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Fixed bug in EQU processing

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Leeland Heins 2018-12-18 06:59:13 -06:00 committed by GitHub
parent 0deb732a07
commit da8af1f3ea
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 28 additions and 18 deletions
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as65.pl
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@ -14,7 +14,7 @@ my $verbose = 1; # Print messages, default to on.
my $debug = 0; # Debug mode, default to off. Very chatty if on.
my $listing1 = 0; # Listing for pass 1.
my $listing2 = 0; # Listing for pass 2.
my $code_listing = 0; # Generated code listing.
my $code_listing = 1; # Generated code listing.
my $symbol_table = 1; # Output symbol table.
my %symbols = (); # Hash of symbol table values.
@ -26,17 +26,17 @@ my $output_file = ''; # Output file, required to be set with -o command line fl
sub usage {
print "Usage:\n";
print "$0 [-a addr] [-x \$addr] [-v] [-q] [-d] [-s] [-l] [-l1] [-l2] [-c] [-h] <input_file>\n";
print " -a addr : Start address in decimal\n";
print " -x \$addr : Start address in hex\n";
print " -a addr : Start address in decimal (default 2048)\n";
print " -x \$addr : Start address in hex (default $800)\n";
print " -o <output file> : Output file name (required).\n";
print " -v : Verbose\n";
print " -q : Quiet\n";
print " -d : Debug\n";
print " -v : Verbose (default on)\n";
print " -q : Quiet (default off)\n";
print " -d : Debug (default off)\n";
print " -s : Symbol Table\n";
print " -l : Listing (both passes)\n";
print " -l1 : Listing (Pass 1)\n";
print " -l2 : Listing (Pass 2)\n";
print " -c : Generated code listing\n";
print " -l : Listing (both passes) (default off)\n";
print " -l1 : Listing (Pass 1) (default off)\n";
print " -l2 : Listing (Pass 2) (default off)\n";
print " -c : Generated code listing (default on)\n";
print " -h : This help\n";
}
@ -88,7 +88,7 @@ while (defined $ARGV[0] && $ARGV[0] =~ /^-/) {
shift;
# Code listing.
} elsif ($ARGV[0] eq '-c') {
$code_listing = 1;
$code_listing = 0;
shift;
# Help.
} elsif ($ARGV[0] eq '-h') {
@ -1988,7 +1988,7 @@ if (open($ifh, "<$input_file")) {
print "**** Starting 1st pass ****\n" if $verbose;
print "\n\n" if $verbose;
print "\n" if $verbose;
# Pass 1, build symbol table.
while (my $line = readline $ifh) {
@ -2030,7 +2030,7 @@ if (open($ifh, "<$input_file")) {
my $rv;
# Look for symbols.
if (defined $label && $label ne '' && $label ne ';') {
if (defined $label && $label ne '' && $label ne ';' && $mnemonic !~ /EQU|\.EQ/i) {
my $symbol = $label;
$symbol =~ s/:$//;
print sprintf("%%%%%%%% Saving symbol $label %s \$%04x\n", $addr, $addr) if $verbose;
@ -2048,9 +2048,19 @@ if (open($ifh, "<$input_file")) {
$operand =~ s/^\$//;
$base = hex(lc($operand));
$addr = $base;
} elsif ($ucmnemonic =~ /EQU|\.EQ/) {
print "%%%% Setting base to $base\n" if $verbose;
} elsif ($ucmnemonic =~ /EQU|\.EQ/i) {
# define constant
print "%%%% Saving Symbol $label = $operand\n";
my $symbol = $label;
$symbol =~ s/:$//;
print "%%%% Saving Symbol $symbol $operand\n" if $verbose;
if ($operand =~ /^\$([0-8a-fA-F]+)$/) {
$symbols{$symbol} = sprintf("\$%04x", hex(lc($1)));
} elsif ($operand =~ /^\$(\d+)$/) {
$symbols{$symbol} = sprintf("%d", $1);
} else {
$symbols{$symbol} = $operand;
}
# Mnemonic Addressing mode Form Opcode Size Timing
} elsif (defined $mnemonics{$ucmnemonic}) {
my $foundit = 0;
@ -2070,7 +2080,7 @@ if (open($ifh, "<$input_file")) {
}
}
print "\n\n" if $verbose;
print "\n" if $verbose;
if ($symbol_table) {
print "---- Symbol table ----\n";
@ -2079,12 +2089,12 @@ if (open($ifh, "<$input_file")) {
print "$ky : $symbols{$ky}\n";
}
print "\n\n";
print "\n";
}
print "**** Starting 2nd pass ****\n" if $verbose;
print "\n\n" if $verbose;
print "\n" if $verbose;
# Rewind to the beginning of the input file.
seek($ifh, 0, 0);