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6502 комп на FPGA с VGA и PS/2-клавой 
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Joined: 08 Jan 2003 23:22
Posts: 22409
Location: Silicon Valley
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https://github.com/emeb/up5k_vga

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  • Up to 52kB SRAM with optional write protect (using two of the four available SPRAM cores)
  • 8 bits input, 8 bits output
  • 115200bps serial I/O port
  • 800x600 60Hz 64 color VGA with text/glyph, 16-color medium rez, 2 color hi-rez, 32kB video RAM (2 16kB pages) and original OSI 2kB character ROM
  • 2kB ROM for startup and I/O support
  • 8kB Ohio Scientific C1P Microsoft BASIC loaded from spi flash into protected RAM
  • SPI port with access to external flash memory
  • LED PWM driver
  • PS/2 Keyboard port with tx and rx capability
  • 4-voice sound generator with 1-bit sigma-delta output

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01 Oct 2023 14:48
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