From ca0c557e2c61e2fc6cc97482a17f68fd2ee61392 Mon Sep 17 00:00:00 2001
From: Julian Blake Kongslie
Date: Sun, 5 Dec 2021 15:16:41 -0800
Subject: Implement DF and IF, and Dep and Exam switches.

---
 PLAN | 12 ------------
 1 file changed, 12 deletions(-)

(limited to 'PLAN')

diff --git a/PLAN b/PLAN
index 2283c2f..e9689e2 100644
--- a/PLAN
+++ b/PLAN
@@ -1,11 +1,5 @@
 Turn on blinkenlights from the PDP core
 
-Implement switch features:
-    Deposit - needs a state machine
-        [pc++] = switch_sr
-    Examine - needs a state machine
-        led_memdata = [pc++]
-
 Implement remaining TTY output instructions
 
 Jules thinks clock is most likely interrupt source
@@ -17,9 +11,3 @@ Sources of interrupts observed:
     TTO ready for output interrupt - this looks like a very likely candidate
     TTI input ready interrupt - this looks like a very likely candidate
         Looks like these happen even when there is no input available - might be caused by the program itself doing something a little funny
-
-Implement IF/DF fields
-    Will need to update behaviour of switch_load_add
-
-Add a macro for reversing polarity of switch_sing_step and switch_sing_inst and
-making switch_dep happen on key lift instead of key press
-- 
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