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Microsoft Windows NT Build 511 (DDK SDK) 11-01-1993
/*++
Copyright (c) 1993 - Colorado Memory Systems, Inc.
All Rights Reserved
Module Name:
mt1defs..h
Abstract:
Revision History:
--*/
#define FIRM_VERSION_60 60 // First jumbo B firmware version
#define FIRM_VERSION_63 63 // Cart in problems
#define FIRM_VERSION_64 64 // First Firmware version to support Skip_n_Seg through the Erase Gap
#define FIRM_VERSION_65 65 // First Firmware version to support Pegasus
#define FIRM_VERSION_80 80 // First Firmware version to support Jumbo c
#define FIRM_VERSION_87 87 // First Firmware revision to support QIC-117 C
#define FIRM_VERSION_110 110 // First Firmware version to support Eagle
// EQU's for QIC-40 firmware commands
typedef enum _FIRMWARE_CMD {
Soft_Reset = 1, // soft reset of tape drive
Rpt_Next_Bit = 2, // report next bit (in report subcontext)
Pause = 3, // pause tape motion
Micro_Pause = 4, // pause and microstep the head
Alt_Timeout = 5, // set alternate command timeout
Report_Status = 6, // report drive status
Report_Error = 7, // report drive error code
Report_Confg = 8, // report drive configuration
Report_ROM = 9, // report ROM version
Rpt_Signature = 9, // report drive signature (model dependant diagnostic mode)
Logical_Fwd = 10, // move tape in logical forward mo
Physical_Rev = 11, // move tape in physical reverse mode
Physical_Fwd = 12, // move tape in physical forward mode
Seek_Track = 13, // seek head to track position
Seek_LP = 14, // seek load point
Format_Mode = 15, // enter format mode
Write_Ref = 16, // write reference burst
Verify_Mode = 17, // enter verify mode
Park_Head = 17, // park head (model dependant diagnostic mode)
Stop_Tape = 18, // stop the tape
Read_Noise_Code = 18, // check noise on drive (model dependent diagnostic mode)
Microstep_up = 21, // microstep head up
Disable_WP = 21, // disable write protect line (model dependent diagnostic mode)
Microstep_down = 22, // microstep head down
Set_Gain = 22, // set absolute drive gain (model dependant diagnostic mode)
Read_Port2 = 23, // read the drive processor port 2 (diagnostic command)
Report_Vendor = 24, // report vendor number
Skip_N_Rev = 25, // skip n segments reverse
Skip_N_Fwd = 26, // skip n segments forward
Select_Speed = 27, // select tape speed
Diag_1_Mode = 28, // enter diagnostic mode 1
Diag_2_Mode = 29, // enter diagnostic mode 2
Primary_Mode = 30, // enter primary mode
Report_Vendor32 = 32, // report vendor number (for firmware versions > 33)
Report_Tape_Stat = 33, // reports the tape format of the currently loaded tape
Skip_N_Rev_Ext = 34, // skip n segments reverse (extended format)
Skip_N_Fwd_Ext = 35, // skip n segments forward (extended format)
Rpt_CMS_Status = 37, // report CMS status byte (model dependant - diagnostic mode)
Read_Ram = 44, // read tape drive RAM
New_Tape = 45, // load tape sequence
Select_Drive = 46, // select the tape drive
Deselect_Drive = 47, // deselect the tape drive
ReportProtoVer = 50, // reports firmware prototype version number (model dependant - diagnostic mode)
Dtrain_Info = 53, // enter Drive Train Information mode (model dependant - diagnostic mode)
Mtn_Select_1 = 23, // Mountain select byte 1
Mtn_Select_2 = 20, // Mountain select byte 2
Mtn_Deselect = 24, // Mountain deselect byte
Rpt_Archive_Native_Mode = 40 // Archive Native Mode diagnostic command
} FIRMWARE_CMD, *PFIRMWARE_CMD;
// Parameters for the Drive Training Information Commands
#define Gdesp_Info 5
