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https://github.com/softwarejanitor/as65.git
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Misc fixes to handle Stanton examples
This commit is contained in:
Leeland Heins
GitHub
parent
aeae825014
commit
b3228fa2f9
392
as65.pl
392
as65.pl
@ -2378,6 +2378,17 @@ sub parse_line {
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$mnemonic = $2;
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$operand = $3;
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$comment = '';
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# Handle comments w/o ; -- S-C assembler
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} elsif ($line =~ /^(\S+)\s+(\S+)\s+(\S+)\s+(.+)$/) {
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$label = $1;
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$mnemonic = $2;
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$operand = $3;
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$comment = $4;
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} elsif ($line =~ /^\s+(\S+)\s+(\S+)\s+(.+)$/) {
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$label = '';
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$mnemonic = $1;
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$operand = $2;
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$comment = $3;
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} else {
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print sprintf("SYNTAX ERROR! %-4d %s\n", $lineno, $line);
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}
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@ -2464,7 +2475,7 @@ if (open($ifh, "<$input_file")) {
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}
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# We only need to look for ORG and EQU on pass 1.
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if ($ucmnemonic eq 'ORG') {
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if ($ucmnemonic =~ /ORG|\.OR/) {
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# Set base
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$operand =~ s/^\$//;
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$base = hex(lc($operand));
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@ -2535,7 +2546,7 @@ if (open($ifh, "<$input_file")) {
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$symbols{$symbol} = sprintf("\$%04x", $addr);
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}
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$addr++;
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} elsif ($ucmnemonic =~ /^DA$/) {
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} elsif ($ucmnemonic =~ /^DA$|^\.DA$/) {
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if ($label ne '') {
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my $symbol = $label;
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$symbols{$symbol} = sprintf("\$%04x", $addr);
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@ -2554,16 +2565,39 @@ if (open($ifh, "<$input_file")) {
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$addr++;
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} elsif ($operand =~ /^#>(.+)/) {
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$addr++;
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# Allow symbol arithmatic.
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} elsif ($operand =~ /^([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*)\s*([+-])\s*(\$*[0-9a-fA-F]+)$/) {
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my $symval = $symbols{$1};
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if (defined $symval) {
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if ($symval =~ /\$([0-9a-fA-F][0-9a-fA-F])$/) {
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$addr++;
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} elsif ($symval =~ /\$([0-9a-fA-F][0-9a-fA-F])([0-9a-fA-F][0-9a-fA-F])$/) {
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$addr += 2;
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}
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#} else {
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# print "**** $lineno - Unknown symbol '$1' in '$line'\n";
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}
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# Allow symbols.
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} elsif ($operand =~ /^([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*)\s*$/) {
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my $symval = $symbols{$1};
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if (defined $symval) {
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if ($symval =~ /\$([0-9a-fA-F][0-9a-fA-F])$/) {
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$addr++;
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} elsif ($symval =~ /\$([0-9a-fA-F][0-9a-fA-F])([0-9a-fA-F][0-9a-fA-F])$/) {
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$addr += 2;
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}
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#} else {
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# print "**** $lineno - Unknown symbol '$1' in '$line'\n";
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}
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} else {
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##FIXME -- allow symbol arithmatic here
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my @symbols = split(',', $operand);
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my @bytes;
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foreach my $sym (@symbols) {
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my $symval = get_symval($sym);
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if (defined $symval) {
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push @bytes, sprintf("%02x", parse_symval($symval));
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} else {
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print "**** $lineno - Unknown symbol '$sym' in '$line'\n";
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#} else {
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# print "**** $lineno - Unknown symbol '$sym' in '$line'\n";
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}
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}
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$addr += scalar(@bytes);
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@ -2602,7 +2636,7 @@ if (open($ifh, "<$input_file")) {
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$symbols{$symbol} = sprintf("\$%04x", $addr);
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}
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##FIXME -- implement this
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} elsif ($ucmnemonic =~ /OBJ|CHK|LST|END|SAV/) {
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} elsif ($ucmnemonic =~ /OBJ|CHK|LST|END|SAV|\.TF/) {
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# Just ignore this
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} elsif ($ucmnemonic =~ /MAC/) {
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print "**** MACRO START **** '$line'\n" if $debug;
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@ -2655,6 +2689,310 @@ if (open($ifh, "<$input_file")) {
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}
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}
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print "**** Starting 1st pass again ****\n" if $verbose;
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print "\n" if $verbose;
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# Rewind to the beginning of the input file.
