Author
| R800 Creator
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Necron
msx lover
Posts: 113 |  Posted: September 17 2003, 01:46 |
Quote:
| 8088 was designed to be a cheaper version of the 8086, with a 8 bit databus, in stead of a 16 bit one.
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The PC XT's that bacame so popular was the ones with 8088 oe 8086?
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GuyveR800
msx guru
Posts: 3048 | Posted: September 17 2003, 14:26 |
You could look it up with google. I know AT's had a 286 processor, but I don't know about XT's. Although my mum's IBM PC had a 8088.
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Necron
msx lover
Posts: 113 | Posted: September 17 2003, 16:37 |
Yeah... At this moment is interesting to mention the www.old-computers.com. This is a very interesting site where you can find tecnical info, history, pictures, emulators, etc. from a huge database of old computers... Including pics of lots of msx (from lots of countries).
Another thing very interesting to mention is that the first PC, not the XT, the "pure" PC (yes there was a PC before the XT), used to come with a built-in Basic interpreter just like the MSX, TK, Sinclair, etc... Cool isn't it? |
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GuyveR800
msx guru
Posts: 3048 | Posted: September 17 2003, 19:03 |
That's the IBM PC Jr.
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Necron
msx lover
Posts: 113 | Posted: September 17 2003, 19:39 |
PC Jr.? Ok, then it is easier to refer to it without making confusion with its sucessors..
I've always wanted to see an emulator of it to check out its basic interface, but there isn't any... But it doesn't matter...
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pitpan
msx master
Posts: 1567 | Posted: September 30 2003, 19:49 |
It's even worse: I have an old IBM (really old), and when it boots, if there is no operating system disk, then it launches BASIC from ROM!!!! And that BASIC has cassette support and so has the computer. Really strange!!!! And the format of the cassette input/output is very similar to the MSX one (FSK, frequency shift key).
A really strange machine. And the keyboard case is made of steel and weights a ton!
Kind regards,
Ed Robsy
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Necron
msx lover
Posts: 113 | Posted: October 06 2003, 15:43 |
Cool!  |
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ro
msx guru
Posts: 2477 | Posted: October 06 2003, 19:51 |
maybe you could get a dime or two on the heavy metal?
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snout
msx legend
Posts: 5011 | Posted: August 24 2004, 20:51 |
meanwhile we still haven't figured out who created the R800, did we? |
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tfh
msx professional
Posts: 519 | Posted: October 01 2004, 15:59 |
Quote:
| meanwhile we still haven't figured out who created the R800, did we?
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Don't we?
If I remember correctly, the R800 is base on the Z800. ASCII asked Zilog to alther (upgrade) the Z800 in a specific way for the Turbo-R. So it's more or less an OEM CPU, created by Zilog for ASCII. |
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flyguille
msx master
Posts: 1356 | Posted: October 01 2004, 16:24 |
Quote:
| Yeah... At this moment is interesting to mention the www.old-computers.com. This is a very interesting site where you can find tecnical info, history, pictures, emulators, etc. from a huge database of old computers... Including pics of lots of msx (from lots of countries).
Another thing very interesting to mention is that the first PC, not the XT, the "pure" PC (yes there was a PC before the XT), used to come with a built-in Basic interpreter just like the MSX, TK, Sinclair, etc... Cool isn't it?
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with reason when the PC a P III when can't boot from any device, because they are not configured, shows "ROM BASIC JAMMED". or something like that. |
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Sonic_aka_T
msx guru
Posts: 2345 | Posted: October 01 2004, 16:27 |
Quote:
| Quote:
| meanwhile we still haven't figured out who created the R800, did we?
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Don't we?
If I remember correctly, the R800 is base on the Z800. ASCII asked Zilog to alther (upgrade) the Z800 in a specific way for the Turbo-R. So it's more or less an OEM CPU, created by Zilog for ASCII.
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I thought ASCII asked for a RISC version of the Z80   |
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GuyveR800
msx guru
Posts: 3048 | Posted: October 01 2004, 16:56 |
The R800 was produced by Toshiba.
ZiLOG discontinued the Z800 and created the Z180 from it.
My guess is ASCII and Toshiba bought the Z800 designs from ZiLOG and created the R800 from it. The R800 was not a ZiLOG design!
Toshiba also developed the TLCS-90 (Z80 binary compatible MCU) and TLCS-900 (Z80 source compatible 32 bit MPU), probably developed with the same Intellectual Property acquired in the R800 deal.
And indeed, unlike the Z800 or Z180, the R800 design is based on the RISC philosophy.
(Also see earlier posts in this thread)
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ricbit
msx lover
Posts: 116 | Posted: October 01 2004, 19:04 |
Quote:
| Does anyone in here knows who have created the R800?
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Sure, in MSX Magazine 2 (2003) there's an interview with the guy. His name is 岸岡和池 (Kishioka Washi).
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