// QIC-40 Firmware errors
typedef enum _FIRMWARE_ERROR {
Drv_Not_Rdy = 1, // command received while drive not ready
No_Cart = 2, // cartridge not present or removed
Speed_Err = 3, // motor speed error
Speed_Anom = 4, // motor speed anomaly (motor jammed, or gross speed error)
Writ_Prot = 5, // cartridge write protected
Undef_Cmd = 6, // undefined or reserved command code
Illegal_Trk = 7, // illegal track address specified for Seek
Cmd_in_Rpt = 8, // illegal command in report subcontext
Bad_Diag_Entry = 9, // illegal entry attempt into a diagnostic mode
Broken_Tape = 10, // broken tape detected (based on hole and mo
Read_Gain_Err = 11, // Warning -- read gain setting error
Cmd_on_Err = 12, // command Received while error status pending
Cmd_on_New_Cart = 13, // command received while new cartridge pendin
Bad_Prm_Cmd = 14, // command illegal or undefined in primary mo
Bad_Fmt_Cmd = 15, // command illegal or undefined in format mode
Bad_Vfy_Cmd = 16, // command illegal or undefined in verify mode
Bad_Log_Fwd = 17, // logical forward not a logical BOT in format mo
Early_Fmt_EOT = 18, // logical EOT before all segments generated
Cmd_on_No_Ref = 19, // command illegal when cartridge not reference
Self_Diag = 20, // self-diagnostic failed -- NOTE: this error CA
Uninit_PROM = 21, // Warning -- EEPROM not initialized, default set
Bad_PROM = 22, // EEPROM contents corrupted or EEPROM hardware m
Motion_Timeout = 23, // tape motion timeout (max EOT-to-BOT time ex
Long_Data_Seg = 24, // data segment too long -- logical forward
Xmit_Overrun = 25, // command transmit overrun (usually a firmware
Pwr_On_Reset = 26, // power on reset occurred
Swre_Reset = 27, // software initiated reset occurred
Diag_Err_2 = 28, // model-dependant diagnostic error
Diag_Err_1 = 29, // model-independant diagnostic error
Non_Int_Cmd = 30, // command received during non-interruptible process
Speed_not_Avail = 31, // speed selection requested is not ava
Inval_Media = 34, // tape media is invalid for the drive (QIC80 only)
Head_Ref_Fail = 35, // head reference failure (QIC80 only)
Edge_Seek_Fail = 36, // seeking to edge tracks failed (QIC80 only)
Mssng_Train_Tbl = 37, // 37 - Missing Training Table
Invalid_Format = 38, // 38 - Invalid Format
EOT_Sensor_Flr = 39, // 39 - EOT/BOT Sensor Failure
Trn_Tbl_Chksum = 40, // 40 - Training Table Checksum Error
Wtchdog_Reset = 41, // 41 - Watchdog Timer Reset Occurred
Illegal_Error = 42, // 42 - Illegal Error Number
NotRdy = 106 // Drive Not Ready
} FIRMWARE_ERROR, *PFIRMWARE_ERROR;
// Floppy Disk Port constants
// normal drive B
#define curb 1
#define selb 0x2d // 00101101: motor B + enable DMA/IRQ/FDC + sel B
#define dselb 0x0c // 00001100: enable DMA/IRQ/FDC + sel A
// unselected drive
#define curu 0
#define selu 0x0d // 00001101: enable DMA/IRQ/FDC + sel B
#define dselu 0x0c // 00001100: enable DMA/IRQ/FDC + sel A
// normal drive D
#define curd 3
#define seld 0x8f // 10001111: motor D + enable DMA/IRQ/FDC + sel D
#define dseld 0x0e // 00001110 motor D + enable DMA/IRQ/FDC + sel C
// laptop unselected drive
#define curub 0
#define selub 0x2d // 00101101: motor B + enable DMA/IRQ/FDC + sel B
#define dselub 0x0c // 00001100: enable DMA/IRQ/FDC + sel A
#define alloff 0x08 // no motor + enable DMA/IRQ + disable FDC + sel A
#define fdc_idle 0x0c // no motor + enable DMA/IRQ/FDC + sel A
#define DRIVE_ID_MASK 0x03
// Floppy configuration parameters
#define FDC_FIFO 15 // FIFO size for an 82077
#define FMT_GPL 233 // gap length for format (QIC-40 205ft & 310ft)
