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Emulator learnings folded back into decompiler

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Aiden
2026-05-25 19:11:22 +10:00
parent 1fabf6587d
commit d2e7609bbf
16 changed files with 1468 additions and 87 deletions
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30
h8536/sci_protocol.py
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@@ -61,11 +61,26 @@ SSR_FLAGS = {
}
SSR_CLEAR_ACTIONS = {
7: ("clear_tdre", "clear {channel} transmit data register empty flag (TDRE)"),
6: ("clear_rdrf", "clear {channel} receive-data-full flag (RDRF)"),
5: ("clear_orer", "clear {channel} overrun error flag (ORER)"),
4: ("clear_fer", "clear {channel} framing error flag (FER)"),
3: ("clear_per", "clear {channel} parity error flag (PER)"),
7: (
"clear_tdre",
"clear {channel} TDRE after TDR write; TXI can fire again when hardware reasserts TDRE",
),
6: (
"clear_rdrf",
"clear {channel} RDRF with SSR R/(W)* semantics: write 0 clears latched hardware flag, write 1 preserves hardware-owned state",
),
5: (
"clear_orer",
"clear {channel} ORER with SSR R/(W)* semantics: write 0 clears latched hardware flag, write 1 preserves hardware-owned state",
),
4: (
"clear_fer",
"clear {channel} FER with SSR R/(W)* semantics: write 0 clears latched hardware flag, write 1 preserves hardware-owned state",
),
3: (
"clear_per",
"clear {channel} PER with SSR R/(W)* semantics: write 0 clears latched hardware flag, write 1 preserves hardware-owned state",
),
}
@@ -263,7 +278,10 @@ def _scr_bit_event(
verb = "enable" if enabled else "disable"
action_noun = noun.replace("/", "_").replace(" ", "_").lower()
if bit == 7:
comment = f"{verb} {register.channel} TX interrupt (TIE)"
comment = (
f"{verb} {register.channel} TX interrupt (TIE); "
"gates TXI when hardware sets TDRE"
)
elif bit == 6:
comment = f"{verb} {register.channel} receive and receive-error interrupts (RIE)"
elif bit == 5: