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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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|
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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 $self = shift; |
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warn "call upstream init\n"; |
warn "call upstream init\n"; |
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$self->SUPER::init( @_ ); |
$self->SUPER::init( @_ ); |
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|
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warn "staring Orao $ORAO::VERSION emulation\n"; |
warn "staring Orao $Orao::VERSION emulation\n"; |
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|
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$self->open_screen; |
$self->open_screen; |
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$self->load_rom; |
$self->load_rom; |
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$orao = $self; |
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$self->prompt( 0x1000 ); |
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} |
} |
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my $loaded_files = { |
my $loaded_files = { |
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|
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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; |
warn sprintf "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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|
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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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|
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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, $size; |
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$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, $size; |
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#$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($buff,0x20)) ); |
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return; |
return; |
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close($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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|
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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; |
176 |
my $last = shift; |
my $last = shift; |
177 |
print $self->hexdump( $a ), |
print STDERR $self->hexdump( $a ), |
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$last ? "[$last] " : '', |
$last ? "[$last] " : '', |
179 |
"> "; |
"> "; |
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my $in = <STDIN>; |
my $in = <STDIN>; |
184 |
return split(/\s+/, $in) if $in; |
return split(/\s+/, $in) if $in; |
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} |
} |
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=head1 Memory management |
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Orao implements all I/O using mmap addresses. This was main reason why |
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L<Acme::6502> was just too slow to handle it. |
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=cut |
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my @mem = (0xff) x 0x100000; # 64Mb |
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=head2 read |
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Read from memory |
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$byte = read( $address ); |
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=cut |
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sub read { |
205 |
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my $self = $orao; |
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my ($addr) = @_; |
207 |
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my $byte = $mem[$addr]; |
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warn "# Orao::read(",dump(@_),") = ",dump( $byte ),"\n" if $self->debug; |
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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 |
216 |
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write( $address, $byte ); |
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=cut |
220 |
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sub write { |
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my $self = $orao; |
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warn "# Orao::write(",dump(@_),")\n" if $self->debug; |
224 |
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my ($addr,$byte) = @_; |
225 |
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if ( $addr >= 0x6000 && $addr < 0x8000 ) { |
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$self->vram( $addr - 0x6000 , $byte ); |
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} |
229 |
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230 |
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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; |
233 |
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} |
234 |
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if ( $addr == 0x8800 ) { |
235 |
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warn sprintf "sound ignored: %x\n", $byte; |
236 |
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} |
237 |
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238 |
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mmap_pixel( $addr, $byte, 0, 0 ); |
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240 |
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$mem[$addr] = $byte; |
241 |
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} |
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=head1 AUTHOR |
=head1 AUTHOR |
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