3 |
use warnings; |
use warnings; |
4 |
use strict; |
use strict; |
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use Carp; |
use Carp qw/confess/; |
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use lib './lib'; |
use lib './lib'; |
8 |
#use Time::HiRes qw(time); |
#use Time::HiRes qw(time); |
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use File::Slurp; |
use File::Slurp; |
10 |
use Data::Dump qw/dump/; |
use Data::Dump qw/dump/; |
11 |
use M6502; |
use M6502; |
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13 |
use base qw(Class::Accessor M6502 Screen); |
use base qw(Class::Accessor M6502 Screen Prefs); |
14 |
__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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33 |
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34 |
=head2 init |
=head2 init |
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36 |
Start emulator |
Start emulator, open L<Screen>, load initial ROM images, and render memory |
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38 |
=cut |
=cut |
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40 |
our $orao; |
our $orao; |
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42 |
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select(STDERR); $| = 1; |
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44 |
sub init { |
sub init { |
45 |
my $self = shift; |
my $self = shift; |
46 |
warn "Orao calling upstream init\n"; |
warn "Orao calling upstream init\n"; |
47 |
$self->SUPER::init( $self, @_ ); |
$self->SUPER::init( $self, @_ ); |
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|
49 |
warn "staring Orao $Orao::VERSION emulation\n"; |
warn "Orao $Orao::VERSION emulation starting\n"; |
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|
51 |
$self->open_screen; |
$self->open_screen; |
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$self->load_rom({ |
$self->load_rom({ |
53 |
0x1000 => 'dump/SCRINV.BIN', |
0x1000 => 'dump/SCRINV.BIN', |
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# 0x6000 => 'dump/screen.dmp', |
55 |
0xC000 => 'rom/BAS12.ROM', |
0xC000 => 'rom/BAS12.ROM', |
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0xE000 => 'rom/CRT12.ROM', |
0xE000 => 'rom/CRT12.ROM', |
57 |
}); |
}); |
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59 |
$self->load_oraoemu( 'dump/orao-1.2' ); |
# $PC = 0xDD11; # BC |
60 |
$self->load_oraoemu( 'dump/SCRINV.BIN' ); |
# $PC = 0xC274; # MC |
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$PC = 0x1000; |
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$orao = $self; |
$orao = $self; |
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# $self->prompt( 0x1000 ); |
# $self->prompt( 0x1000 ); |
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66 |
my $trace = $self->trace; |
my ( $trace, $debug ) = ( $self->trace, $self->debug ); |
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$self->trace( 0 ); |
$self->trace( 0 ); |
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$self->debug( 0 ); |
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$self->render( @mem[ 0x6000 .. 0x7fff ] ); |
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if ( $self->show_mem ) { |
if ( $self->show_mem ) { |
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} else { |
} else { |
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warn "rendering video memory\n"; |
warn "rendering video memory\n"; |
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for my $a ( 0x6000 .. 0x7fff ) { |
# for my $a ( 0x6000 .. 0x7fff ) { |
105 |
$self->vram( $a - 0x6000, $mem[$a] ); |
# $self->vram( $a - 0x6000, $mem[$a] ); |
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} |
# } |
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$self->render( @mem[ 0x6000 .. 0x7fff ] ); |
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109 |
} |
} |
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$self->sync; |
$self->sync; |
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$self->trace( $trace ); |
$self->trace( $trace ); |
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$self->debug( $debug ); |
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( $A, $P, $X, $Y, $S, $IPeriod ) = ( 1, 2, 3, 4, 5, 6 ); |
#( $A, $P, $X, $Y, $S, $IPeriod ) = ( 1, 2, 3, 4, 5, 6 ); |
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116 |
warn "Orao init finished", $self->trace ? ' trace on' : '', "\n"; |
warn "Orao init finished", |
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$self->trace ? ' trace' : '', |
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$self->debug ? ' debug' : '', |
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"\n"; |
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} |
} |
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} |
} |
140 |
} |
} |
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# write chunk directly into memory, updateing vram if needed |
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sub _write_chunk { |
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my $self = shift; |
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my ( $addr, $chunk ) = @_; |
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$self->write_chunk( $addr, $chunk ); |
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my $end = $addr + length($chunk); |
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my ( $f, $t ) = ( 0x6000, 0x7fff ); |
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150 |
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if ( $end < $f || $addr >= $t ) { |
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warn "skip vram update\n"; |
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return; |
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}; |
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$f = $addr if ( $addr > $f ); |
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$t = $end if ( $end < $t ); |
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warn sprintf("refresh video ram %04x-%04x\n", $f, $t); |
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# foreach my $a ( $f .. $t ) { |
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# $self->vram( $a - 0x6000 , $mem[ $a ] ); |
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# } |
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$self->render( @mem[ 0x6000 .. 0x7fff ] ); |
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} |
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=head2 load_oraoemu |
=head2 load_oraoemu |
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Load binary files, ROM images and Orao Emulator files |
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$orao->load_oraoemu( '/path/to/file', 0x1000 ); |
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Returns true on success. |
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=cut |
=cut |
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sub load_oraoemu { |
sub load_oraoemu { |
176 |
my $self = shift; |
my $self = shift; |
177 |
my ( $path, $addr ) = @_; |
my ( $path, $addr ) = @_; |
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179 |
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if ( ! -e $path ) { |
180 |
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warn "ERROR: file $path doesn't exist\n"; |
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return; |
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} |
