Search found 1076 matches

by SarahWalker
Fri Jun 22, 2018 9:33 pm
Forum: emulators
Topic: Econet for Arculator (and other emulators)
Replies: 13
Views: 525

Re: Econet for Arculator (and other emulators)

flibble wrote:
Fri Jun 22, 2018 8:20 pm
1) The API is windows only, the emulators are not.
FWIW, Arculator's podule code did get ported to Linux.
by SarahWalker
Fri Jun 22, 2018 6:24 pm
Forum: projects
Topic: BeebSCUMM
Replies: 13
Views: 328

Re: BeebSCUMM

You could concentrate on what's actually being written, rather than talking about adding more work...

It's a little demoralising that the only posts so far are basically saying 'add more stuff!'.
by SarahWalker
Wed Jun 20, 2018 7:34 pm
Forum: projects
Topic: BeebSCUMM
Replies: 13
Views: 328

Re: BeebSCUMM

leenew wrote:
Wed Jun 20, 2018 5:32 pm
Maybe John Blythe has 5 minutes spare to sprinkle some magic dust on the graphics :-k
Unfortunately, to avoid potential legal issues with the Disney corporation, I'm using the PC data unmodified. So no fancy new graphics I'm afraid.
by SarahWalker
Wed Jun 20, 2018 5:04 pm
Forum: projects
Topic: BeebSCUMM
Replies: 13
Views: 328

BeebSCUMM

Meant to open a thread about this weeks ago... As some people noticed at the last ABUG, I've been working on a SCUMM interpreter for the Master (note - MASTER, not B+, B w/ SWRAM, or any variety of Electron!). This is a port of SCUMM v1, which is the original (non-enhanced) PC versions of Maniac Man...
by SarahWalker
Sun Jun 10, 2018 8:17 pm
Forum: projects
Topic: New game - tube type thingy
Replies: 49
Views: 3327

Re: New game - tube type thingy

I'm not entirely sure this is working as a game. I don't think limiting everything to a tube makes for particularly good handling. I really need to get some outside opinion on this though; the only person who's tested this other than me was Arcadian at the most recent ABUG, and the fact that he stru...
by SarahWalker
Thu Jun 07, 2018 5:02 pm
Forum: emulators
Topic: Which is the canonical Elkulator repository?
Replies: 5
Views: 209

Re: Which is the canonical Elkulator repository?

The 'canonical' one vanished when the Retro Software mercurial repo disappeared. If David's been working on the emulator then I'd suggest using his...
by SarahWalker
Sun Jun 03, 2018 7:06 pm
Forum: emulators
Topic: Econet for Arculator (and other emulators)
Replies: 13
Views: 525

Re: Econet for Arculator (and other emulators)

You mentioned it here : https://stardot.org.uk/forums/viewtopic.php?f=4&t=3864 . You can see quite how little interest there was. It's probably worth noting that despite RPCemu having had podule support for more than 10 years now, the only publicly released podules were the ones I threw together to ...
by SarahWalker
Sun Jun 03, 2018 8:50 am
Forum: upcoming and recent events & exhibitions
Topic: ABUG SOUTH 1 to 3 June 2018 (Hampshire) BOOKING THREAD
Replies: 125
Views: 6225

Re: ABUG SOUTH 1 to 3 June 2018 (Hampshire) BOOKING THREAD

lcww1 wrote:
Sun Jun 03, 2018 8:03 am
Maniac Mansion!
How utterly fabulous =D> =D> =D>

PS might your work on MM open the way to porting the other SCUMM based games?
Maniac Mansion and Zak McKracken will work, the rest won't fit in a Master!
by SarahWalker
Sun Jun 03, 2018 7:29 am
Forum: upcoming and recent events & exhibitions
Topic: ABUG SOUTH 1 to 3 June 2018 (Hampshire) BOOKING THREAD
Replies: 125
Views: 6225

