 bart
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e1bb01a621
Cleaned and renamed Quartus project.
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1 year ago |
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bart
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d602419429
Added support for negative ints in .dw for python assembler.
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1 year ago |
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bart
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7e822dcae0
Made assembly for rendering mandelbrot program, with other improvements as well.
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1 year ago |
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bart
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19b70deac8
Added support for signed .dw instructions.
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1 year ago |
 Bart
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cf2db3b9cd
Merge pull request #1 from b4rt-dev/PixelEngine
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1 year ago |
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bart
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01b9bb8f29
Added signed right shift operation to CPU, assembler, compiler, code and documentation.
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1 year ago |
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bart
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4dd2ff7765
Merged from main.
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1 year ago |
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bart
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6e3cd7cd9c
PixelEngine now works in hardware with both HDMI and NTSC. Added pxtest and mandelbrot test programs.
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1 year ago |
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bart
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7b14d2d273
Improved Pixel Engine.
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1 year ago |
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bart
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6dc8fc396f
Added Pixel Engine in simulation.
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1 year ago |
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bart
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442d51ba85
Added images to documentation, HDMI is working without lvds, init of new sdram controller done.
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1 year ago |
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bart
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308cc6a90d
Fixed SDRAM controller by setting phase shift to 180 degrees.
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1 year ago |
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bart
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a76905443f
Ported Quartus to 5CEA5 FPGA. SDRAM does not seem to work.
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1 year ago |
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b4rt-dev
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8d56c91fea
Added fast (but inaccurate) and accurate (but slow) option for UART flasher.
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1 year ago |
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b4rt-dev
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118fe8b319
Improved new button check in USB keyboard driver of BDOS
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1 year ago |
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b4rt-dev
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c4599a63cc
New documentation structure. Updated some documentation. Added relevant graphics scripts and files from FPGC5 repo.
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1 year ago |
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bart
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52b5107bba
Created benchmarking tool which includes calculating digits of pi.
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2 years ago |
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bart
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d55077792f
Updated BCC for B32P
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2 years ago |
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bart
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6667e11cee
Updated documentation on assembler and BDOS.
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2 years ago |
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bart
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4c9ea8dbde
Added list of things to add in documentation
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2 years ago |
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bart
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1026f4776c
Cleaned up some files
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2 years ago |
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bart
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b9bc26129d
Added gitattributes to ignore the huge UARTbootloader.asm file. Deleted old quartus test project.
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2 years ago |
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bart
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9f74a9565f
Fixed more MU I/O bugs. Updated everything from BCC except the ASM to work on new CPU. Added back flasher programs. Fixed LOAD/HI bug by using unsigned const16 instead. Updated assembler including hotfix for FPGC jumping to addr3 after UART bootloader is done. FPGC6 now basically fully works again!
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2 years ago |
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bart
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411c20ac98
Copied over BCC from FPGC5. No modifications yet.
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2 years ago |
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bart
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58325c3b1d
Added Subl3 build files
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2 years ago |
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bart
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207413dd90
Assembler only needs Int: function, fixed position of program lenght. Ported ROM and UART bootloader over from FPGC5. Updated documentation on interrupts. Added resets. Fixed bug in MU. Increased stack size. Tested everything in hardware. Probably some other fixes and things I forgot.
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2 years ago |
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bart
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69e83fb855
Fully implemented interrupts in verilog. Return address appears to work fine, but might need some further testing for different delays in the pipeline.
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2 years ago |
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bart
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e493a27ab4
Started on interrupts. Triggering seems to work, reti still needs to be implemented
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2 years ago |
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bart
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ced78a8cbf
Fixed signed number bug in assembler, updated documentation about signed branches
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2 years ago |
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bart
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1cf78e1fab
Added and updated the assembler (python version)
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2 years ago |
