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Re: Olympia BOSS [Re: rfka01] #112619 02/14/18 11:06 PM
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rfka01 Offline OP
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Absolutely amazing! Looking forward to trying the emulation. If you need something checked out on the keyboard I can pass on the request to Aquarius.

[Linked Image]


NCR DMV- DEC Rainbow- Siemens PCD- ITT 3030-Oly People- Acorn A5000- Olivetti M20
Re: Olympia BOSS [Re: rfka01] #112621 02/15/18 12:13 AM
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You get a feel after a while for what read/write patterns go to what chips. I cruised through konmedal68k because I know what the init patterns look like for all the System GX-era chips.

Re: Olympia BOSS [Re: rfka01] #112622 02/15/18 12:28 AM
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Yup, you can tell which devices a machine has by looking at the pictures then look for patterns. The am9519 was a new one so I had to look at the data sheet but the upd765 will always get a specify command first so you'll see 0x03 followed by two bytes. Things like motor control is a bit harder but it's usually a bit setting just before a floppy read, write or seek.

Re: Olympia BOSS [Re: rfka01] #112636 02/15/18 06:30 PM
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[Linked Image]
Some programs run, other don't, no idea why.

Re: Olympia BOSS [Re: rfka01] #112640 02/15/18 11:37 PM
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rfka01 Offline OP
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Great progress!
Could it be a disk ready problem? Displaying the directory sometimes needs two tries, and disks cannot be formatted, Error 01 is "Drive not ready", your ER.4 is "first addressed sector outside scope for selected drive".


NCR DMV- DEC Rainbow- Siemens PCD- ITT 3030-Oly People- Acorn A5000- Olivetti M20
Re: Olympia BOSS [Re: rfka01] #112662 02/16/18 07:39 PM
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rfka01 Offline OP
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Maybe the truth is somewhere in between ... or somewhere completely else. With the last changes to the floppy system, the QD versions boot CP/M despite the errors

[Linked Image]

whereas the DD version that used to boot now doesn't.

[Linked Image]

Formatting on drive B: also still fails.


NCR DMV- DEC Rainbow- Siemens PCD- ITT 3030-Oly People- Acorn A5000- Olivetti M20
Re: Olympia BOSS [Re: rfka01] #112669 02/17/18 01:55 AM
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[Linked Image]
8085 prologue
Edit: This version of the OS is case sensitive.

Last edited by crazyc; 02/17/18 04:10 AM.
Re: Olympia BOSS [Re: crazyc] #112676 02/17/18 09:08 AM
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Originally Posted by crazyc
Yup, you can tell which devices a machine has by looking at the pictures then look for patterns. The am9519 was a new one so I had to look at the data sheet but the upd765 will always get a specify command first so you'll see 0x03 followed by two bytes. Things like motor control is a bit harder but it's usually a bit setting just before a floppy read, write or seek.


A self-test routine also helps, I've mapped most of Displaywriter's floppy controller (i.e. parts other than upd765) by running every test it has in the ROM. There's still plenty to work on in that driver until it boots actual text editor software, though.

Re: Olympia BOSS [Re: shattered] #112728 02/23/18 02:41 PM
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aquarius Offline
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Hello,
I am the guy who knows these machines for more than twenty years. They were my first contact to computers so I really apreciate your work here. It is a fantastic journey back in time.

I have testet the boss b z80 emulator and it works pretty well. With the floppy access there are some glitches as it does not read all the time. I had to try several times to load files or the directory.

Next I try the 8085 machine.

If you need any infos or tests on the real machine don't hold back.

Regards Martin


Interested in Olympia Boss
Re: Olympia BOSS [Re: rfka01] #116763 01/26/20 11:23 PM
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In MAME64 I got diverse Boss and the People machines working. Thank you so much for rescuing those rare machines. Sadly no HD support as far as I know. A big thank to rfka01 for his support.

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