Re: ABUG SOUTH 1 to 3 June 2018 (Hampshire) BOOKING THREAD

sbadger wrote:
Sat Jun 02, 2018 6:44 pm
Thanks for the pictures.
@SarahW What have you got going on your screen?!. Looks like a Master running a Lucasarts adventure!! (Second pic from bottom)
I was a bit disappointed how few people recognised the game, or indeed the genre itself :(
maniac.png
maniac2.png
A work in progress :)
by SarahWalker
Fri Jun 01, 2018 4:44 pm
Forum: emulators
Topic: Econet for Arculator (and other emulators)
Replies: 13
Views: 525

Re: Econet for Arculator (and other emulators)

For basic configuration I was planning to bring the PCem config system over to Arculator. This lets you define this sort of thing : static device_config_t sb_config[] = { { .name = "addr", .description = "Address", .type = CONFIG_SELECTION, .selection = { { .description = "0x210", .value = 0x210 }, ...
by SarahWalker
Wed May 23, 2018 8:23 pm
Forum: emulators
Topic: Mac Arculator
Replies: 31
Views: 1749

Re: Mac Arculator

The !SICK numbers look about right for an ARM2 machine. The divide by zero error is most likely screen memory being too small - bumping that up to 480kb should fix it. It will probably also error out later on if ARCROM has been loaded, as it can't read the support ROM podule type.
by SarahWalker
Wed May 23, 2018 5:00 pm
Forum: emulators
Topic: Mac Arculator
Replies: 31
Views: 1749

Re: Mac Arculator

Excellent!

I did think of 64-bit incompatibilities as I went for a run this morning. I'm pretty sure I've had it working in the past, but I haven't done a 64-bit build for a while now - I need to give it a try and look for any issues!
by SarahWalker
Tue May 22, 2018 9:08 pm
Forum: emulators
Topic: Mac Arculator
Replies: 31
Views: 1749

Re: Mac Arculator

I keep doing that...

Fixed in rev 46.

What's the value of R15?
by SarahWalker
Tue May 22, 2018 8:08 pm
Forum: emulators
Topic: Mac Arculator
Replies: 31
Views: 1749

Re: Mac Arculator

If the POST is failing, RISC OS will put the failure code in fiq_r12 - this is printed as 'f12' in Arculator's register dump, and might give a clue as to what's going wrong?
by SarahWalker
Tue May 22, 2018 7:01 pm
Forum: emulators
Topic: Mac Arculator
Replies: 31
Views: 1749

Re: Mac Arculator

Rev 39 has the video code updates; these may help!
by SarahWalker
Tue May 22, 2018 6:25 pm
Forum: emulators
Topic: Mac Arculator
Replies: 31
Views: 1749

Re: Mac Arculator

Try setting either 'full_borders' or 'no_borders' to one. Having neither enabled is not currently supported - pity it's the default :) You could also try setting 'double_scan' to zero and see if that helps anything. I'm reworking this part of the video code though, so if you wait half an hour it mig...
by SarahWalker
Tue May 22, 2018 4:21 pm
Forum: emulators
Topic: Mac Arculator
Replies: 31
Views: 1749

Re: Mac Arculator

What's in arc.cfg? There are a few bugs in the video code currently, and you may be using one of the configurations that currently doesn't work. It's entirely possible that 'configurations that don't work' includes whatever's set as default...
by SarahWalker
Mon May 21, 2018 6:00 pm
Forum: emulators
Topic: Mac Arculator
Replies: 31
Views: 1749

Re: Mac Arculator

One thing to be aware of is that the guy who did the wxWidgets code for PCem implemented a sort of 'compatibility layer' in wx-utils.cc, to aid porting the GUI from Win32. I'd personally advice that Arculator _doesn't_ use this - I've found it to be quite confusing when trying to modify the GUI furt...
by SarahWalker
Fri May 18, 2018 6:13 pm
Forum: emulators
Topic: Mac Arculator
Replies: 31
Views: 1749

Re: Mac Arculator

My other (only?) active emulator, PCem, recently switched to wxWidgets + SDL2 for cross-platform UI goodness. I'd personally prefer that to Qt5, for the entirely selfish reason that I only have to learn one UI library :)
by SarahWalker
Tue May 15, 2018 5:20 pm
Forum: upcoming and recent events & exhibitions
Topic: ABUG SOUTH 1 to 3 June 2018 (Hampshire) BOOKING THREAD
Replies: 125
Views: 6225

