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use warnings; |
use warnings; |
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use strict; |
use strict; |
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use Carp; |
use Carp qw/confess/; |
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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/; |
use Data::Dump qw/dump/; |
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use M6502; |
use M6502; |
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use base qw(Class::Accessor M6502 Screen); |
use base qw(Class::Accessor M6502 Screen Prefs); |
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__PACKAGE__->mk_accessors(qw(debug trace run_for mem_dump trace)); |
__PACKAGE__->mk_accessors(qw(run_for)); |
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=head1 NAME |
=head1 NAME |
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=head2 init |
=head2 init |
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Start emulator |
Start emulator, open L<Screen>, load initial ROM images, and render memory |
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=cut |
=cut |
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warn "Orao calling upstream init\n"; |
warn "Orao calling upstream init\n"; |
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$self->SUPER::init( $self, @_ ); |
$self->SUPER::init( $self, @_ ); |
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warn "staring Orao $Orao::VERSION emulation\n"; |
warn "Orao $Orao::VERSION emulation starting\n"; |
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$self->open_screen; |
$self->open_screen; |
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$self->load_rom({ |
$self->load_rom({ |
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); |
); |
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} |
} |
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=head2 prompt |
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$orao->prompt( $address, $last_command ); |
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=cut |
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sub prompt { |
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my $self = shift; |
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$self->app->sync; |
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my $a = shift; |
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my $last = shift; |
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print STDERR $self->hexdump( $a ), |
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$last ? "[$last] " : '', |
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"> "; |
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my $in = <STDIN>; |
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chomp($in); |
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warn "## prompt got: $in\n" if $self->debug; |
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$in ||= $last; |
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$last = $in; |
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return split(/\s+/, $in) if $in; |
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} |
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=head1 Memory management |
=head1 Memory management |
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Orao implements all I/O using mmap addresses. This was main reason why |
Orao implements all I/O using mmap addresses. This was main reason why |
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$self->vram( $addr - 0x6000 , $byte ); |
$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 ) { |
if ( $addr == 0x8800 ) { |
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warn sprintf "sound ignored: %x\n", $byte; |
warn sprintf "sound ignored: %x\n", $byte; |
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} |
} |
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if ( $addr > 0xafff ) { |
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confess sprintf "write access 0x%04x > 0xafff aborting\n", $addr; |
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} |
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$self->mmap_pixel( $addr, $byte, 0, 0 ); |
$self->mmap_pixel( $addr, $byte, 0, 0 ); |
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$mem[$addr] = $byte; |
$mem[$addr] = $byte; |
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Command-line debugging intrerface is implemented for communication with |
Command-line debugging intrerface is implemented for communication with |
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emulated device |
emulated device |
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=head2 cli |
=head2 prompt |
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$orao->cli(); |
$orao->prompt( $address, $last_command ); |
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=cut |
=cut |
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my $last = 'r 1'; |
my $last = 'r 1'; |
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sub prompt { |
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my $self = shift; |
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$self->app->sync; |
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my $a = shift; |
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print STDERR $self->hexdump( $a ), |
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$last ? "[$last] " : '', |
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"> "; |
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my $in = <STDIN>; |
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chomp($in); |
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warn "## prompt got: $in\n" if $self->debug; |
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$in ||= $last; |
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$last = $in; |
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return split(/\s+/, $in) if $in; |
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} |
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=head2 cli |
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$orao->cli(); |
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=cut |
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sub cli { |
sub cli { |
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my $self = shift; |
my $self = shift; |
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my $a = $PC || confess "no pc?"; |
my $a = $PC || confess "no pc?"; |
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if ( $c =~ m/^[qx]/i ) { |
if ( $c =~ m/^[qx]/i ) { |
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exit; |
exit; |
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} elsif ( $c eq '?' ) { |
} elsif ( $c eq '?' ) { |
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my $t = $self->trace ? 'on' : 'off' ; |
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my $d = $self->debug ? 'on' : 'off' ; |
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warn <<__USAGE__; |
warn <<__USAGE__; |
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uage: |
Usage: |
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x|q\t\texit |
x|q\t\texit |
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e 6000 6010\tdump memory, +/- to walk forward/backward |
e 6000 6010\tdump memory, +/- to walk forward/backward |
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m 1000 ff 00\tput ff 00 on 1000 |
m 1000 ff 00\tput ff 00 on 1000 |
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j|u 1000\t\tjump (change pc) |
j|u 1000\t\tjump (change pc) |
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r 42\t\trun 42 instruction opcodes |
r 42\t\trun 42 instruction opcodes |
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t\t\ttrace on/off |
t\t\ttrace [$t] |
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d\t\tdebug on/off |
d\t\tdebug [$d] |
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__USAGE__ |
__USAGE__ |
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warn sprintf(" PC: %04x A:%02x P:%02x X:%02x Y:%02x S:%02x\n", $PC, $A, $P, $X, $Y, $S); |
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} elsif ( $c =~ m/^e/i ) { |
} elsif ( $c =~ m/^e/i ) { |
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$a = $v if defined($v); |
$a = $v if defined($v); |
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my $to = shift @v; |
my $to = shift @v; |
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$a = $v; |
$a = $v; |
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$self->poke_code( $a, @v ); |
$self->poke_code( $a, @v ); |
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printf "poke %d bytes at %04x\n", $#v + 1, $a; |
printf "poke %d bytes at %04x\n", $#v + 1, $a; |
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$last = '+'; |
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} elsif ( $c =~ m/^l/i ) { |
} elsif ( $c =~ m/^l/i ) { |
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my $to = shift @v || 0x1000; |
my $to = shift @v || 0x1000; |
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$a = $to; |
$a = $to; |
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$self->load_oraoemu( $v, $a ); |
$self->load_oraoemu( $v, $a ); |
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$last = ''; |
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} elsif ( $c =~ m/^s/i ) { |
} elsif ( $c =~ m/^s/i ) { |
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$self->save_dump( $v || 'mem.dump', @v ); |
$self->save_dump( $v || 'mem.dump', @v ); |
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$last = ''; |
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} elsif ( $c =~ m/^r/i ) { |
} elsif ( $c =~ m/^r/i ) { |
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$run_for = $v || 1; |
$run_for = $v || 1; |
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print "run_for $run_for instructions\n"; |
print "run_for $run_for instructions\n"; |
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printf "set pc to %04x\n", $to; |
printf "set pc to %04x\n", $to; |
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$PC = $to; # remember for restart |
$PC = $to; # remember for restart |
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$run_for = 1; |
$run_for = 1; |
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$last = sprintf('m %04x', $to); |
399 |
last; |
last; |
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} elsif ( $c =~ m/^t/ ) { |
} elsif ( $c =~ m/^t/ ) { |
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$self->trace( not $self->trace ); |
$self->trace( not $self->trace ); |