SVI 738 -fdd problem

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By leonlas

Expert (115)

leonlas's picture

07-02-2022, 16:52

Hi!
I have a problem with the floppy drive on SVI 738.
When trying to read a bootable floppy disk, the LED is on during boot, but it shows the message "disk offline".
If I type: "files" it will display the files. When I type: run "game.bas it crashes the message:" disk offline "
I've changed the floppy drive and it's still the same.
Hint where the error is - damage. What to look for.

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By sdsnatcher73

Prophet (3666)

sdsnatcher73's picture

07-02-2022, 18:46

The 738 has a single sided disk drive. Is your disk with game.bas formatted as single sided?

By leonlas

Expert (115)

leonlas's picture

08-02-2022, 12:08

The floppy disk is from another Panasonic MSX 2 and I only have the ones that Panasonic plays.
What can I do in such a situation to run on SVI?
Is there any converting program (for PC)?
I do not want to replace the disk drive, let it stay in the original.

By Takamichi

Hero (585)

Takamichi's picture

08-02-2022, 12:44

Obtain a new floppy disk and execute CALL FORMAT. When asked to choose between 1 and 2, choose 1. Suppose the formatted disk is Disk B.
Copy all the files from your disk to Disk B using the Panasonic MSX2. insert Disk B into SVI-738 and try run "game.bas"... Does it work?

By leonlas

Expert (115)

leonlas's picture

08-02-2022, 21:03

Turns out it makes sense. I recorded according to the instructions, but the Gear I game does not seem to work on this computer, I need to find something that works on MSX 1. Cool

By sdsnatcher73

Prophet (3666)

sdsnatcher73's picture

09-02-2022, 06:19

You can find some on TFH’s site. I have converted many disk games that came on 720kB images to 360kB images. Those then work fine on machines wigh 1DD as well as 2DD drives or emulation.

By sdsnatcher73

Prophet (3666)

sdsnatcher73's picture

09-02-2022, 07:03

Those are mostly 64kB games either released on disk (as well as tape) or converted from tape to disk by others. You can use the process described by Takamichi on your WX to do the same if a game is on a 720kB DSK file. Or you can do it in openMSX (use a Sanyo PHC-70FD2 for example and insert an empty single sided disk in drive BSmile.

In the process it is good to check the AUTOEXEC.BAS or GAME.BAS if there is a POKE -1,xxx (where xxx is often 170 or 255). Replace such instances with “POKE -1,(15-PEEK(-1)\16)*17” without the quotes, that way the game will run on many MSX’s.

By leonlas

Expert (115)

leonlas's picture

09-02-2022, 20:01

Don't now, how edit files *.bas in MSX :-(

By mohai

Paladin (979)

mohai's picture

09-02-2022, 20:15

Just a Hint: I changed the drive in my SVi738.
It was a matter of replacing the drive with a double-sided one. It seems the diskrom supports double-sided drives de-facto.

By leonlas

Expert (115)

leonlas's picture

09-02-2022, 20:36

I know about it, but I want to leave the original.

By sdsnatcher73

Prophet (3666)

sdsnatcher73's picture

10-02-2022, 06:07

leonlas wrote:

Don't now, how edit files *.bas in MSX :-(

LOAD”GAME.BAS”
LIST

you will see the program, if it is too long to see the first lines (mostly the POKE is there) use:

LIST -100

Change the line with the POKE and press enter on that line

SAVE”GAME.BAS”

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