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use lib './lib'; |
use lib './lib'; |
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#use Time::HiRes qw(time); |
#use Time::HiRes qw(time); |
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use File::Slurp; |
use File::Slurp; |
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use Data::Dump qw/dump/; |
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use M6502; |
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use base qw(Class::Accessor M6502 Screen); |
use base qw(Class::Accessor M6502 Screen); |
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__PACKAGE__->mk_accessors(qw(debug trace run_for mem_dump trace)); |
__PACKAGE__->mk_accessors(qw(debug trace run_for mem_dump trace)); |
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=cut |
=cut |
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our $orao; |
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sub init { |
sub init { |
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my $self = shift; |
my $self = shift; |
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warn "call upstream init\n"; |
warn "Orao calling upstream init\n"; |
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$self->SUPER::init( @_ ); |
$self->SUPER::init( $self, @_ ); |
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warn "staring Orao $ORAO::VERSION emulation\n"; |
warn "staring Orao $Orao::VERSION emulation\n"; |
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$self->open_screen; |
$self->open_screen; |
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$self->load_rom; |
$self->load_rom({ |
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} |
0x1000 => 'dump/SCRINV.BIN', |
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0xC000 => 'rom/BAS12.ROM', |
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0xE000 => 'rom/CRT12.ROM', |
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}); |
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$self->load_oraoemu( 'dump/orao-1.2' ); |
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$self->load_oraoemu( 'dump/SCRINV.BIN', 0x1000 ); |
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$PC = 0x1000; |
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$orao = $self; |
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# $self->prompt( 0x1000 ); |
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my $trace = $self->trace; |
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$self->trace( 0 ); |
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if ( $self->show_mem ) { |
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warn "rendering memory map\n"; |
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my @mmap = ( |
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0x0000, 0x03FF, 'nulti blok', |
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0x0400, 0x5FFF, 'korisnički RAM (23K)', |
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0x6000, 0x7FFF, 'video RAM', |
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0x8000, 0x9FFF, 'sistemske lokacije', |
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0xA000, 0xAFFF, 'ekstenzija', |
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0xB000, 0xBFFF, 'DOS', |
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0xC000, 0xDFFF, 'BASIC ROM', |
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0xE000, 0xFFFF, 'sistemski ROM', |
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); |
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foreach my $i ( 0 .. $#mmap / 3 ) { |
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my $o = $i * 3; |
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my ( $from, $to, $desc ) = @mmap[$o,$o+1,$o+2]; |
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printf "%04x - %04x - %s\n", $from, $to, $desc; |
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for my $a ( $from .. $to ) { |
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if ( $a >= 0x6000 && $a < 0x8000 ) { |
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my $b = $self->read( $a ); |
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$self->vram( $a - 0x6000, $b ); |
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} else { |
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$self->read( $a ); |
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} |
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} |
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} |
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} else { |
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warn "rendering video memory\n"; |
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for my $a ( 0x6000 .. 0x7fff ) { |
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$self->vram( $a - 0x6000, $mem[$a] ); |
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} |
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} |
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$self->sync; |
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$self->trace( $trace ); |
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my $loaded_files = { |
#( $A, $P, $X, $Y, $S, $IPeriod ) = ( 1, 2, 3, 4, 5, 6 ); |
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0xC000 => 'rom/BAS12.ROM', |
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0xE000 => 'rom/CRT12.ROM', |
warn "Orao init finished", $self->trace ? ' trace on' : '', "\n"; |
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}; |
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} |
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=head2 load_rom |
=head2 load_rom |
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=cut |
=cut |
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sub load_rom { |
sub load_rom { |
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my ($self) = @_; |
my ($self, $loaded_files) = @_; |
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#my $time_base = time(); |
#my $time_base = time(); |
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foreach my $addr ( sort keys %$loaded_files ) { |
foreach my $addr ( sort keys %$loaded_files ) { |
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my $path = $loaded_files->{$addr}; |
my $path = $loaded_files->{$addr}; |
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printf "loading '%s' at %04x\n", $path, $addr; |
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$self->load_oraoemu( $path, $addr ); |
$self->load_oraoemu( $path, $addr ); |
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} |
} |
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} |
} |
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my $self = shift; |
my $self = shift; |
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my ( $path, $addr ) = @_; |
my ( $path, $addr ) = @_; |
