Toshiba HX-21 ROMS

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By wernerkai

Champion (357)

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02-09-2012, 22:21

Hi there,

I have a TOSHIBA HX-21 from Japan here opened on my table.

In the board there are two TMM23256P socketed mask roms. Are they already dumped ?

Please send me the URL of the best MSX machines' rom archives.

Thanks,

Werner

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By mars2000you

Enlighted (6429)

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02-09-2012, 22:39

The roms of this machine are not yet dumped.

You can visit the Resource page of the blueMSX website, there are many MSX configurations that can be added to the emulator.

By wernerkai

Champion (357)

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02-09-2012, 22:54

So they will be... hehe

Thanks,

Werner

By Manuel

Ascended (19273)

Manuel's picture

03-09-2012, 09:05

werner: I'm also interested in all details of this machine to be able to emulate it in openMSX.

By anonymous

incognito ergo sum (116)

anonymous's picture

17-09-2012, 11:14

These are some feature of the Toshiba HX-21:----
Processor of Toshiba HX-21 ROMS Zilog Z80A running at 3.58 MHz
ROM is 32 KB
BIOS :- 16 KB
MSX BASIC V1.0 (16 KB)
RAM of Toshiba HX-21 8 KB minimum howvere most machines provided either 32 or 64 KB also machines with 128 KB exist

By Manuel

Ascended (19273)

Manuel's picture

17-09-2012, 08:42

kelly45: thanks, but these are very common properties, for emulation the real details are needed. Werner Kai provided them in the mean time, so it can be emulated now.

By mars2000you

Enlighted (6429)

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17-09-2012, 10:52

Public notes for the admins and mods : kelly45 messages are 'intelligent' spam (check the link under his messages), but it's spam, as the main goal is not to send a MSX related message, but to promote a non-MSX related website.

By enribar

Paragon (1206)

enribar's picture

17-09-2012, 11:39

Have to say very very sorry to mars200you, but I really didn't have time to re-dump the Toshiba HX-22 roms using bug-fixed tools he sent to me.
I own both the HX-21 and HX-22 models, sold in Italy in mid 80s so I think these are international MSX versions.
Maybe this week I will have time to restart my dump activity if anyone is interested and someone else didn't do it, yet. Otherwise I will not waste time and concentrate on tape preservation.
Let me know.

By mars2000you

Enlighted (6429)

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17-09-2012, 12:36

enribar : no any problem, I understand perfectly your problems. Thanks to wernerkai and infos collected here and on Japanese websites, these machines are now emulated by blueMSX (although RS232C support is missing).

By Manuel

Ascended (19273)

Manuel's picture

17-09-2012, 21:46

enribar: if you find the time, it would still be helpful to verify with your machines. Also I don't know any international HX-21 dumps of which we know the source. (Do we have any at all?) So, no high priority, but it would still be nice to have those dumps.

By msxholder

Champion (399)

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17-09-2012, 22:12

I will dump private when you add the white msx2 from toshiba FS-TM1

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