#define WRT_GPL 109 // gap length for write (QIC-40 205ft & 310ft)
#define FMT_BPS 03 // bytes per sector for formatting(1024)
#define WRT_BPS FMT_BPS // bytes per sector for reading/writing (1024)
#define FSC_SEG 32 // floppy sectors per segment (QIC-40 205ft & 310ft)
#define SEG_FTK 4 // segments per floppy track (QIC-40 205ft & 310ft)
#define FSC_FTK (FSC_SEG*SEG_FTK) // floppy sectors per floppy track (QIC-40 205ft & 310ft)
#define SEG_TTRK_40 68 // segments per tape track (QIC-40 205ft)
#define SEG_TTRK_40L 102 // segments per tape track (QIC-40 310ft)
#define SEG_TTRK_80 100 // segments per tape track (QIC-80 205ft)
#define SEG_TTRK_80L 150 // segments per tape track (QIC-80 310ft)
#define SEG_TTRK_QICEST_40 365 // segments per tape track (QIC-40 QICEST)
#define SEG_TTRK_QICEST_80 537 // segments per tape track (QIC-80 QICEST)
#define SEG_TTRK_500 422 // segments per tape track (QIC-500)
#define SEG_TTRK_500L 1574 // segments per tape track (QIC-500)
#define FTK_FSD_40 170 // floppy tracks per floppy side (QIC-40 205ft)
#define FTK_FSD_40L 255 // floppy tracks per floppy side (QIC-40 310ft)
#define FTK_FSD_80 150 // floppy tracks per floppy side (QIC-80 205ft)
#define FTK_FSD_80L 150 // floppy tracks per floppy side (QIC-80 310ft)
#define FTK_FSD_QICEST_40 254 // floppy tracks per floppy side (QIC-40 QICEST) */
#define FTK_FSD_QICEST_80 254 // floppy tracks per floppy side (QIC-80 QICEST) */
#define FTK_FSD_500 254 // floppy tracks per floppy side (QIC-500) */
#define FTK_FSD_QICEST_500 254 // floppy tracks per floppy side (QIC-500) */
#define NUM_TTRK_40 20 // number of tape tracks (QIC-40 205ft & 310ft)
#define NUM_TTRK_80 28 // number of tape tracks (QIC-40 205ft & 310ft)
#define NUM_TTRK_500 40 // number of tape tracks (QIC-500)
#define PHY_SIZ 1024 // number of bytes per sector
//
// Tape Format Types and lengths/Coercivity
//
#define QIC_UNKNOWN 0 // Unknown Tape Format and Length
#define QIC_40 1 // QIC-40 Tape Format
#define QIC_80 2 // QIC-80 Tape Format
#define QIC_500 3 // QIC-500 Tape Format
#define QIC_SHORT 1 // Length = 205 & Coercivity = 550 Oe
#define QIC_LONG 2 // Length = 307.5 & Coercivity = 550 Oe
#define QIC_SHORT_900 3 // Length = 295 & Coercivity = 900 Oe
#define QICEST 4 // Length = 1100 & Coercivity = 550 Oe
#define QICEST_900 5 // Length = 1100 & Coercivity = 900 Oe
// Floppy disk controller misc constants
// 82077 version number
#define VALID_NEC_FDC 0x90 // version number
#define NSC_PRIMARY_VERSION 0x70 // National 8477 verion number
#define NSC_MASK 0xF0 // mask for National version number
#define FDC_82078_44_MASK 0x40 // mask for 82078 44 pin part id
// main status register
#define MSR_RQM 0x80 // request for master
#define MSR_DIO 0x40 // data input/output (0=input, 1=output)
#define MSR_EXM 0x20 // execution mode
#define MSR_CB 0x10 // FDC busy
#define MSR_D3B 0x08 // FDD 3 busy
#define MSR_D2B 0x04 // FDD 2 busy
#define MSR_D1B 0x02 // FDD 1 busy
#define MSR_D0B 0x01 // FDD 0 busy
// status register 0
#define ST0_IC 0xC0 // Interrupt code (00=Normal, 01=Abnormal, 10=Illegal cmd, 11=Abnormal)
#define ST0_SE 0x20 // Seek end
#define ST0_EC 0x10 // Equipment check
#define ST0_NR 0x08 // Not Ready
#define ST0_HD 0x04 // Head Address
#define ST0_US 0x03 // Unit Select (0-3)
// status register 1
#define ST1_EN 0x80 // End of Cylinder
#define ST1_DE 0x20 // Data Error (CRC error)
#define ST1_OR 0x10 // Over Run
#define ST1_ND 0x04 // No Data
#define ST1_NW 0x02 // Not Writable (write protect error)
