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29 lines
774 B
Markdown
29 lines
774 B
Markdown
# IBM-II Software Ethernet Surface
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This harness treats an IBM-II-class machine as a software Ethernet controller
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surface. Ethernet is only the local shell. The admitted Omnitoken object is
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still the two-byte scale-invariant LUT selector:
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```text
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u8 domain
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u8 scalar
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```
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The controller emulates constraints that matter for old/small machines:
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- four-slot RX ring
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- 160-byte receive slot budget
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- Ethernet-like frame shell with EtherType `0x88B5`
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- CRC/FCS rejection before LUT admission
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- no JSON parsing on the tiny side
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The hosted observer can still emit JSON-L provenance after the tiny controller
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has admitted the scalar.
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Run:
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```sh
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make -C infra/embedded_surface/ibmii run
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make -C infra/embedded_surface/ibmii noisy
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make -C infra/embedded_surface/ibmii burst
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```
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