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Initial macro implementation

This commit is contained in:
Leeland Heins 2018-12-28 13:18:17 -06:00 committed by GitHub
parent a96df8db2f
commit 2037fe0c11
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 296 additions and 50 deletions
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as65.pl
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@ -20,6 +20,7 @@ my %symbols = (); # Hash of symbol table values.
my %macros = (); # Hash of macros.
my $in_macro = 0;
my $cur_macro = '';
my $base = 0x800; # Default base address. Overide with -a (decimal) or -x (hex) from command line or .org or ORG directives in code.
@ -551,8 +552,8 @@ my %mnemonics = (
'Zero_Page_X' => 0xb4,
# Absolute LDY Abs AC 3 4
'Absolute' => 0xac,
# Absolute,Y LDY Abs,X BC 3 4
'Absolute_Y' => 0xbc,
# Absolute,X LDY Abs,X BC 3 4
'Absolute_X' => 0xbc,
},
'LSR' => {
# LSR Accumulator LSR A 4A 1 2
@ -788,6 +789,8 @@ sub generate_8 {
sub generate_16 {
my ($ofh, $addr, $opcode, $opval, $lineno, $line) = @_;
$opval = 0x00 unless defined $opval;
print sprintf("%04x: %02x %02x %-4d %s\n", $addr, $opcode, $opval, $lineno, $line) if $code_listing;
print $ofh pack("C", $opcode);
print $ofh pack("C", $opval);
@ -800,6 +803,9 @@ sub generate_16 {
sub generate_24 {
my ($ofh, $addr, $opcode, $opval1, $opval2, $lineno, $line) = @_;
$opval1 = 0x00 unless defined $opval1;
$opval2 = 0x00 unless defined $opval2;
print sprintf("%04x: %02x %02x %02x %-4d %s\n", $addr, $opcode, $opval1, $opval2, $lineno, $line) if $code_listing;
print $ofh pack("C", $opcode);
print $ofh pack("C", $opval1);
@ -879,7 +885,7 @@ sub handle_8_bit_symbol {
my $symval = $symbols{$sym};
if (defined $symval) {
my $opval = $symval;
if ($symval =~ /\$[0-9a-fA-F]*([0-9a-fA-F][0-9a-fA-F])$/) {
if ($symval =~ /\$[0-9a-fA-F]{1,2}([0-9a-fA-F][0-9a-fA-F])$/) {
$opval = hex(lc($1));
}
generate_16($ofh, $addr, $opcode, $opval, $lineno, $line);
@ -966,7 +972,7 @@ 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]{0,1}[0-9a-fA-F])([0-9a-fA-F][0-9a-fA-F])$/) {
$opval1 = hex(lc($1));
$opval2 = hex(lc($2));
} else {
@ -1047,6 +1053,9 @@ sub is_Immediate {
# Allow arithmetic on symbol
} elsif ($operand =~ /^#[<>]*([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*)\s*[+-]\s*(\$*[0-9a-fA-F]+)$/) {
return 2;
# For macros
} elsif ($operand =~ /^\](\d+)$/) {
return 2;
#} else {
#print "NOT IMMEDIATE! '$operand'\n";
}
@ -1055,7 +1064,7 @@ sub is_Immediate {
}
sub generate_Immediate {
my ($addr, $operand, $opcode, $ofh, $lineno, $line) = @_;
my ($addr, $operand, $opcode, $ofh, $lineno, $line, $mac1, $mac2) = @_;
# Parse hex
if ($operand =~ /^#\$([0-9a-fA-F]{0,1}[0-9a-fA-F])$/) {
my $opval = hex(lc($1));
@ -1080,6 +1089,13 @@ sub generate_Immediate {
} elsif ($operand =~ /^#([<>]*)([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*)\s*[-]\s*(\$*[0-9a-fA-F]+)$/) {
# Subtract
handle_8_bit_symbol_sub($ofh, $lineno, $addr, $opcode, $1, $2, $3, $line);
# For macros
} elsif ($operand =~ /^\](\d+)$/) {
my $val = $mac1;
if ($1 == 2) {
$val = $mac2;
}
generate_16($ofh, $addr, $opcode, $val, $lineno, $line);
} else {
print ">>>> $lineno - Immediate Bad Operand : '$operand' in '$line'\n";
}
@ -1153,13 +1169,18 @@ sub is_Zero_Page {
return 0;
}
return 2;
# For macros
} elsif ($operand =~ /^\](\d+)$/) {
return 2;
} elsif ($operand =~ /^\](\d+)$/) {
return 2;
}
return 0;
}
sub generate_Zero_Page {
my ($addr, $operand, $opcode, $ofh, $lineno, $line) = @_;
my ($addr, $operand, $opcode, $ofh, $lineno, $line, $mac1, $mac2) = @_;
# Parse hex
if ($operand =~ /^\$([0-9a-fA-F]{0,1}[0-9a-fA-F])/) {
my $opval = hex(lc($1));
@ -1181,6 +1202,13 @@ sub generate_Zero_Page {
} elsif ($operand =~ /^([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*)\s*[-]\s*(\$*[0-9a-fA-F]+)$/) {
# Subtract
handle_8_bit_symbol_sub($ofh, $lineno, $addr, $opcode, undef, $1, $2, $line);
# For macros
} elsif ($operand =~ /^\](\d+)$/) {
my $val = $mac1;
if ($1 == 2) {
$val = $mac2;
}
generate_16($ofh, $addr, $opcode, $val, $lineno, $line);
} else {
print ">>>> $lineno - Zero_Page Bad Operand : '$operand' in '$line'\n";
}
@ -1245,13 +1273,16 @@ sub is_Zero_Page_X {
return 0;
}
return 2;
# For macros
} elsif ($operand =~ /^\](\d+),[Xx]$/) {
return 2;
}
return 0;
}
sub generate_Zero_Page_X {
my ($addr, $operand, $opcode, $ofh, $lineno, $line) = @_;
my ($addr, $operand, $opcode, $ofh, $lineno, $line, $mac1, $mac2) = @_;
# Parse hex
if ($operand =~ /^\$([0-9a-fA-F]{0,1}[0-9a-fA-F]),[Xx]$/) {
my $opval = hex(lc($1));
@ -1273,6 +1304,13 @@ sub generate_Zero_Page_X {
} elsif ($operand =~ /^([A-Za-z\.\?:][0-9a-zA-Z_\.\?:]*)\s*[-]\s*(\$*[0-9a-fA-F]+),[Xx]$/) {
# Subtract
handle_8_bit_symbol_sub($ofh, $lineno, $addr, $opcode, undef, $1, $2, $line);
# For macros
} elsif ($operand =~ /^\](\d+),[Xx]$/) {
my $val = $mac1;
if ($1 == 2) {
$val = $mac2;
}
generate_16($ofh, $addr, $opcode, $val, $lineno, $line);
} else {
print ">>>> $lineno - Zero_Page_X Bad Operand : '$operand' in '$line'\n";
}
@ -1322,13 +1360,16 @@ sub is_Zero_Page_Y {
return 0;
}
return 2;
# For macros
} elsif ($operand =~ /^\](\d+),[Yy]$/) {
return 2;
}
return 0;
}
sub generate_Zero_Page_Y {
my ($addr, $operand, $opcode, $ofh, $lineno, $line) = @_;
my ($addr, $operand, $opcode, $ofh, $lineno, $line, $mac1, $mac2) = @_;
# Parse hex
if ($operand =~ /^\$([0-9a-fA-F]{0,1}[0-9a-fA-F]),[Yy]$/) {
my $opval = hex(lc($1));
@ -1350,6 +1391,13 @@ sub generate_Zero_Page_Y {
} elsif ($operand =~ /^([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*)\s*[-]\s*(\$*[0-9a-fA-F]+),[Yy]$/) {
# Subtract
handle_8_bit_symbol_sub($ofh, $lineno, $addr, $opcode, undef, $1, $2, $line);
# For macros
} elsif ($operand =~ /^\](\d+),[Yy]$/) {
my $val = $mac1;
if ($1 == 2) {
$val = $mac2;
}
generate_16($ofh, $addr, $opcode, $val, $lineno, $line);
} else {
