6502/as65
1
0
Fork 0
mirror of https://github.com/softwarejanitor/as65.git synced 2025-02-19 12:31:13 +00:00
Code Issues Projects Releases Wiki Activity

Parsing fix for Absolute

Browse Source
This commit is contained in:
Leeland Heins 2018-12-18 12:44:04 -06:00 committed by GitHub
parent 394479783e
commit 49f47e9717
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 31 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

57
as65.pl
View File

@ -831,7 +831,7 @@ sub handle_16_bit_symbol {
if (defined $symval) {
my $opval1 = 0;
my $opval2 = 0;
if ($symval =~ /\$([0-9a-fA-F][0-9a-fA-F])([0-9a-fA-F][0-9a-fA-F])/) {
if ($symval =~ /\$([0-9a-fA-F]*[0-9a-fA-F])([0-9a-fA-F][0-9a-fA-F])/) {
$opval1 = hex(lc($1));
$opval2 = hex(lc($2));
} else {
@ -1227,7 +1227,7 @@ sub generate_Zero_Page_Y {
# TSB Abs 0C
sub is_Absolute {
my ($operand, $lineno) = @_;
if ($operand =~ /^\$[0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F]$/) {
if ($operand =~ /^\$[0-9a-fA-F]*[0-9a-fA-F][0-9a-fA-F][0-9a-fA-F]$/) {
return 2;
} elsif ($operand =~ /^\d+$/) {
return 2;
@ -1254,10 +1254,11 @@ sub is_Absolute {
sub generate_Absolute {
my ($addr, $operand, $opcode, $ofh, $lineno) = @_;
# Parse hex
if ($operand =~ /^\$([0-9a-fA-F][0-9a-fA-F][0-9A-Fa-f][0-9A-Fa-f]$)/) {
my $opval1 = hex(lc(substr($1, 0, 2)));
my $opval2 = hex(lc(substr($1, 2, 2)));
generate_24($ofh, $addr, $opcode, $opval2, $opval1);
if ($operand =~ /^\$([0-9a-fA-F]*[0-9a-fA-F])([0-9A-Fa-f][0-9A-Fa-f]$)/) {
#my $opval1 = hex(lc(substr($1, 0, 2)));
#my $opval2 = hex(lc(substr($1, 2, 2)));
#generate_24($ofh, $addr, $opcode, $opval2, $opval1);
generate_24($ofh, $addr, $opcode, $2, $1);
# Parse decimal
} elsif ($operand =~ /^(\d+)$/) {
my $opval = sprintf("%04x", $1);
@ -1303,10 +1304,11 @@ sub is_Indirect_Absolute {
sub generate_Indirect_Absolute {
my ($addr, $operand, $opcode, $ofh, $lineno) = @_;
# Parse hex
if ($operand =~ /^\(\$([0-9a-fA-F][0-9a-fA-F][0-9A-Fa-f][0-9A-Fa-f])\)/) {
my $opval1 = hex(lc(substr($1, 0, 2)));
my $opval2 = hex(lc(substr($1, 2, 2)));
generate_24($ofh, $addr, $opcode, $opval2, $opval1);
if ($operand =~ /^\(\$([0-9a-fA-F]*[0-9a-fA-F])([0-9A-Fa-f][0-9A-Fa-f])\)/) {
#my $opval1 = hex(lc(substr($1, 0, 2)));
#my $opval2 = hex(lc(substr($1, 2, 2)));
#generate_24($ofh, $addr, $opcode, $opval2, $opval1);
generate_24($ofh, $addr, $opcode, $2, $1);
# Parse decimal
} elsif ($operand =~ /^\((\d+)\)/) {
my $opval = sprintf("%04x", $1);
@ -1352,10 +1354,11 @@ sub is_Indirect_Absolute_X {
sub generate_Indirect_Absolute_X {
my ($addr, $operand, $opcode, $ofh, $lineno) = @_;
# Parse hex
if ($operand =~ /^\(\$([0-9a-fA-F][0-9a-fA-F][0-9A-Fa-f][0-9A-Fa-f])\),[Xx]/) {
my $opval1 = hex(lc(substr($1, 0, 2)));
my $opval2 = hex(lc(substr($1, 2, 2)));
generate_24($ofh, $addr, $opcode, $opval2, $opval1);
if ($operand =~ /^\(\$([0-9a-fA-F]*[0-9a-fA-F])([0-9A-Fa-f][0-9A-Fa-f])\),[Xx]/) {
