36:8486ec92869e
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2017-05-28 |
Paul Boddie |
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Moved the framebuffer copying routine into a separate function. |
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display.c vga.S
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35:ea2ae1af65d5
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2017-05-28 |
Paul Boddie |
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Moved display definitions and framebuffer pattern generation to separate files. |
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Makefile display.c vga.S vga.h
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34:5592223c449d
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2017-05-28 |
Paul Boddie |
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Initialise system state before starting interrupts, preventing exceptions caused
by s1 being uninitialised and thus providing an invalid jump target in the
interrupt handler. |
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vga.S
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33:86d4a905aaeb
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2017-05-28 |
Paul Boddie |
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Put the general exception handler in the proper location. |
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vga.S
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32:d62c91958440
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2017-05-22 |
Paul Boddie |
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Added a link to an article about the project. |
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README.txt
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31:1c7433bd942d
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2017-05-22 |
Paul Boddie |
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Added diagrams showing VGA signal, DMA transfer, and output circuit details. |
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docs/dma_transfer.png docs/dma_transfer.svg docs/vga_circuit.png docs/vga_circuit.svg docs/vga_hsync.png docs/vga_hsync.svg docs/vga_picture.png docs/vga_picture.svg docs/vga_timing.png docs/vga_timing.svg
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30:2c7da31c4376
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2017-05-22 |
Paul Boddie |
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Fixed sync pin assignment details. |
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README.txt
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29:bc2484d8f50d
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2017-05-22 |
Paul Boddie |
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Updated the circuit information. |
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README.txt
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28:d2f661d6db88
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2017-05-21 |
Paul Boddie |
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Added a test pattern generating routine. |
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vga.S
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27:b7d5babb9337
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2017-05-21 |
Paul Boddie |
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Fixed the number of visible display lines. |
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vga.S
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