Difference between revisions of "F256JR"
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| − | * [[File:JrRevBmouse.png]] | + | * [[File:JrRevBmouse.png|200px]] |
= Kernels = | = Kernels = | ||
Revision as of 10:57, 23 January 2023
The F256 Jr is a 65C02 based system that includes the following features:
- 512K of Shared System & Video RAM (256k on the Rev A)
- 256k of flash
- 256k of cartridge ram/rom
- TinyVICKY Graphic Chip (CFP9599)
- 1x Simple 3-wire UART (RS-232 Port, Feather ESP8266 wifi, or Feather MIDI)
- 2x Atari Style Joystick Ports, 1x DB9 to interface to NES/SNES Adapter (For Rev B Only)
- 1x IEC Port to interface to Commodore Drives
- 2x Internal PSG Sound Chip
- 2x External SID Sockets
Hardware Setup
Kernels
There are two kernels for the Jr.
- The TinyCore MicroKernel comes installed by default. It is an advanced kernel with an integrated IP stack.
- OpenKERNAL is a clean-room clone of the CBM KERNAL as described in the C64 documentation
Hardware Setup
- Port pin-outs
- Adding a mouse port on early Rev B Boards