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my $size = -s $path || confess "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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warn sprintf "loading oraoemu 64k dump %s at %04x - %04x %02x\n", $path, $addr, $addr+$size-1, $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 1; |
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} elsif ( $size == 32800 ) { |
} elsif ( $size == 32800 ) { |
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$addr = 0; |
$addr = 0; |
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warn sprintf "loading oraoemu 1.3 dump %s at %04x - %04x %02x\n", $path, $addr, $addr+$size-1, $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)) ); |
return 1; |
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return; |
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} |
} |
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printf "loading %s at %04x - %04x %02x\n", $path, $addr, $addr+$size-1, $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) ); |
$self->_write_chunk( $addr, $buff ); |
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return $self->write_chunk( $addr, $buff ); |
return 1; |
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my $chunk; |
my $chunk; |
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$pos += 4; |
$pos += 4; |
215 |
} |
} |
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$self->write_chunk( $addr, $chunk ); |
$self->_write_chunk( $addr, $chunk ); |
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return 1; |
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}; |
}; |
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=head2 save_dump |
=head2 save_dump |
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return sprintf(" %04x %s\n", $a, |
return sprintf(" %04x %s\n", $a, |
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join(" ", |
join(" ", |
255 |
map { |
map { |
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sprintf( "%02x", $_ ) |
if ( defined($_) ) { |
257 |
} $self->ram( $a, $a+8 ) |
sprintf( "%02x", $_ ) |
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} else { |
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' ' |
260 |
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} |
261 |
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} @mem[ $a .. $a+8 ] |
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) |
) |
263 |
); |
); |
264 |
} |
} |
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=head2 prompt |
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$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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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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$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 |
267 |
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268 |
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 |
282 |
my $self = shift; |
my $self = shift; |
283 |
my ($addr) = @_; |
my ($addr) = @_; |
284 |
my $byte = $mem[$addr]; |
my $byte = $mem[$addr]; |
285 |
warn "# Orao::read(",dump(@_),") = ",dump( $byte ),"\n" if $self->debug; |
warn sprintf("# Orao::read(%04x) = %02x\n", $addr, $byte) if $self->trace; |
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$self->mmap_pixel( $addr, 0, $byte, 0 ); |
$self->mmap_pixel( $addr, 0, $byte, 0 ); |
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return $byte; |
return $byte; |
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} |
} |
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sub write { |
sub write { |
299 |
my $self = shift; |
my $self = shift; |
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warn "# Orao::write(",dump(@_),")\n" if $self->debug; |
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300 |
my ($addr,$byte) = @_; |
my ($addr,$byte) = @_; |
301 |
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warn sprintf("# Orao::write(%04x,%02x)\n", $addr, $byte) if $self->trace; |
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303 |
if ( $addr >= 0x6000 && $addr < 0x8000 ) { |
if ( $addr >= 0x6000 && $addr < 0x8000 ) { |
304 |
$self->vram( $addr - 0x6000 , $byte ); |
$self->vram( $addr - 0x6000 , $byte ); |
305 |
} |
} |
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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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307 |
if ( $addr == 0x8800 ) { |
if ( $addr == 0x8800 ) { |
308 |
warn sprintf "sound ignored: %x\n", $byte; |
warn sprintf "sound ignored: %x\n", $byte; |
309 |
} |
} |
310 |
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311 |
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if ( $addr > 0xafff ) { |
312 |
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warn sprintf "write access 0x%04x > 0xafff aborting\n", $addr; |
313 |
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return; |
314 |
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} |
315 |
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316 |
$self->mmap_pixel( $addr, $byte, 0, 0 ); |
$self->mmap_pixel( $addr, $byte, 0, 0 ); |
317 |
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318 |
$mem[$addr] = $byte; |
$mem[$addr] = $byte; |
319 |
return; |
return; |
320 |
} |
} |
321 |
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322 |
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=head1 Command Line |
323 |
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324 |
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Command-line debugging intrerface is implemented for communication with |
325 |
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emulated device |
326 |
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327 |
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=head2 prompt |
328 |
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329 |
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my ( $entered_line, @p ) = $orao->prompt( $address, $last_command ); |
330 |
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331 |
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=cut |
332 |
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333 |
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my $last = 'r 1'; |
334 |
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335 |
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sub prompt { |
336 |
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my $self = shift; |
337 |
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$self->app->sync; |
338 |
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my $a = shift; |
339 |
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print STDERR $self->hexdump( $a ), |
340 |
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$last ? "[$last] " : '', |
341 |
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"> "; |
342 |
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my $in = <STDIN>; |
343 |
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chomp($in); |
344 |
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warn "## prompt got: $in\n" if $self->debug; |
345 |
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$in ||= $last; |
346 |
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$last = $in; |
347 |
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return ( $in, split(/\s+/, $in) ) if $in; |
348 |
