![]() ![]() ![]() ![]() I can program the FPGA to blink an on-board LED. With the Yellowstone card naked on my desk, and powered from an external 5V supply, JTAG programming works fine. Last month I discovered some JTAG problems. Yellowstone is an FPGA-based disk controller card for the Apple II family, that aims to emulate a Liron disk controller or other models of vintage disk controller. on NMOS 6502 Phantom Reads, Odd Yellowstone BugsĪfter a month of inactivity, I finally returned to my unfinished Yellowstone disk controller project to investigate the JTAG programming problems. Steve on NMOS 6502 Phantom Reads, Odd Yellowstone Bugs.Adam McLain on Floppy Emu Disk Emulator for Apple II, Macintosh, and Lisa.Steve on Floppy Emu Disk Emulator for Apple II, Macintosh, and Lisa.Gregg Lemke on Yellowstone Universal Disk Controller for Apple II.Yellowstone Universal Disk Controller for Apple II Floppy Emu Disk Emulator for vintage Apple II, Macintosh, and Lisa ![]()
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