#my $opval1 = hex(lc(substr($1, 0, 2)));
#my $opval2 = hex(lc(substr($1, 2, 2)));
#generate_24($ofh, $addr, $opcode, $opval2, $opval1);
generate_24($ofh, $addr, $opcode, $2, $1);
# Parse decimal
} elsif ($operand =~ /^\((\d+)\),[Xx]/) {
my $opval = sprintf("%04x", $1);
@ -1396,7 +1399,7 @@ sub generate_Indirect_Absolute_X {
# STZ Abs,X 9E
sub is_Absolute_X {
my ($operand, $lineno) = @_;
if ($operand =~ /^\$[0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F],[Xx]$/) {
if ($operand =~ /^\$[0-9a-fA-F]*[0-9a-fA-F][0-9a-fA-F][0-9a-fA-F],[Xx]$/) {
return 2;
} elsif ($operand =~ /^(\d{1,3}),[Xx]$/) {
return 0 if $1 > 255;
@ -1423,10 +1426,11 @@ sub is_Absolute_X {
sub generate_Absolute_X {
my ($addr, $operand, $opcode, $ofh, $lineno) = @_;
# Parse hex
if ($operand =~ /^\$([0-9a-fA-F][0-9a-fA-F][0-9A-Fa-f][0-9A-Fa-f]),[Xx]/) {
my $opval1 = hex(lc(substr($1, 0, 2)));
my $opval2 = hex(lc(substr($1, 2, 2)));
generate_24($ofh, $addr, $opcode, $opval2, $opval1);
if ($operand =~ /^\$([0-9a-fA-F]*[0-9a-fA-F])([0-9A-Fa-f][0-9A-Fa-f]),[Xx]/) {
#my $opval1 = hex(lc(substr($1, 0, 2)));
#my $opval2 = hex(lc(substr($1, 2, 2)));
#generate_24($ofh, $addr, $opcode, $opval2, $opval1);
generate_24($ofh, $addr, $opcode, $2, $1);
# Parse decimal
} elsif ($operand =~ /^(\d+),[Xx]/) {
my $opval = sprintf("%04x", $1);
@ -1461,7 +1465,7 @@ sub generate_Absolute_X {
# STA Abs,Y 99
sub is_Absolute_Y {
my ($operand, $lineno) = @_;
if ($operand =~ /^\$[0-9a-fA-F]{4},[Yy]$/) {
if ($operand =~ /^\$[0-9a-fA-F]*[0-9a-fA-F][0-9a-fA-F][0-9a-fA-F],[Yy]$/) {
return 2;
} elsif ($operand =~ /^\d+,[Yy]$/) {
return 2;
@ -1487,10 +1491,11 @@ sub is_Absolute_Y {
sub generate_Absolute_Y {
my ($addr, $operand, $opcode, $ofh, $lineno) = @_;
# Parse hex
if ($operand =~ /^\$([0-9a-fA-F][0-9a-fA-F][0-9A-Fa-f][0-9A-Fa-f]),[Yy]/) {
my $opval1 = hex(lc(substr($1, 0, 2)));
my $opval2 = hex(lc(substr($1, 2, 2)));
generate_24($ofh, $addr, $opcode, $opval2, $opval1);
if ($operand =~ /^\$([0-9a-fA-F]*[0-9a-fA-F])([0-9A-Fa-f][0-9A-Fa-f]),[Yy]/) {
#my $opval1 = hex(lc(substr($1, 0, 2)));
#my $opval2 = hex(lc(substr($1, 2, 2)));
#generate_24($ofh, $addr, $opcode, $opval2, $opval1);
generate_24($ofh, $addr, $opcode, $2, $1);
# Parse decimal
} elsif ($operand =~ /^(\d+),[Yy]/) {
my $opval = sprintf("%04x", $1);
@ -2070,7 +2075,7 @@ if (open($ifh, "<$input_file")) {
$symbol =~ s/:$//;
print "%%%% Saving Symbol $symbol $operand\n" if $verbose;
$symbols{$symbol} = $operand;
} elsif ($ucmnemonic eq 'OBJ') {
} elsif ($ucmnemonic =~ /OBJ|CHK/i) {
# Just ignore this
# Mnemonic Addressing mode Form Opcode Size Timing
} elsif (defined $mnemonics{$ucmnemonic}) {
@ -2150,7 +2155,7 @@ if (open($ifh, "<$input_file")) {
# Skip ORG, EQU and OBJ on pass 2.
next if $ucmnemonic =~ /ORG/i;
next if $ucmnemonic =~ /EQU|\.EQ/i;
next if $ucmnemonic =~ /OBJ/i;
next if $ucmnemonic =~ /OBJ|CHK/i;
if (defined $mnemonics{$ucmnemonic}) {
my $foundit = 0;