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Recent emulator updates:
20-Dec-2025: The SD-card interface, replacing the ACIA, is now emulated
14-Nov-2024: Overlay of Text/Graphics corrected and some OS65D issues
10-Oct-2024: Character RAM graphics now in color like C1E
02-Sep-2024: Version 1.9 Introducing Character RAM graphics and improved OS65D
28-Feb-2024: X-version for standard ROM's . 32k machines only
19-Dec-2023: Adding Color for C1P/Rev-D boards. Enable with $D800=2
08-Dec-2023: Adding AY-3-8910 programmable sound generator + DEMO
27-Nov-2023: Adding SN76489AN programmable sound generator
16-Nov-2023: Mayor changes to the user interface. Now with SOUND Output (4 or 8 Bits) and Emulator supports Low-res (RTS) and Hires graphic modes
8-July-2023: Low-res graphic mode compatibility for different displays
23-May-2023: Improved YE-DOS 3.53 to run on 5.25 and 3.5 real drives
This page is dedicated to the Ohio Scientific single board computer
SUPERBOARD II , UK101 and C1P
Picture showing a bare 600 board with 4k of RAM
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