print ">>>> $lineno - Zero_Page_Y Bad Operand : '$operand' in '$line'\n";
}
@ -1408,22 +1456,25 @@ sub is_Absolute {
return 0 if $symval =~ /^\$[0-9a-fA-F][0-9a-fA-F]$|^%[01]{8}$/;
}
return 2;
# For macros
} elsif ($operand =~ /^\](\d+)$/) {
return 2;
}
return 0;
}
sub generate_Absolute {
my ($addr, $operand, $opcode, $ofh, $lineno, $line) = @_;
my ($addr, $operand, $opcode, $ofh, $lineno, $line, $mac1, $mac2) = @_;
# Parse hex
if ($operand =~ /^\$([0-9a-fA-F]{0,1}[0-9a-fA-F])([0-9A-Fa-f][0-9A-Fa-f])$/) {
my $opval1 = hex(lc($1));
my $opval2 = hex(lc($2));
generate_24($ofh, $addr, $opcode, $opval2, $opval1, $lineno, $line);
# Parse binary
} elsif ($operand =~ /^%([01]{16})$/) {
my $opval1 = unpack('C', pack("B8", substr($1, 0, 8)));
my $opval2 = unpack('C', pack("B8", substr($1, 8, 8)));
} elsif ($operand =~ /^%([01]{8})([0-1]{8})$/) {
my $opval1 = unpack('C', pack("B8", $1));
my $opval2 = unpack('C', pack("B8", $2));
generate_24($ofh, $addr, $opcode, $opval2, $opval1, $lineno, $line);
# Parse decimal
} elsif ($operand =~ /^(\d+)$/) {
@ -1441,6 +1492,9 @@ sub generate_Absolute {
} elsif ($operand =~ /^([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*)\s*[-]\s*(\$*[0-9a-fA-F]+)$/) {
# Subtract
handle_16_bit_symbol_sub($ofh, $lineno, $addr, $opcode, $1, $2, $line);
# For macros
} elsif ($operand =~ /^\](\d+)$/) {
generate_24($ofh, $addr, $opcode, $mac2, $mac1, $lineno, $line);
} else {
print ">>>> $lineno - Absolute Bad Operand '$operand' in '$line'\n";
}
@ -1465,22 +1519,26 @@ sub is_Indirect_Absolute {
# Allow symbol arithmetic
} elsif ($operand =~ /^\([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*\s*[+-]\s*\$*[0-9a-fA-F]+\)/) {
return 2;
# For macros
} elsif ($operand =~ /^\(\](\d+)\)$/) {
return 2;
}
return 0;
}
sub generate_Indirect_Absolute {
my ($addr, $operand, $opcode, $ofh, $lineno, $line) = @_;
my ($addr, $operand, $opcode, $ofh, $lineno, $line, $mac1, $mac2) = @_;
# Parse hex
if ($operand =~ /^\(\$([0-9a-fA-F]{0,1}[0-9a-fA-F])([0-9A-Fa-f][0-9A-Fa-f])\)/) {
my $opval1 = hex(lc($1));
my $opval2 = hex(lc($2));
generate_24($ofh, $addr, $opcode, $opval2, $opval1, $lineno, $line);
# Parse binary
} elsif ($operand =~ /^\(%([01]{16})\)$/) {
my $opval = unpack('C', pack("B16", $1));
generate_24($ofh, $addr, $opcode, $opval, $lineno, $line);
} elsif ($operand =~ /^\(%([01]{8})([01]{8})\)$/) {
my $opval1 = unpack('C', pack("B8", $1));
my $opval2 = unpack('C', pack("B8", $2));
generate_24($ofh, $addr, $opcode, $opval2, $opval1, $lineno, $line);
# Parse decimal
} elsif ($operand =~ /^\((\d+)\)/) {
my $opval = sprintf("%04x", $1);
@ -1497,6 +1555,9 @@ sub generate_Indirect_Absolute {
} elsif ($operand =~ /^\(([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*)\s*[-]\s*(\$*[0-9a-fA-F]+)\)/) {
# Subtract
handle_16_bit_symbol_sub($ofh, $lineno, $addr, $opcode, $1, $2, $line);
# For macros
} elsif ($operand =~ /^\(\](\d+)\)$/) {
