'0E' => 'CLI',
'0F' => 'SEI',
'19' => 'DAA',
+ '1B' => 'ABA',
'30' => 'TSX',
'31' => 'INS',
'32' => 'PULA',
'37' => 'PSHB',
'3C' => 'PSHX',
'38' => 'PULX',
+ '3A' => 'ABX',
'3B' => 'RTI',
'3E' => 'WAI',
'43' => 'COMA',
# '10' => 'SBA',
+my %twobytefirst = ( '18' => '1' );
+
+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",
+ '8B' => "ADDA\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",
+ 'C9' => "ADCB\t#\$%s",
+ 'CA' => "ORB\t#\$%s",
+ 'CB' => "ADDB\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",
+# '95' => "BITA\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",
+ 'D5' => "BITB\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
# Usage: instruction line
sub instruction {
my ($line) = @_;
- print ";$line";
$instruction = substr($line,5,2);
if (defined $transtable{$instruction}) {
+ print ";$line";
print "\t$transtable{$instruction}";
$line =~ /$transtable{$instruction}(.*)$/i;
print "$1\n";
return;
}
- # FIXME: parse instruction
- #if (defined($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}) {
+ print ";$line";
+ $thing = substr($line,5,5);
+ if (defined $twobytesecond{$thing}) {
+ print "\t" . $twobytesecond{$thing};
+ $line =~ /$twobytesecond{$thing}(.*)$/i;
+ 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}) {
+ print ";$line";
+ $thing = substr($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}) {
+ print ";$line";
+ $thing = substr($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";