Waylon Cude
f840d27b8e
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The audio output is still messed up, but this commit gets everything as ready as it can get. Fixed up all the testbenches and added state machines for everything
31 lines
1.2 KiB
Plaintext
31 lines
1.2 KiB
Plaintext
digraph rom_sd {
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Reset [shape = doublecircle, label = "RESET\nbuffer_half = 0\nrom_addr = 0\nrom_enable = 1\nbuffer.addra=0\nready=0"];
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node [shape = circle];
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Delay1 [label="DELAY1\nrom_addr++"];
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Delay2 [label="DELAY2\nrom_addr++"];
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Delay3 [label="DELAY3\nrom_addr++\nbuffer.dina=rom_data\nbuffer.ena=1"];
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WriteBuf [label="WRITEBUF\nbuffer.ena=1\nbuffer.dina=rom_data\nbuffer.addra++\nrom_addr++"];
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EndWrite1 [label="ENDWRITE1\nbuffer.ena=1\nbuffer.data=rom_data\nbuffer.addra++"];
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EndWrite2 [label="ENDWRITE2\nbuffer.ena=1\nbuffer.data=rom_data\nbuffer.addra++"];
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EndWrite3 [label="ENDWRITE3\nbuffer.ena=0\nbuffer.data=rom_data\nbuffer.addra++\nready=1"];
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Wait [label = "WAIT"];
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Reset -> Reset [label="reset"];
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Reset -> Delay1 [label="!reset"];
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Delay1 -> Delay2;
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Delay2 -> Delay3;
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Delay3 -> WriteBuf;
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WriteBuf -> WriteBuf [label="buffer.addra < 1023"]
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WriteBuf -> EndWrite1 [label="buffer.addra == 1023"]
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EndWrite1 -> EndWrite2;
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EndWrite2 -> EndWrite3;
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EndWrite3 -> Wait;
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Wait -> Wait [label = "buffer_half == buffer.address_half"]
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Wait -> Delay1 [label = "buffer_half != buffer.address_half"]
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}
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