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seek($ifh, 0, 0);
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$addr = $base;
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$lineno = 0;
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$checksum = 0;
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# Pass 1.5, build symbol table.
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while (my $line = readline $ifh) {
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chomp $line;
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$lineno++;
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#print sprintf("%04x: %-4d %s\n", $addr, $lineno, $line) if $listing;
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# Skip blank lines.
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next if $line =~ /^\s*$/;
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# Skip comment lines.
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next if $line =~ /^\s*;/;
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next if $line =~ /^\s*\*/;
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# Process .org lines.
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#if ($line =~ /^\.org\s+(.+)/) {
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# my $operand = $1;
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# $operand =~ s/^\$//;
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# $base = hex(lc($operand));
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# $addr = $base;
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# print sprintf("%%%%%%%% base=%s \$%02x\n", $base, $base) if $verbose;
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# next;
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#}
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# Parse .alias lines.
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#if ($line =~ /^\.alias\s+(\S+)\s+(.+)/) {
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# my $alias = $1;
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# my $val = $2;
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# $val =~ s/\s*;(.+)$//;
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# $symbols{$alias} = $val;
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# print "%%%% alias $alias $val\n" if $verbose;
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# next;
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#}
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# Parse input lines.
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my ($label, $mnemonic, $operand, $comment) = parse_line($line, $lineno);
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my $rv;
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# Look for symbols.
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if (defined $label && $label ne '' && $label ne ';' && $mnemonic !~ /EQU|\.EQ|^=$/i) {
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my $symbol = $label;
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if (! defined $symbols{$symbol}) {
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print sprintf("%%%%%%%% Saving symbol $label %s \$%04x\n", $addr, $addr) if $verbose;
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$symbols{$symbol} = sprintf("\$%04x", $addr);
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}
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}
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next unless defined $mnemonic;
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next if $mnemonic eq '';
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my $ucmnemonic = uc($mnemonic);
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#if ($in_macro) {
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# if ($ucmnemonic ne '<<<') {
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# print "%%%% Saving $line to macro $cur_macro\n";
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# push @{$macros{$cur_macro}}, $line;
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# }
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#}
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# We only need to look for ORG and EQU on pass 1.
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if ($ucmnemonic =~ /ORG|\.OR/) {
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# Set base
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#$operand =~ s/^\$//;
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#$base = hex(lc($operand));
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#$addr = $base;
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#print sprintf("%%%%%%%% Setting base to \$%04x\n", $base) if $verbose;
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} elsif ($ucmnemonic =~ /EQU|\.EQ|^=$/i) {
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# define constant
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my $symbol = $label;
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if (! defined $symbols{$symbol}) {
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print "%%%% Saving Symbol $symbol $operand\n" if $verbose;
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#if ($operand =~ /^\$([0-9a-fA-F]+)$/) {
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# $symbols{$symbol} = lc($operand);
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## 8 bit binary
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#} elsif ($operand =~ /^%([01]{8})$/) {
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# $symbols{$symbol} = '$' . sprintf("%02x", unpack('C', pack("B8", $1)));
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## 16 bit binary
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#} elsif ($operand =~ /^%([01]{8})([01]{8})$/) {
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# $symbols{$symbol} = '$' . sprintf("%02x", unpack('C', pack("B8", $1))) . sprintf("%02x", unpack('C', pack("B8", $2)));
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# Handle symbol
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#} elsif ($operand =~ /^([<>]*)([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*)$/) {
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if ($operand =~ /^([<>]*)([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*)$/) {
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my $symval = $symbols{$2};
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if (defined $symval) {
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# Handle < and >.
