3 |
use warnings; |
use warnings; |
4 |
use strict; |
use strict; |
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6 |
use Carp; |
use Carp qw/confess/; |
7 |
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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|
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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 |
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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 "call upstream init\n"; |
warn "Orao calling upstream init\n"; |
47 |
$self->SUPER::init( @_ ); |
$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 |
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0x1000 => 'dump/SCRINV.BIN', |
54 |
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# should be 0x6000, but oraoemu has 2 byte prefix |
55 |
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0x5FFE => 'dump/screen.dmp', |
56 |
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0xC000 => 'rom/BAS12.ROM', |
57 |
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0xE000 => 'rom/CRT12.ROM', |
58 |
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}); |
59 |
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# $PC = 0xDD11; # BC |
61 |
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# $PC = 0xC274; # MC |
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63 |
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$orao = $self; |
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# $self->prompt( 0x1000 ); |
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my ( $trace, $debug ) = ( $self->trace, $self->debug ); |
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$self->trace( 0 ); |
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$self->debug( 0 ); |
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$self->render( @mem[ 0x6000 .. 0x7fff ] ); |
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if ( $self->show_mem ) { |
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warn "rendering memory map\n"; |
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$self->render_mem( @mem ); |
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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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if(0){ |
91 |
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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; |
95 |
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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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} |
102 |
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} |
103 |
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} |
104 |
} |
} |
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my $loaded_files = { |
} else { |
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0xC000 => 'rom/BAS12.ROM', |
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0xE000 => 'rom/CRT12.ROM', |
warn "rendering video memory\n"; |
109 |
}; |
# for my $a ( 0x6000 .. 0x7fff ) { |
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# $self->vram( $a - 0x6000, $mem[$a] ); |
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# } |
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$self->render( @mem[ 0x6000 .. 0x7fff ] ); |
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} |
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$self->sync; |
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$self->trace( $trace ); |
117 |
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$self->debug( $debug ); |
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#( $A, $P, $X, $Y, $S, $IPeriod ) = ( 1, 2, 3, 4, 5, 6 ); |
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warn "Orao init finished", |
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$self->trace ? ' trace' : '', |
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$self->debug ? ' debug' : '', |
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"\n"; |
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} |
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=head2 load_rom |
=head2 load_rom |
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=cut |
=cut |
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sub load_rom { |
sub load_rom { |
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my ($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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# 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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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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178 |
=cut |
=cut |
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sub load_oraoemu { |
sub load_oraoemu { |
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my $self = shift; |
my $self = shift; |
182 |
my ( $path, $addr ) = @_; |
my ( $path, $addr ) = @_; |
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|
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my $size = -s $path || die "no size for $path: $!"; |
if ( ! -e $path ) { |
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warn "ERROR: file $path doesn't exist\n"; |
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return; |
187 |
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} |
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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-1, $size; |
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$self->write_chunk( $addr, substr($buff,2) ); |
$self->_write_chunk( $addr, substr($buff,2) ); |
197 |
return; |
return 1; |
198 |
} elsif ( $size == 32800 ) { |
} elsif ( $size == 32800 ) { |
199 |
$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) ); |
202 |
$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, $size; |
