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Fixed bug in symbol arithmetic

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Leeland Heins 2018-12-18 09:40:45 -06:00 committed by GitHub
parent 1ef8c4a0db
commit ffe9a441e0
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 22 additions and 21 deletions
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as65.pl
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@ -374,7 +374,7 @@ my %mnemonics = (
'Immediate' => 0xc9,
# Zero Page CMP Zpg C5 2 3
'Zero_Page' => 0xc5,
# Zero Page,X CMP Zpg D5 2 4
# Zero Page,X CMP Zpg,X D5 2 4
'Zero_Page_X' => 0xd5,
# Absolute CMP Abs CD 3 4
'Absolute' => 0xcd,
@ -762,7 +762,7 @@ sub sym_add {
my ($symval, $offset) = @_;
if ($symval =~ /\$([0-9a-fA-F]+)/) {
return hex(lc($1 + $offset));
return hex(lc($1)) + $offset;
}
return $symval + $offset;
}
@ -771,7 +771,7 @@ sub sym_sub {
my ($symval, $offset) = @_;
if ($symval =~ /\$([0-9a-fA-F]+])/) {
return hex(lc($1 + $offset));
return hex(lc($1)) + $offset;
}
return $symval - $offset;
}
@ -906,7 +906,7 @@ sub is_Immediate {
return 0;
}
return 2;
# Allow arithmatic on symbol
# Allow arithmetic on symbol
} elsif ($operand =~ /^#([A-Za-z\.][A-Za-z0-9_\.]+)\s*[+-]\s*(\d+)$/) {
my $symval = $symbols{$1};
if (defined $symval) {
@ -937,7 +937,7 @@ sub generate_Immediate {
# Return symbol value
} elsif ($operand =~ /^#([A-Za-z\.][A-Za-z0-9_\.]+)/) {
handle_8_bit_symbol($ofh, $lineno, $addr, $opcode, $1);
# Allow arithmatic on symbol
# Allow arithmetic on symbol
} elsif ($operand =~ /^#([A-Za-z\.][A-Za-z0-9_\.]+)\s*[+]\s*(\d+)$/) {
# Add
handle_8_bit_symbol_add($ofh, $lineno, $addr, $opcode, $1, $2);
@ -994,7 +994,7 @@ sub is_Zero_Page {
return 0;
}
return 2;
# Allow symbol arithmatic
# Allow symbol arithmetic
} elsif ($operand =~ /^([A-Za-z\.][A-Za-z0-9_\.]+)\s*[+-]\s*\d+$/) {
# Not Zero Page if the symbol is not 8 bits.
my $symval = $symbols{$1};
@ -1024,9 +1024,9 @@ sub generate_Zero_Page {
} elsif ($operand =~ /^(\d+)$/) {
generate_16($ofh, $addr, $opcode, $1);
# Return symbol value
} elsif ($operand =~ /^([A-Za-z\.][A-Za-z0-9_\.]+)/) {
} elsif ($operand =~ /^([A-Za-z\.][A-Za-z0-9_\.]+)$/) {
handle_8_bit_symbol($ofh, $lineno, $addr, $opcode, $1);
# Allow arithmatic on symbol
# Allow arithmetic on symbol
} elsif ($operand =~ /^([A-Za-z\.][A-Za-z0-9_\.]+)\s*[+]\s*(\d+)$/) {
# Add
handle_8_bit_symbol_add($ofh, $lineno, $addr, $opcode, $1, $2);
@ -1109,9 +1109,10 @@ sub generate_Zero_Page_X {
# Return symbol value
} elsif ($operand =~ /^([A-Za-z\.][A-Za-z0-9_\.]+),[Xx]$/) {
handle_8_bit_symbol($ofh, $lineno, $addr, $opcode, $1);
# Handle symbol arithmatic
# Handle symbol arithmetic
} elsif ($operand =~ /^([A-Za-z\.][0-9a-zA-Z_\.]+)\s*[+]\s*(\d+),[Xx]$/) {
# Add
print "symbol=$1 addend=$2\n";
handle_8_bit_symbol_add($ofh, $lineno, $addr, $opcode, $1, $2);
} elsif ($operand =~ /^([A-Za-z\.][0-9a-zA-Z_\.]+)\s*[-]\s*(\d+),[Xx]$/) {
# Subtract
@ -1177,7 +1178,7 @@ sub generate_Zero_Page_Y {
# Return symbol value
} elsif ($operand =~ /^([A-Za-z\.][A-Za-z0-9_\.]+),[Yy]$/) {
handle_8_bit_symbol($ofh, $lineno, $addr, $opcode, $1);
# Allow arithmatic on symbol
# Allow arithmetic on symbol
} elsif ($operand =~ /^([A-Za-z\.][A-Za-z0-9_\.]+)\s*[+]\s*(\d+),[Yy]$/) {
# Add
handle_8_bit_symbol_add($ofh, $lineno, $addr, $opcode, $1, $2);
@ -1258,7 +1259,7 @@ sub generate_Absolute {
# Return symbol value
} elsif ($operand =~ /^([A-Za-z\.][A-Za-z0-9_\.]+)$/) {
handle_16_bit_symbol($ofh, $lineno, $addr, $opcode, $operand);
# Allow arithmatic on symbol
# Allow arithmetic on symbol
} elsif ($operand =~ /^([A-Za-z\.][A-Za-z0-9_\.]+)\s*[+]\s*(\d+)$/) {