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my $size = -s $path || die "no size for $path: $!"; |
my $size = -s $path || confess "no size for $path: $!"; |
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my $buff = read_file( $path ); |
my $buff = read_file( $path ); |
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if ( $size == 65538 ) { |
if ( $size == 65538 ) { |
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$addr = 0; |
$addr = 0; |
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printf "loading oraoemu 64k dump %s at %04x - %04x %02x\n", $path, $addr, $addr+$size, $size; |
warn sprintf "loading oraoemu 64k dump %s at %04x - %04x %02x\n", $path, $addr, $addr+$size-1, $size; |
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$self->write_chunk( $addr, substr($buff,2) ); |
$self->write_chunk( $addr, substr($buff,2) ); |
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return; |
return; |
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} elsif ( $size == 32800 ) { |
} elsif ( $size == 32800 ) { |
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$addr = 0; |
$addr = 0; |
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printf "loading oraoemu 1.3 dump %s at %04x - %04x %02x\n", $path, $addr, $addr+$size, $size; |
warn sprintf "loading oraoemu 1.3 dump %s at %04x - %04x %02x\n", $path, $addr, $addr+$size-1, $size; |
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#$self->write_chunk( $addr, substr($buff,0x20) ); |
#$self->write_chunk( $addr, substr($buff,0x20) ); |
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$self->poke_code( $addr, map { ord($_) } split(//,substr($buff,0x20)) ); |
$self->poke_code( $addr, map { ord($_) } split(//,substr($buff,0x20)) ); |
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return; |
return; |
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} |
} |
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printf "loading %s at %04x - %04x %02x\n", $path, $addr, $addr+$size, $size; |
printf "loading %s at %04x - %04x %02x\n", $path, $addr, $addr+$size-1, $size; |
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return $self->poke_code( $addr, map { ord($_) } split(//,$buff) ); |
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return $self->write_chunk( $addr, $buff ); |
return $self->write_chunk( $addr, $buff ); |
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my $chunk; |
my $chunk; |
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close($fh); |
close($fh); |
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my $size = -s $path; |
my $size = -s $path; |
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printf "saved %s %d %x bytes\n", $path, $size, $size; |
warn sprintf "saved %s %d %x bytes\n", $path, $size, $size; |
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} |
} |
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=head2 hexdump |
=head2 hexdump |
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my $self = shift; |
my $self = shift; |
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my $a = shift; |
my $a = shift; |
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my $last = shift; |
my $last = shift; |
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print $self->hexdump( $a ), |
print STDERR $self->hexdump( $a ), |
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$last ? "[$last] " : '', |
$last ? "[$last] " : '', |
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"> "; |
"> "; |
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my $in = <STDIN>; |
my $in = <STDIN>; |
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return split(/\s+/, $in) if $in; |
return split(/\s+/, $in) if $in; |
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} |
} |
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=head1 Memory management |
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Orao implements all I/O using mmap addresses. This was main reason why |
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L<Acme::6502> was just too slow to handle it. |
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=cut |
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=head2 read |
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Read from memory |
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$byte = read( $address ); |
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=cut |
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sub read { |
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my $self = shift; |
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my ($addr) = @_; |
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my $byte = $mem[$addr]; |
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warn "# Orao::read(",dump(@_),") = ",dump( $byte ),"\n" if $self->trace; |
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$self->mmap_pixel( $addr, 0, $byte, 0 ); |
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return $byte; |
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} |
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=head2 write |
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Write into emory |
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write( $address, $byte ); |
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=cut |
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sub write { |
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my $self = shift; |
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warn "# Orao::write(",dump(@_),")\n" if $self->trace; |
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my ($addr,$byte) = @_; |
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if ( $addr >= 0x6000 && $addr < 0x8000 ) { |
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$self->vram( $addr - 0x6000 , $byte ); |
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} |
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if ( $addr > 0xafff ) { |
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warn sprintf "access to %04x above affff aborting\n", $addr; |
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return -1; |
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} |
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if ( $addr == 0x8800 ) { |
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warn sprintf "sound ignored: %x\n", $byte; |
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} |
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$self->mmap_pixel( $addr, $byte, 0, 0 ); |
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$mem[$addr] = $byte; |
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return; |
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} |
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=head1 AUTHOR |
=head1 AUTHOR |
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