Search found 1249 matches

by robcfg
Thu Nov 14, 2019 7:56 pm
Forum: Dragon General
Topic: MAME Emulation
Replies: 84
Views: 12906

Re: MAME Emulation

You're welcome!
by robcfg
Thu Nov 14, 2019 7:50 pm
Forum: Dragon General
Topic: MAME Emulation
Replies: 84
Views: 12906

Re: MAME Emulation

Do you get any error message?

I just type "./mame64 dragon64h -window -debug -resolution 640x480" and it works as expected.
MAME_Dragon64h.jpg
MAME_Dragon64h.jpg (55.55 KiB) Viewed 23 times
Try copying your dragon64.zip in the roms folder as dragon64h.zip in the same folder.
by robcfg
Thu Nov 14, 2019 7:41 pm
Forum: Dragon General
Topic: MAME Emulation
Replies: 84
Views: 12906

Re: MAME Emulation

What version of MAME are you using? That machine is defined at least since 0.210.
by robcfg
Thu Nov 14, 2019 7:01 pm
Forum: Dragon General
Topic: MAME Emulation
Replies: 84
Views: 12906

Re: MAME Emulation

Found it!

Use dragon64h instead of dragon64 as driver.

As in "mame64.exe dragon64h -window - debug"
by robcfg
Thu Nov 14, 2019 5:56 pm
Forum: Dragon General
Topic: MAME Emulation
Replies: 84
Views: 12906

Re: MAME Emulation

I don’t remember the name right now, but instead of dragon64 you have to start the equivalent machine that has the 6309. There’s the dragon64 driver, which uses the 6809, and there should be a machine named dragon64_6309 or similar, which is the one you need to use. Mame does not allow processor con...
by robcfg
Thu Nov 14, 2019 1:34 pm
Forum: Dragon General
Topic: MAME Emulation
Replies: 84
Views: 12906

Re: MAME Emulation

Are you choosing a regular Dragon driver or one fitted with a 6309 processor?
by robcfg
Wed Nov 06, 2019 10:51 pm
Forum: Uploads
Topic: Games for 6309 equipped Dragons
Replies: 4
Views: 137

Re: Games for 6309 equipped Dragons

Nice!

Let's see what can be done with the extra power :mrgreen:

Thanks a lot, Pere!
by robcfg
Thu Oct 31, 2019 8:55 pm
Forum: Dragon General
Topic: MAME Emulation
Replies: 84
Views: 12906

Re: MAME Emulation

Here's MAME vdk loading code: bool vdk_format::load(io_generic *io, uint32_t form_factor, floppy_image *image) { uint8_t header[0x100]; io_generic_read(io, header, 0, 0x100); int header_size = header[3] * 0x100 + header[2]; int track_count = header[8]; int head_count = header[9]; int file_offset = h...
by robcfg
Thu Oct 31, 2019 7:32 pm
Forum: Dragon General
Topic: MAME Emulation
Replies: 84
Views: 12906

Re: MAME Emulation

I think it maybe simpler than that. Upon trying to load the image with my own code, I realised that I was misinterpreting the name field in the header, to be actually after the header instead of being part of the header. So a basic size check fails. I'll check MAME's code and see if that is what is ...
by robcfg
Wed Oct 23, 2019 4:59 pm
Forum: Uploads
Topic: Dragon GameBase
Replies: 7
Views: 447

Re: Dragon GameBase

I've tried this port to MacOS: http://sidmusic.org/gamebase64browser

But it is entirely written in Objective C, and I couldn't manage to make your database work properly there even after converting it to sqlite.