printf "loading %s at %04x - %04x %02x\n", $path, $addr, $addr+$size-1, $size; |
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return $self->write_chunk( $addr, $buff ); |
$self->_write_chunk( $addr, $buff ); |
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return 1; |
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my $chunk; |
my $chunk; |
209 |
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|
219 |
$pos += 4; |
$pos += 4; |
220 |
} |
} |
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$self->write_chunk( $addr, $chunk ); |
$self->_write_chunk( $addr, $chunk ); |
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return 1; |
225 |
}; |
}; |
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227 |
=head2 save_dump |
=head2 save_dump |
243 |
close($fh); |
close($fh); |
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|
245 |
my $size = -s $path; |
my $size = -s $path; |
246 |
printf "saved %s %d %x bytes\n", $path, $size, $size; |
warn sprintf "saved %s %d %x bytes\n", $path, $size, $size; |
247 |
} |
} |
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=head2 hexdump |
=head2 hexdump |
258 |
return sprintf(" %04x %s\n", $a, |
return sprintf(" %04x %s\n", $a, |
259 |
join(" ", |
join(" ", |
260 |
map { |
map { |
261 |
sprintf( "%02x", $_ ) |
if ( defined($_) ) { |
262 |
} $self->ram( $a, $a+8 ) |
sprintf( "%02x", $_ ) |
263 |
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} else { |
264 |
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' ' |
265 |
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} |
266 |
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} @mem[ $a .. $a+8 ] |
267 |
) |
) |
268 |
); |
); |
269 |
} |
} |
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=head1 Memory management |
272 |
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|
273 |
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Orao implements all I/O using mmap addresses. This was main reason why |
274 |
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L<Acme::6502> was just too slow to handle it. |
275 |
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|
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=cut |
277 |
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278 |
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=head2 read |
279 |
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Read from memory |
281 |
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282 |
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$byte = read( $address ); |
283 |
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284 |
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=cut |
285 |
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286 |
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sub read { |
287 |
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my $self = shift; |
288 |
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my ($addr) = @_; |
289 |
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my $byte = $mem[$addr]; |
290 |
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warn sprintf("# Orao::read(%04x) = %02x\n", $addr, $byte) if $self->trace; |
291 |
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$self->mmap_pixel( $addr, 0, $byte, 0 ); |
292 |
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return $byte; |
293 |
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} |
294 |
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295 |
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=head2 write |
296 |
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297 |
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Write into emory |
298 |
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|
299 |
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write( $address, $byte ); |
300 |
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301 |
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=cut |
302 |
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303 |
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sub write { |
304 |
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my $self = shift; |
305 |
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my ($addr,$byte) = @_; |
306 |
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warn sprintf("# Orao::write(%04x,%02x)\n", $addr, $byte) if $self->trace; |
307 |
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|
308 |
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if ( $addr >= 0x6000 && $addr < 0x8000 ) { |
309 |
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$self->vram( $addr - 0x6000 , $byte ); |
310 |
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} |
311 |
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|
312 |
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if ( $addr == 0x8800 ) { |
313 |
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warn sprintf "sound ignored: %x\n", $byte; |
314 |
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} |
315 |
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|
316 |
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if ( $addr > 0xafff ) { |
317 |
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warn sprintf "write access 0x%04x > 0xafff aborting\n", $addr; |
318 |
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return; |
319 |
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} |
320 |
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321 |
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$self->mmap_pixel( $addr, $byte, 0, 0 ); |
322 |
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323 |
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$mem[$addr] = $byte; |
324 |
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return; |
325 |
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} |
326 |
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327 |