generate_24($ofh, $addr, $opcode, $mac2, $mac1, $lineno, $line);
} else {
print ">>>> $lineno - Indirect_Absolute Bad Operand '$operand' in '$line'\n";
}
@ -1521,22 +1582,26 @@ sub is_Indirect_Absolute_X {
# Allow symbol arithmetic
} elsif ($operand =~ /^\([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*\s*[+-]\s*\$*[0-9a-fA-F]+,[Xx]\)/) {
return 2;
# For macros
} elsif ($operand =~ /^\(\](\d+),[Xx]\)$/) {
return 2;
}
return 0;
}
sub generate_Indirect_Absolute_X {
my ($addr, $operand, $opcode, $ofh, $lineno, $line) = @_;
my ($addr, $operand, $opcode, $ofh, $lineno, $line, $mac1, $mac2) = @_;
# Parse hex
if ($operand =~ /^\(\$([0-9a-fA-F]{0,1}[0-9a-fA-F])([0-9A-Fa-f][0-9A-Fa-f]),[Xx]\)/) {
my $opval1 = hex(lc($1));
my $opval2 = hex(lc($2));
generate_24($ofh, $addr, $opcode, $opval2, $opval1, $lineno, $line);
# Parse binary
} elsif ($operand =~ /^\(%([01]{16}),[Xx]\)$/) {
my $opval = unpack('C', pack("B16", $1));
generate_24($ofh, $addr, $opcode, $opval, $lineno, $line);
} elsif ($operand =~ /^\(%([01]{8})([01]{8}),[Xx]\)$/) {
my $opval1 = unpack('C', pack("B8", $1));
my $opval2 = unpack('C', pack("B8", $2));
generate_24($ofh, $addr, $opcode, $opval2, $opval1, $lineno, $line);
# Parse decimal
} elsif ($operand =~ /^\((\d+),[Xx]\)/) {
my $opval = sprintf("%04x", $1);
@ -1553,6 +1618,9 @@ sub generate_Indirect_Absolute_X {
} elsif ($operand =~ /^\(([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*)\s*[-]\s*(\$*[0-9a-fA-F]+),[Xx]\)$/) {
# Subtract
handle_16_bit_symbol_sub($ofh, $lineno, $addr, $opcode, $1, $2, $line);
# For macros
} elsif ($operand =~ /^\(\](\d+),[Xx]\)$/) {
generate_24($ofh, $addr, $opcode, $mac2, $mac1, $lineno, $line);
} else {
print ">>>> $lineno - Indirect_Absolute_X Bad Operand '$operand' in '$line'\n";
}
@ -1601,22 +1669,26 @@ sub is_Absolute_X {
return 0 if $symval =~ /^\$[0-9a-fA-F][0-9a-fA-F]$|^%[01]{8}$/;
}
return 2;
# For macros
} elsif ($operand =~ /^\](\d+),[Xx]$/) {
return 2;
}
return 0;
}
sub generate_Absolute_X {
my ($addr, $operand, $opcode, $ofh, $lineno, $line) = @_;
my ($addr, $operand, $opcode, $ofh, $lineno, $line, $mac1, $mac2) = @_;
# Parse hex
if ($operand =~ /^\$([0-9a-fA-F]{0,1}[0-9a-fA-F])([0-9A-Fa-f][0-9A-Fa-f]),[Xx]/) {
my $opval1 = hex(lc($1));
my $opval2 = hex(lc($2));
generate_24($ofh, $addr, $opcode, $opval2, $opval1, $lineno, $line);
# Parse binary
} elsif ($operand =~ /^%([01]{16}),[Xx]$/) {
my $opval = unpack('C', pack("B16", $1));
generate_24($ofh, $addr, $opcode, $opval, $lineno, $line);
} elsif ($operand =~ /^%([01]{8})([01]{8}),[Xx]$/) {
my $opval1 = unpack('C', pack("B8", $1));
my $opval2 = unpack('C', pack("B8", $2));
generate_24($ofh, $addr, $opcode, $opval2, $opval1, $lineno, $line);
# Parse decimal
} elsif ($operand =~ /^(\d+),[Xx]/) {
my $opval = sprintf("%04x", $1);
@ -1633,6 +1705,9 @@ sub generate_Absolute_X {
} elsif ($operand =~ /^([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*)\s*[-]\s*(\$*[0-9a-fA-F]+),[Xx]$/) {
