Inferno #07 31 мая 2005

Софт

Softinka - DNA_OS v0.431 - package of utilities for working with hard drives, RAM-drives and floppy disks.

            DNA_OS v0.431 help
ZET-9
Last edit 29.05.2005


   DNA_OS v0.431 - an experimental
Demo version of DNA.


        1. What is the DNA?


   The system of DNA (hereinafter - system)
is a package of subroutines and
tools designed to work with wine
Chester, RAM-drives and floppy
disks (floppies). The package includes
actual core of the system, configuration files
system, the envelope system, utilities, drivers
memory and supporting files.


         2. Using the system


    DNA can be used in two ways:

  1) Run the utility, included in the
package. Each utility is designed to
solving a specific problem (eg, simple
Motrya images, using the shell can be
browse directories and disk drives,
 run files, etc).

  2) Use in its n-max function,
provided by the kernel within the
The package (for example, for DOS
improving access to files on HDD).


          3. System Boot


   When you boot first loaded into memory
tsya LOADER kernel (from the ROM, with discrete
chum, or RAM-disk). It loads the kernel system
threads of a certain Island called zag
ruzochnym, and passes control to the kernel.

   Core of the system takes a number of the boot
y va (from their system variables) and for
gruzhaet with this in-va configuration files.

   If you press "Space", the files
configuration is not loaded (as in
the absence of them in the boot of-ve).
After loading the configuration files change
Xia system variables, driver memory, and
Boot Room at Island can also be measured
nitsya (depending on the configuration files
tion).

   Further, the kernel loads the boot
y va a shell (or n-th, whose name was
specified in the configuration file) and transmits
control it.



    Booting from floppy disk


   In this case, the standard
TR-DOS disk with the system files (ie
files included in the package). For a
load of the system must run Bey
Sik-file DNAos431. Now the system attitude
on to boot from disk A:. To start
from another device, the system should perena
build (see below).



          Boot from hard drive


   You must first install
to the hard drive using the utility INSTALL
(This utility is included in the package, undermining
bnosti see: "7. Installation of the system). After
You can then boot from the hard drive
using the boot loader, located in ROM.
You can use the firmware Mr. Gluk Reset
Service v6.1 by Alone Coder'a. Rostral enables
it possible, using the menu item hdd_Boot, loaded
harvesting system with a hard drive connected
as Master.

   In the absence of a boot ROM system
You can download using the BASIC-load
chiki, run from floppy TR-DOS. (This package
includes two versions, one version for download
from the hard drive connected as Master,
second - for Slave).



           Booting from a RAM-disk


   Under the RAM-disk means RAM-disk
File System TR-DOS, which can
be created in the computer's memory with the help of
schyu various means: Real Commander'om
or a special version of the TR-DOS (for example,
5.12; 5.13f; 6.05e; 6b09e).

   First, you must configure the system to
booting from a RAM-disk (for details see: "8.
Setting up the System "); copy system
files on the RAM-disk and then upload
system as a floppy disk.


           4. Working with


   Before the work system must be Present
roit. Details about configuring, see the end.

   After booting the system is booted
shell. The envelope system is designed
to navigate the disc you have, and run
files and utilities.

   In the shell of two panels with the names of fi
fishing: boot directory of Islands (on the left
panel) and the directory system of Islands (on the right
curve the panel).

   You can control the mouse pointer, Joy
sticks and buttons QAOP. Choice - key
"M" (the mouse - is the left button on the joystick
Stick - "Shot"). By default, mouse and
Joystick disabled. Enable them to be in
Setup window.

   The shell provides the following functions.

   When you press the left / right side
screen by paging directory:
page back / vpered.Analog - buttons 1,2.

   When you click in the upper left corner - the window
setting shell: it can be disabled /
include Kempston Mouse, Kempston Joystick,
change the color and keep tuned to BORDER'a
yki shell in the shell file is located
on the boot with-ve (in the absence
Setup window is displayed).

   Clicking on the top of the screen when
leads to a change in the current paneli.Zagolovok those
Booths panel highlighted in yellow tsvetom.Takzhe
you can press "3" for the same purpose.
When you press "R" directory of the current
Panel reread.

