From e0ee03184517737bb5a01f98142ad713324bda7c Mon Sep 17 00:00:00 2001
From: Julian Blake Kongslie
Date: Sat, 22 Oct 2022 23:31:04 -0700
Subject: Initial interrupt controller support

---
 isa/isa.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'isa/isa.h')

diff --git a/isa/isa.h b/isa/isa.h
index 24ed108..1ad5a77 100644
--- a/isa/isa.h
+++ b/isa/isa.h
@@ -8,6 +8,7 @@ enum ctlreg {
     DATA_INSTRUCTION_FIELD_SAVED,   // (df_saved << 3) | if_saved
     HALTED,
     INT_ENABLE,                     // (int_enable_delay << 1) | int_enable
+    INT_PENDING,                    // only meaningful if interrupts disabled
     TT_BITS,                        // see below TT[IO]_* consts
     TT_INPUT_INT_ENABLE,
     TT_OUTPUT_INT_ENABLE,
-- 
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