# Subtract
handle_16_bit_symbol_sub($ofh, $lineno, $addr, $opcode, $1, $2, $line);
# For macros
} elsif ($operand =~ /^\](\d+),[Xx]$/) {
generate_24($ofh, $addr, $opcode, $mac2, $mac1, $lineno, $line);
} else {
print ">>>> $lineno - Indirect_Absolute_X Bad Operand '$operand' in '$line'\n";
}
@ -1674,22 +1749,26 @@ sub is_Absolute_Y {
return 0 if $symval =~ /^\$[0-9a-fA-F][0-9a-fA-F]$|^%[01]{8}$/;
}
return 2;
# For macros
} elsif ($operand =~ /^\(\](\d+),[Yy]\)$/) {
return 2;
}
return 0;
}
sub generate_Absolute_Y {
my ($addr, $operand, $opcode, $ofh, $lineno, $line) = @_;
my ($addr, $operand, $opcode, $ofh, $lineno, $line, $mac1, $mac2) = @_;
# Parse hex
if ($operand =~ /^\$([0-9a-fA-F]{0,1}[0-9a-fA-F])([0-9A-Fa-f][0-9A-Fa-f]),[Yy]/) {
my $opval1 = hex(lc($1));
my $opval2 = hex(lc($2));
generate_24($ofh, $addr, $opcode, $opval2, $opval1, $lineno, $line);
# Parse binary
} elsif ($operand =~ /^%([01]{16}),[Yy]$/) {
my $opval = unpack('C', pack("B16", $1));
generate_24($ofh, $addr, $opcode, $opval, $lineno, $line);
} elsif ($operand =~ /^%([01]{8})([01]{8}),[Yy]$/) {
my $opval1 = unpack('C', pack("B8", $1));
my $opval2 = unpack('C', pack("B8", $2));
generate_24($ofh, $addr, $opcode, $opval2, $opval1, $lineno, $line);
# Parse decimal
} elsif ($operand =~ /^(\d+),[Yy]/) {
my $opval = sprintf("%04x", $1);
@ -1706,6 +1785,9 @@ sub generate_Absolute_Y {
} elsif ($operand =~ /^([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*)\s*[-]\s*(\$*[0-9a-fA-F]+),[Yy]$/) {
# Subtract
handle_16_bit_symbol_sub($ofh, $lineno, $addr, $opcode, $1, $2, $line);
# For macros
} elsif ($operand =~ /^\(\](\d+),[Yy]\)$/) {
generate_24($ofh, $addr, $opcode, $mac2, $mac1, $lineno, $line);
} else {
print ">>>> $lineno - Absolute_Y Bad Operand '$operand' in '$line'\n";
}
@ -1760,13 +1842,16 @@ sub is_Indirect_Zero_Page_X {
return 0;
}
return 2;
# For macros
} elsif ($operand =~ /^\(\](\d+),[Xx]\)$/) {
return 2;
}
return 0;
}
sub generate_Indirect_Zero_Page_X {
my ($addr, $operand, $opcode, $ofh, $lineno, $line) = @_;
my ($addr, $operand, $opcode, $ofh, $lineno, $line, $mac1, $mac2) = @_;
# Parse hex
if ($operand =~ /^\(\$([0-9a-fA-f]{0,1}[0-9a-fA-f]),[Xx]\)$/) {
my $opval = hex(lc($1));
@ -1788,6 +1873,13 @@ sub generate_Indirect_Zero_Page_X {
} elsif ($operand =~ /^\(([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*)\s*[-]\s*(\$*[0-9a-fA-F]+),[Xx]\)$/) {
# Subtract
handle_8_bit_symbol_sub($ofh, $lineno, $addr, $opcode, undef, $1, $2, $line);
# For macros
} elsif ($operand =~ /^\(\](\d+),[Xx]\)$/) {
my $val = $mac1;
if ($1 == 2) {
$val = $mac2;
}
generate_16($ofh, $addr, $opcode, $val, $lineno, $line);
} else {
print ">>>> $lineno - Indirect_Zero_Page_X Bad Operand : '$operand' in '$line'\n";
}
@ -1820,13 +1912,16 @@ sub is_Indirect_Zero_Page_Y {
} elsif ($operand =~ /^\(([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*)\s*[+-]\s*(\$*[0-9a-fA-F]+)\),[Yy]/) {