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if (defined $1 && $1 eq '<') {
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if ($symval =~ /\$([0-9a-fA-F]{1,2})/) {
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$symbols{$symbol} = $1;
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}
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} elsif (defined $1 && $1 eq '>') {
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if ($symval =~ /\$[0-9a-fA-F]*([0-9a-fA-F]{1,2})/) {
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$symbols{$symbol} = $1;
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}
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} else {
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$symbols{$symbol} = $symval;
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}
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} else {
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print "**** $lineno - Unknown symbol '$2' in '$line'\n";
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}
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# Allow arithmetic on symbol
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} elsif ($operand =~ /^([<>]*)([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*)\s*[+]\s*(\$*[0-9a-fA-F]+)$/) {
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# Add
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$symbols{$symbol} = sprintf("\$%x", sym_add($symbols{$2}, $3));
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} elsif ($operand =~ /^([<>]*)([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*)\s*[+]\s*(\$*[0-9a-fA-F]+)$/) {
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# Subtract
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$symbols{$symbol} = sprintf("\$%x", sym_sub($symbols{$2}, $3));
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} else {
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$symbols{$symbol} = $operand;
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}
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}
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} elsif ($ucmnemonic =~ /HEX/) {
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if ($label ne '') {
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my $symbol = $label;
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if (! defined $symbols{$symbol}) {
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$symbols{$symbol} = sprintf("\$%04x", $addr);
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}
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}
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if ($operand =~ /([0-9a-fA-F]+)/) {
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$addr += (length($1) / 2);
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##FIXME -- need to handle symbols here.
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}
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} elsif ($ucmnemonic =~ /^DS$/) {
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if ($label ne '') {
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my $symbol = $label;
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if (! defined $symbols{$symbol}) {
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$symbols{$symbol} = sprintf("\$%04x", $addr);
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}
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}
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if ($operand =~ /\$([0-9a-fA-F]+)/) {
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$addr += hex(lc($1));
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} elsif ($operand =~ /^(\d+)/) {
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$addr += $1;
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##FIXME -- need to handle symbols here.
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}
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} elsif ($ucmnemonic =~ /^DB$/) {
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if ($label ne '') {
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my $symbol = $label;
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$symbols{$symbol} = sprintf("\$%04x", $addr);
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}
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$addr++;
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} elsif ($ucmnemonic =~ /^DA$|^\.DA$/) {
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if ($label ne '') {
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my $symbol = $label;
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if (! defined $symbols{$symbol}) {
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$symbols{$symbol} = sprintf("\$%04x", $addr);
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}
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}
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$addr += 2;
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} elsif ($ucmnemonic =~ /DFB/) {
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if ($label ne '') {
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my $symbol = $label;
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if (! defined $symbols{$symbol}) {
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$symbols{$symbol} = sprintf("\$%04x", $addr);
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}
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}
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if ($operand =~ /^%([01]{8})/) {
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$addr++;
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} elsif ($operand =~ /^\$([0-9a-fA-F][0-9a-fA-F])/) {
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$addr++;
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} elsif ($operand =~ /^#<(.+)/) {
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$addr++;
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} elsif ($operand =~ /^#>(.+)/) {
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$addr++;
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# Allow symbol arithmatic.
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} elsif ($operand =~ /^([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*)\s*([+-])\s*(\$*[0-9a-fA-F]+)$/) {
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my $symval = $symbols{$1};
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if (defined $symval) {
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if ($symval =~ /\$([0-9a-fA-F][0-9a-fA-F])$/) {
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$addr++;
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} elsif ($symval =~ /\$([0-9a-fA-F][0-9a-fA-F])([0-9a-fA-F][0-9a-fA-F])$/) {
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$addr += 2;
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}
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} else {
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print "**** $lineno - Unknown symbol '$1' in '$line'\n";
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}
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# Allow symbols.
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} elsif ($operand =~ /^([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*)\s*$/) {
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my $symval = $symbols{$1};
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if (defined $symval) {
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if ($symval =~ /\$([0-9a-fA-F][0-9a-fA-F])$/) {
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$addr++;
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} elsif ($symval =~ /\$([0-9a-fA-F][0-9a-fA-F])([0-9a-fA-F][0-9a-fA-F])$/) {
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$addr += 2;
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}
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} else {
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print "**** $lineno - Unknown symbol '$1' in '$line'\n";
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}
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} else {
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my @symbols = split(',', $operand);
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my @bytes;
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foreach my $sym (@symbols) {
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my $symval = get_symval($sym);
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if (defined $symval) {
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push @bytes, sprintf("%02x", parse_symval($symval));
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} else {
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print "**** $lineno - Unknown symbol '$sym' in '$line'\n";
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}
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}
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$addr += scalar(@bytes);
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}
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} elsif ($ucmnemonic =~ /ASC|DCI|INV|FLS|BLK|REV|STR/) {
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if ($label ne '') {
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my $symbol = $label;
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if (! defined $symbols{$symbol}) {
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$symbols{$symbol} = sprintf("\$%04x", $addr);
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}
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}
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my $str = '';
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my $trl;
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if ($operand =~ /^\"(.+)\"([0-9a-fA-F]*)$/) {
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$str = $1;
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$trl = $2;
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} elsif ($operand =~ /^'(.+)'([0-9a-fA-F]*)$/) {
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$str = $1;
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$trl = $2;
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}
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$addr += length($str);
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$addr++ if defined $trl;
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} elsif ($ucmnemonic =~ /HBY/) {
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if ($label ne '') {
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my $symbol = $label;
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if (! defined $symbols{$symbol}) {
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$symbols{$symbol} = sprintf("\$%04x", $addr);
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}
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}
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##FIXME -- implement this
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} elsif ($ucmnemonic =~ /BYT/) {
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if ($label ne '') {
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my $symbol = $label;
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$symbols{$symbol} = sprintf("\$%04x", $addr);
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}
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##FIXME -- implement this
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} elsif ($ucmnemonic =~ /DFS/) {
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if ($label ne '') {
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my $symbol = $label;
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$symbols{$symbol} = sprintf("\$%04x", $addr);
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}
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##FIXME -- implement this
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} elsif ($ucmnemonic =~ /OBJ|CHK|LST|END|SAV|\.TF/) {
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# Just ignore this
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#} elsif ($ucmnemonic =~ /MAC/) {
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# print "**** MACRO START **** '$line'\n" if $debug;
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# $macros{$label} = ();
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# $in_macro = 1;
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# $cur_macro = $label;
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#} elsif ($ucmnemonic =~ /\<\<\</) {
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# print "**** MACRO END **** '$line'\n" if $debug;
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# $in_macro = 0;
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# $cur_macro = '';
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# Mnemonic Addressing mode Form Opcode Size Timing
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} elsif (defined $mnemonics{$ucmnemonic}) {
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my $foundit = 0;
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foreach my $opmode (keys $mnemonics{$ucmnemonic}) {
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my $checkfunc = $modefuncs{$opmode}{'check'};
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if ($checkfunc->($operand, $lineno)) {
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$addr += $modefuncs{$opmode}{'size'};
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$foundit = 1;
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last;
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}
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}
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if (! $foundit) {
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print "!!!! $lineno - Unrecognized addressing mode '$line'!\n";
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}
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} elsif (defined $macros{$ucmnemonic}) {
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print "#### MACRO $ucmnemonic ####\n" if $debug;
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# Add length for the macro.
