Inferno #08
30 ноября 2005

Inferno - Errors in the previous numbers.

<b>Inferno</b> - Errors in the previous numbers.
            Some errors


                ZX-Guide # 2


   In describing the interface Beta Disk non
correctly specified level, opting density
record. It should be D6 (as shown in
Larchenko and Rodionov), but the MFM = 0, FM = 1 (a
not as stated in Larchenko and Rodionov).
Procedures for TR-DOS installed D5, but not
understand why.


                   IG # 6


   In sketch No. 5 used construction
function INC H, L. Because of this, we obtain If
SHKOM short period of sequence
random numbers - just 256. To write
INC H, HL. Just INC HL is not recommended,
as in ROM is a great sequence
identical or similar bytes.


                   IG # 7


   If you get a version of IG # 7, which is not
Georgia's "errata", then rename
disk file errata!!. W in Errata!!. W. He
prevented because the engine of the journal is looking for a 
hundred Chi on the first 4 characters name, and not only

in the archive, but also outside. A file was added
in a hurry after the assembly of the magazine.


             From: Lord Vader

           IG # 7 - "Turbo Sound"


   Capacitors C1, C2 can not be 0.1mkF
- You should at least 10mkF.


              From: Vitamin

           IG # 7 - "Optimization"


   In the case of PUSH HL: SBC HL, DE: POP HL has
elk in mind CY = 0.



               From: ZET-9

             IG # 7 - "DNAmake"


   Indicated that the element FINDER, if not
was an element that he is looking for returns
error 0.0 (which is the message "all OK"!). On
Actually, it returns an error 0,1 (PIC
motrel in source: 0 - number of the element, 1
- The number of errors).



               From: ZET-9

  IG # 7 - "The location of partitions on the HDD"


   It turns out that for all sectors in the FAT32
cylinder 0, except for the very first - free
Ny, and references therein Sector 2 (counting from
units) and sector 6 (counting from one) -
this sector from the beginning of the section, and they are 
there exist within each section.


   At sector 6 holds a copy of boot-sector
pa (ie the very first sector of the times
case). And the article pointed out that in sector 6
- A copy of the partition table.

   I finally found out where the older stores
two-byte numbers cluster in FAT32 (ibid.
4 bytes): it turns out, the spare area
out of ten bytes at offset 20, 21 by at
We first directory entry.



       From: Vitamin 'Shiru Otaku

              IG # 7 - "Video"


   Was omitted instruction: what to do
when AVIStreamOpenFromFile (...)!= 0. Prog
Ramm should look like this:

bool vzx_avi_open (LPCSTR szFile)
{
vzx_hdd = DrawDibOpen ();
AVIFileInit ();

 if (AVIStreamOpenFromFile ('vzx_avi, szFile,
 streamtypeVIDEO, 0, OF_READ, NULL)! = 0)
 {

   MessageBox (HWND_DESKTOP,

    "Failed To Open The AVI Stream",

    "Error", MB_OK);

  return vzx_ok = false;
}

...

}




Other articles:

Inferno - The authors of the magazine.

Inferno - Entered from the editor.

Inferno - Errors in the previous numbers.

Inferno - On the shell.

Iron - CD-ROM - a device and Tricks connection.

For Coderz - CD video on the ZX. How to write a video player with CD-ROM.

Softinka - Technical Reference disk system DISCiPLE / + D.

For Coderz - Small programmers' tricks.

Mathematics - The history of the solution of Fermat's theorem.

Gameland - Game Shestnashki.

Softinka - a description and history of the program to work with hard disk HDDoctor v0.9.

Secrets - The X button in different applications: Wolfenstein'2004, IG # 5, ACEdit, DNA OS, Wild Disk Copier.

Softinka - Improved graphics converter Gigascreen.

Sound - tube amplifier. Stereo lampochnik 2x5 Tues of old TVs.

Iron - Overview of cassette players.

Inferno - Letters to the Editor.

Gamedev - The history of the game Pang.

Gamedev - Tips for writing an arcade game.

Advertising - Ads by Roman Chuunin.

Advertising - Ads by Alexei Zhabina.

Advertising - Ads by V. Bogdanovich.

Interview - Interview with Nikolay Rodionov, author of popular books for the ZX Spectrum

For Coderz - The calculation of trigonometric and algebraic functions in a high-level languages.

DIY - scheme of 16-color video mode v1.1 for the Pentagon.

Iron - Description of Products K555TL2.

For Coderz - Programming device sound generation Turbo Sound.

Softinka - 384x304 viewer. program allows you to view color pictures, is larger than the screen.

Softinka - ZX Spectrum emulator for ZX Spectrum.


Темы: Игры, Программное обеспечение, Пресса, Аппаратное обеспечение, Сеть, Демосцена, Люди, Программирование

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В этот день...   21 November