   Clicking on the title bar (caption
type: A: SPECTRUM or A: DIMA) leads to
appearance of the windows have a choice-choice in va.Dlya 
Islands must press on his name. U-in

is initialized, and displayed his
directory, or error messages (if no floppy
or partition on the HDD).

   In this window, their names, in a rigidly defined.
If the system settings to change the types of
y-in, here they stay the same (ie already
will not match the reality established
lennym have-you).


 - Drive A, Drive B, Drive C, Drive D - correspondingly
 exist a physical drive A, B, C, D;
 - RAM_0, RAM_1 - 2 RAM-disk with numbers 0
and 1 (default RAM_0 begins in the country
boundary of 63, "growing" down, length of 56 pages;
RAM_1 - nach.v p.31, "growing" down the length
 24 pages);
 - HDD_M0 - 1 st primary partition on the HDD
 Master;

  - HDD_S0 - the same for Slave;
 - HDD_M4; HDD_M5; HDD_M6; HDD_M7 - 1 st, 2 nd,
 3rd and 4 th add. partitions on the HDD Master;
 - HDD_S4; HDD_S5; HDD_S6; HDD_S7 - the same for
 Slave;
 - HDD_M2; HDD_M3 - 3rd and 4 th major time
limits HDD Master (can be run on PCs
 n my Partition Magic 8.0);
 - HDD_S2; HDD_S3 - at the same Slave.


   When you click in the upper right corner of the equivalent
exit wound will appear in the STS, ALASM,
BASIC128, BASIC48, TR-DOS or in a cache.

   When you click on the bottom of the screen
or by pressing the "T" will be called "Window of
cottages. "It shows the number of free
memory pages. On the Spectrum with the volume of the PA
myati 128k will be shown 4 pages, with
memory size 512k and 1024k will be shown
respectively, L and l memory pages (this
glitch) in the presence of the respective drive
pa top pamyati.I below n, we found
in memory. While there are only core system
and her file - a shell (SHELL). If you
see a lot of titles DNA, it can lake
start the driver memory installed in
system is not suited to your computer
(See: "Setting up").

    When you click on the file:

  - If it's BASIC, an attempt is made to
 run;

  - If a program / utility system of DNA
 (Has an extension of SEP), it is run;

  - Click on the file with another extension
leads to the fact that the shell looks for a file
EXTEND.TXT name and it looks the name Uchi
lites designed to open the file
selected extension, then the shell you
shows the system kernel, passing it the name of the fi
la, which should be open, and the name of the n-us, by means
power is open; kernel searches
on the system in-ve n-th and runs it.


   After the release of n-control before we
is in the kernel and the kernel loads the shell
Boot y va (or shell, and the n-th,
whose name is specified in the configuration file).

   In the absence of file EXTEND.TXT on dis
Kyo with opened files EXTEND.TXT sought
on the system in-ve.

   Run / open the files can still
 mi extensions:

   SNA - snapshot of SNA-48k;

   SCR - Standard Screen;

   TRF - code block;

   TXT - text file;

   TRD - disk image of tr-dos;

  SCL - a collection of files tr-dos.


   To go to a subdirectory, you must click on
his name, to come - click on "..".

   You can delete a file by pressing "8"
In doing so, must be above the name
file. A warning appears Delete
file?. "You can not delete the subdirectories (as
place occupied by the files within podkatalo
ha, will be busy). Delete does not work
on the partition formatted as FAT12.

   To copy a file, move the arrow
on the file name and press "5". Shells
PFA will cause the system kernel to boot Uchi
LTL COPY.SEP and give it a name copied
On file.

   If you can not copy the file you
see white BORDER (for example, if a file with
that name already exists), then press
keys "1" will copy the file to the
existing one. In this case, if there
schy file is smaller, it will be
copied to the initial part of the file (how many
fit into an existing file). In the remaining
cases (out of disk space, etc.)
exits to the shell.

   Copy the file on the same drive, but
on the other floppy disks, you will not succeed.


