From 6443f2b48e0d2b4d979ba53469fdc2d3cbf71ad7 Mon Sep 17 00:00:00 2001
From: adam <adam@megacz.com>
Date: Sun, 23 Mar 2008 13:45:02 -0700
Subject: [PATCH] comments from meeting

darcs-hash:20080323204502-5007d-d83f6765934b57e81fa6cae8e4f92c626d4233cd.gz
---
 am33.tex |   34 +++++++++++++++++++---------------
 1 file changed, 19 insertions(+), 15 deletions(-)

diff --git a/am33.tex b/am33.tex
index 8d02767..ea6d0be 100644
--- a/am33.tex
+++ b/am33.tex
@@ -54,6 +54,9 @@ Changes:
 
 \begin{tabular}{rl}
 \color{red}
+??-Mar
+\color{black}
+& added ``if its predicate is true'' to repeat count \\
 12-Mar
 \color{black}
 & renamed loop+repeat to outer+inner (not in red) \\
@@ -111,7 +114,6 @@ from a data packet with a unknown payload.
 
 \begin{center}
 \epsfig{file=overview,width=3in}\\
-\color{red}
 {\it Overview of a Fleet processor; gray shading represents a
   packet-switched network fabric; blue lines carry data, red lines
   carry instructions.}
@@ -149,7 +151,7 @@ Note that the pump in each dock has a destination of its own; this is
 the {\it instruction destination} mentioned in the previous section.
 Note that unlike all other destinations, there is no buffering fifo
 guarding this one.  The size of these fifos are exposed to the
-software programmer so \color{red}he\color{black}\ can avoid deadlock.
+software programmer so he can avoid deadlock.
 
 \pagebreak
 \section{Instructions}
@@ -199,8 +201,6 @@ Each instruction word is called a {\it micro instruction}.
 Collections of one or more micro instruction are known as {\it
   composite instructions}.
 
-\color{red}
-
 The {\tt A} bit stands for {\tt Armor}\footnote{this is to be
   pronounced with a Boston accent (``AAHH-mir'')}.
 The {\tt OL} bit indicates whether or not this instruction is part of
@@ -215,7 +215,7 @@ code that indicates if the instruction should be executed or ignored.
 
 \pagebreak
 \subsection{Life Cycle of an Instruction}
-\color{red}
+
 The diagram below shows an input dock for purposes of illustration
 (behavior at an output dock is identical).
 
@@ -273,7 +273,7 @@ hatch to be unsealed.
 
 \subsection{Inner and Outer Loops}
 
-\color{red}
+
 
 Using the mechanisms described above, a programmer can perform two
 types of loops: {\it inner} loops of only one instruction and {\it
@@ -297,12 +297,16 @@ paths used by inner loops and outer loops are shown below:
 \end{center}
 
 Each type of loop has a counter associated with it: the {\tt IC}
-counter for inner loops and the {\tt OC} counter for outer loops.
-The inner loop counter applies only to {\tt send} instructions; all
-other instructions ignore the inner loop counter.  When a {\tt send}
-instruction reaches the on deck position, it will execute at least
-once; the number of times it executes after that is determined by the
-inner loop counter.
+counter for inner loops and the {\tt OC} counter for outer loops.  The
+inner loop counter applies only to {\tt send} instructions; all other
+instructions ignore the inner loop counter.  When a {\tt send}
+instruction reaches the on deck position,
+\color{red}
+if its predicate is true
+\color{black}
+it
+will execute at least once; the number of times it executes after that
+is determined by the inner loop counter.
 
 The outer loop counter applies to all instructions {\it except} the
 instruction {\tt setOuter} with {\tt OL=0}, because such instructions
@@ -314,7 +318,7 @@ resetting the loop counter in the middle of the execution of a loop.
 
 \subsection{Flags}
 
-The pump has four flags: {\tt A}, {\tt B}, {\tt S}, {\tt L}.  Of
+The pump has four flags: {\tt A}, {\tt B}, {\tt L}, and {\tt S}.  Of
 these four, only the first two may be modified directly by
 instructions.
 
@@ -323,7 +327,7 @@ instructions.
       may be set and cleared by the programmer.
 
 \item
-\color{red}
+
  The {\tt L} flag, known as the {\it last} flag, is set whenever
       the value in the outer counter ({\tt OC}) is one,
 \color{black}
@@ -725,7 +729,7 @@ bits of the data latch unchanged.
   \bitbox[tbr]{16}{} 
 \end{bytefield}}
 
-\color{red}
+
 When a {\tt torpedo} instruction reaches the instruction horn, it will
 wait there until an instruction is on deck whose {\tt A}rmor bit is
 not set.  The {\tt torpedo} will then cause ``Process \#2'' of the on
-- 
1.7.10.4