Re: ABUG SOUTH 1 to 3 June 2018 (Hampshire) BOOKING THREAD

Will there be the usual amount of soldering type equipment around? My A3000 has died, and I have a greater chance of fixing it using decent equipment and with knowledgeable people in the vicinity :)
by SarahWalker
Mon May 14, 2018 7:40 pm
Forum: emulators
Topic: Video Timing
Replies: 58
Views: 1832

Re: Video Timing

HD6845SP is 'type 0'. A quick scan through Google Images suggests almost all Beebs use the HD6845SP, though I have a feeling that some Bs (possibly early ones?) use the Motorola 6845-1. While I was trying to find confirmation of the latter, I noticed that BeebMaster has a late Master 128 with a Sams...
by SarahWalker
Sun May 13, 2018 12:38 pm
Forum: software: other
Topic: SN76489 best sample playback?
Replies: 44
Views: 1213

Re: SN76489 best sample playback?

Interesting! I wonder if the shift register reset is one of the differences with the 'A' variant?
by SarahWalker
Sat May 12, 2018 4:40 pm
Forum: software: other
Topic: SN76489 best sample playback?
Replies: 44
Views: 1213

Re: SN76489 best sample playback?

The SN76489AN used in most (all?) BBCs does indeed reset the bit sequence when writing to the noise control register. I know the NCR 8496 does not (this is required by the LucasArts Tandy music driver), not sure about the other chips. Most then as I have one that doesn't and seems to be factory fit...
by SarahWalker
Sat May 12, 2018 10:56 am
Forum: software: other
Topic: SN76489 best sample playback?
Replies: 44
Views: 1213

Re: SN76489 best sample playback?

The SN76489AN used in most (all?) BBCs does indeed reset the bit sequence when writing to the noise control register. I know the NCR 8496 does not (this is required by the LucasArts Tandy music driver), not sure about the other chips.
by SarahWalker
Fri May 11, 2018 9:35 pm
Forum: software: other
Topic: SN76489 best sample playback?
Replies: 44
Views: 1213

Re: SN76489 best sample playback?

I had always assumed that volume changes take effect immediately, not being bound to the tone-generator clock. Is that not the case? I haven't really studied this massively in depth. However the behaviour I've seen when the SN's write signal isn't held for long enough, where it will seem to randoml...
by SarahWalker
Fri May 11, 2018 8:00 pm
Forum: software: other
Topic: SN76489 best sample playback?
Replies: 44
Views: 1213

Re: SN76489 best sample playback?

Has anyone successfully tried PWM on the Beeb? My understanding of the SN76489 is that it effectively updates at 4 MHz / 16 or 32, which would add severe quantisation to any PWM signal, limiting output quality. I had always assumed that volume changes take effect immediately, not being bound to the...
by SarahWalker
Fri May 11, 2018 6:04 pm
Forum: software: other
Topic: SN76489 best sample playback?
Replies: 44
Views: 1213

Re: SN76489 best sample playback?

Has anyone successfully tried PWM on the Beeb? My understanding of the SN76489 is that it effectively updates at 4 MHz / 16 or 32, which would add severe quantisation to any PWM signal, limiting output quality. The quality PCM over multiple voices is limited by the time taken between register writes...
by SarahWalker
Sat Apr 21, 2018 4:16 pm
Forum: off-topic
Topic: Safely working on older equipment?
Replies: 6
Views: 557

Safely working on older equipment?

I had some time off recently, and decided to try recapping an old PC motherboard that had stopped working. Having replaced all the capacitors, I powered on the board and one of the caps quickly went bang. Quickly powered off, replaced the blown cap on the thinking that maybe it was just bad, powered...
by SarahWalker
Sat Apr 21, 2018 6:57 am
Forum: for sale / freebies
Topic: IDE podules - 8 and 16 bit versions
Replies: 40
Views: 2020

Re: IDE podules - 8 and 16 bit versions

I'd like an 8-bit one please!