Jason Neus

CD Audio Header

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ISSUE: Add internal header for CD Audio, such as found on the Amiga 4000. SEVERITY: Enhancement request. SCOPE: Future revision. PROPOSED FIX: Review A4000 schematics and include similar solution.

ISSUE: Through holes for the slots are somewhat small. This makes them slightly difficult to install. SEVERITY: Enhancement request. SCOPE: Future revision. Slot footprints only. PROPOSED FIX: Review actual pin...

ISSUE: The XCLKEN pin is lacking a pullup resistor, which could result in the 74HC258 switching to the XCLK signal when there is not one present. SEVERITY: There have been...

Feature Request: Support generic FTDI boards for programming

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I have an Adafruit FT232H board I wish to use for programming SPI flash memory for the iCE40HX4K. This is one example of many generic FTDI boards out there. My...

Enable Zorro 2 RAM In 68000 Mode

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Currently, the Zorro 2 RAM on the N2630 is only available in 68030 mode. It should be possible to enable it in 68000 mode with little or no undesirable side...

Signal name in verilog influences time to pad.

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Using APIO 0.9.5 with Ubuntu 24.04. Having some interesting issues with the behavior of an iCE40HX4K FPGA. **The verilog synthesizes without error in each case described.** The verilog in question...

The clock frequency values are reversed in the schematics and iBOM. The correct values are X1: 50MHz, X2: 25MHz. X1 always drives the CPU clock and will drive the FPU...