Added Indirect X addressing instructions

[uccvend-snackrom.git] / ROM / makeasm.pl

diff --git a/ROM/makeasm.pl b/ROM/makeasm.pl
index bdc48a9..c7b3064 100755 (executable)
--- a/ROM/makeasm.pl
+++ b/ROM/makeasm.pl
@@ -48,6 +48,113 @@ my %twobytesecond = ( '18 38' => 'PULY',
                        '18 3A' => 'ABY',
                        '18 3C' => 'PSHY');
 
+my %twobytesecondword = ( '18 FE' => 'LDY\t%s',
+                       '18 FF' => 'STY\t%s');
+
+my %onewitharg = ('60' => "NEG\t\$%s,X",
+                       '63' => "COM\t\$%s,X",
+                       '64' => "LSR\t\$%s,X",
+                       '67' => "ASR\t\$%s,X",
+                       '68' => "ASL\t\$%s,X",
+                       '6A' => "DEC\t\$%s,X",
+                       '6C' => "INC\t\$%s,X",
+                       '6D' => "TST\t\$%s,X",
+                       '6E' => "JMP\t\$%s,X",
+                       '6F' => "CLR\t\$%s,X",
+                       '80' => "SUBA\t#\$%s",
+                       '81' => "CMPA\t#\$%s",
+                       '82' => "SBCA\t#\$%s",
+                       '84' => "ANDA\t#\$%s",
+                       '85' => "BITA\t#\$%s",
+                       '86' => "LDAA\t#\$%s",
+                       '88' => "EORA\t#\$%s",
+                       '8A' => "ORA\t#\$%s",
+                       'A0' => "SUBA\t\$%s,X",
+                       'A1' => "CMPA\t\$%s,X",
+                       'A2' => "SBCA\t\$%s,X",
+                       'A3' => "SUBD\t\$%s,X",
+                       'A4' => "ANDA\t\$%s,X",
+                       'A6' => "LDAA\t\$%s,X",
+                       'A7' => "STA\t\$%s,X",
+                       'A8' => "EORA\t\$%s,X",
+                       'A9' => "ADCA\t\$%s,X",
+                       'AA' => "ORAA\t\$%s,X",
+                       'AB' => "ADDA\t\$%s,X",
+                       'AC' => "CPX\t\$%s,X",
+                       'AD' => "JSR\t\$%s,X",
+                       'AE' => "LDS\t\$%s,X",
+                       'AF' => "STS\t\$%s,X",
+                       'C0' => "SUBB\t#\$%s",
+                       'C1' => "CMPB\t#\$%s",
+                       'C2' => "SBCB\t#\$%s",
+                       'C4' => "ANDB\t#\$%s",
+                       'C5' => "BITB\t#\$%s",
+                       'C6' => "LDAB\t#\$%s",
+                       'C8' => "EORB\t#\$%s",
+                       'CA' => "ORB\t#\$%s",
+                       'E0' => "SUBB\t\$%s,X",
+                       'E1' => "CMPB\t\$%s,X",
+                       'E2' => "SBCB\t\$%s,X",
+                       'E3' => "ADDD\t\$%s,X",
+                       'E4' => "ANDB\t\$%s,X",
+                       'E6' => "LDAB\t\$%s,X",
+                       'E7' => "STAB\t\$%s,X",
+                       'E8' => "EORB\t\$%s,X",
+                       'E9' => "ADCB\t\$%s,X",
+                       'EA' => "ORAB\t\$%s,X",
+                       'EB' => "ADDB\t\$%s,X",
+                       'EC' => "LDD\t\$%s,X",
+                       'ED' => "STD\t\$%s,X",
+                       'EE' => "LDX\t\$%s,X",
+                       'EF' => "STX\t\$%s,X" );
+
+
+my %onewithword = (
+                  '70' => "NEG\t%s",
+                  '73' => "COM\t%s",
+                  '74' => "LSR\t%s",
+                  '76' => "ROR\t%s",
+                  '77' => "ASR\t%s",
+                  '78' => "LSL\t%s",
+# LSL == ASL
+#                 '78' => "ASL\t%s",
+                  '79' => "ROL\t%s",
+                  '7A' => "DEC\t%s",
+                  '7C' => "INC\t%s",
+                  '7D' => "TST\t%s",
+                  '7F' => "CLR\t%s",
+                  'B0' => "SUBA\t%s",
+                  'B1' => "CMPA\t%s",
+                  'B2' => "SBCA\t%s",
+                  'B3' => "SUBD\t%s",
+                  'B4' => "ANDA\t%s",
+                  'B5' => "BITA\t%s",
+                  'B6' => "LDAA\t%s",
+                  'B7' => "STAA\t%s",
+                  'B9' => "ADCA\t%s",
+                  'BA' => "ORAA\t%s",
+                  'BB' => "ADDA\t%s",
+                  'BC' => "CPX\t%s",
+                  'BD' => "JSR\t%s",
+                  'BE' => "LDS\t%s",
+                  'BF' => "STS\t%s",
+                  'F0' => "SUBB\t%s",
+                  'F1' => "CMPB\t%s",
+                  'F2' => "SBCB\t%s",
+                  'F3' => "ADDD\t%s",
+                  'F4' => "ANDB\t%s",
+                  'F5' => "BITB\t%s",
+                  'F6' => "LDAB\t%s",
+                  'F7' => "STAB\t%s",
+                  'FA' => "ORAB\t%s",
+                  'FB' => "ADDB\t%s",
+                  'F8' => "EORB\t%s",
+                  'F9' => "ADCB\t%s",
+                  'FC' => "LDD\t%s",
+                  'FD' => "STD\t%s",
+                  'FE' => "LDX\t%s",
+                  'FF' => "STX\t%s" );
+
 LINE: while (<>) {
 
