Wiki editing discussion

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Por gdx

Enlighted (5022)

imagem de gdx

21-11-2021, 12:54

No picture because it's just a price list of software that the shop buy from individuals. This was very common in the past in Japan. There were a lot of second-hand stores.

Por gdx

Enlighted (5022)

imagem de gdx

21-11-2021, 14:57

About EC-700 and VWU-100, that confirm that screenshots are made with a bad dump.
https://twitter.com/beep_shop/status/1262579810863181824

Por Takamichi

Hero (520)

imagem de Takamichi

03-12-2021, 05:37

@Manuel managed to fix the EC700 emulation so I've uploaded the proper screenshots here. All MSX1 screenshots and the MSX2 bootup screenshot come with my explanation that you can read by pushing an image twice then selecting About tab.
EC700 can use some but not all of the JIS level 2 kanjis so I displayed one of them, 丼 for food bowl. User can draw 10 new characters so I made an MSX logo.

Por gdx

Enlighted (5022)

imagem de gdx

04-12-2021, 01:42

Thanks!

Por gdx

Enlighted (5022)

imagem de gdx

05-12-2021, 12:30

I repeat again that a modem and an RS-232C interface are not the same things. A modem transmits data by modulating a carrier wave. The RS-232C transmits data by square waves.

About Yamaha Serial I/O Unit, it use the same signal that RS-232C interface but the protocol seems different because the RS-232C doesn't have the notion of maitre and students and doesn't connect in chain. Are you sure we can call it an RS-232C interface?

Generally the modems are not used for LAN. When this is the case, it's a special function.

Por mars2000you

Enlighted (6098)

imagem de mars2000you

05-12-2021, 12:51

Ok for the explanation, 'based on RS-232C" does not mean "equivalent" here, as there are extra features. I will clarify that.

Por mars2000you

Enlighted (6098)

imagem de mars2000you

05-12-2021, 13:00

gdx wrote:

Generally the modems are not used for LAN. When this is the case, it's a special function.

Maybe the case of the Russian Sanyo computers????

Por Manuel

Ascended (18398)

imagem de Manuel

05-12-2021, 14:45

Perhaps this helps...

Basically, an MSX (extension) can have an RS-232C interface, which is a general serial interface which can be used for anything. A typical application is to connect a modem. Other applications were typically printers, but that was not commonly used on MSX, as most models had a parallel interface for printers (based on the Centronics interface).
A phone modem (the only modems at that time) modulate and demolate data streams to be sent/received over phone lines.

On MSX there have been also many integrated modems in a cartridge, without a separate serial interface. E.g. the MT-Telcom modem.

So yeah, these things should not be mixed up.

Por gdx

Enlighted (5022)

imagem de gdx

05-12-2021, 15:10

The confusion probably comes from BASIC for the Network which was originally intended only for RS-232C then used by some modems with extra functions?

Por mars2000you

Enlighted (6098)

imagem de mars2000you

06-12-2021, 11:54

About Video Upscalers: why not use the 'Video' category????

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