One chip MSX improvement project | MSX Resource Center (Page 109/123)

By lintweaker

Champion (458)

09-08-2020, 17:13

Nice work, would be great to have the Turbo-R + V9990 fully supported.

(it seems that you are converting from VHDL to Verilog, too bad )

By hbarcellos

Hero (642)

09-08-2020, 20:47

I see...

By HRA!

Champion (289)

10-08-2020, 00:40

I have released the "OCM改 20200810".
http://hraroom.s602.xrea.com/msx/ocm/index.html

https://twitter.com/thara1129/status/1292574931805339648

By AxelStone

Prophet (3193)

10-08-2020, 10:12

HRA! wrote:

https://twitter.com/thara1129/status/1292338392475172864?s=19

turboR startup logo is now displayed ;)

Wow! Does this means that you are near to MSX turbo R implementation in a FPGA? Very impressive!

By HRA!

Champion (289)

10-08-2020, 23:11

Currently, the MSX-MIDI output, MSX-JE, SystemTimer, CHGCPU and PCM are also working.
However, although the R800 is now "Z80-10MHz with multiplication instructions".

By HRA!

Champion (289)

10-08-2020, 23:43

OCM改(20200811) has been released.
http://hraroom.s602.xrea.com/msx/ocm/index.html

(1) Fixed a bug in ocm_bus_selector.
Modified JIS Kanji Level1 I/O port address.
Fixed a bug that caused a wrong I/O address when separating from emsx_top.

(2) Modified 'tool/bios_image_maker/roms/*.cfg'.
Fixed the bug that the address of KanjiROM data allocation was wrong.
Added a setting to enable JIS Kanji Level 2.

By erpirao

Paragon (1314)

18-08-2020, 23:09

oh my god!
msx view+fat16?
hra! msxview 2GB?

By HRA!

Champion (289)

19-08-2020, 15:04

erpirao wrote:

oh my god!
msx view+fat16?
hra! msxview 2GB?

This Tweet is the real A1GT.
It is a photograph when MegaFlashROM SCC+ SD (Nextor2.1.0) is installed in A1GT, and it started with the built-in firmware ON.
Unfortunately, MSX-View has not been able to be started with OCM-Kai yet.

By lovemsxfan

Supporter (7)

19-08-2020, 15:13

Thank you for working on a great project.
Can I use OCM改(20200811) on my SX-1?

By HRA!

Champion (289)

19-08-2020, 16:06

lovemsxfan wrote:

Thank you for working on a great project.
Can I use OCM改(20200811) on my SX-1?

I don't know because I don't own an SX-1.
From the product information, it seems to have the same FPGA as the original OCM, so I don't think I can get into it without modification. You will have to cut something off to make it fit.

I use Terasic DE0CV.
https://www.terasic.com.tw/cgi-bin/page/archive.pl?Language=...