# Not Indirect Zero Page,Y if the symbol is not 8 bits.
return 2;
# For macros
} elsif ($operand =~ /^\(\](\d+)\),[Yy]$/) {
return 2;
}
return 0;
}
sub generate_Indirect_Zero_Page_Y {
my ($addr, $operand, $opcode, $ofh, $lineno, $line) = @_;
my ($addr, $operand, $opcode, $ofh, $lineno, $line, $mac1, $mac2) = @_;
# Parse hex
if ($operand =~ /^\(\$([0-9a-fA-F]{0,1}[0-9a-fA-F])\),[Yy]$/) {
my $opval = hex(lc($1));
@ -1848,6 +1943,13 @@ sub generate_Indirect_Zero_Page_Y {
} elsif ($operand =~ /^\(([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*)\s*[-]\s*(\$*[0-9a-fA-F]+)\),[Yy]$/) {
# Subtract
handle_8_bit_symbol_sub($ofh, $lineno, $addr, $opcode, undef, $1, $2, $line);
# For macros
} elsif ($operand =~ /^\(\](\d+)\),[Yy]$/) {
my $val = $mac1;
if ($1 == 2) {
$val = $mac2;
}
generate_16($ofh, $addr, $opcode, $val, $lineno, $line);
} else {
print ">>>> $lineno - Indirect_Zero_Page_Y Bad Operand : '$operand' in '$line'\n";
}
@ -1902,13 +2004,16 @@ sub is_Indirect_Zero_Page {
return 0;
}
return 2;
# For macros
} elsif ($operand =~ /^\(\](\d+)\)$/) {
return 2;
}
return 0;
}
sub generate_Indirect_Zero_Page {
my ($addr, $operand, $opcode, $ofh, $lineno, $line) = @_;
my ($addr, $operand, $opcode, $ofh, $lineno, $line, $mac1, $mac2) = @_;
# Parse hex
if ($operand =~ /^\(\$([0-9a-fA-F]{0,1}[0-9a-fA-F])\)$/) {
my $opval = hex(lc($1));
@ -1930,6 +2035,13 @@ sub generate_Indirect_Zero_Page {
} elsif ($operand =~ /^\(([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*)\s*[-]\s*(\$*[0-9a-fA-F]+)\)$/) {
# Subtract
handle_8_bit_symbol_sub($ofh, $lineno, $addr, $opcode, undef, $1, $2, $line);
# For macros
} elsif ($operand =~ /^\(\](\d+)\)$/) {
my $val = $mac1;
if ($1 == 2) {
$val = $mac2;
}
generate_16($ofh, $addr, $opcode, $val, $lineno, $line);
} else {
print ">>>> $lineno - Indirect_Zero_Page Bad Operand '$operand' in '$line'\n";
}
@ -2145,7 +2257,7 @@ sub parse_line {
my ($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;
@ -2155,7 +2267,7 @@ 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;
@ -2169,7 +2281,7 @@ sub parse_line {
$comment = $operand;
$operand = '';
}
} elsif ($line =~ /^\s+(\S+)\s+(;.*)$/) {
} elsif ($line =~ /^\s+(\S+)\s*(;.*)$/) {
$label = '';
$mnemonic = $1;
$operand = '';
@ -2189,27 +2301,27 @@ 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+(;.*)$/) {
} elsif ($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+(;.*)$|^(\S+)\s+([Ss][Tt][Rr])\s+(".+"[0-9a-fA-F]*)\s+(;.*)$/) {
} 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+(".+"[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+(;.*)$|^\s+([Ss][Tt][Rr])\s+(".+"[0-9a-fA-F]*)\s+(;.*)$/) {
} 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;
@ -2225,7 +2337,7 @@ sub parse_line {
$operand = $2;
$comment = '';
# Next 4 for things like LDA #" "
} elsif ($line =~ /^\s+(\S+)\s+(#\".\")\s+(;.*)$/) {
} elsif ($line =~ /^\s+(\S+)\s+(#\".\")\s*(;.*)$/) {
$label = '';
$mnemonic = $1;
$operand = $2;
@ -2235,7 +2347,7 @@ sub parse_line {
$mnemonic = $1;
$operand = $2;
$comment = '';
} elsif ($line =~ /^(\S+)\s+(\S+)\s+(#\".\")\s+(;.*)$/) {
} elsif ($line =~ /^(\S+)\s+(\S+)\s+(#\".\")\s*(;.*)$/) {
$label = $1;
$mnemonic = $2;
$operand = $3;
@ -2246,7 +2358,7 @@ sub parse_line {
$operand = $3;
$comment = '';
# Next 4 for things like DS 255," "
} elsif ($line =~ /^\s+([Dd][Ss])\s+(\d+,\".\")\s+(;.*)$/) {
} elsif ($line =~ /^\s+([Dd][Ss])\s+(\d+,\".\")\s*(;.*)$/) {
$label = '';
$mnemonic = $1;
$operand = $2;
@ -2256,7 +2368,7 @@ sub parse_line {
$mnemonic = $1;
$operand = $2;
$comment = '';
} elsif ($line =~ /^(\S+)\s+([Dd][Ss])\s+(\d+,\".\")\s+(;.*)$/) {
} elsif ($line =~ /^(\S+)\s+([Dd][Ss])\s+(\d+,\".\")\s*(;.*)$/) {
$label = $1;
$mnemonic = $2;
$operand = $3;
@ -2344,6 +2456,13 @@ if (open($ifh, "<$input_file")) {
my $ucmnemonic = uc($mnemonic);
if ($in_macro) {
if ($ucmnemonic ne '<<<') {
print "%%%% Saving $line to macro $cur_macro\n";
push @{$macros{$cur_macro}}, $line;