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my $maclnno = 0;
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foreach my $macln (@{$macros{$ucmnemonic}}) {
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$maclnno++;
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my ($maclabel, $macmnemonic, $macoperand, $maccomment) = parse_line($macln, $maclnno);
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my $ucmacmnemonic = uc($macmnemonic);
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my $foundit = 0;
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foreach my $opmode (keys $mnemonics{$ucmacmnemonic}) {
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my $checkfunc = $modefuncs{$opmode}{'check'};
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if ($checkfunc->($macoperand, $maclnno)) {
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$addr += $modefuncs{$opmode}{'size'};
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$foundit = 1;
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last;
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}
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}
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if (! $foundit) {
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print "!!!! $maclnno - Unrecognized addressing mode in macro '$macln'!\n";
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}
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}
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} else {
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print "$lineno - Unknown mnemonic '$mnemonic' in '$line'\n";
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}
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}
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print "\n" if $verbose;
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if ($symbol_table) {
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@ -2705,7 +3043,7 @@ if (open($ifh, "<$input_file")) {
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my $ucmnemonic = uc($mnemonic);
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# Skip ORG, EQU and OBJ on pass 2.
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if ($ucmnemonic =~ /ORG|EQU|\.EQ|OBJ|LST|^=$|END|SAV/) {
|
||||
if ($ucmnemonic =~ /ORG|\.OR|EQU|\.EQ|OBJ|LST|^=$|END|SAV|\.TF/) {
|
||||
print sprintf(" %-4d %s\n", $lineno, $line) if $code_listing;
|
||||
next;
|
||||
}
|
||||
@ -2788,6 +3126,44 @@ if (open($ifh, "<$input_file")) {
|
||||
generate_8($ofh, $addr, 0x00, $lineno, $line);
|
||||
}
|
||||
$addr++;
|
||||
# Allow symbol arithmatic.
|
||||
} elsif ($operand =~ /^([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*)\s*([+-])\s*(\$*[0-9a-fA-F]+)$/) {
|
||||
my $sym = $1;
|
||||
my $op = $2;
|
||||
my $val = $3;
|
||||
if ($val =~ /^\$([0-9a-fA-F]+)/) {
|
||||
$val = hex(lc($1));
|
||||
}
|
||||
my $symval = get_symval($sym);
|
||||
if (defined $symval) {
|
||||
if ($symval =~ /\$([0-9a-fA-F][0-9a-fA-F])$/) {
|
||||
my $opval = hex(lc($1));
|
||||
if ($op eq '+') {
|
||||
$opval += $val;
|
||||
} elsif ($op eq '-') {
|
||||
$opval -= $val;
|
||||
}
|
||||
generate_8($ofh, $addr, $opval, $lineno, $line);
|
||||
$addr++;
|
||||
} elsif ($symval =~ /\$([0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F])/) {
|
||||
my $opval = hex(lc($1));
|
||||
if ($op eq '+') {
|
||||
$opval += $val;
|
||||
} elsif ($op eq '-') {
|
||||
$opval -= $val;
|
||||
}
|
||||
my $opv = sprintf("%04x", $opval);
|
||||
my $opval1 = hex(lc(substr($opv, 0, 2)));
|
||||
my $opval2 = hex(lc(substr($opv, 2, 2)));
|
||||
generate_16($ofh, $addr, $opval1, $opval2, $lineno, $line);
|
||||
$addr += 2;
|
||||
}
|
||||
} else {
|
||||
print "**** $lineno - Unknown symbol '$sym' in '$line'\n";
|
||||
generate_8($ofh, $addr, 0x00, $lineno, $line);
|
||||
$addr++;
|
||||
}
|
||||
##FIXME - Allow symbols here
|
||||
} elsif ($operand =~ /[0-9a-fA-F][0-9a-fA-F],*/) {
|
||||
#my @bytes = split(',', $operand);
|
||||
my @symbols = split(',', $operand);
|
||||
@ -2843,7 +3219,7 @@ if (open($ifh, "<$input_file")) {
|
||||
generate_8($ofh, $addr, $opval, $lineno, $line);
|
||||
$addr++;
