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SIG X68000 / Re: anyone have extra external floppy cable by chance?
« Last post by Elrinth on Today at 02:04:57 am »
great news... seems I was noob and had forgot to flip the switch on the backside of the external floppy.. now it magically works!

however as now the floppy drive works perfectly, I have noticed that my audio out from the x68000 red zone doesn't work. connecting a cable makes some noise, but there's really no audio coming out.
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That was 100% the issue. Thank you for all the hard work and dedication to this! I feel like this is how the N64 joystick should of been when they released the console.
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Wiring is probably ok. After all, you just need to follow the steps described in the pdf to install the wires correctly.

It's possible that you're using a cheap ISP programmer to flash the microcontroller. These typically provide power to the chip which cannot be turned pff after programming. That means after programming the microcontroller, it will start to execute the calibration function. But you're not ready to wiggle the stick yet. And then you remove the programmer, the calibration is already finished but without a valid result.
Once you turn the console & controller on, nothing works because of this faulty executed calibration.

Solution:
1) Flip the switch after programming the microcontroller (d'oh! ^^)
2) Execute the calibration again by holding L+Z while turning the console on. You have to wire up these buttons of course as shown in the pdf.
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SIG X68000 / Re: Akumajou Dracula, how use USER DISK?
« Last post by mez on March 23, 2017, 06:54:56 am »
Yes!!!!!!!!!!!!!!! Need to boot with Disk 2 and use the option to create user disk!
 ;D
that's fine !
i have old PC 5"1/4 uses floppies but no one seems working :/ what kind of floppy are you using ?
thanks
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Generally speaking you can convert RGB to VGA without too much of a quality loss - certainly less than you'll find with any other analogue conversion.

But all conversions cost you somewhere, with lag, or a loss of sharpness or the introduction of jitter.  You can't convert without losing something somewhere, it's just something you have to deal with.

Whether this conversion will be a problem for you depends on exactly how you do the conversion, and how fussy you are. 
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Hi thanks for the reply!!  I went into the service manuals etc.. online and whatnot, no info about how many khz are accepted, but I'll assume it's 31.5 (the usual for PC inputs?) so I guess I'll have to use a box to convert the RGB from the consoles to VGA instead.   

I've always wondered too, if doing straight RGB looks exactly the same as after being converted to VGA? Or if the difference is negligible. I just wanted to try it out for the heck of it.

Otherwise, in the case of the scaler, not sure how that works out. The manual just says scales 1080i/720p down for 480p viewing. I guess I could put a pi3 on there if I wanted :)  I'd love to post pics once I get things going.
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This is how i have the board wired.


Is that correct?
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SIG X68000 / Re: Joystick woes
« Last post by parodius on March 20, 2017, 12:50:27 pm »
Cheers !
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Hey, i tried building one of these and i have the PCB all soldered up.. Well everything except for the switch, and was able to successfully download the c-code on to the chip but when I try to use it with my n64 it does nothing.. What program did you use to burn the code?  I got a few boards and tried again on another one with another controller and it says that the burn was successfully completed(i made sure i entered both HEX and EEPROM files, as well as set the fuses). I made sure i soldered the white wire nearest the inside and soldered the rest in order as mentioned. Any suggestions?

I may have gotten the order of the wires wrong that i soldered from the connector to the PCB, i have the 2nd revision of the gamecube style stick. Is there anyway i can get a picture of which wire goes where? :o or a picture of the connector with what each wire is?
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SIG X68000 / RaSCSI
« Last post by neko68k on March 20, 2017, 02:48:51 am »
We have a new gift from GIMONS. RaSCSI. It's a SCSI device emulator running on a Raspberry Pi. It emulates HD, MO and CD-ROM using HDS or ISO. It also emulates an Ethernet device usable with the included driver and should be working with our existing guide for Neptune-X and Nereid. Pre SCSI devices may be working with SxSI but it is reported as untested at the moment.

http://www.geocities.jp/kugimoto0715/rascsi/index.html
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