  5. Brief description of programs and utilities

         included in the package



  1) OPEN_SCR.SEP intended to show
Standard Spectrum image length
6912 and the expansion of SCR (scr) (was made
for system testing);



  2) RUN_TRF.SEP runs the files in the format
trf (TRF) (trf format invented INSIDE - it
analog code files, free "live" in
other file systems). Will not start
trf'y having a start address <# 6200;



  3) RUN_SNA.SEP runs the files in the format
snapshots 48k, file extension sna (SNA).
In the end, just before the triggering
com sna, including 0-th page of memory line
mym appeal to the port # 7FFD (but within
program call to the driver through the rubber
Dent). You can fix it, but will spoil the equivalent
wounds are stronger (now the first 20 or 14 bytes
at the beginning of the screen).

    Run the file SNA-48k is the time:

  - Floppy MS-DOS (FAT12) (via # 3D13)
 ok.1 min.

   - Floppy TR-DOS (# 3D13) ok.15 sec.;

   - From the hard disk MS-DOS (FAT16) ok.1 sec.;

  - RAM-disk with TR-DOS ok.0.5 sec.



  4) TRD2DISK.SEP copies files with extensions
rhenium. TRD to TR-DOS'nye drives. After a
load waits 1,2,3,4 to select di
 skovoda A, B, C, D, respectively.

   Attention! If the system is loaded with discrete
salmon on a computer with a floppy drive, and we
want to record on the same drive (but not
on RAM-disk), it is time to change the dispersion
salmon!

   When you press any other key -
completion of the n-my.Unichtozhaet the contents
my mp-dosnogo drive without any additional
queries, replacing it with the file content. TRD
(File - a disk image TR-DOS). Check for
ownership of the file. TRD to the world of TR-DOS does not
made, so be careful (there are
TRD-heap of files on CD-ROM, with careful
examination proved to be a text file with
description of the n-m). Write a floppy TR-DOS
conducted through # 3D13, without error handling
with all with all the holes after
dstviyami (including those can be copied to
RAM-DISK, who TR-DOS 5.13).

   Loading TRD-file is a function
tion system.

   When working BORDER'a changes color: white
color - to download a file from the source; green
- Write to disk receiver.

   TRD file length is not checked: if it
length of the floor-ROM - will be recorded polo
Wine floppy, if length is greater - will be
attempted entry at 160-165 triangle
ki and beyond.

   Even in its present form n-ma recommendations
mended for widespread use - pour
TRD-bunch of files from the CD on the screw (as long as
that on the PC), pull up the screw to the Spectrum and
forward.



  5) SCL2DISK.SEP copies files from the SCL to
floppy TR-DOS. Management: How to TRD2DISK.
Keeps a check on the count of files in the kata
log (128), to free up disk space, and
also on the ownership of the file. SCL to the world
SCL (inside the file ID is searched
SINCLAIR). If the files are in the form of SCL
names match the names on the drive-in
receiver, they are added to the disk without issues
Sov. If the total length of the files in the image of SCL
exceeds the length of free space on
disk, the disk can be written as many files
how intermeddle. SCL can be located on
y-operation with the file system TR-DOS, while
long file SCL is not "unpacked"
t.k.nevozmozhno read outside fi
la, if> 255 sects.



  6) DAT2VID.SEP converts images
BMP file from a video *. DAT (not PCshny) in Spectrum screens 
and records them to file the same length *. VID (file already

should be on the screw in the same directory that
and *. DAT). In the process displays
pictures on the screen. Very long runs
(6.8 megabytes convert minutes 7).



  7) PLAY_VID.SEP loses videos
received the previous prog. The speed with
Screw 12 frames per second (48 k / s - read
with screws through the functions of the system). Video File
roller must be continuous (without fragmentation
mentation). Enter - exit, Space - Pause /
continue. At the end of the file stops.
 Key 1 - again, another - a way out.

   Note: n, and we PLAY_VID DAT2VID
created in order to debug the driver fi
Lovoy system FAT16/FAT12, for testing
of work with long (several megabytes)
files. Practical application now
do not have.