|
||||
}
|
||||
} elsif ($ucmnemonic =~ /^DA$/) {
|
||||
} elsif ($ucmnemonic =~ /^DA$|^\.DA$/) {
|
||||
# Handle binary.
|
||||
if ($operand =~ /^%([01]{16})/) {
|
||||
my $opval1 = unpack('C', pack("B8", substr($1, 0, 8)));
|
||||
|
||||
90
asfmt.pl
90
asfmt.pl
@ -10,6 +10,8 @@
|
||||
|
||||
use strict;
|
||||
|
||||
my $debug = 0;
|
||||
|
||||
sub usage {
|
||||
print "Usage:\n";
|
||||
print "$0 [-h] <input_file>\n";
|
||||
@ -35,7 +37,7 @@ sub parse_line {
|
||||
my ($line, $lineno) = @_;
|
||||
|
||||
my ($label, $mnemonic, $operand, $comment) = ('', '', '', '');
|
||||
if ($line =~ /^(\S+)\s+(\S+)\s+(\S+)\s+(;.*)$/) {
|
||||
if ($line =~ /^(\S+)\s+(\S+)\s+(\S+)\s*(;.*)$/) {
|
||||
$label = $1;
|
||||
$mnemonic = $2;
|
||||
$operand = $3;
|
||||
@ -45,7 +47,7 @@ sub parse_line {
|
||||
$mnemonic = $2;
|
||||
$operand = $3;
|
||||
$comment = '';
|
||||
} elsif ($line =~ /^\s+(\S+)\s+(\S+)\s+(;.*)$/) {
|
||||
} elsif ($line =~ /^\s+(\S+)\s+(\S+)\s*(;.*)$/) {
|
||||
$label = '';
|
||||
$mnemonic = $1;
|
||||
$operand = $2;
|
||||
@ -55,7 +57,11 @@ sub parse_line {
|
||||
$mnemonic = $1;
|
||||
$operand = $2;
|
||||
$comment = '';
|
||||
} elsif ($line =~ /^\s+(\S+)\s+(;.*)$/) {
|
||||
if ($operand =~ /^;/) {
|
||||
$comment = $operand;
|
||||
$operand = '';
|
||||
}
|
||||
} elsif ($line =~ /^\s+(\S+)\s*(;.*)$/) {
|
||||
$label = '';
|
||||
$mnemonic = $1;
|
||||
$operand = '';
|
||||
@ -75,38 +81,96 @@ sub parse_line {
|
||||
$mnemonic = $2;
|
||||
$operand = '';
|
||||
$comment = '';
|
||||
} elsif ($line =~ /^\s+(\S+)\s+(;.*)$/) {
|
||||
} elsif ($line =~ /^\s+(\S+)\s*(;.*)$/) {
|
||||
$label = '';
|
||||
$mnemonic = $1;
|
||||
$operand = '';
|
||||
$comment = $2;
|
||||
} elsif ($line =~ /^(\S+)\s+(\S+)\s+(;.*)$/) {
|
||||
} elsif ($line =~ /^(\S+)\s+(\S+)\s*(;.*)$/) {
|
||||
$label = $1;
|
||||
$mnemonic = $2;
|
||||
$operand = '';
|
||||
$comment = $3;
|
||||
} elsif ($line =~ /^(\S+)\s+([Aa][Ss][Cc])\s+(".+")\s+(;.*)$/) {
|
||||
} elsif ($line =~ /^(\S+)\s*(;.*)$/) {
|
||||
$label = $1;
|
||||
$mnemonic = '';
|
||||
$operand = '';
|
||||
$comment = $2;
|
||||
