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by SarahWalker
Sun 27 Sep, 2015 7:33 am
Forum: General
Topic: Dynarec execution rate plummeting drastically at DOS prompt
Replies: 16
Views: 12973

Re: Dynarec execution rate plummeting drastically at DOS pro

That was a clean boot of DOS 6.22, on a Winchip 240 (the fastest CPU emulated when I started the recompiler, somewhat slower than the Pentium MMXes you can emulate now), on a 3.6 GHz Ivy Bridge Core i5. If your setup differs from this at all then I'd expect the performance to drop somewhat.
by SarahWalker
Sat 26 Sep, 2015 8:27 am
Forum: General
Topic: AWE32 effects?
Replies: 3
Views: 4897

Re: AWE32 effects?

Correct, the effects processor is not emulated, as there is no documentation on it.
by SarahWalker
Wed 23 Sep, 2015 7:45 pm
Forum: General
Topic: Rev 305: RCR486 characters can't left or up
Replies: 7
Views: 7020

Re: Rev 305: RCR486 characters can't left or up

Rev 355 fixes this, and hopefully hasn't broken anything else...
by SarahWalker
Wed 23 Sep, 2015 7:44 pm
Forum: General
Topic: PCem patches (post rev-347)
Replies: 29
Views: 17851

Re: PCem patches (post rev-347)

355 - Nearest FPU rounding mode now handles negative numbers correctly. Fixes Retro City Rampage 486.
by SarahWalker
Tue 22 Sep, 2015 7:58 pm
Forum: General
Topic: Rev 305: RCR486 characters can't left or up
Replies: 7
Views: 7020

Re: Rev 305: RCR486 characters can't left or up

Does this bug still occur?
by SarahWalker
Tue 22 Sep, 2015 7:55 pm
Forum: General
Topic: r.335 - Win9X Game issues
Replies: 25
Views: 21856

Re: r.335 - Win9X Game issues

Jazz Jackrabbit 2 - Using ViRGE DX in a 16-bit color mode shows the in-game menu with a white background instead of purple. Also occurs with IDT Winchip interpreter. Does not occur with Trio64 I don't think this is a PCem bug - the two cards run the game in different modes; Trio64 in 565, ViRGE in ...
by SarahWalker
Tue 22 Sep, 2015 4:44 pm
Forum: General
Topic: Dynarec execution rate plummeting drastically at DOS prompt
Replies: 16
Views: 12973

Re: Dynarec execution rate plummeting drastically at DOS pro

ecksemess, could you post your CONFIG.SYS and AUTOEXEC.BAT files here? There may be something there causing slowdown, most of my benchmarking was done on a clean boot. In general though, idling (on pretty much any operating system) hits all the weak points in the current recompiler and hence doesn't...
by SarahWalker
Mon 21 Sep, 2015 9:04 pm
Forum: General
Topic: r.335 - Win9X Game issues
Replies: 25
Views: 21856

Re: r.335 - Win9X Game issues

Rev 354 fixes the software rendering. Hopefully it won't break anything else.
by SarahWalker
Mon 21 Sep, 2015 9:02 pm
Forum: General
Topic: PCem patches (post rev-347)
Replies: 29
Views: 17851

Re: PCem patches (post rev-347)

354 - FPU rounding modes now have effect in FADD double precision. Fixes rendering in Interstate '76.
by SarahWalker
Mon 21 Sep, 2015 7:24 am
Forum: General
Topic: r.335 - Win9X Game issues
Replies: 25
Views: 21856

Re: r.335 - Win9X Game issues

Rev 353 should get Interstate 76 to start. I'm still investigating why rendering is broken; I think this may be an FPU rounding issue.
by SarahWalker
Mon 21 Sep, 2015 7:23 am
Forum: General
Topic: PCem patches (post rev-347)
Replies: 29
Views: 17851

Re: PCem patches (post rev-347)

353 - Added FPREM1 instruction for Interstate '76.
by SarahWalker
Sat 19 Sep, 2015 6:17 pm
Forum: General
Topic: PCem patches (post rev-347)
Replies: 29
Views: 17851

Re: PCem patches (post rev-347)

352 - First FDC Sense Interrupt Status command after post-reset ready state change results is now zero. Fixes Grey Cat Linux.
by SarahWalker
Sat 19 Sep, 2015 4:45 pm
Forum: General
Topic: PCem patches (post rev-347)
Replies: 29
Views: 17851

PCem patches (post rev-347)

As Retro Software is still down, I'll post newer patches here for now. I'm assuming everyone has rev 347, which was the last version before the repo went down. Please do NOT post to this thread, any new bugs should be raised as new threads as normal. 348 - Removed a bunch of old #defines. Cleaned up...
by SarahWalker
Fri 18 Sep, 2015 8:37 pm
Forum: General
Topic: [current revisions] ATAPI/IDE handling bugs
Replies: 38
Views: 32135

Re: [current revisions] ATAPI/IDE handling bugs

Yes, that's what I've been telling you.
by SarahWalker
Fri 18 Sep, 2015 8:16 pm
Forum: General
Topic: [current revisions] ATAPI/IDE handling bugs
Replies: 38
Views: 32135

