From d4c7711c21e5fef75d966a32dce96f9abc5af8b2 Mon Sep 17 00:00:00 2001
From: uvok
Date: Sun, 25 Jan 2026 10:05:58 +0100
Subject: eater: Add flags_in flag

---
 eater_cpu/cpp/simpc_curses.cpp | 5 +++--
 eater_cpu/eater_decoder.sv     | 2 ++
 eater_cpu/eater_types.sv       | 2 ++
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/eater_cpu/cpp/simpc_curses.cpp b/eater_cpu/cpp/simpc_curses.cpp
index b1ca064..4b4f04f 100644
--- a/eater_cpu/cpp/simpc_curses.cpp
+++ b/eater_cpu/cpp/simpc_curses.cpp
@@ -87,12 +87,13 @@ void simpc_ui_write(const std::unique_ptr<Veater_computer> &topp, uint64_t i) {
              topp->eater_computer->flags.__PVT__PC_count ? flag_on : flag_off,
              topp->eater_computer->flags.__PVT__PC_in ? flag_on : flag_off);
   PRINT_ME_W(clock_regs, flagstart + 1, 1,
-             "%c InsI | %c RAI | %c AO  | %c BO  | %c CnO",
+             "%c InsI | %c RAI | %c AO  | %c BO  | %c CnO | %c FI",
              topp->eater_computer->flags.__PVT__INS_in ? flag_on : flag_off,
              topp->eater_computer->flags.__PVT__RAM_in ? flag_on : flag_off,
              topp->eater_computer->flags.__PVT__A_out ? flag_on : flag_off,
              topp->eater_computer->flags.__PVT__B_out ? flag_on : flag_off,
-             topp->eater_computer->flags.__PVT__PC_out ? flag_on : flag_off);
+             topp->eater_computer->flags.__PVT__PC_out ? flag_on : flag_off,
+             topp->eater_computer->flags.__PVT__flags_in ? flag_on : flag_off);
   PRINT_ME_W(
       clock_regs, flagstart + 2, 1, "%c InsO | %c RAO | %c AlO | %c Sub | %c OI",
       topp->eater_computer->flags.__PVT__INS_out ? flag_on : flag_off,
diff --git a/eater_cpu/eater_decoder.sv b/eater_cpu/eater_decoder.sv
index e18d20d..9ddc000 100644
--- a/eater_cpu/eater_decoder.sv
+++ b/eater_cpu/eater_decoder.sv
@@ -139,6 +139,7 @@ always_comb begin
     ADD_ALU_to_A: begin
         internal_flags.ALU_out = 1;
         internal_flags.A_in = 1;
+        internal_flags.flags_in = 1;
     end
 
     SUB_INS_to_MAR: begin
@@ -155,6 +156,7 @@ always_comb begin
         internal_flags.ALU_out = 1;
         internal_flags.ALU_subtract_nadd = 1;
         internal_flags.A_in = 1;
+        internal_flags.flags_in = 1;
     end
 
     STA_INS_to_MAR: begin
diff --git a/eater_cpu/eater_types.sv b/eater_cpu/eater_types.sv
index c7f0cf0..e12d15b 100644
--- a/eater_cpu/eater_types.sv
+++ b/eater_cpu/eater_types.sv
@@ -85,6 +85,7 @@ typedef struct packed {
     logic PC_out, PC_in, PC_count;
     logic OUT_in;
     logic halt;
+    logic flags_in;
 } CpuControlFlags;
 `else
 typedef struct {
@@ -97,6 +98,7 @@ typedef struct {
     logic PC_out, PC_in, PC_count;
     logic OUT_in;
     logic halt;
+    logic flags_in;
 } CpuControlFlags;
 `endif
 
-- 
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