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The RGBtoHDMI interface converts the "digital" RGB video signal from the BBC Micro or Electron to HDMI compatible with most modern TV/Monitors.
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IanSB eb439e7cdb Merge RGB and YUV sampling file formats so profiles are interchangeable between CPLDs 2020-07-27 04:19:49 +01:00
Kicad_6Bit kicad: Added PDF schematic of 6-bit board 2020-05-04 10:57:23 +01:00
kicad kicad: Added PDF schematic of 3-bit board 2020-05-04 10:53:59 +01:00
kicad_Extender_3_bit_buffer/V1 Update 3 bit buffer layout 2020-03-30 22:45:43 +01:00
kicad_Extender_6_bit_buffer/V1 Update 6 bit buffer 2020-04-10 19:47:03 +01:00
kicad_Extender_8_bit_buffer/V1 Update 8 bit buffer 2020-04-10 19:47:22 +01:00
kicad_Extender_PC_buffer/V1 PC buffer layout 2020-03-30 22:46:35 +01:00
kicad_analog_6bit kicad: Added PDF schematic of V3 analog board 2020-05-04 11:02:13 +01:00
kicad_atom Kicad: Atom v2: Added pdf schematic 2019-05-02 12:07:27 +01:00
src Merge RGB and YUV sampling file formats so profiles are interchangeable between CPLDs 2020-07-27 04:19:49 +01:00
vhdl Update RGB CPLD to inhibit clamp pulse in DC mode 2020-06-23 05:46:40 +01:00
vhdl_RGB_6bit RGB CPLD release files v7.4 2020-06-23 05:47:04 +01:00
vhdl_RGB_8bit Update 8 bit RGB CPLD to V8.1 - Add 8 bit capture mode 2020-07-20 21:21:46 +01:00
vhdl_YUV_8bit YUV_6bit renamed to YUV_8bit 2020-07-20 21:28:24 +01:00
vhdl_alt CPLD: Corrected sampling offset to better centre screen; CPLD version now 0.9 2018-07-15 15:31:51 +01:00
vhdl_atom vhdl_atom: removed v1 ucf file to avoid confusion, all boards are v2 2020-02-08 17:52:00 +00:00
vhdl_bbc BBC CPLD v6.6 rebuilt; RGB CPLD v7.2: remove swap_bits 2020-02-08 12:41:24 +00:00
.gitignore Refactor xilinx projects so vhdl_bbc and vhdl_RGB_6bit share same vhdl/ucf file 2019-12-05 14:34:59 +00:00
LICENSE Added GPLv3 LICENSE and README 2018-12-02 12:59:43 +00:00
README.md Added GPLv3 LICENSE and README 2018-12-02 12:59:43 +00:00

README.md

RGBtoHDMI

The RGBtoHDMI interface converts the "digital" RGB video signal from the BBC Micro or Electron to HDMI compatible with most modern TV/Monitors. The interface comprises a Raspberry Pi Zero and a specially designed Hat containing a small CPLD. Custom firmware on the Raspberry Pi, in conjunction with the CPLD, is able to correctly sample each of the Beeb's video modes to give a pixel-perfect rendition.

For more information, see the project Wiki.