#define ST1_MA 0x01 // Missing Address Mark
// status register 2
#define ST2_CM 0x40 // Control Mark (Deleted Data Mark)
#define ST2_DD 0x20 // Data Error in Data Field
#define ST2_WC 0x10 // Wrong Cylinder
#define ST2_SH 0x08 // Scan Equal Hit
#define ST2_SN 0x04 // Scan Not Satisfied
#define ST2_BC 0x02 // Bad Cylinder
#define ST2_MD 0x01 // Missing Address Mark in Data Field
// status register 3
#define ST3_FT 0x80 // Fault
#define ST3_WP 0x40 // Write Protected
#define ST3_RY 0x20 // Ready
#define ST3_T0 0x10 // Track 0
#define ST3_TS 0x08 // Two Side
#define ST3_HD 0x04 // Head address
#define ST3_US 0x03 // Unit Select (0-3)
// Misc. constants
#define FWD 0 // seek in the logical forward direction
#define REV 1 // seek in the logical reverse direction
#define STOP_LEN 5 // approximate number of blocks used to stop the tape
#define SEEK_SLOP 3 // number of blocks to overshoot at high speed in a seek
#define SEEK_TIMED 0x01 // Perform a timed seek
#define SEEK_SKIP 0x02 // perform a skip N segemnts seek
#define SEEK_SKIP_EXTENDED 0x03 // perform an extended skip N segemnts seek
// number of blocks to overshoot when performing a high speed reverve seek
#define QIC_REV_OFFSET 3
#define QIC_REV_OFFSET_L 4
#define QICEST_REV_OFFSET 14
#define MAX_SKIP 255 // Max number of segments that a Skip N Segs command can skip
#define MAX_SEEK_NIBBLES 3 // Maximum number of nibbles in an extended mode seek
#define NumBad 10 // number of bad READ ID's in row for no_data error
#define OR_TRYS 10 // number of Over Runs ignored per block (system 50)
#define PRIMARY_MODE 0 // tape drive is in primary mode
#define FORMAT_MODE 1 // tape drive is in format mode
#define VERIFY_MODE 2 // tape drive is in verify mode
#define DIAGNOSTIC_1_MODE 3 // tape drive is in diagnostic mode 1
#define DIAGNOSTIC_2_MODE 4 // tape drive is in diagnostic mode 2
#define DMA_WRITE FALSE // Program the DMA to write (FDC->DMA->RAM)
#define DMA_READ TRUE // Program the DMA to read (RAM->DMA->FDC)
#define READ_BYTE 8 // Number of Bytes to receive from the tape
#define READ_WORD 16 // drive during communication.
#define HD_SELECT 0x01 // High Density Select bit from the PS/2 DCR
#define TAPE_250Kbps 0 // Program drive for 250 Kbps transfer rate
#define TAPE_2Mbps 1 // Program drive for 2Mbps transfer rate
#define TAPE_500Kbps 2 // Program drive for 500 Kbps transfer rate
#define TAPE_1Mbps 3 // Program drive for 1 Mbps transfer rate
#define FDC_250Kbps 2 // Program FDC for 250 Kbps transfer rate
#define FDC_500Kbps 0 // Program FDC for 500 Kbps transfer rate
#define FDC_1Mbps 3 // Program FDC for 1 Mbps transfer rate
#define FDC_2Mbps 1 // Program FDC for 2 Mbps transfer rate
#define SRT_250Kbps 0xff // FDC step rate for 250 Kbps transfer rate
#define SRT_500Kbps 0xef // FDC step rate for 500 Kbps transfer rate
#define SRT_1Mbps 0xdf // FDC step ratefor 1 Mbps transfer rate
#define SRT_2Mbps 0xcf // FDC step rate for 2 Mbps transfer rate
#define SPEED_MASK 0x03 // FDC speed mask for lower bits
#define SLOW 0 // current transfer rate is slow
#define FAST 1 // current transfer rate is fast
#define FDC_2MBPS_TABLE 2 // 2 Mbps data rate table for the 82078
#define UNKNOWN 0xFF // drive_type = unknown
#define CMS 0 // drive_type = CMS (command set specific) drive
#define SUMMIT 1 // drive_type = Summit
#define WANGTEK 2 // drive_type = Wangtek
#define CORE 3 // drive_type = Core
#define ARCHIVE 4 // drive_type = Archive
#define CMS_ENHANCEMENTS 5 // drive_type = CMS Enhancements