  8) VIEW_TXT.SEP - quite crude, the trial
version. Loads the text into memory (the first 26.5
k). No shows the forty-third character in the string, use
uses two screens and switch between them is not
through the system driver, but directly to the port
# 7ffd (karaul!!).

    Control keys:

  E - exit the shell;

  Q - the page forward;

  W - back to the page;

  R - on the line ahead;
 T - to row back.



  9) CONFIG.SEP establishes a system
system components (*. DNK), listed in
list in memory. Defective, when running
thinks that page is included with the system and
in memory a list of e-Tov. Runs
system boot, if the root CA
Taloga boot from Island to locate a file
CONFIG.DNA. Manual start does not make sense.



  10) COPY.SEP - copier, copies one
file. Called by the shell. Manual starting
makes no sense.


             6. System kernel


   Core of the system during operation is
in one of the memory pages (49152-65535).
The core consists of the elements.

   Element - is a sub-set of m, the combined
common theme (or a driver specific
Nogo in Island).

   E-you are located in the nucleus in the form of a chain
ki. At the beginning of e-ta is a pointer to
the following e-t. E-ton has a name length of 8
bytes.

   The kernel is divided (on probation) on the disk system
topic and resource management system.

   The structure of the disk system necessarily
includes e-t DOS and at least one driver
file system and a driver block
IO. For the convenience of computer file system driver
the new system have names with the termination of DFS
(TR_DFS), and the names of the drivers block TSBs
yes / O have the ending DRV (FDD_DRV,
HDD_DRV).

   Part of the core management resources, has
 E-sure you:

   RUNEXE - deals with the launch of the n-th (files
extension SEP): download a file of n-we
generates a table with data about the current
system configuration, transmits the n-metal address this
 table, and management.

   SYSTEM - provides n-mums copy system
Dark variables, and is also responsible for out of
change in the trap mode (eg, drei
vertical file system TR-DOS accesses
E-tu SYSTEM, to enable interrupt
vany IM 1 Before turning to the ROM
TR-DOS entry point # 3d13).


   Also in the nucleus is a copy of the driver
paged memory, a table with data about
logical disk at the islands.

   To call the functions of the system need to know
name e-ta, and numbers and the input data
for some funktsii.Parametry transfer
are through tablitsu.V general program
ma should form the main memory
(<49152) Table:



     defs m; here are the variables e-ta

    defw 0; here will soobsch.ot system
 TABLE

     defb "RUNEXE"; 8-byte name of e-ta

     defb 0; feature number

     defb 0; number of subfunctions

    defs n; input to function



   IX should point to the label TABLE. By
Call the following e-ta at TABLE-2 will be 2
byte message: if they are both equal to zero -
everything is OK, except when the operations were
oshibki.V specific cases may lack
Vova subfunction number and even number of functions
tion (eg e-t RUNEXE performs only
one function, so the shift TABLE +8
go directly input data, a description of the functions
All e-Tov, see DNAmake.txt), as well as
E-m can be used to change their
GOVERNMENTAL area in the table (from TABLE-m-2 to
TABLE-2).


    7. Installing the system on the hard drive



          Requirements for Winchester


   Requires a standard IDE HDD, connected
chenny as Master or Slave by con
troller IDE scheme Nemo. Need such
Winchester, which already has one or
few (maximum - seven) sections. Times
limits must be formatted in a file
level system FAT16 (or FAT12 - if time
section measures less than 16 megabytes).

   Unfortunately, this version of the system
there is no utility to create partitions
on the disk and their subsequent formatting
screening, therefore, to create and format
sections should be in another kompyutere on which
rum is the means.



      The process of installing a hard drive


   Before you install, configure the system (see
"System Configuration").

   Boot from the disk [not HDD -
a requirement!].

   Run the utility INSTALL.SEP.

   Select your hard drive, which will be the condition
stalled the system (Master or Slave).

   Choose the type of kernel: kernel DNA_OS.

