08 Field Die And Data Bus

08 — Field Die and Data Bus

Field Die — ✅

• 64 MiB guest RAM (GUEST_RAM_BYTES)
• VGA text at guest 0xB8000
• C: mirror at 0x01000000
• Not DOSBox — same SSBO mapped host + GPU

Execution model

1. GPU: x86.comp interprets guest instructions, renders Big Grin HUD (172×48)
2. Host assist: FieldX86Emu when ControlHostCpu set

data_bus[64] — telemetry spine

Slots	Content
[0–1]	Pump generation, cycles/frame
[2–15]	RAM, VGA, FAT layer telemetry
[16–23]	Analog FCC floats (TimeScale … FieldCoupling)
[24–28]	ThermoAccountant mirrors
[32–41]	Input (keyboard, mouse)
[42]	AmouranthOS chrome flags
[57–63]	Audio, BIOS, IO, drives

Tesla valve bias → slots 31 and 34.

Field layers (L0–L9)

Ten composable layers: RAM, VGA, FAT, MSCDEX, Audio, IO, BIOS — pumped via FieldLayer::pumpAll().

ZMM1024 tile cache

Tail region in FieldX86Die SSBO — shader-side fabric sample cache for HUD hex dumps.

Next: 09 — FCC & Tesla