}
}
# We only need to look for ORG and EQU on pass 1.
if ($ucmnemonic eq 'ORG') {
# Set base
@ -2471,12 +2590,14 @@ if (open($ifh, "<$input_file")) {
} elsif ($ucmnemonic =~ /OBJ|CHK|LST|END|SAV/) {
# Just ignore this
} elsif ($ucmnemonic =~ /MAC/) {
print "**** MACRO START **** '$line'\n";
$macros{$label} = '';
print "**** MACRO START **** '$line'\n" if $debug;
$macros{$label} = ();
$in_macro = 1;
$cur_macro = $label;
} elsif ($ucmnemonic =~ /\<\<\</) {
print "**** MACRO END **** '$line'\n";
print "**** MACRO END **** '$line'\n" if $debug;
$in_macro = 0;
$cur_macro = '';
# Mnemonic Addressing mode Form Opcode Size Timing
} elsif (defined $mnemonics{$ucmnemonic}) {
my $foundit = 0;
@ -2492,7 +2613,28 @@ if (open($ifh, "<$input_file")) {
print "!!!! $lineno - Unrecognized addressing mode '$line'!\n";
}
} elsif (defined $macros{$ucmnemonic}) {
print "#### MACRO $ucmnemonic ####\n";
print "#### MACRO $ucmnemonic ####\n" if $debug;
# Add length for the macro.
my $maclnno = 0;
foreach my $macln (@{$macros{$ucmnemonic}}) {
$maclnno++;
my ($maclabel, $macmnemonic, $macoperand, $maccomment) = parse_line($macln, $maclnno);
my $ucmacmnemonic = uc($macmnemonic);
my $foundit = 0;
foreach my $opmode (keys $mnemonics{$ucmacmnemonic}) {
my $checkfunc = $modefuncs{$opmode}{'check'};
if ($checkfunc->($macoperand, $maclnno)) {
$addr += $modefuncs{$opmode}{'size'};
$foundit = 1;
last;
}
}
if (! $foundit) {
print "!!!! $maclnno - Unrecognized addressing mode in macro '$macln'!\n";
}
}
} else {
print "$lineno - Unknown mnemonic '$mnemonic' in '$line'\n";
}
@ -2504,7 +2646,7 @@ if (open($ifh, "<$input_file")) {
print "---- Symbol table ----\n\n";
foreach my $ky (keys %symbols) {
print sprintf("%-10s : %s\n", $ky, $symbols{$ky});
print sprintf("%-13s : %s\n", $ky, $symbols{$ky});
}
print "\n";
@ -2706,9 +2848,113 @@ if (open($ifh, "<$input_file")) {
} elsif ($ucmnemonic eq 'CHK') {
generate_8($ofh, $addr, $checksum, $lineno, $line);
} elsif (defined $macros{$ucmnemonic}) {
print "#### MACRO $ucmnemonic ####\n";
#print "#### MACRO $ucmnemonic ####\n" if $debug;
print sprintf(" %-4d %s\n", $lineno, $line) if $code_listing;
print "**** Not yet implemented ****\n";
#print "operand=$operand\n";
my $opval1 = '';
my $opval2 = '';
# Parse hex
if ($operand =~ /^\$([0-9a-fA-F]{0,1}[0-9a-fA-F])([0-9A-Fa-f][0-9A-Fa-f])$/) {
$opval1 = hex(lc($1));
$opval2 = hex(lc($2));
# Parse binary
} elsif ($operand =~ /^%([01]{8})([0-1]{8})$/) {
$opval1 = unpack('C', pack("B8", $1));
$opval2 = unpack('C', pack("B8", $2));
# Parse decimal
} elsif ($operand =~ /^(\d+)$/) {
my $opval = sprintf("%04x", $1);
$opval1 = hex(lc(substr($opval, 0, 2)));
$opval2 = hex(lc(substr($opval, 2, 2)));
# Return symbol value
} elsif ($operand =~ /^([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*)$/) {
#print "symbol=$1\n";