#define IOMEGA 6 // drive_type = IOMega
#define UNSUPPORTED 7 // drive_type = Unsupported
#define CMS_SIG 0xa5 // drive signature for CMS drives
#define CMS_VEND_NO 0x0047 // CMS vendor number
#define SUMMIT_VEND_NO 0x0180 // Summit vendor number
#define IOMEGA_VEND_NO 0x8880 // Iomega vendor number
#define WANGTEK_VEND_NO 0x01c0 // Wangtek vendor number
#define TECHMAR_VEND_NO 0x01c0 // Techmar vendor number
#define CORE_VEND_NO 0x0000 // Core vendor number
#define ARCHIVE_VEND_NO_OLD 0x0005 // Archive vendor number (old mode)
#define ARCHIVE_VEND_NO_NEW 0x0140 // Archive vendor number (new mode)
#define VENDOR_MASK 0xffc0 // Vendor id mask
#define SUMMIT_QIC80 0x0001 // Summit QIC80 Model #
#define WANGTEK_QIC80 0x000a // Wangtek QIC80 Model #
#define WANGTEK_QIC40 0x0002 // Wangtek QIC40 Model #
#define CORE_QIC80 0x0021 // Core QIC80 Model #
//
// Archive Native mode defines
//
#define ARCHIVE_500KB_XFER 0x0400 // 500 KB xfer rate
#define ARCHIVE_1MB_XFER 0x0800 // 1 MB xfer rate
#define ARCHIVE_20_TRACK 0x0001 // Drive supports 20 tracks
#define ARCHIVE_28_TRACK 0x000e // Drive supports 28 tracks
#define ARCHIVE_MODEL_5580 0x0002 // Archive Model 5580 series (Hornet)
#define ARCHIVE_MODEL_XKE 0x0004 // Archive 11250 series (1" drives) XKE
#define ARCHIVE_MODEL_XKEII 0x0008 // Archive 11250 series (1" drives) XKEII
#define FDC_PART_ID 0x11 // Part Id Command
#define READ 0x46 // read data + MFM + do not Skip del. data + not Multi-track
#define WRITE 0x45 // write data + MFM + not Multi-track
#define WRTDEL 0x49 // write deleted data + MFM + not Multi-track
#define FDC_SNS_INT 0x08 // FDC sense interrupt status
#define FDC_VERSION 0x10 // report FDC version
#define NSC_VERSION 0x18 // report National 8477 version
#define FDC_CONFIG 0x13 // configure 82077 FDC
#define FDC_SPECIFY 0x03 // specify setup parameters
#define FDC_SAVE 0x4e // 82078 64 pin save state command
#define FDC_DRIVE_SPECIFY 0x8e // 82078 64 pin drive specification command
#define PERP_MODE_COMMAND 0x12 // Perpendicular Mode Command Byte
#define FDC_P_MODE2 0x00 // second byte of perpendicular mode cmd
#define FDC_INVALID_CMD 0x80 // invalid cmd sent to FDC returns this value
#define RTIMES 3 // times to retry on a read of a sector (retry mode)
#define NTIMES 2 // times to retry on a read of a sector (normaly)
#define WTIMES 10 // times to retry on a write of a sector
#define VTIMES 0 // times to retry on verify
#define ANTIMES 0
#define ARTIMES 6
#define DRIVE_SPEC_SAVE 2 // sizeof the drive spec save command
#define FIND_RETRIES 2
#define REPORT_RPT 6 // Number of times to attempt drive communication when
// an ESD induced error is suspected.
#define FDC_MSR_RETRIES 50 // Number of times to read the FDC Main
// Status Register before reporting a NECFlt
#define DRIVEA 0
#define DRIVEB 1
#define DRIVEC 2
#define DRIVED 3
#define DRIVEU 4
#define DRIVEUB 5
#define DISABLE_PRECOMP 1 // Value used by the 82078's Drive Spec
// command to disable Precomp
#define FDC_BOOT_MASK 0x06 // Mask used to isolate the Boot Select
// Bits in the TDR Register
#define MAX_SEEK_COUNT 10
#define WRITE_REF_RPT 2
#define _DISK_RESET 0
#define WRITE_PROTECT_MASK 0x20 // bit from byte from port 2 of the jumbo B processor that indicates write protect
// Constants for sense_speed algorithm
// These ranges are based on 1.5 sec @ 250kb. The units are 54.95ms (1 IBM PC
// timer tick (18.2 times a second)) and are +-1 tick from nominal due to time
// base fluctuation (in FDC and IBM PC TIMER).