} elsif ($line =~ /^(\S+)\s+([Aa][Ss][Cc])\s+(".+"[0-9a-fA-F]*)\s+(;.*)$|^(\S+)\s+([Ddl[Cc][Ii])\s+(".+"[0-9a-fA-F]*)\s+(;.*)$|^(\S+)\s+([Ii][Nn][Vv])\s+(".+"[0-9a-fA-F]*)\s+(;.*)$|^(\S+)\s+([Ff][Ll][Ss])\s+(".+"[0-9a-fA-F]*)\s+(;.*)$|^(\S+)\s+([Rr][Ee][Vv])\s+(".+"[0-9a-fA-F]*)\s+(;.*)$|^(\S+)\s+([Ss][Tt][Rr])\s+(".+"[0-9a-fA-F]*)\s*(;.*)$/) {
|
||||
$label = $1;
|
||||
$mnemonic = $2;
|
||||
$operand = $3;
|
||||
$comment = $4;
|
||||
} elsif ($line =~ /^\s+([Aa][Ss][Cc])\s+(".+")\s+(;.*)$/) {
|
||||
} elsif ($line =~ /^\s+([Aa][Ss][Cc])\s+(".+"[0-9a-fA-F]*)\s+(;.*)$|^\s+([Dd][Cc][Ii])\s+(".+"[0-9a-fA-F]*)\s+(;.*)$|^\s+([Ii][Nn][Vv])\s+(".+"[0-9a-fA-F]*)\s+(;.*)$|^\s+([Ff][Ll][Ss])\s+(".+"[0-9a-fA-F]*)\s+(;.*)$|^\s+([Rr][Ee][Vv])\s+(".+"[0-9a-fA-F]*)\s+(;.*)$|^\s+([Ss][Tt][Rr])\s+(".+"[0-9a-fA-F]*)\s*(;.*)$/) {
|
||||
$label = '';
|
||||
$mnemonic = $1;
|
||||
$operand = $2;
|
||||
$comment = $3;
|
||||
} elsif ($line =~ /^(\S+)\s+([Aa][Ss][Cc])\s+(".+")\s*$/) {
|
||||
} elsif ($line =~ /^(\S+)\s+([Aa][Ss][Cc])\s+(".+"[0-9a-fA-F]*)\s*$|^(\S+)\s+([Dd][Cc][Ii])\s+(".+"[0-9a-fA-F]*)\s*$|^(\S+)\s+([Ii][Nn][Vv])\s+(".+"[0-9a-fA-F]*)\s*$|^(\S+)\s+([Ff][Ll][Ss])\s+(".+"[0-9a-fA-F]*)\s*$|^(\S+)\s+([Rr][Ee][Vv])\s+(".+"[0-9a-fA-F]*)\s*$|^(\S+)\s+([Ss][Tt][Rr])\s+(".+"[0-9a-fA-F]*)\s*$/) {
|
||||
$label = $1;
|
||||
$mnemonic = $2;
|
||||
$operand = $3;
|
||||
$comment = '';
|
||||
} elsif ($line =~ /^\s+([Aa][Ss][Cc])\s+(".+")\s*$/) {
|
||||
} elsif ($line =~ /^\s+([Aa][Ss][Cc])\s+(".+"[0-9a-fA-F]*)\s*$|^\s+([Dd][Cc][Ii])\s+(".+"[0-9a-fA-F]*)\s*$|^\s+([Ii][Nn][Vv])\s+(".+"[0-9a-fA-F]*)\s*$|^\s+([Ff][Ll][Ss])\s+(".+"[0-9a-fA-F]*)\s*$|^\s+([Rr][Ee][Vv])\s+(".+"[0-9a-fA-F]*)\s*$|^\s+([Ss][Tt][Rr])\s+(".+"[0-9a-fA-F]*)\s*$/) {
|
||||
$label = '';
|
||||
$mnemonic = $1;
|
||||
$operand = $2;
|
||||
$comment = '';
|
||||
# Next 4 for things like LDA #" "
|
||||
} elsif ($line =~ /^\s+(\S+)\s+(#\".\")\s*(;.*)$/) {
|
||||
$label = '';
|
||||
$mnemonic = $1;
|
||||
$operand = $2;
|
||||
$comment = $3;
|
||||
} elsif ($line =~ /^\s+(\S+)\s+(#\".\")\s*$/) {
|
||||
$label = '';
|
||||
$mnemonic = $1;
|
||||
$operand = $2;
|
||||
$comment = '';
|
||||
} elsif ($line =~ /^(\S+)\s+(\S+)\s+(#\".\")\s*(;.*)$/) {
|
||||
$label = $1;
|
||||
$mnemonic = $2;
|
||||
$operand = $3;
|
||||
$comment = $3;
|
||||
} elsif ($line =~ /^(\S+)\s+(\S+)\s+(#\".\")\s*$/) {
|
||||
