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joevt's latest activity
J
joevt
replied to the thread
PowerBook 1400 series ROM and RAM tidbits
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I am referring to @elliotnunn 's tbxi project on GitHub. https://github.com/elliotnunn/tbxi Yes. The xxd commands (with sed) in the...
Yesterday at 7:40 AM
J
joevt
replied to the thread
PowerBook 1400 series ROM and RAM tidbits
.
Not really. You can combine two rom chip dumps into a ROM file, then use tbxi to dump all the resources and parts of each ROM file. cd...
Thursday at 8:31 AM
J
joevt
replied to the thread
Best option for 1024x768 video on IIci?
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According to https://tinkerdifferent.com/threads/documentation-for-db15-to-vga-adapters.318/post-21290 679 is separate sync (67) with a...
Wednesday at 12:49 AM
J
joevt
replied to the thread
How does the upscaling work for the Apple TV Tuner Card?
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I don't remember. I made my own classic Mac OS driver by reverse engineering the original driver and then ported it to Mac OS X. The...
Wednesday at 12:36 AM
J
joevt
replied to the thread
E-Machines Futura MX issues in IIci
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There's one possible type 0,1,2, or 4 sense code. There's 304 ways to do type 0. 32 ways to do type 1,2,4. There's four possible type...
May 11, 2024
J
joevt
replied to the thread
XModem and Maximum Baud (Mac 512K, LC, LC III with leaking reversed capacitor)
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You should try the 115.2 and 230.4 Kbps modes. My ADB Analyzer source code has info/examples but I don't think I ever tried it on a 68K...
May 10, 2024
J
joevt
replied to the thread
How does the upscaling work for the Apple TV Tuner Card?
.
Early computers and gaming consoles would just output the same image in the odd and even field of an interlaced frame, so their vertical...
May 9, 2024
J
joevt
replied to the thread
How does the upscaling work for the Apple TV Tuner Card?
.
NTSC is interlaced: Frames are input at 30Hz. Each frame consists of two fields - one for odd lines and another for even lines. The...
May 8, 2024
J
joevt
replied to the thread
How does the upscaling work for the Apple TV Tuner Card?
.
This can't work without a buffer to store the pixels that will substitute the key color since the display and the video input won't have...
May 8, 2024
J
joevt
replied to the thread
How does the upscaling work for the Apple TV Tuner Card?
.
If it's using a key color to selectively show video pixels, then those pixels must remain as the key color. So video output doesn't...
May 8, 2024
J
joevt
replied to the thread
How does the upscaling work for the Apple TV Tuner Card?
.
From QuickTimeComponents.h (vdig = video digitizer): /* vdig types */ enum { vdTypeBasic = 0, /* basic, no...
Apr 27, 2024
J
joevt
replied to the thread
How does the upscaling work for the Apple TV Tuner Card?
.
I've never noticed a slow down but haven't done any benchmarks. The CPU is not involved in the transfer. The transfer is handled by a...
Apr 26, 2024
J
joevt
replied to the thread
How does the upscaling work for the Apple TV Tuner Card?
.
Power Mac 8500 video input (composite or S-Video) doesn't have a pixel doubler. It did capture 640x480 though. It DMA'd the pixels...
Apr 25, 2024
J
joevt
replied to the thread
Would like to development a new THINK Pascal App for 68K
.
What context are they used? You need to be wary of type sizes of variables and expressions (2 byte integers or 4 byte integers). For...
Apr 25, 2024
J
joevt
replied to the thread
Would like to development a new THINK Pascal App for 68K
.
Where did you get your QDOffscreen.p from? The one I have in the Think Pascal Interfaces file says this: { This file has been...
Apr 21, 2024
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