# Add
handle_16_bit_symbol_add($ofh, $lineno, $addr, $opcode, $1, $2);
@ -1283,7 +1284,7 @@ sub is_Indirect_Absolute {
# Handle symbol
} elsif ($operand =~ /^\([A-Za-z\.][A-Za-z0-9_\.]+\)$/) {
return 2;
# Allow symbol arithmatic
# Allow symbol arithmetic
} elsif ($operand =~ /^\([A-Za-z\.][A-Za-z0-9_\.]+\s*[+-]\s*\d+\)/) {
return 2;
}
@ -1307,7 +1308,7 @@ sub generate_Indirect_Absolute {
# Return symbol value
} elsif ($operand =~ /^\(([A-Za-z\.][0-9a-zA-Z]+)\)/) {
handle_16_bit_symbol($ofh, $lineno, $addr, $opcode, $1);
# Allow arithmatic on symbol
# Allow arithmetic on symbol
} elsif ($operand =~ /^\(([A-Za-z\.][A-Za-z0-9_\.]+)\s*[+]\s*(\d+)\)/) {
# Add
handle_16_bit_symbol_add($ofh, $lineno, $addr, $opcode, $1, $2);
@ -1332,7 +1333,7 @@ sub is_Indirect_Absolute_X {
# Handle symbol
} elsif ($operand =~ /^\([A-Za-z\.][A-Za-z0-9_\.]+,[Xx]\)$/) {
return 2;
# Allow symbol arithmatic
# Allow symbol arithmetic
} elsif ($operand =~ /^\(\S+\s*[+-]\s*\d+,[Xx]\)/) {
return 2;
}
@ -1356,7 +1357,7 @@ sub generate_Indirect_Absolute_X {
# Return symbol value
} elsif ($operand =~ /^\(([A-Za-z\.][0-9a-zA-Z_]+)\),[Xx]$/) {
handle_16_bit_symbol($ofh, $lineno, $addr, $opcode, $1);
# Allow arithmatic on symbol
# Allow arithmetic on symbol
} elsif ($operand =~ /^\(([A-Za-z\.][A-Za-z0-9_\.]+)\s*[+]\s*(\d+)\),[Xx]$/) {
# Add
handle_16_bit_symbol_add($ofh, $lineno, $addr, $opcode, $1, $2);
@ -1427,7 +1428,7 @@ sub generate_Absolute_X {
# Return symbol value
} elsif ($operand =~ /^([A-Za-z\.][A-Za-z0-9_\.]+),[Xx]$/) {
handle_16_bit_symbol($ofh, $lineno, $addr, $opcode, $1);
# Allow arithmatic on symbol
# Allow arithmetic on symbol
} elsif ($operand =~ /^([A-Za-z\.][A-Za-z0-9_\.]+)\s*[+]\s*(\d+),[Xx]$/) {
# Add
handle_16_bit_symbol_add($ofh, $lineno, $addr, $opcode, $1, $2);
@ -1491,7 +1492,7 @@ sub generate_Absolute_Y {
# Return symbol value
} elsif ($operand =~ /^([A-Za-z\.][A-Za-z0-9_\.]+),[Yy]$/) {
handle_16_bit_symbol($ofh, $lineno, $addr, $opcode, $1);
# Allow arithmatic on symbol
# Allow arithmetic on symbol
} elsif ($operand =~ /^([A-Za-z\.][A-Za-z0-9_\.]+)\s*[+]\s*(\d+),[Yy]$/) {
# Add
handle_16_bit_symbol_add($ofh, $lineno, $addr, $opcode, $1, $2);
@ -1564,7 +1565,7 @@ sub generate_Indirect_Zero_Page_X {
# Return symbol value
} elsif ($operand =~ /^\(([A-Za-z\.][A-Za-z0-9_\.]+),[Xx]\)$/) {
handle_8_bit_symbol($ofh, $lineno, $addr, $opcode, $1);
# Allow arithmatic on symbol
# Allow arithmetic on symbol
} elsif ($operand =~ /^\(([A-Za-z\.][A-Za-z0-9_\.]+)\s*[+]\s*(\d+),[Xx]\)$/) {
# Add
handle_8_bit_symbol_add($ofh, $lineno, $addr, $opcode, $1, $2);
@ -1637,7 +1638,7 @@ sub generate_Indirect_Zero_Page_Y {
# Return symbol value
} elsif ($operand =~ /^\(([A-Za-z\.][A-Za-z0-9_\.]+)\),[Yy]$/) {
handle_8_bit_symbol($ofh, $lineno, $addr, $opcode, $1);
# Allow arithmatic on symbol
# Allow arithmetic on symbol
} elsif ($operand =~ /^\(([A-Za-z\.][A-Za-z0-9_\.]+)\s*[+]\s*(\d+)\),[Yy]$/) {
# Add
handle_8_bit_symbol_add($ofh, $lineno, $addr, $opcode, $1, $2);
@ -1704,7 +1705,7 @@ sub generate_Indirect_Zero_Page {
# Return symbol value
} elsif ($operand =~ /^\(([A-Za-z\.][A-Za-z0-9_\.]+)\)/) {
handle_8_bit_symbol($ofh, $lineno, $addr, $opcode, $1);
# Allow arithmatic on symbol
# Allow arithmetic on symbol
} elsif ($operand =~ /^\(([A-Za-z\.][A-Za-z0-9_\.]+)\s*[+]\s*(\d+)\)/) {
# Add
my $symval = $symbols{$1};
@ -1810,7 +1811,7 @@ sub generate_Relative {
} else {
print "**** $lineno - Unknown symbol '$1'\n";
}
# Handle symbol arithmatic
# Handle symbol arithmetic
} elsif ($operand =~ /^([A-Za-z\.][A-Za-z0-9_\.]+)\s*([+-])\s*(\d+)$/) {
my $symval = $symbols{$1};
if (defined $symval) {