mirror of
https://github.com/softwarejanitor/as65.git
synced 2024-11-21 17:32:10 +00:00
Added DB and DA pseudo-ops.
This commit is contained in:
Leeland Heins
GitHub
parent
565e67f076
commit
aa6817eb45
92
as65.pl
92
as65.pl
@ -295,7 +295,7 @@ my %mnemonics = (
|
||||
# BCC Relative BCC Oper 90 2 2
|
||||
'Relative' => 0x90,
|
||||
},
|
||||
'BLT' => { # Pseudo-op sam as BCC
|
||||
'BLT' => { # Pseudo-op same as BCC
|
||||
# BLT Relative BLT Oper 90 2 2
|
||||
'Relative' => 0x90,
|
||||
},
|
||||
@ -303,7 +303,7 @@ my %mnemonics = (
|
||||
# BCS Relative BCS Oper B0 2 2
|
||||
'Relative' => 0xb0,
|
||||
},
|
||||
'BGE' => { # Pseudo-op sam as BCS
|
||||
'BGE' => { # Pseudo-op same as BCS
|
||||
# BGE Relative BGE Oper B0 2 2
|
||||
'Relative' => 0xb0,
|
||||
},
|
||||
@ -311,6 +311,10 @@ my %mnemonics = (
|
||||
# BEQ Relative BEQ Oper F0 2 2
|
||||
'Relative' => 0xf0,
|
||||
},
|
||||
'BFL' => { # Pseudo-op same as BEQ
|
||||
# BFL Relative BFL Oper F0 2 2
|
||||
'Relative' => 0xf0,
|
||||
},
|
||||
'BIT' => {
|
||||
# BIT Immediate BIT #Oper 89 2 2
|
||||
'Immediate' => 0x89,
|
||||
@ -331,6 +335,10 @@ my %mnemonics = (
|
||||
# BNE Relative BNE Oper D0 2 2
|
||||
'Relative' => 0xd0,
|
||||
},
|
||||
'BTR' => { # Pseudo-op same as BNE
|
||||
# BTR Relative BTR Oper D0 2 2
|
||||
'Relative' => 0xd0,
|
||||
},
|
||||
'BPL' => {
|
||||
# BPL Relative BPL Oper 10 2 2
|
||||
'Relative' => 0x10,
|
||||
@ -445,6 +453,26 @@ my %mnemonics = (
|
||||
# (Zero Page) EOR (Zpg) 52 2 5
|
||||
'Indirect_Zero_Page' => 0x52,
|
||||
},
|
||||
'XOR' => { # Pseudo-op same as EOR
|
||||
# XOR Immediate XOR #Oper 49 2 2
|
||||
'Immediate' => 0x49,
|
||||
# Zero Page XOR Zpg 45 2 3
|
||||
'Zero_Page' => 0x45,
|
||||
# Zero Page,X XOR Zpg,X 55 2 4
|
||||
'Zero_Page_X' => 0x55,
|
||||
# Absolute XOR Abs 4D 3 4
|
||||
'Absolute' => 0x4d,
|
||||
# Absolute,X XOR Abs,X 5D 3 4
|
||||
'Absolute_X' => 0x5d,
|
||||
# Absolute,Y XOR Abs,Y 59 3 4
|
||||
'Absolute_Y' => 0x59,
|
||||
# (Zero Page,X) XOR (Zpg,X) 41 2 6
|
||||
'Indirect_Zero_Page_X' => 0x41,
|
||||
# (Zero Page),Y XOR (Zpg),Y 51 2 5
|
||||
'Indirect_Zero_Page_Y' => 0x51,
|
||||
# (Zero Page) XOR (Zpg) 52 2 5
|
||||
'Indirect_Zero_Page' => 0x52,
|
||||
},
|
||||
'INA' => {
|
||||
# INA Accumulator INA 1A 1 2
|
||||
'Accumulator' => 0x1a,
|
||||
@ -2084,6 +2112,8 @@ sub is_Implied {
|
||||
# No operand on implied instructions
|
||||
if ($operand eq '') {
|
||||
return 1;
|
||||
} elsif ($operand =~ /^\s*;/) {
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
@ -2174,6 +2204,11 @@ sub parse_line {
|
||||
$mnemonic = $2;
|
||||
$operand = '';
|
||||
$comment = $3;
|
||||
} elsif ($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 = $2;
|
||||
@ -2290,7 +2325,7 @@ if (open($ifh, "<$input_file")) {
|
||||
if ($operand =~ /([0-9a-fA-F]+)/) {
|
||||
$addr += (length($1) / 2);
|
||||
}
|
||||
} elsif ($ucmnemonic =~ /DS/i) {
|
||||
} elsif ($ucmnemonic =~ /^DS$/i) {
|
||||
if ($label ne '') {
|
||||
my $symbol = $label;
|
||||
$symbols{$symbol} = sprintf("\$%04x", $addr);
|
||||
@ -2300,6 +2335,11 @@ if (open($ifh, "<$input_file")) {
|
||||
} elsif ($operand =~ /(\d+)/) {
|
||||
$addr += $1;
|
||||
}
|
||||
} elsif ($ucmnemonic =~ /^DB$/i) {
|
||||
#print "GOT HERE 1\n";
|
||||
$addr++;
|
||||
} elsif ($ucmnemonic =~ /^DA$/i) {
|
||||
$addr += 2;
|
||||
} elsif ($ucmnemonic =~ /DFB/) {
|
||||
if ($operand =~ /^%([01]{8})/) {
|
||||
$addr++;
|
||||
@ -2322,7 +2362,7 @@ if (open($ifh, "<$input_file")) {
|
||||
}
|
||||
$addr += scalar(@bytes);
|
||||
}
|
||||
} elsif ($ucmnemonic =~ /ASC|DCI|INV|FLS|REV|STR/) {