my $symval = $symbols{$1};
#print "symval='$symval'\n";
if ($symval =~ /^\$([0-9a-fA-F]{0,1}[0-9a-fA-F])([0-9a-fA-F][0-9a-fA-F])$/) {
$opval1 = hex(lc($1));
$opval2 = hex(lc($2));
} elsif ($symval =~ /^\$([0-9a-fA-F][0-9a-fA-F])$/) {
$opval1 = hex(lc($1));
$opval2 = 0x00;
} else {
$symval =~ s/^\$//;
#print "symval='$symval'\n";
my $opval = sprintf("%04x", $symval);
$opval1 = hex(lc(substr($opval, 0, 2)));
$opval2 = hex(lc(substr($opval, 2, 2)));
}
# Allow arithmetic on symbol
} elsif ($operand =~ /^([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*)\s*[+]\s*(\$*[0-9a-fA-F]+)$/) {
# Add
#handle_16_bit_symbol_add($ofh, $lineno, $addr, $opcode, $1, $2, $line);
#print "symbol=$1 add=$2\n";
my $symval = $symbols{$1};
#print "symval='$symval'\n";
if ($symval =~ /^\$([0-9a-fA-F]{0,1}[0-9a-fA-F])([0-9a-fA-F][0-9a-fA-F])$/) {
$opval1 = hex(lc($1));
$opval2 = hex(lc($2));
} elsif ($symval =~ /^\$([0-9a-fA-F][0-9a-fA-F])$/) {
$opval1 = hex(lc($1));
$opval2 = 0x00;
} else {
$symval =~ s/^\$//;
#print "symval='$symval'\n";
my $opval = sprintf("%04x", $symval);
$opval1 = hex(lc(substr($opval, 0, 2)));
$opval2 = hex(lc(substr($opval, 2, 2)));
}
##FIXME -- need to do add here
} elsif ($operand =~ /^([A-Za-z\.\?:][A-Za-z0-9_\.\?:]*)\s*[-]\s*(\$*[0-9a-fA-F]+)$/) {
# Subtract
#handle_16_bit_symbol_sub($ofh, $lineno, $addr, $opcode, $1, $2, $line);
#print "symbol=$1 sub=$2\n";
my $symval = $symbols{$1};
#print "symval='$symval'\n";
if ($symval =~ /^\$([0-9a-fA-F]{0,1}[0-9a-fA-F])([0-9a-fA-F][0-9a-fA-F])$/) {
$opval1 = hex(lc($1));
$opval2 = hex(lc($2));
} elsif ($symval =~ /^\$([0-9a-fA-F][0-9a-fA-F])$/) {
$opval1 = hex(lc($1));
$opval2 = 0x00;
} else {
$symval =~ s/^\$//;
#print "symval='$symval'\n";
my $opval = sprintf("%04x", $symval);
$opval1 = hex(lc(substr($opval, 0, 2)));
$opval2 = hex(lc(substr($opval, 2, 2)));
}
##FIXME -- need to do sub here
#} else {
# print ">>>> $lineno - Macro Bad Operand '$operand' in '$line'\n";
}
my $maclnno = 0;
foreach my $macln (@{$macros{$ucmnemonic}}) {
$maclnno++;
my ($maclabel, $macmnemonic, $macoperand, $maccomment) = parse_line($macln, $maclnno);
#print sprintf(" %-4d %s\n", $maclnno, $macln) if $code_listing;
my $ucmacmnemonic = uc($macmnemonic);
if (defined $mnemonics{$ucmacmnemonic}) {
my $foundit = 0;
foreach my $opmode (keys $mnemonics{$ucmacmnemonic}) {
my $checkfunc = $modefuncs{$opmode}{'check'};
my $genfunc = $modefuncs{$opmode}{'gen'};
if ($checkfunc->($macoperand, $maclnno)) {
$genfunc->($addr, $macoperand, $mnemonics{$ucmacmnemonic}{$opmode}, $ofh, $maclnno, $macln, $opval1, $opval2);
$foundit = 1;
last;
}
}
if (! $foundit) {
print "!!!! $maclnno - Unrecognized addressing mode '$macln'!\n";
}
} else {
print "$maclnno - Unknown mnemonic '$mnemonic' in macro '$macln'\n";
}
}
} else {
print "$lineno - Unknown mnemonic '$mnemonic' in '$line'\n";
}