Toshiba HX-33 or HX-34 owners

Por zeilemaker54

Champion (311)

Imagen del zeilemaker54

07-05-2019, 19:48

Hello,

I am looking for Toshiba HX-33 or HX-34 owners for correctly dumping the firmware ROM. I am developing a tool to create such a dump, as the HX-33/HX-34 use a special mapper.
You can contact me at my e-mail adres (see my profile in msx.org)

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Por Manuel

Ascended (18126)

Imagen del Manuel

07-05-2019, 21:50

Together with zeilemaker54, the openMSX team will also attempt to get these machines fully emulated! So, please step up and help us out!

Por msxholder

Champion (382)

Imagen del msxholder

07-05-2019, 22:49

Hoezo special mapper ?
Custom made Toshiba chips perhaps like the Sony HB-5 and 7?

Por zeilemaker54

Champion (311)

Imagen del zeilemaker54

08-05-2019, 20:04

msxholder wrote:

Hoezo special mapper ?
Custom made Toshiba chips perhaps like the Sony HB-5 and 7?

You mean sony hb-f500/hb-f700 ?
No, this mapper is at address 07FFFH, and also include the addressing of 2K SRAM. It would not supprise me if the logic is incorperated in the toshiba chipset TCX-2001/TCX-2002

Por msxholder

Champion (382)

Imagen del msxholder

24-12-2020, 22:27

There are only 4 values at register 7FFFh 9C,9D,9E and 9F hex.

Por Gradius2

Hero (625)

Imagen del Gradius2

16-01-2021, 23:32

Please, if you have this file, pvt me or send me an e-mail.

Toshiba HX-34:
ROM: hx-34_disk.rom
SHA1: c88ef953b21370cbaef5e82575d093d6f9047ec6

TIA!