$label = $1;
|
||||
$mnemonic = $2;
|
||||
$operand = $3;
|
||||
$comment = '';
|
||||
# Next 4 for things like DS 255," "
|
||||
} elsif ($line =~ /^\s+([Dd][Ss])\s+(\d+,\".\")\s*(;.*)$/) {
|
||||
$label = '';
|
||||
$mnemonic = $1;
|
||||
$operand = $2;
|
||||
$comment = $3;
|
||||
} elsif ($line =~ /^\s+([Dd][Ss])\s+(\d+,\".\")\s*$/) {
|
||||
$label = '';
|
||||
$mnemonic = $1;
|
||||
$operand = $2;
|
||||
$comment = '';
|
||||
} elsif ($line =~ /^(\S+)\s+([Dd][Ss])\s+(\d+,\".\")\s*(;.*)$/) {
|
||||
$label = $1;
|
||||
$mnemonic = $2;
|
||||
$operand = $3;
|
||||
$comment = $3;
|
||||
} elsif ($line =~ /^(\S+)\s+([Dd][Ss])\s+(\d+,\".\")\s*$/) {
|
||||
$label = $1;
|
||||
$mnemonic = $2;
|
||||
$operand = $3;
|
||||
$comment = '';
|
||||
# Handle comments w/o ; -- S-C assembler
|
||||
} elsif ($line =~ /^(\S+)\s+(\S+)\s+(\S+)\s+(.+)$/) {
|
||||
$label = $1;
|
||||
$mnemonic = $2;
|
||||
$operand = $3;
|
||||
$comment = $4;
|
||||
} elsif ($line =~ /^\s+(\S+)\s+(\S+)\s+(.+)$/) {
|
||||
$label = '';
|
||||
$mnemonic = $1;
|
||||
$operand = $2;
|
||||
$comment = $3;
|
||||
} else {
|
||||
print "SYNTAX ERROR! $lineno : $line\n";
|
||||
print sprintf("SYNTAX ERROR! %-4d %s\n", $lineno, $line);
|
||||
}
|
||||
|
||||
$label = '' unless defined $label;
|
||||
@ -114,6 +178,8 @@ sub parse_line {
|
||||
$mnemonic = '' unless defined $mnemonic;
|
||||
$operand = '' unless defined $operand;
|
||||
|
||||
print "label=$label mnemonic=$mnemonic operand=$operand comment=$comment\n" if $debug;
|
||||
|
||||
return ($label, $mnemonic, $operand, $comment);
|
||||
}
|
||||
|
||||
@ -128,7 +194,7 @@ if (open($ifh, "<$input_file")) {
|
||||
|
||||
$lineno++;
|
||||
|
||||
if ($line =~ /^\s*\*|^\s*;/) {
|
||||
if ($line =~ /^\s*\*|^\s*;/ || $line eq '') {
|
||||
print "$line\n";
|
||||
next;
|
||||
}
|
||||
@ -136,7 +202,7 @@ if (open($ifh, "<$input_file")) {
|
||||
# Parse input lines.
|
||||
my ($label, $mnemonic, $operand, $comment) = parse_line($line, $lineno);
|
||||
|
||||
print sprintf("%-8s %-4s %-12s %s\n", $label, $mnemonic, $operand, $comment);
|
||||
print sprintf("%-12s %-4s %-12s %s\n", $label, $mnemonic, $operand, $comment);
|
||||
}
|
||||
|
||||
close $ifh;
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user