   Next, select a record of the kernel the kernel will
recorded since the third hard drive sectors
(Assuming sector units), pre-
This area is loaded into memory and for
pisana on a floppy disk into files and BOOT_SEC.SYS
SECTOR01.SYS.

   If the kernel does not fit in a boot-sector
Winchester, will be invited to read the file
INSTALL.TXT (it is said that in this case
case is necessary when installing choose the kernel
user, which is shorter).

   Next, select "copy fi
fishing. "If all goes well, there will be over
pis "The system has been successfully installed and will be
asked to run the system with hard drive
To verify the installation.

   DNA_OS.SYS file in the root of HDD
for the system is not used - re
zerv.


           8. System Setup


    When you set up to:

  - Indicate the facilities and loading systems
Nogo-y in the file-system kernel and file
SYSTEM.DNA; for the kernel to load and work
from the HDD installer will set the numbers
in file DNA_OS.SYS, and the file on SYSTEM.DNA
 HDD installation is not copied;

  - To boot from another disk
water indicate the numbers 0,1,2,3 for disk drives
A, B, C, D, respectively (see also about the crust
 Royko RAM-disk);

  - If you are only 128k of memory
delete or rename the file HIMEMORY.DNA
(In the core of the system already has a driver for Speck
 Terumah-128);

  - If more memory to select a driver na
myati and rename it to HIMEMORY.DNA.
The list of available drivers: PENT_256.DNA,
PENT_512.DNA, PENT_1M.DNA, PROFI_1M.DNA.
By default HIMEMORY.DNA contains the driver
 PENT_1M memory (for the Pentagon-1024);

  - Set the RAM-drive (s), if more memory
 lshe than 128k;

  - Enable / disable LBA mode for wines
Comrade Master and Slave;

   Change the parameters needed in the system kernel
(File D4.C) with STS. For version
a system for loading and pa
boots from the hard drive, make changes to the file
DNA_OS.SYS [he does not differ from D4.C].



         Configuring RAM-drive (s)


   RAM-disk driver is connected to the driver
File System TR-DOS.

   Load the core file D4.C or DNA_OS.SYS
 in the STS at the address # BE00.

   (In this version, the start address system
variables, ie SYS_VAR-5, is # E575.)

   At # E739 is the word RAMSETUP. By
# E741 address one byte - number ramdiskov (now the driver 
supports 4 ramdiska), then from the address are on the # E742 5 
bytes  for each RAM-disk:


  1-st byte: if 0 - disk grows up;

            if 1 - disc grows downwards;

  2 and 3 bytes - the number str.nachala RAM-disk;
 4 and 5 bytes - the length of the disk pages.


    Now RAM-drives have the following settings:

  RAM_0 - from p.63, grows down dl.56 p.;

  RAM_1 - from page 31, down 24 pages;

  RAM_2 - from page 15 down, 8 p.

    (It is not in the window for selecting the y-in the shell);

  RAM_3 - from page 8 and up, 56 pages

   (He, too, is not there).


   If you plan to boot the system from
RAM-disk, then install facilities loading and
of the system and y equal to 4 (for RAM_0)
or 5 (for RAM_1): at # E57C and address
# E57D put these numbers in-in. Save
kernel from the address # BE00 # 2B00 length with
filename D4.C. Install the same but
measures at the Islands in the file for bootable SYSTEM.DNA
Nogo and system y in (the bytes at offset
7, 8 from the beginning of the file).



     Enable / disable the LBA Mode


   By default, the screw including Master LBA
chen; screw Slave - disabled.

   Load the core file D4.C or DNA_OS.SYS
in the STS at the address # BE00.

   At # E756 is the word SETUPHDD. By
at # E760 supply 1 (LBA) or 0
(Do not use the mode LBA) for the screw Mas
ter. At # E763 - the same for the Slave.

   Save the core of the system to address # BE00
length # 2B00 named D4.C (or DNA_OS.S,
when installed on HDD, then in COMMAN
rename the tree on DNA_OS.SYS).