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} |
349 |
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350 |
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=head2 cli |
351 |
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352 |
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$orao->cli(); |
353 |
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354 |
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=cut |
355 |
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356 |
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my $show_R = 0; |
357 |
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358 |
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sub cli { |
359 |
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my $self = shift; |
360 |
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my $a = $PC || confess "no pc?"; |
361 |
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warn $self->dump_R() if $show_R; |
362 |
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while ( my ($line, @v) = $self->prompt( $a, $last ) ) { |
363 |
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my $c = shift @v; |
364 |
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next unless defined($c); |
365 |
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my $v = shift @v; |
366 |
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$v = hex($v) if $v && $v =~ m/^[0-9a-f]+$/; |
367 |
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@v = map { hex($_) } @v; |
368 |
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printf "## a: %04x parsed cli: c:%s v:%s %s\n", $a, $c, ($v || 'undef'), join(",",@v) if $self->debug; |
369 |
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if ( $c =~ m/^[qx]/i ) { |
370 |
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exit; |
371 |
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} elsif ( $c eq '?' ) { |
372 |
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my $t = $self->trace ? 'on' : 'off' ; |
373 |
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my $d = $self->debug ? 'on' : 'off' ; |
374 |
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warn <<__USAGE__; |
375 |
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Usage: |
376 |
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|
377 |
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x|q\t\texit |
378 |
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e 6000 6010\tdump memory, +/- to walk forward/backward |
379 |
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m 1000 ff 00\tput ff 00 on 1000 |
380 |
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j|u 1000\t\tjump (change pc) |
381 |
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r 42\t\trun 42 instruction opcodes |
382 |
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t\t\ttrace [$t] |
383 |
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d\t\tdebug [$d] |
384 |
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385 |
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__USAGE__ |
386 |
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warn $self->dump_R; |
387 |
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} elsif ( $c =~ m/^e/i ) { |
388 |
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$a = $v if defined($v); |
389 |
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my $to = shift @v; |
390 |
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$to = $a + 32 if ( ! $to || $to <= $a ); |
391 |
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$to = 0xffff if ( $to > 0xffff ); |
392 |
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my $lines = int( ($to - $a + 8) / 8 ); |
393 |
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printf "## e %04x %04x (%d bytes) lines: %d\n", $a, $to, ($to-$a), $lines; |
394 |
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while ( --$lines ) { |
395 |
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print $self->hexdump( $a ); |
396 |
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$a += 8; |
397 |
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} |
398 |
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$last = '+'; |
399 |
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$show_R = 0; |
400 |
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} elsif ( $c =~ m/^\+/ ) { |
401 |
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$a += 8; |
402 |
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$show_R = 0; |
403 |
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} elsif ( $c =~ m/^\-/ ) { |
404 |
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$a -= 8; |
405 |
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$show_R = 0; |
406 |
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} elsif ( $c =~ m/^m/i ) { |
407 |
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$a = $v if defined($v); |
408 |
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$self->poke_code( $a, @v ); |
409 |
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printf "poke %d bytes at %04x\n", $#v + 1, $a; |
410 |
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$last = '+'; |
411 |
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$show_R = 0; |
412 |
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} elsif ( $c =~ m/^l/i ) { |
413 |
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my $to = shift @v || 0x1000; |
414 |
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$a = $to; |
415 |
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$self->load_oraoemu( $v, $a ); |
416 |
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$last = ''; |
417 |
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} elsif ( $c =~ m/^s/i ) { |
418 |
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$self->save_dump( $v || 'mem.dump', @v ); |
419 |
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$last = ''; |
420 |
|
} elsif ( $c =~ m/^r/i ) { |
421 |
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$run_for = $v || 1; |
422 |
|
print "run_for $run_for instructions\n"; |
423 |
|
$show_R = 1; |
424 |
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last; |
425 |
|
} elsif ( $c =~ m/^(u|j)/ ) { |
426 |
|
my $to = $v || $a; |
427 |
|
printf "set pc to %04x\n", $to; |
428 |
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$PC = $to; # remember for restart |
429 |
|
$run_for = 1; |
430 |
|
$last = "r $run_for"; |
431 |
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$show_R = 1; |
432 |
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last; |
433 |
|
} elsif ( $c =~ m/^t/ ) { |
434 |
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$self->trace( not $self->trace ); |
435 |
|
print "trace ", $self->trace ? 'on' : 'off', "\n"; |
436 |
|
$last = ''; |
437 |
|
} elsif ( $c =~ m/^d/ ) { |
438 |
|
$self->debug( not $self->debug ); |
439 |
|
print "debug ", $self->debug ? 'on' : 'off', "\n"; |
440 |
|
$last = ''; |
441 |
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} else { |
442 |
|
warn "# ignored $line\n" if ($line); |
443 |
|
$last = ''; |
444 |
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} |
445 |
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} |
446 |
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|
447 |
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} |
448 |
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|
449 |
=head1 AUTHOR |
=head1 AUTHOR |
450 |
|
|