// The threshold for the 750kb transfer rate is < 11 ticks due to the
// uncertainty of this future transfer rate.
// If a transfer rate of 750kb is needed code MUST be added to verify that
// 750kb does exist
#define sect_cnt 35 // .04285 sec. per sector * 35 = 1.4997 sec.
#define MIN1000 0
#define MAX1000 11
#define MIN500 12
#define MAX500 15
#define MIN250 26
#define MAX250 29
// Array indices and size for the time_out array. The time out array contains the *
// time outs for the QIC-117 commands.
#define L_SLOW 0
#define L_FAST 1
#define PHYSICAL 2
#define TIME_OUT_SIZE 3
// Constants for the arrays defined in the S_O_DGetInfo structure
#define OEM_LENGTH 20
#define SERIAL_NUM_LENGTH 4
#define MAN_DATE_LENGTH 2
#define PEGASUS_START_DATE 517
// Constant for the array dimension used in Q117iHighSpeedSeek
#define FOUR_NIBS 4
// Constants for identifing bytes in a word array
#define LOW_BYTE 0
#define HI_BYTE 1
// Strings that are sent to DComFirm
#define DCOMFIRM_READ_RAM_STRING "\x01\x2C\xFD\x01\x00"
#define DCOMFIRM_SET_RAM_STRING "\x04\x2A\x00\x2B\x00\xFD\x00"
#define DCOMFIRM_WRITE_RAM_STRING "\x06\x28\x28\x00\x29\x29\x00\xFD\x00"
// The number of characters in the DComFirm strings
#define DCOMFIRM_NUM_READ_RAM_CHARS 5
#define DCOMFIRM_NUM_SET_RAM_CHARS 7
#define DCOMFIRM_NUM_WRITE_RAM_CHARS 9
// Numbers used as arguments to Q117iGetComFirmStr to indicate the desired
// DComfirm String
#define DCOMFIRM_READ_RAM_REQ 0
#define DCOMFIRM_SET_RAM_REQ 1
#define DCOMFIRM_WRITE_RAM_REQ 2
#define DCOMFIRM_MAX_CHARS 10 // Max number of chars in a DComFirm string
// Various addresses used as arguments in the set ram command for the Sankyo
// motor fix hack
#define DBL_HOLE_CNTER_ADD_UPPER_NIBBLE 5
#define DBL_HOLE_CNTER_ADD_LOWER_NIBBLE 0xD
#define HOLE_FLAG_BYTE_ADD_UPPER_NIBBLE 4
#define HOLE_FLAG_BYTE_ADD_LOWER_NIBBLE 8
#define TAPE_ZONE_BYTE_ADD_UPPER_NIBBLE 6
#define TAPE_ZONE_BTYE_ADD_LOWER_NIBBLE 8
// String indices for key bytes in DComFirm Strings
#define DCOMFIRM_READ_RTRN_BYTE_INDEX 4
#define DCOMFIRM_SETRAM_HI_NIB_INDEX 2
#define DCOMFIRM_SETRAM_LOW_NIB_INDEX 4
#define DCOMFIRM_WRTRAM_HI_NIB_INDEX 3
#define DCOMFIRM_WRTRAM_LOW_NIB_INDEX 6
// Miscellaneous defines used in the Sankyo Motor fix hack
#define REVERSE 0
#define FORWARD 1
#define AT_BOT 0
#define AT_EOT 1
#define HOLE_INDICATOR_MASK 0X40
#define EOT_ZONE_COUNTER_UPPER_NIBBLE 2
#define EOT_ZONE_COUNTER_LOWER_NIBBLE 9
#define BOT_ZONE_COUNTER_UPPER_NIBBLE 2
#define BOT_ZONE_COUNTER_LOWER_NIBBLE 3
#define MAX_DECOMFIRM_CHARS 10
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.