|
||||
} elsif ($ucmnemonic =~ /ASC|DCI|INV|FLS|BLK|REV|STR/) {
|
||||
if ($label ne '') {
|
||||
my $symbol = $label;
|
||||
$symbols{$symbol} = sprintf("\$%04x", $addr);
|
||||
@ -2330,6 +2370,12 @@ if (open($ifh, "<$input_file")) {
|
||||
my ($str) = $operand =~ /^\"(.+)\"([0-9a-fA-F]*)$/;
|
||||
$addr += length($str);
|
||||
$addr++ if defined $2;
|
||||
} elsif ($ucmnemonic =~ /HBY/) {
|
||||
##FIXME -- implement this
|
||||
} elsif ($ucmnemonic =~ /BYT/) {
|
||||
##FIXME -- implement this
|
||||
} elsif ($ucmnemonic =~ /DFS/) {
|
||||
##FIXME -- implement this
|
||||
} elsif ($ucmnemonic =~ /OBJ|CHK|LST/) {
|
||||
# Just ignore this
|
||||
} elsif ($ucmnemonic =~ /MAC/) {
|
||||
@ -2427,7 +2473,7 @@ if (open($ifh, "<$input_file")) {
|
||||
#my @bytes = map { pack('C', hex(lc($_))) } ($operand =~ /(..)/g);
|
||||
my @bytes = map { pack('C', hex(lc($_))) } ($operand =~ /(..)/g);
|
||||
generate_bytes($ofh, $addr, \@bytes, $lineno, $line);
|
||||
} elsif ($ucmnemonic =~ /ASC|DCI|INV|FLS|REV|STR/) {
|
||||
} elsif ($ucmnemonic =~ /ASC|DCI|INV|FLS|BLK|REV|STR/) {
|
||||
#print "operand=$operand\n";
|
||||
# Unpack string dats.
|
||||
my ($str, $trl) = $operand =~ /^\"(.+)\"([0-9a-fA-F]*)$/;
|
||||
@ -2442,6 +2488,7 @@ if (open($ifh, "<$input_file")) {
|
||||
generate_8($ofh, $addr, scalar(@bytes), $lineno, $line);
|
||||
$addr++;
|
||||
}
|
||||
##FIXME -- need to implement bit setting for INV, FLS, etc.
|
||||
generate_bytes($ofh, $addr, \@bytes, $lineno, $line);
|
||||
if (defined $trl && $trl ne '') {
|
||||
my @trlbytes = map { pack('C', hex(lc($_))) } ($trl =~ /(..)/g);
|
||||
@ -2505,7 +2552,7 @@ if (open($ifh, "<$input_file")) {
|
||||
} else {
|
||||
print "$line - Bad byte definition '$operand'\n";
|
||||
}
|
||||
} elsif ($ucmnemonic eq 'DS') {
|
||||
} elsif ($ucmnemonic =~ /^DS$/) {
|
||||
# Decimal
|
||||
my $strlen = 0;
|
||||
if ($operand =~ /^(\d+)/) {
|
||||
@ -2519,6 +2566,39 @@ if (open($ifh, "<$input_file")) {
|
||||
push @bytes, pack('C', 0x00);
|
||||
}
|
||||
generate_bytes($ofh, $addr, \@bytes, $lineno, $line);
|
||||
} elsif ($ucmnemonic =~ /^DB$/) {
|
||||
if ($operand =~ /^%([01]{8})/) {
|
||||
my $opval = unpack('C', pack("B8", $1));
|
||||
generate_8($ofh, $addr, $opval, $lineno, $line);
|
||||
$addr++;
|
||||
} elsif ($operand =~ /^(\d+)/) {
|
||||
generate_8($ofh, $addr, $1, $lineno, $line);
|
||||
$addr++;
|
||||
} elsif ($operand =~ /^\$([0-9a-fA-F][0-9a-fA-F])/) {
|
||||
#print "GOT HERE 2\n";
|
||||
my $opval = hex(lc($1));
|
||||
generate_8($ofh, $addr, $opval, $lineno, $line);
|
||||
$addr++;
|
||||
}
|
||||
} elsif ($ucmnemonic =~ /^DA$/) {
|
||||
if ($operand =~ /^%([01]{16})/) {
|
||||
my $opval1 = unpack('C', pack("B8", substr($1, 0, 8)));
|
||||
my $opval2 = unpack('C', pack("B8", substr($1, 8, 8)));
|
||||
generate_16($ofh, $addr, $opval1, $opval2, $lineno, $line);
|
||||
$addr++;
|
||||
##FIXME -- handle decimal
|
||||
} elsif ($operand =~ /^\$([0-9a-fA-F][0-9a-fA-F])([0-9a-fA-F][0-9a-fA-F])/) {
|
||||
my $opval1 = hex(lc($1));
|
||||
my $opval2 = hex(lc($2));
|
||||
generate_16($ofh, $addr, $opval1, $opval2, $lineno, $line);
|
||||
$addr++;
|
||||
}
|
||||
} elsif ($ucmnemonic =~ /HBY/) {
|
||||
##FIXME -- implement this
|
||||
} elsif ($ucmnemonic =~ /BYT/) {
|
||||
##FIXME -- implement this
|
||||
} elsif ($ucmnemonic =~ /DFS/) {
|
||||
##FIXME -- implement this
|
||||
} elsif ($ucmnemonic =~ /MAC/i) {
|
||||
print "**** Unsupported **** '$line'\n";
|
||||
} elsif ($ucmnemonic eq 'CHK') {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user