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=head1 Command Line |
328 |
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|
329 |
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Command-line debugging intrerface is implemented for communication with |
330 |
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emulated device |
331 |
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|
332 |
=head2 prompt |
=head2 prompt |
333 |
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|
334 |
$orao->prompt( $address, $last_command ); |
my ( $entered_line, @p ) = $orao->prompt( $address, $last_command ); |
335 |
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|
336 |
=cut |
=cut |
337 |
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|
338 |
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my $last = 'r 1'; |
339 |
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|
340 |
sub prompt { |
sub prompt { |
341 |
my $self = shift; |
my $self = shift; |
342 |
|
$self->app->sync; |
343 |
my $a = shift; |
my $a = shift; |
344 |
my $last = shift; |
print STDERR $self->hexdump( $a ), |
|
print $self->hexdump( $a ), |
|
345 |
$last ? "[$last] " : '', |
$last ? "[$last] " : '', |
346 |
"> "; |
"> "; |
347 |
my $in = <STDIN>; |
my $in = <STDIN>; |
348 |
chomp($in); |
chomp($in); |
349 |
|
warn "## prompt got: $in\n" if $self->debug; |
350 |
$in ||= $last; |
$in ||= $last; |
351 |
$last = $in; |
$last = $in; |
352 |
return split(/\s+/, $in) if $in; |
return ( $in, split(/\s+/, $in) ) if $in; |
353 |
} |
} |
354 |
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|
355 |
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=head2 cli |
356 |
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|
357 |
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$orao->cli(); |
358 |
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|
359 |
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=cut |
360 |
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|
361 |
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my $show_R = 0; |
362 |
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|
363 |
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sub cli { |
364 |
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my $self = shift; |
365 |
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my $a = $PC || confess "no pc?"; |
366 |
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warn $self->dump_R() if $show_R; |
367 |
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while ( my ($line, @v) = $self->prompt( $a, $last ) ) { |
368 |
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my $c = shift @v; |
369 |
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next unless defined($c); |
370 |
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my $v = shift @v; |
371 |
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$v = hex($v) if $v && $v =~ m/^[0-9a-f]+$/; |
372 |
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@v = map { hex($_) } @v; |
373 |
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printf "## a: %04x parsed cli: c:%s v:%s %s\n", $a, $c, ($v || 'undef'), join(",",@v) if $self->debug; |
374 |
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if ( $c =~ m/^[qx]/i ) { |
375 |
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exit; |
376 |
|
} elsif ( $c eq '?' ) { |
377 |
|
my $t = $self->trace ? 'on' : 'off' ; |
378 |
|
my $d = $self->debug ? 'on' : 'off' ; |
379 |
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warn <<__USAGE__; |
380 |
|
Usage: |
381 |
|
|
382 |
|
x|q\t\texit |
383 |
|
e 6000 6010\tdump memory, +/- to walk forward/backward |
384 |
|
m 1000 ff 00\tput ff 00 on 1000 |
385 |
|
j|u 1000\t\tjump (change pc) |
386 |
|
r 42\t\trun 42 instruction opcodes |
387 |
|
t\t\ttrace [$t] |
388 |
|
d\t\tdebug [$d] |
389 |
|
|
390 |
|
__USAGE__ |
391 |
|
warn $self->dump_R; |
392 |
|
} elsif ( $c =~ m/^e/i ) { |
393 |
|
$a = $v if defined($v); |
394 |
|
my $to = shift @v; |
395 |
|
$to = $a + 32 if ( ! $to || $to <= $a ); |
396 |
|
$to = 0xffff if ( $to > 0xffff ); |
397 |
|
my $lines = int( ($to - $a + 8) / 8 ); |
398 |
|
printf "## e %04x %04x (%d bytes) lines: %d\n", $a, $to, ($to-$a), $lines; |
399 |
|
while ( --$lines ) { |
400 |
|
print $self->hexdump( $a ); |
401 |
|
$a += 8; |
402 |
|
} |
403 |
|
$last = '+'; |
404 |
|
$show_R = 0; |
405 |
|
} elsif ( $c =~ m/^\+/ ) { |
406 |
|
$a += 8; |
407 |
|
$show_R = 0; |
408 |
|
} elsif ( $c =~ m/^\-/ ) { |
409 |
|
$a -= 8; |
410 |
|
$show_R = 0; |
411 |
|
} elsif ( $c =~ m/^m/i ) { |
412 |
|
$a = $v if defined($v); |
413 |
|
$self->poke_code( $a, @v ); |
414 |
|
printf "poke %d bytes at %04x\n", $#v + 1, $a; |
415 |
|
$last = '+'; |
416 |
|
$show_R = 0; |
417 |
|
} elsif ( $c =~ m/^l/i ) { |
418 |
|
my $to = shift @v || 0x1000; |
419 |
|
$a = $to; |
420 |
|
$self->load_oraoemu( $v, $a ); |
421 |
|
$last = ''; |
422 |
|
} elsif ( $c =~ m/^s/i ) { |
423 |
|
$self->save_dump( $v || 'mem.dump', @v ); |
424 |
|
$last = ''; |
425 |
|
} elsif ( $c =~ m/^r/i ) { |
426 |
|
$run_for = $v || 1; |
427 |
|
print "run_for $run_for instructions\n"; |
428 |
|
$show_R = 1; |
429 |
|
last; |
430 |
|
} elsif ( $c =~ m/^(u|j)/ ) { |
431 |
|
my $to = $v || $a; |
432 |
|
printf "set pc to %04x\n", $to; |
433 |
|
$PC = $to; # remember for restart |
434 |
|
$run_for = 1; |
435 |
|
$last = "r $run_for"; |
436 |
|
$show_R = 1; |
437 |
|
last; |
438 |
|
} elsif ( $c =~ m/^t/ ) { |
439 |
|
$self->trace( not $self->trace ); |
440 |
|
print "trace ", $self->trace ? 'on' : 'off', "\n"; |
441 |
|
$last = ''; |
442 |
|
} elsif ( $c =~ m/^d/ ) { |
443 |
|
$self->debug( not $self->debug ); |
444 |
|
print "debug ", $self->debug ? 'on' : 'off', "\n"; |
445 |
|
$last = ''; |
446 |
|
} else { |
447 |
|
warn "# ignored $line\n" if ($line); |
448 |
|
$last = ''; |
449 |
|
} |
450 |
|
} |
451 |
|
|
452 |
|
} |
453 |
|
|
454 |
=head1 AUTHOR |
=head1 AUTHOR |
455 |
|
|