Re: Fatman: The Caped Consumer
Posted on 2012-05-19, 14:52
There's a patch on SourceForge, but I don't know much about the issue or the patch. (link)
Re: CGA Composite Mode under DOSBOX?
Posted on 2012-05-16, 14:12
Can you be a bit more specific than "elsewhere"? Is color burst always enabled on the CGA modes for composite output, or is there maybe a different mode register?
Re: CGA Composite Mode under DOSBOX?
Posted on 2012-05-16, 06:36
Another (minor) problem is that the auto detection won't work, since there's no such thing as port 0x3d8 on the PCjr. Auto-detection? How can it support color burst at all? ;) The games in the videos appear to be using mode 8/9 16-color graphics, and although the PCjr does have a composite out, …
Re: Emulating Monochrome/VGA Multi-Screen setup?
Posted on 2012-05-14, 11:10
Mechwarrior 2: Mercenaries v1.06 does display the AI state info on the mono display. The -m switch must be given to MW2.EXE, but it isn't carried over from the MERCS.EXE launcher. I don't know if this is simply the way it is designed, or if the launcher or shell programs decide not to carry over the …
Re: game demos/shareware/etc ftp or similar
Posted on 2012-05-13, 02:29
http://www.scovetta.com/archives/ Seems to be a rather extensive archive of shareware and BBS stuff.
Re: Emulating Monochrome/VGA Multi-Screen setup?
Posted on 2012-05-12, 16:17
There's also some games/apps listed in the huge wall of text up above. You made me read it... again... but there's still nothing specific buried in there other than MJVGA. I don't have Mechwarrior 2 Mercenaries, but it sounds like it uses the mono display passively, so may work with the patch as is …
Re: Keyboard Input Issues
Posted on 2012-05-12, 03:01
Windows Vista installs device drivers that can cause a problem, but it can be solved by switching to other device drivers. Right-Shift / Backslash Keyboard Problems (SOLVED!) I think the issue is explained in the readme/manual, but I might be mistaken about that.
Re: Ultima 8 problems....
Posted on 2012-05-12, 02:56
If there is program file named BATCD.COM on the game CD, there is a known problem with it causing freezes that has been fixed in SVN.
Re: Emulating Monochrome/VGA Multi-Screen setup?
Posted on 2012-05-12, 02:38
Why is it disabled with the Tandy adapter? Tandy should only use B700-BFFF. DOSBox maps a range for banking that seems to conflict: case MCH_TANDY: /* Always map 0xa000 - 0xbfff, might overwrite 0xb800 */ vgapages.base=VGA_PAGE_A0; vgapages.mask=0x1ffff; MEM_SetPageHandler(VGA_PAGE_A0, 32, &vgaph. …
Re: Aspect correction weirdness
Posted on 2012-05-10, 17:09
The aspect ratio stuff in MB6 was still off in some ways, but dunno how much Hal has changed it since then. For example mode 10h (640x350x16) is displayed as 640x441 with machine=svga_s3 and 640x453 with machine=ega. In 0.74 and SVN the same mode is displayed as 640x480 with machine=svga_s3 and …
Re: Aspect correction weirdness
Posted on 2012-05-10, 15:51
CGA B&W video mode issue with machine=vga The linked thread was primarily about the erroneous double-double height aspect ratio of mode 6 in VGA machine types, but there's also a mention of composite mode's ratio being off. 😉
Re: Emulating Monochrome/VGA Multi-Screen setup?
Posted on 2012-05-10, 04:26
The attached patch for DOSBox SVN implements a secondary monochrome text display that is activated by passing a "-display2 " command line switch. The can be "white", "amber", or "green". It's probably too much of a Frankenstein creation for official DOSBox, but was still fun to make. - Only Win32 is …
Re: PDCurses for SDL
Posted on 2012-05-06, 17:49
Managed to get DOSBox to successfully link by putting -lpdcurses before -lSDL in the list of linked libs; the configure script puts it after. Not sure how that is an important difference... However, the debugger is displayed over the main DOSBox window, perhaps because SDL 1.2.x can only manage one …
PDCurses for SDL
Posted on 2012-05-06, 13:55
PDCurses for SDL has some features not found in the non-SDL Win32 version, so I thought I'd check it out for the DOSBox debugger. The library (libpdcurses.a) is built similarly to the non-SDL library, which seems to work OK, but then all of the SDL functions referenced by the library are unresolved …
Re: Operating the Tandy's SN76489 manually -- not working as expected
Posted on 2012-05-04, 01:39
I hear that the "set frequency to 0" trick doesn't work on SN chips made by TI The Wikipedia page for the SN76489 suggests that the Tandy 1000 used an NCR clone, but perhaps not in every machine manufactured: Another clone is the NCR 7496 or NCR 8496, used in the Tandy 1000 computer. It again has a …
Re: Operating the Tandy's SN76489 manually -- not working as expected
Posted on 2012-05-03, 16:13
The issue was brought up recently, so it's something of a coincidence to see a second thread on the subject: Tandy 1000 Non-DAC Digitized PWM Samples
Re: Tandy 1000 Non-DAC Digitized PWM Samples
Posted on 2012-04-30, 21:26
Sounds like what you hear in DOSBox when games try to use the AdLib for digitized sound, so I guess the same issue with not using a high enough frequency is also true for the sn76496 emulation. I remember Hal-9000 commenting about forwarding digitized stuff on OPL to one of the DAC emulations, so …
Re: CGA Composite Mode under DOSBOX?
Posted on 2012-04-30, 08:05
Take any game with red/blue/white palette and you will see. For example quest for the timebird. How many have you tried? SubLogic Jet in RGB mode, Avoid the Noid, Popcorn -- they use mode 5 and don't change background color with F10/Alt-F10 like Quest for the Time-Bird does. In Popcorn F10 is the …
Re: CGA Composite Mode under DOSBOX?
Posted on 2012-04-30, 05:15
On the text you mean? Yes, it looks strange because the blue used in the shadows is very similar to the background. I didn't really notice the text shadow because the text was never particularly legible, anyway. I was referring to the high-contrast single-pixel transitions, such as on the leading …
Re: CGA Composite Mode under DOSBOX?
Posted on 2012-04-30, 02:41
With default hue in Blue Angels the edge artifacts don't stand out because the colors are similar, but after changing the hue there are single-pixel edges with high contrast. It's a bit strange looking, like some kind of filter was applied to the image. Shouldn't transitions be more gradual in …
Page 107 of 186