         System configuration files

   HIMEMORY.DNA, SYSTEM.DNA, CONFIG.DNA


   WARNING! The system can work normally
assume without these files! (Not to be
SPEED RAM-disk, if it is located in memory
Tee over 128k).

   If you hold the keys "Space" at the beginning
BitTorrent files are ignored (as well as they
absence), and the system will work on
initial settings.



  1) Memory kompyutera.Podderzhivayutsya times
various types of computers in the presence DRY
FAITH MEMORIAL pagination.

   Driver (currently) must be
configured to load address # 5B7B. Its duration
to be no more than 100 bytes. File
drivers must be named and HIMEMORY.DNA
present in the root directory of the zag
ruzochnom y ve. (The file itself can be
have a length> 100 bytes, but will be used
 children only the first 100 bytes.)

   For Spectrum-128 driver is not needed!



  2) The location of the kernel.

   By default, the kernel is in
page number 6.

   To select a page, which will
located at the core of the work
take a look and download SYSTEM.DNA: it 2
byte at offset 2 - page number in which
Torah must be placed at the core of work
ones. After downloading this file the kernel will
 moved to this page.

   Warning: The tests for the existence of this
Page does not!



  3) The file is stored information SYSTEM.DNA
tion about the logic of islands set out in
 system.

   # B1 at offset 1 byte - number of locally
 cal y-in.

    At offset # B2 to 3 bytes in Qty:

  1-byte - number of the driver file system
Topics for the logical y-va (numbering
 tion with the unit);

  2-nd byte - number of the driver block TSBs
Yes-O for the logical y-va
 (Numbered from one);

  3rd byte - number of virtual disk (well
 numbering from zero).

   At offset # 27 - Number of names of drivers
 file system.

   The shift of # 28 is located 6 (on a given
dipole moment) driver names of file systems
 (8 bytes per name).

   At offset # 58 - Number of names of drivers
 block I / O performance.

   The shift of # 59 are 10 (on a given
dipole moment) Driver name vvodavyvoda block (8 bytes per name).

   Example y-in: TR-DOS'nye diskovody.4 shtu
ki. The name of the file system driver for all
TR_DFS located at offset # 28, with
respectively, 1-byte of the top three of all locally
cal y has a value of 0; name drive
pa block I / O for all FDD_DRV
located at offset # 59, respectively
respectively, 2-byte in the top three has a value of 0.
Numbers of virtual disks for the y-in: A = 0;
B = 1; C = 2; D = 3. Consequently, the third byte
trio will each y va 0, 1, 2, 3 with
 respectively. Thus, we have:

   by deposed. # 27 B 1 (1 filesystem driver
 system);

   by deposed. # 58 B 1 (1 block driver
 I / O);

    by deposed. # B1 byte 4 (4 log. U-wa);

   By deposed. # B2 (12 bytes) - 4 on 3 bytes:
0,0,0, 0,0,1, 0,0,2, 0,0,3.

   Naturally, the core system should be
E-you with the names and TR_DFS FDD_DRV. On a given
moment of the 6 names reserved drive
ditch the file system and 10 names of the drivers
Block I / O count of logical
y to be 26, under t.e.zarezervirovano
y-va 26 * 3 = 78 bytes (this restriction is due
with the file size SYSTEM.DNA - 256 bytes), in
will continue to bolshe.Sama system can
have up to 256 y in - but you can make drei
ver, which will provide some
y in a folder in one at-ve and then count
y-in is not limited).

    Now the system is set at 20-under:

   - 4 physical drives;

   - 2 RAM-disk;

  - 7 partitions on HDD Master and Slave.



   4) File CONFIG.DNA (text) contains:

  - At offset 0 - name of the first triggered
n we have (8 bytes). H-atom with the specified name and
SEP extension will be loaded from the root
 Vågå directory on the boot y ve.

  - At offset 8 bytes each (do not use
is, used for visual separation has
 no n we are from the following text).

  - The displacement of 9 are lines of text, Okan
wetting on the character 13, end of file - si
mvol 3. From each of these lines is taken the name
File e-ta - the first 8 bytes of the string. File with
same name and extension is sought in the DNK
the root directory of your boot from Island, and if
found - is downloaded and installed in
system. If 1-byte in the string is ";"
the line is commented out and
ignored.



