From f043f6ba9839f1ca1c419da5970644284b3fe803 Mon Sep 17 00:00:00 2001
From: Mark Tearle <mtearle@ucc.asn.au>
Date: Fri, 23 Nov 2001 16:27:38 +0000
Subject: [PATCH] Started mapping out two byte instructions

---
 ROM/makeasm.pl | 52 +++++++++++++++++---------------------------------
 1 file changed, 18 insertions(+), 34 deletions(-)

diff --git a/ROM/makeasm.pl b/ROM/makeasm.pl
index 98faa9e..bdc48a9 100755
--- a/ROM/makeasm.pl
+++ b/ROM/makeasm.pl
@@ -11,6 +11,7 @@ my %transtable = ( '02' => 'IDIV' ,
 			'0E' => 'CLI',
 			'0F' => 'SEI',
 			'19' => 'DAA',
+			'1B' => 'ABA',
 			'30' => 'TSX',
 			'31' => 'INS',
 			'32' => 'PULA',
@@ -21,6 +22,7 @@ my %transtable = ( '02' => 'IDIV' ,
 			'37' => 'PSHB',
 			'3C' => 'PSHX',
 			'38' => 'PULX',
+			'3A' => 'ABX',
 			'3B' => 'RTI',
 			'3E' => 'WAI',
 			'43' => 'COMA',
@@ -40,6 +42,12 @@ my %transtable = ( '02' => 'IDIV' ,
 		#	'10' => 'SBA',
 
 
+my %twobytefirst = ( '18' => '1' );
+
+my %twobytesecond = ( '18 38' => 'PULY',
+			'18 3A' => 'ABY',
+			'18 3C' => 'PSHY');
+
 LINE: while (<>) {
 
 # if blank line, print blank line
@@ -85,40 +93,16 @@ sub instruction {
 	return;
     }
    
-    # FIXME: parse instruction
-    #if (defined($transtable{$instruction})) {
-    #	print "\t$transtable{$instruction}";
-#	if (defined($comment)) { print "; $comment"; }
-#	print "\n";
-#	return;
-#    }
-
-#        chomp;
-#        $l = length;
-#        if ($l == 42) {
-#                print "$_\n";
-#                next;
-#        } elsif ($l != 33) {
-#                print "$_\n";
-#                next;
-#        } else {
-# 
-#        $addr = substr($_,0,4);
-#        $inst = substr($_,27,3);
-#        $val = substr($_,31,2);
-# 
-#        #print "$val\n";
-#        $daddr = (hex $addr) + 2 + convert($val);
-# 
-# 
-#        if (defined $commands{$inst}) {
-#                print "$_\t\t;";
-#                printf "%4X", $daddr;
-#                #print " $addr $inst $val\n";
-#                print "\n";
-#        }
-#        }
-
+    if (defined $twobytefirst{$instruction}) {
+    	$thing = substr($line,5,5);
+    	if (defined $twobytesecond{$thing}) {
+    		print "\t" . $twobytesecond{$thing};
+		$line =~ /$twobytesecond{$thing}(.*)$/i;
+		print "$1\n";
+		return;
+	}
+    }
+   
     if ($line =~ /^([A-F0-9]{4}) ((([A-F0-9]{2}) )*[A-F0-9]{2})/) {
         @_=split(' ',$2);
         print "\tFCB\t\$".join(', $',@_)."\n";
-- 
2.20.1