- #Basilisk ii add more memory serial#
- #Basilisk ii add more memory manual#
- #Basilisk ii add more memory Pc#
- #Basilisk ii add more memory plus#
#Basilisk ii add more memory plus#
When prompted, select the plusrom.bin file from the Plus Too archive, and write the file to the DE1 memory. Click the Write a File to Flash button.In the Sequential Write section, enter 0 for the address and click the File Length checkbox.
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#Basilisk ii add more memory manual#
See sections 3.1 and 4.1 of the DE1 user manual for help. This file is included on the CD that comes with the DE1 kit.
#Basilisk ii add more memory Pc#
An old PS/2 mouse from a PC (newer USB-based mice won’t work).If you missed the earlier discussions about it, Plus Too is a working replica of a Macintosh Plus, implemented in an FPGA. Since the Plus Too project hasn’t seen any progress in a year, I’m posting all the design files in the hopes that someone else may want to build on what I’ve done. Some discussion about the Mac core for MiST is at Īdditional German-language discussion is at Read 10 comments and join the conversation make the video timing closer to a real Mac.get both floppies to work nicely with.The original Plus Too required disk images to be GCR encoded ahead of time, using a separate utility program. Till is currently working on implementing on-the-fly GCR encoding of standard Macintosh disk images, similar to the way Floppy Emu works. This might be a hardware difference, or something related to the timing problems that were fixed. Somewhere along the way, the stability problems I observed with the DE1 version also disappeared. added an on-screen menu to select floppy disk images.replaced the 6522 VIA implementation with one from the BBC Micro.adapted the memory controller to use SDRAM instead of SRAM.Till’s progress with Plus Too on MiST so far: The classic Mac is the only computer from that era that’s still missing. MiST already has working cores for the Amiga and Atari ST, as well as a large number of 8-bit computers and game consoles. The ARM CPU isn’t used directly in the replicated system, but performs helper functions like loading the selected FPGA core from the SD card, managing configuration overlay menus, and mimicking external peripherals like disks. It combines a powerful Altera FPGA with a separate ARM-based CPU. Till Harbaum designed the MiST board to implement classic 16-bit computers like the Amiga and Atari ST as a System-on-a-Chip using modern hardware, and it’s better suited to the task of replication than a generic board like the DE1.
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#Basilisk ii add more memory serial#
It worked well enough to boot Mac System 6.0.8 from a replica floppy disk, but it suffered from stability problems, and had no support for keyboard, sound, SCSI, serial ports, or real-time clock. I did the original work four years ago using an Altera DE1 evaluation board, which pairs an FPGA with some SRAM, flash memory, and other components. All of the original Mac’s chips are modeled in a hardware description language and implemented in the FPGA’s logic cells: the 68000 CPU, VIA, SCC, IWM, memory controller, video circuitry, etc. Plus Too is a reimplementation of a Macintosh Plus, synthesized in an FPGA. The video shows Plus Too booting on the MiST board, and selecting a boot floppy disk image from the MiST’s overlay menu. Till Harbaum has ported my original, unfinished design to the MiST board, and has begun making fixes and improvements. olePigeon on New Product: Apple Disk Drive A/B SwitchĪfter a long hiatus, there’s new progress for the Plus Too FPGA-based Macintosh replica.
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Steve on New Product: Apple Disk Drive A/B Switch.Tux2000 on First Look at the RP2040 – Raspberry Pi Microcontroller.Yellowstone Universal Disk Controller for Apple II Floppy Emu Disk Emulator for vintage Apple II, Macintosh, and Lisa