Re: [current revisions] ATAPI/IDE handling bugs

What makes you think it isn't going to come back online?
by SarahWalker
Fri 18 Sep, 2015 7:52 pm
Forum: General
Topic: Windows 3.1 DOS Box VGA grabbing
Replies: 41
Views: 31690

Re: Windows 3.1 DOS Box VGA grabbing

Attached rev 351 as a patch, which seems to fix this from my testing. Quite why IBM decided to hide a video enable bit in an index register is beyond me.
by SarahWalker
Fri 18 Sep, 2015 7:31 am
Forum: Development
Topic: retrosoftware svn...... completely dead
Replies: 15
Views: 15720

Re: retrosoftware svn...... completely dead

I know why the site went down, it is being fixed. Be more patient!
by SarahWalker
Wed 16 Sep, 2015 7:53 pm
Forum: General
Topic: [current revisions] ATAPI/IDE handling bugs
Replies: 38
Views: 32135

Re: [current revisions] ATAPI/IDE handling bugs

Got a fix for the reset issue. Just waiting for the repo to come back online.
by SarahWalker
Wed 16 Sep, 2015 6:16 pm
Forum: Development
Topic: Patch: Fix for error in re-ordering of ROM set enum
Replies: 4
Views: 5086

Re: Patch: Fix for error in re-ordering of ROM set enum

True. Anyway, rev 348 should fix all this, if only I could commit it!
by SarahWalker
Wed 16 Sep, 2015 6:15 pm
Forum: General
Topic: Windows 3.1 DOS Box VGA grabbing
Replies: 41
Views: 31690

Re: Windows 3.1 DOS Box VGA grabbing

I think that's data you're looking at there, not code.
by SarahWalker
Wed 16 Sep, 2015 6:13 pm
Forum: General
Topic: Serial mouse not working correctly in r347
Replies: 10
Views: 11517

Re: Serial mouse not working correctly in r347

Because I prioritise things differently to you. Because we're different people.

Besides, what makes you think I'm not looking at it?
by SarahWalker
Wed 16 Sep, 2015 4:50 pm
Forum: Development
Topic: retrosoftware svn...... completely dead
Replies: 15
Views: 15720

Re: retrosoftware svn...... completely dead

kazblox wrote:...Looks like you have to move your stuff to Git or a different SVN host now, Tom.
It's temporarily down, it's not gone away permanently.
by SarahWalker
Wed 16 Sep, 2015 4:49 pm
Forum: Development
Topic: Patch: Fix for error in re-ordering of ROM set enum
Replies: 4
Views: 5086

Re: Patch: Fix for error in re-ordering of ROM set enum

Most of those #defines are a holdover from older versions - few (if any) of them will still do anything.
by SarahWalker
Wed 16 Sep, 2015 4:47 pm
Forum: General
Topic: Serial mouse not working correctly in r347
Replies: 10
Views: 11517

Re: Serial mouse not working correctly in r347

I have seen your several million posts on the subject, yes.
by SarahWalker
Tue 15 Sep, 2015 7:24 pm
Forum: General
Topic: r.335 - Win9X Game issues
Replies: 25
Views: 21856

Re: r.335 - Win9X Game issues

Rev 345 fixes the Freespace 2 hang.
by SarahWalker
Mon 14 Sep, 2015 5:33 pm
Forum: Development
Topic: v10 rough timetable
Replies: 40
Views: 36765

Re: v10 rough timetable

Quick timetable update, v10 will be pushed out probably to mid-October, as I will be moving house shortly and won't have proper internet access for a bit.
by SarahWalker
Sun 13 Sep, 2015 8:36 pm
Forum: General
Topic: Windows 3.1 DOS Box VGA grabbing
Replies: 41
Views: 31690

Re: Windows 3.1 DOS Box VGA grabbing

It's not very well supported - at least the IBM VGA board doesn't implement it, and most clone boards followed suit. Given this, and that IRQ2 might be used by something else, I find it unlikely that any Windows drivers would attempt to use it.
by SarahWalker
Sun 13 Sep, 2015 8:29 pm
Forum: General
Topic: Windows 3.1 DOS Box VGA grabbing
Replies: 41
Views: 31690

Re: Windows 3.1 DOS Box VGA grabbing

???

3DA is emulated (see svga_in() in vid_svga.c). If it wasn't most games wouldn't work and most video BIOSes wouldn't initialise.
by SarahWalker
Sun 13 Sep, 2015 4:39 pm
Forum: Development
Topic: Battler's speed issues
Replies: 27
Views: 26358

Re: Battler's speed issues

My main concern with modelling out-of-order CPUs is that while, with a vast amount of effort, you could model execution time within a block, you would be unable to model time across multiple blocks. This would be something of an issue for a P6 core, as the average code block is about 6 instructions,...
by SarahWalker
Sun 13 Sep, 2015 3:44 pm
Forum: General
Topic: Cache size?
Replies: 7
Views: 7981

Re: Cache size?

Yes, it helps by making the emulated processor much much slower. It's a pretty dismal simulation of a bad memory system.