  5) The file is stored SYSTEM.DNA numbers
 assigned to y-you:

   the displacement of 7 - number of boot-va;

   at offset 8 - Number Systems;

   at offset 9 - the speed dial number;

  the displacement of 10 - the number of islands for the swap.

   Check the numbers at-a thereof. If
Example 4-for-you (see above) indicate
number of the boot more than 3 (y-va label
tsya from zero), then the file itself CONFIG.DNA
shell are not loaded, and then re
stroke in the 7 th page, STS, without checking
differences thereof.

              DNA_OS v0.431



   DNA system supports FDD, HDD (Nemo)
and RAM-Disk.


   Existing driver RAM-disk will allow
em use up to 4 RAM-disks created
in the top pages of memory using the Real
Commander (such RAM-drives start at
the last page and "grow" down) or
firmware ROM TR-DOS, such as dos513f,
dos605e and the like (the driver, in contrast to
In contrast to the dos6b09e, create a less comfortable
RAM-disk, which "grows" up).


   Existing drivers hard drive makes it possible
 lyayut:

   - Simultaneously use two HDD;

  - Use the partitions on the HDD: on camp
nonstandard MBR-screw system "sees" five
partitions - one primary and four additional
Tel'nykh, but only this version recognizes
7 sections (3 core and 4 optional)
on the HDD, connected as Master, and 7
 partition on the HDD, connected as a Slave;

  - Refer to the HDD, using the LBA mode
(If the HDD can support this mode Adre
ation).


    The system has memory for the driver:

   - Spectrum-128;

   - Pentagon 256,512,1024;

  - Profi-1M.


   DNA works with the following file
 systems:

   - TR-DOS (diskette, the RAM-Disk);

  - FAT12, FAT16 (to HDD).


   May be read / write / create / UDA
lyat files. Driver TR-DOS creates the files
maximum length of 65,280 bytes (255 sectors)
FAT16 driver creates a file length of the maximum
mum 16 megabytes minus 1 byte, and for reading
ing / recording of up to 4 GB. On FAT12 function
deleting a file is missing.


   Can provide the program directory /
subdirectories in a universal form (trans
formation of different directories of file systems
satisfied if the function is called "chi
thief catalog lined with flag-transformation
vat).


   Can copy files by using the system
I utilities COPY. The files are copied to one
nomu, in any direction: TR-DOS <> RAM-Disk
<> HDD.

   When copying to a device with a file
the new system TR-DOS (disk or RAM-Disk)
length of the copied file must be є 255
sectors.

   When copying to a device with a file
the new system FAT12/FAT16 (HDD) the file length
should є 16 megabytes minus 1 byte.


   Tested with the controller scheme
 Nemo on these screws (on the Spectrum):

   - Seageate 130M;

   - Western Digital Caviar WD2200 212M;

  - DHAA2270 258M.

   And these screws on the PCs on the emulator
Z80 Stealth v5.03 emulation computer
KAY1024 and emulation controller IDE Nemo.

   With the controller SMUC untested.


    Driver memory test:

   a) on the Spectrum:

  - Profi-1M - at the Pentagon-1024 C / O
 lyucheniem pages on standard Profi;

   - The Pentagon, 512, 1024, at the Pentagon, 1024.

   b) In the emulators on the PC:

  - Emulator Shalaeva 3.5 with plug-in
 support memory Profi - PROFMEM.ADD;

   - Unreal Speccy v0.20;

  - Z80 Stealth v5.03.


   The system has been used successfully to record
Images TRD (located on the screw) at the
real floppy disks, as well as for saving files
of images of SCL, located either on the wines
those either on the floppy (or on RAMdisks or on a floppy disk 
in another drive). 

   You can also read texts from a floppy disk,
RAM-ROM or HDD (loaded only the first
26.5 k text), watch-touch
Ny, 48k run snapshots and files
TRF.

ZET-9 (Dmitry Avryata), Kharkov