F256 JR.
PRODUCT SPECIFICATIONS
Development Tools
Foenix IDE (Emulator)
(Development System for Foenix Products)
https://github.com/Trinity-11/FoenixIDE/releases
Calypsi C/ASM 65C02 Tool Chain
(Supports Foenix Products)
F256 Foenix Emulator
(Emulator for the F256 Jr)
General Specifications
SYSTEM
Low-Cost WDC W65C02S System
- CPU: WDC65C02 @ 6.29Mhz (Available)
System General Memory
- 256KBytes Static RAM
- 512KBytes FLASH
Options (extra cost)
- TQFP or DIP (Socket) for CPU
- ZIF Sockets for the SIDs
- 256K RAM Expansion Module (Code Memory)
Future Options
- 65C816 CPU Support @ 6.29Mhz (Need the DIP Socket for Upgrade)
- FNX6809 CPU Upgrade @ 6.29Mhz (Custom HD6803/MC6809) for the F256 Jr Socket.
Software Support
- Comes with an Installed (Flashed) micro-kernel & SuperBASIC on BOOT
- Can be reflashed with user software
- USB background debug port to read and write directly in memory to speed up development
Reference Manual
https://github.com/pweingar/C256jrManual/blob/main/tex/f256jr_ref.pdf
VIDEO SUB-SYSTEM
Graphics Engine
TinyVicky (CFP9599)
Resolutions
Text Modes:
80×60, 40×60, 80×30, 40×30 (@ 60Hz)
80×50, 40×50, 80×25, 40×25 (@ 70Hz)
Graphics Modes:
320×240 @ 60Hz
320×200 @ 70Hz
Color Depth
256 Colors – 8bits Per Pixel – For All Modes. (4x LUT)
Graphics Engine Features
3 Layer System + Interstitial Sprites Layer
Can be any choices of Bitmap or Tiles.
Out of 3x Bitmap Layers
Out of 3x Tilemap Layers
64x Sprites Muxable (8×8, 16×16, 24×24, 32×32)
DMA Engine (Non-Transparent)
SYSTEM MISC
Media
IEC Port – Commodore Drive
Full-Size SDCard
Communication Ports
1x Simple UART Port or WIFI (ESP Feather Board)
Joysticks
2x Atari Style Input (Through the VIA)
1x NES/SNES Connector for NES/SNES Adapter (excluded)
Others
Single Row Connector to interface with C64 Keyboard or to use as a IO Connector.
Expansion Connector to allow Memory Expansion or Else.
AUDIO SUB-SYSTEM
FPGA Sound
2x Instances of PSG – SN76489
3x Voices Per Channel or 6x Voices Mono
Stereo SID Unpopulated Sockets
2x SID with +9V/+12V power rail & Mono/Stereo select
Accessible Analog Input
Audio Sampling
No DAC Port (as of the writing of this specs)
Misc
RCA Stereo Line-Out
1/8″ inch Headphone Output Connector
MECHANICAL SPECS
Enclosure Dimension
6.75″x6.75″ Mini-ITX Standard Form Factor
Product Weight
TBD