 # if blank line, print blank line
@@ -82,7 +189,6 @@ LINE: while (<>) {
 # Usage: instruction line
 sub instruction {
     my ($line) = @_;
-    print ";$line";
 
     $instruction = substr($line,5,2);
 
@@ -101,8 +207,44 @@ sub instruction {
                print "$1\n";
                return;
        }
+    
+       if (defined $twobytesecondword{$thing}) {
+               $athing = substr($line,11,2);
+               $athing2 = substr($line,14,2);
+               if (!($athing2 =~ /\s+/)) {
+                $curraddr = substr($line,0,4);
+                printf "FOO%s\tEQU\t\$%s%s\n", $curraddr,$athing,$athing2;
+                printf "\t$twobytesecondword{$thing}", ">FOO$curraddr";
+                $line =~ /$twobytesecondword{$thing} [0-9A-F][0-9A-F][0-9A-F][0-9A-F](.*)$/i;
+                print "\t;$1\n";
+               return;
+               }
+       }
+    }
+    
+    if (defined $onewitharg{$instruction}) {
+       $thing = substr($line,8,2);
+       
+       printf "\t$onewitharg{$instruction}", $thing;
+       $line =~ /$onewitharg{$instruction} [0-9A-F][0-9A-F](.*)$/i;
+       print "\t;$1\n";
+       return;
+    }
+   
+    if (defined $onewithword{$instruction}) {
+       $thing = substr($line,8,2);
+       $thing2 = substr($line,11,2);
+       if (!($thing2 =~ /\s+/)) {
+       $curraddr = substr($line,0,4);
+       printf "FOO%s\tEQU\t\$%s%s\n", $curraddr,$thing,$thing2;
+       printf "\t$onewithword{$instruction}", ">FOO$curraddr";
+       $line =~ /$onewithword{$instruction} [0-9A-F][0-9A-F][0-9A-F][0-9A-F](.*)$/i;
+       print "\t;$1\n";
+       return;
+       }
     }
    
+    print ";$line";
     if ($line =~ /^([A-F0-9]{4}) ((([A-F0-9]{2}) )*[A-F0-9]{2})/) {
         @_=split(' ',$2);
         print "\tFCB\t\$".join(', $',@_)."\n";