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Add a skeleton for DASH4 Debug Adapter for SH CPUs #12790

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New systems marked not working

DASH4 Debug Adapter [Arcade Hacker]

New systems marked not working
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DASH4 Debug Adapter [Arcade Hacker]
microprocessors.
It's an intelligent debug pod that offers a complete low-level debug capability. The DASH4 uses the JTAG
interface to communicate with the target at 1.5 Mbytes/s via the Hitachi User Debug Interface (HUDI)
built-in to the SH7750. The DASH4 connects to the host computer via Ethernet to allow high-speed
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@angelosa angelosa Sep 19, 2024

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SH7750 doesn't make sense here: the SoC mounted on the provided PCB ASCII below is a HD6417604F28, which is a SH2, cfr. psikyo/psikyosh.cpp and seibu/feversoc.cpp.
Is the DASH4 printed on PCB?

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Is the DASH4 printed on PCB?
Yes, see attached pic.

This text was based on the (archived) product web page...

DASH4 PCB front

DASH4 Codescape information

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The 7750 is not the CPU on the DASH4, but the CPU externally connected to the DASH4

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I'm wondering how much similar it is to Katana (Dreamcast) Dev.box's Debug Adapter PCB? expected to be quite similar device but with SCSI instead of Ethernet, uses CodeScape software as well.
SegaDC_KatanaMBb_1


} // anonymous namespace

SYST( 1999, dash4, 0, 0, dash4, dash4, dash4_state, empty_init, "Cross Products Ltd.", "DASH4 Debug Adapter", MACHINE_IS_SKELETON )
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We don't use trading entities for manufacturer field. Please ditch the Ltd.

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Fixed, thanks

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3 participants