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Re: 40 Column Text Mode Issues

Posted on 2005-11-14, 20:48

Since the 320 mode can display four colors, that is four shades of luminosity as opposed to the one shade of the 640 modes. Well, not only do you have four shades of gray, but also the color difference signal modulated on top of it. The "monochrome bit" in port 3d8 not only turns off the color …

Re: 40 Column Text Mode Issues

Posted on 2005-11-12, 22:42

NewRisingSun's algorithim is more advanced than the one DOSBox uses. And slower, too. This requires somewhat different tweaks compared to the usual 640x200 mode on a composite monitor, as NewRisingSun can explain in much more detail. Well, you have the chip-generated color in addition to the " …

Re: 40 Column Text Mode Issues

Posted on 2005-11-09, 21:15

I didn't see any variety of the striped monochrome effects, though as NewRisingSun noted the text is very difficult to read; Here's how my algorithm emulates the composite monitor in text modes. As Servo stated, it's hard but not impossible to read. The B/W pictures are with the color burst bit off …

Re: 40 Column Text Mode Issues

Posted on 2005-11-04, 08:48

We already know that composite color in a 320 mode will vary from manufacturer to manufacturer. We do? It doesn't matter here, as the number of text mode games is small, and the normal RGB emulation is enough for them. I don't trust these Atari people anyway --- like their incorrect claim that the …

Re: 40 Column Text Mode Issues

Posted on 2005-10-31, 08:37

just tell me where to get this specific version. abandonware-france.org I just thought there may be something different in this case since you didn't add this driver to your other patches even though those games require it too. I just haven't uploaded the others yet. However, these installation …

Re: 40 Column Text Mode Issues

Posted on 2005-10-30, 07:32

No, it isn't. I just found that I still have this version (5.25" floppies only -- haven't got the rest of the package). First time I played it, I was just a kid and didn't understand what they meant by it. I'll believe it when I see it. Looking forward to your screenshot... make sure you also tell …

Re: 40 Column Text Mode Issues

Posted on 2005-10-29, 23:00

o, perhaps if you'll use CGA320C.DRV from later versions of KQ4SCI, v1.000.111 will also look like other SCI games look with this driver? Well, just try it... this driver was designed so these games will look like AGI games (i.e., red/brown/green/blue) on a CGA I don't think it was "designed" …

Re: 40 Column Text Mode Issues

Posted on 2005-10-28, 17:32

Would QfG2's interpreter support a type 4 file or bitmap pic-resources? Does KQ5E's interpreter support vector graphics? Sure. You can use the QfG2 interpreter with the EGA version of KQ5, and vice-versa (minus the parser). Does any SCI interpreter support VGA vector graphics? I don't know, but I …

Re: 40 Column Text Mode Issues

Posted on 2005-10-28, 10:45

The term is even mentioned in "your" wikipedia entry. It is a fact that QfG is often called an SCI01 game. I didn't deny that; I denied that it's "halfway between SCI0 and SCI1". And I still want to know what kind of a SCI?? game KQ5 EGA is according to your terminology. That it has little bearing …

Re: 40 Column Text Mode Issues

Posted on 2005-10-28, 08:07

Why do you think it's called SCI01? By whom? By people who know what they're talking about? If you want to call QfG2 "SCI01", you should call the EGA version of KQ5 "SCI01" as well, because the interpreter (SCI means "Sierra's Creative Interpreter", so you see, it just applies to the interpreter, …

Re: 40 Column Text Mode Issues

Posted on 2005-10-27, 18:26

QfG2 is often refered to as SCI01, since it is halfway between SCI0 and SCI1. It has the graphics and parser system of the former, but is internally more like the latter. It's not "halfway between SCI0 and SCI1", it's a run-of-the-mill SCI1 game, end of story. Read my Wikipedia article . The sample …

Re: 40 Column Text Mode Issues

Posted on 2005-10-27, 14:45

If we both are using the same KQ4 version, shouldn't we get the same color palette? (I took my screenshot using DOSBox in cga mode.) Not if you're using DosBox, while I used MESS to take that screenshot. The driver is the same; DosBox honors the palette select bit of port 0x3d9 even when the …

Re: 40 Column Text Mode Issues

Posted on 2005-10-27, 11:38

or maybe an Adlib/Soundblaster driver that only used the OPL chip). Did it come on 5.25" or on 3.5" floppy disks? On my single 1.018 SQ3, the SNDBLAST.DRV was only on the 3.5" floppy disk. It's also possible that you had your Sound Blaster set to IRQ 5; SQ3's SNDBLAST.DRV only works with IRQ 7. I …

Re: 40 Column Text Mode Issues

Posted on 2005-10-26, 19:19

the ugly problem of disk failure and bit rot almost makes it not worth it. Maybe I'm a good at handling disks, because every single one of my original game disks still works perfectly --- even my Ultima II PC disks from 1983 or so. Almost all eBay items I buy have perfectly working disks as well, …

Re: 40 Column Text Mode Issues

Posted on 2005-10-26, 06:42

why did Sierra bother to record samples for this game (like when Roger's saying "Where am I?" in the intro), but never released it with a driver that actually enables the game to play them? If I'm not mistaken, the original floppy version came without an SB driver at all, and the copy in the SQ …

Re: 40 Column Text Mode Issues

Posted on 2005-10-25, 22:41

It must be admitted that the SCI0 games, which have a native resolution of 320x200x16, don't look very good if you set the game the "2-Color CGA" mode and connect the CGA card to a composite monitor. Even if the game does support the color composite mode, it isn't very sharp looking. Details get …

Re: 40 Column Text Mode Issues

Posted on 2005-10-25, 16:24

AGI booters used Mode 6 for their composite color, but I am not sure if they continued to use this Mode or Mode 4 for the AGI DOS versions AGI's composite mode is neither mode 4 nor mode 6. It's a custom video mode, which looks like mode 6 on an RGB monitor. If a game uses a 320x240 mode, starting …

Re: 40 Column Text Mode Issues

Posted on 2005-10-24, 16:41

SCI0 games, (except for KQ4) use the L. Cyan/Pink/White palette. That so-called "alternative palette" seen in the SQ3 screenshot is really designed for the composite video mode. I don't know what you mean by that last sentence. SCI0 games except early KQ4 use Mode 5 (not 4), which on a CGA results …

Re: 40 Column Text Mode Issues

Posted on 2005-10-23, 18:59

The intensity bit also works on a CGA in mode 5. CGA320C just sets mode 5 without sending any palette at all, so you will get the mode's default palette. The PC BIOS writes 0x30 to 0x3d9 for all modes except 6, therefore, the default palette, and thus the correct CGA320C one, is the intense one. If …

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