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Commits on Oct 17, 2015

• plumb C65 UART @ $D600 to pins 1 and 2 on PMOD connector JC.

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Commits on Sep 28, 2015

• make leds 15 and 14 show speed gate and speed gate enable lines.

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Commits on Sep 19, 2015

• add 8-bit port at $D60F (in uart6551) that allows us to use PMOD

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Commits on Sep 18, 2015

• plumb in uart6551 and fix bugs.

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Commits on Mar 25, 2015

• work on making simulation in ghdl 0.31 work again.

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Commits on Dec 15, 2014

• add missing signals for GHDL 0.31 simulation

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Commits on Nov 3, 2014

• add simulation target for alpha blender and fix synthesis errors

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Commits on Sep 19, 2014

• disable some debug output

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Commits on Sep 18, 2014

• kickstart in cpu test bench enabled by default.

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Commits on Sep 16, 2014

• insert delay before sending first frame to ease RR-NET debugging.

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• go back to sending real PING packet in test bench

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Commits on Sep 11, 2014

• fix ethernet key input and test in cpu_test testbench.

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Commits on Aug 7, 2014

• support disabling kickstart ROM and using C65 ROM directly in

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Commits on Aug 6, 2014

• work on plumbing in dummy slowram with C65GS ROM for simulation of

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Commits on Aug 5, 2014

• fix eth TX byte reconstruction for debug.

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Commits on Aug 4, 2014

• add different test vectors for ethernet.

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• improve ethernet tx debug to capture sent bytes.

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• change injected frame to one we captured on the wire.

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Commits on Aug 1, 2014

• more work towards automatically appending ethernet FCS to outbound

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• inject dummy ethernet frames during simulation.

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Commits on Jul 29, 2014

• plumb eth_rxer

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• plumb ethernet interface lines through. begin work on implementing

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• plumb 50mhz clock through to ethernet controller.

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Commits on Jul 13, 2014

• adjust VIC to CPU/IO clock ratios and use whole ns units so that

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Commits on Jul 2, 2014

• make uart run at 32mhz

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Commits on Jun 30, 2014

• update test bench for new clock arrangement.

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Commits on Jun 16, 2014

• implment PWM audio output. 8-bit resolution, so PWM rate is

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• add crude interfaces to microphone, accelerometer and thermometer.

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Commits on Feb 13, 2014

• update test bench to work with sdcard driver.

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Commits on Feb 8, 2014

• first cut at implementing slow ram. Issue gardners#13.

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Commits on Jan 18, 2014

• connect IRQ & NMI from iomapper to CPU.

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Commits on Jan 17, 2014

• refactor to allow simulation of CPU with simulable clock.

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Commits on Jan 14, 2014

• changes to accommodate testing of parsing in serial monitor.

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Commits on Jan 13, 2014

• connect reset button to uart monitor.

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• add generation of bitstream for UART.

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