diff --git a/src/drivers/PCI.pas b/src/drivers/PCI.pas
new file mode 100644
index 00000000..eca23b2b
--- /dev/null
+++ b/src/drivers/PCI.pas
@@ -0,0 +1,160 @@
+{ ************************************************
+  * Asuro
+  * Unit: Drivers/PCI
+  * Description: PCI Driver
+  ************************************************
+  * Author: Aaron Hance
+  * Contributors: 
+  ************************************************ }
+
+unit PCI
+
+interface
+
+uses
+    system,
+    util;
+
+type 
+
+    TClass_Code = (
+        LEGACY, MASS_STORAGE_CONTROLLER, NETWORK_CONTROLLER,
+        DISPLAY_CONTROLLER, MULTIMEDIA_CONTROLLER, MEMORY_CONTROLLER,
+        BRIDGE_DEVICE, SIMPLE_COMM_CONTROLLER, BASE_SYS_PERIPHERALS,
+        INPUT_DEVICE, DOCKING_STATION, PROCESSOR, SERIAL_BUS_CONTROLLER,
+        WIRELESS_CONTROLLER, INTELLIGENT_IO_CONTROLLER,
+        SATELLITE_COMM_CONTROLLER, ENCRYPTION_CONTROLLER, 
+        SIGNAL_PROCESSING_CONTROLLER, RESERVED
+    ); // 0XFF = OTHER DEVICE
+
+    TSub_Class_Codes record // first half sub device, second half prog id
+        any_non_vga_compatible       : uint16 = $0000;
+        any_vga_compatible           : uint16 = $0100;
+        scsi_bus_controller          : uint16 = $0000;
+        ide_controller               : uint16 = $01FF;
+        floppy_controller            : uint16 = $0200;
+        ipi_bus_controller           : uint16 = $0300;
+        raid_controller              : uint16 = $0400;
+        ata_single_dma               : uint16 = $0520;
+        ata_chained_dma              : uint16 = $0530;
+        serial_ata_ahci_vsi          : uint16 = $0600;
+        serial_ata_ahci              : uint16 = $0601;
+        serial_attached_scsi         : uint16 = $0700;
+        other_mass_storage           : uint16 = $8000;
+        ethernet_controller          : uint16 = $0000;
+        token_ring_controller        : uint16 = $0100;
+        fddi_controller              : uint16 = $0200;
+        atm_controller               : uint16 = $0300;
+        isdn_controller              : uint16 = $0400;
+        worldfip_controller          : uint16 = $0500;
+        picmg_multi_computing        : uint16 = $0600;
+        other_network_controller     : uint16 = $8000;
+        vga_compatible_controller    : uint16 = $0000;
+        c8512_compatible_controller  : uint16 = $0001;
+        xga_controller               : uint16 = $0100;
+        c3d_controller               : uint16 = $0200;
+        other_display_controller     : uint16 = $8000;
+        video_device                 : uint16 = $0000;
+        audio_device                 : uint16 = $0100;
+        computer_telephony_device    : uint16 = $0200;
+        other_multimedia_device      : uint16 = $8000;
+        ram_controller               : uint16 = $0000;
+        flash_controller             : uint16 = $0100;
+        other_memory_controller      : uint16 = $8000;
+        host_bridge                  : uint16 = $0100;
+        isa_bridge                   : uint16 = $0200;
+        eisa_bridge                  : uint16 = $0300;
+        pci_2_pci_bridge             : uint16 = $0400;
+        subtractive_pci_2_pci_bridge : uint16 = $0401;
+        pcmcia_bridge                : uint16 = $0500;
+        nubus_bridge                 : uint16 = $0600;
+        cardbus_bridge               : uint16 = $0700;
+        raceway_bridge               : uint16 = $0800;
+        semi_pci_2_pci_bridge_p      : uint16 = $0940;
+        semi_pci_2_pci_bridge_s      : uint16 = $0980;
+        infiniband_2_pci_bridge      : uint16 = $0A00;
+        other_bridge_device          : uint16 = $8000;
+    end;
+
+    TPCI_Device_class record
+        class_code  : uint8;
+        sub_classes : array[256] of uint8;
+        prog_if     : array[256] of uint8;
+    end;
+
+    TPCI_Config bitpacked record
+        enable_bit      : uint8; //first bit enables, rest reserved
+        bus_number      : uint8; 
+        df_number       : uint8; // 5bits device number, 3bits function number
+        register_offset : uint8; //last 2bits should be 00
+    end;
+
+    TPCI_BIST bitpacked record
+        capable         : boolean;
+        start           : boolean;
+        reserved        : ubit2;
+        completion_code : ubit3;
+    end;
+
+    TPCI_Header_Type bitpacked record
+        MF          : boolean;
+        header_type : ubit7;
+    end;
+
+    TPCI_Device bitpacked record
+        device_id      : uint16;
+        vendor_id      : uint16;
+        status         : uint16;
+        command        : uint16;
+        class_code     : uint8; 
+        subclass_class : uint8; 
+        prog_if        : uint8;
+        revision_id    : uint8;
+        BIST           : TPCI_BIST;
+        header_type    : uint8;
+        latency_timer  : uint8;
+        cache_size     : uint8;
+        address0       : uint32;
+        address1       : uint32;
+        address2       : uint32;
+        address3       : uint32;
+        address4       : uint32;
+        address5       : uint32;
+        CIS_pointer    : uint32;
+        subsystem_id   : uint16;
+        subsystem_vid  : uint16;
+        exp_rom_addr   : uint32;
+        reserved0      : uint16;
+        reserved1      : uint8;
+        capabilities   : uint8;
+        reserved2      : uint32;
+        max_latency    : uint8;
+        min_grant      : uint8;
+        interrupt_pin  : uint8;
+        interrupt_line : uint8;
+    end;       
+    
+    TPCI_Device_Bridge bitpacked record
+
+    end;
+
+    TCommand_Register bitpacked record
+    end;
+
+    TStatus_Register bitpacked record
+    end;
+    
+var
+    classes: array [255] of TPCI_Device_class;
+
+procedure init();
+
+implementation 
+
+    procedure init();
+    begin
+    end;
+
+
+end.
+