David Cook's latest activity
-
David Cook replied to the thread 68k Determining amount of installed RAM.If you want to be compatible with Apple's Switcher, don't forget to check it's low memory global before calling MFTopMem. Otherwise... -
-
David Cook replied to the thread 68k Determining amount of installed RAM.Looks good. BTW: Gestalt in often implemented in compiler glue to provide basic services when the OS doesn't actually have Gestalt. Not...
-
David Cook replied to the thread Macintosh LC 475-recap PSU Dyna Comp DCF 353 (apple part No-614-0028}.I reuse parts across different models that I repair. Therefore, my capacitor list may not be optimized for this power supply. C19 C20...
-
-
David Cook replied to the thread 68k Any sampling profilers for Mac 68k?.Hold the phone! What is this? https://github.com/laniku/sys71src/blob/main/Interfaces/CIncludes/Perf.h Did Apple already create a...
-
David Cook replied to the thread 68k Any sampling profilers for Mac 68k?.BTW, it looks like Apple's Time Manager source code is available. It might help you understand what the stack (and registers) should...
-
David Cook replied to the thread 68k Any sampling profilers for Mac 68k?.Here's a possible approach. 1. Run a test program that shows an alert with it's address range when it starts up. Then have it do some...
-
David Cook replied to the thread IIsi w/ROM - repair and photos.OMG. Your damage was far worse. I would not have even attempted your floppy restoration. Congrats on saving another Mac!
-
Macintosh IIsi computers don't sell for as much as other Macs from the time period. IIsis tend to have motherboard capacitor damage and...
-
-
David Cook replied to the thread SuperMac Supermatch 17 monitor missing pins.That's great news! Happy to help. I'm glad you are keeping the SuperMac monitor. They aren't making any new ones. : )
-
David Cook replied to the thread SuperMac Supermatch 17 monitor missing pins.Here are photos of the SuperMac adapters that I presume they made to allow their monitors to work with internal video: DB-15 female...
-
