the KITTY is a (currently in-development) 65c02-based open source homebrew computer geared towards text mode and PETSCII-inspired graphics and games. The design uses only in-production parts and custom discrete logic circutry·
Useful Links
At the moment the hardware is still in active prototype development, and there is still no stable PCB revision, this page will be updated once that happens.
- CPU: 8bit 65c02 CPU running at an average ~2.2Mhz
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- 3Mhz Bus
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- Alternate drop-in support for a 16bit 65c816 upgrade
- RAM: 28Kib of RAM
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- 2KiB used as Video RAM
- VIDEO: Character Based Graphics
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- 256x256 Pixel Resolution at 50Hz (PAL)
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- 32x32 tiles with per-tile character and color control
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- 16 Possible Colors
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- Fixed font of 256 ascii-compatible characters
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- RGB Output via SCART Connector
- AUDIO: Custom "Wavetable" audio
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- 4 Channels of audio, 3 melodic and 1 percussive
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- 1byte (8x1) wavetables
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- 4bit+4bit stereo volume control
- PORTS: 2 Cartridge Ports used for Programs, Expansion and Peripherals
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- Each Cartridge contains up to 128 banks of 32Kib for a total maximum 4Mib Address Space
- INPUT: Custom 40-key mechanical keyboard matrix