    cld    movsd    movsw    mov [pcnet32_private.filter],dword 0    mov [pcnet32_private.filter+4],dword 0    mov dword [pcnet32_private.rx_ring],pcnet32_rx_ring    mov dword [pcnet32_private.tx_ring],pcnet32_tx_ring;    PutStr "Switching to 32"    mov ebx,20    mov eax,2    call dword [pcnet32_access.write_bcr]    mov ebx,1    mov eax,(pcnet32_private and 0xffff)    call dword [pcnet32_access.write_csr]    mov ebx,2    mov eax,(pcnet32_private shr 16) and 0xffff    call dword [pcnet32_access.write_csr]    mov ebx,0    mov eax,1    call dword [pcnet32_access.write_csr]    mov esi,1    call delay_ms    call pcnet32_reset    mov eax, [pci_data]    mov [eth_status], eax    retpcnet32_poll:    xor eax,eax    mov [eth_rx_data_len],ax    mov eax,[pcnet32_private.cur_rx]    and eax,PCNET32_RX_RING_MOD_MASK    mov ebx,eax    imul esi,eax,PCNET32_PKT_BUF_SZ    add esi,pcnet32_rxb    shl ebx,4    add ebx,pcnet32_rx_ring    mov cx,[ebx+pcnet32_rx_head.status]    test cx,0x8000    jnz .L1    cmp ch,3    jne .L1;    PutStr "PCNETRX"    mov ecx,[ebx+pcnet32_rx_head.msg_length]    and ecx,0xfff    sub ecx,4    mov [eth_rx_data_len],cx    push ecx    shr ecx,2    mov edi,Ether_buffer    cld    rep movsd    pop ecx    and ecx,3    rep movsb    mov [ebx+pcnet32_rx_head.buf_length],word PCNET32_PKT_BUF_SZ_NEG    or [ebx+pcnet32_rx_head.status],word 0x8000    inc [pcnet32_private.cur_rx].L1:    ret;         Pointer to 48 bit destination address in edi;         Type of packet in bx;         size of packet in ecx;         pointer to packet data in esipcnet32_xmit:    push edi    push esi    push ebx    push ecx;    PutStr "PCNETTX"    mov esi,edi    mov edi,[pcnet32_private.cur_tx]    imul edi,PCNET32_PKT_BUF_SZ    add edi,pcnet32_txb ; edi=ptxb    mov eax,edi    cld		; copy MAC    movsd    movsw    mov esi,node_addr    cld    movsd    movsw    mov [edi],bx    add edi,2    mov esi,[esp+8]    mov ecx,[esp]    push ecx    shr ecx,2    cld    rep movsd    pop ecx    and ecx,3    rep movsb;    mov ecx,[esp];    add ecx,14 ; ETH_HLEN;    xor eax,eax; pad to min length (60=ETH_ZLEN);    cmp ecx,60;    jae .L1;    sub ecx,60;    cld;    rep stosb;.L1:    mov edi,pcnet32_tx_ring+0	; entry=0    mov ecx,[esp]    add ecx,14    cmp cx,60    jae .L1    mov cx,60.L1:    neg cx    mov [edi+pcnet32_tx_head.length],cx    mov [edi+pcnet32_tx_head.misc],dword 0    mov [edi+pcnet32_tx_head.base],eax    mov [edi+pcnet32_tx_head.status],word 0x8300    ; trigger an immediate send poll    mov ebx,0    mov eax,0x0008	; 0x0048    mov ebp,[io_addr]    call dword [pcnet32_access.write_csr]    mov dword [pcnet32_private.cur_tx],0    ; wait for TX to complete    mov ecx,[0xfdf0]    add ecx,100.L2:    mov ax,[edi+pcnet32_tx_head.status]    test ax,0x8000    jz .L3    cmp ecx,[0xfdf0]    jb .L4    mov esi,10    call delay_ms    jnz .L2.L4:;    PutStr "PCNET: Send timeout".L3:    mov dword [edi+pcnet32_tx_head.base],0    pop ecx    pop ebx    pop esi    pop edi    ret