3 |
use warnings; |
use warnings; |
4 |
use strict; |
use strict; |
5 |
|
|
6 |
use Carp; |
use Carp qw/confess/; |
7 |
use lib './lib'; |
use lib './lib'; |
8 |
#use Time::HiRes qw(time); |
#use Time::HiRes qw(time); |
9 |
use File::Slurp; |
use File::Slurp; |
10 |
use Data::Dump qw/dump/; |
use Data::Dump qw/dump/; |
11 |
use M6502; |
use M6502; |
12 |
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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)); |
15 |
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|
16 |
=head1 NAME |
=head1 NAME |
17 |
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|
33 |
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|
34 |
=head2 init |
=head2 init |
35 |
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|
36 |
Start emulator |
Start emulator, open L<Screen>, load initial ROM images, and render memory |
37 |
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|
38 |
=cut |
=cut |
39 |
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|
46 |
warn "Orao calling upstream init\n"; |
warn "Orao calling upstream init\n"; |
47 |
$self->SUPER::init( $self, @_ ); |
$self->SUPER::init( $self, @_ ); |
48 |
|
|
49 |
warn "staring Orao $Orao::VERSION emulation\n"; |
warn "Orao $Orao::VERSION emulation starting\n"; |
50 |
|
|
51 |
$self->open_screen; |
$self->open_screen; |
52 |
$self->load_rom({ |
$self->load_rom({ |
53 |
0x1000 => 'dump/SCRINV.BIN', |
0x1000 => 'dump/SCRINV.BIN', |
54 |
|
# should be 0x6000, but oraoemu has 2 byte prefix |
55 |
|
0x5FFE => 'dump/screen.dmp', |
56 |
0xC000 => 'rom/BAS12.ROM', |
0xC000 => 'rom/BAS12.ROM', |
57 |
0xE000 => 'rom/CRT12.ROM', |
0xE000 => 'rom/CRT12.ROM', |
58 |
}); |
}); |
59 |
|
|
60 |
$PC = 0xDD11; # BC |
# $PC = 0xDD11; # BC |
61 |
# $PC = 0xC274; # MC |
# $PC = 0xC274; # MC |
62 |
|
|
63 |
$orao = $self; |
$orao = $self; |
64 |
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|
65 |
# $self->prompt( 0x1000 ); |
# $self->prompt( 0x1000 ); |
66 |
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|
67 |
my $trace = $self->trace; |
my ( $trace, $debug ) = ( $self->trace, $self->debug ); |
68 |
$self->trace( 0 ); |
$self->trace( 0 ); |
69 |
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$self->debug( 0 ); |
70 |
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71 |
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$self->render( @mem[ 0x6000 .. 0x7fff ] ); |
72 |
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|
73 |
if ( $self->show_mem ) { |
if ( $self->show_mem ) { |
74 |
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|
75 |
warn "rendering memory map\n"; |
warn "rendering memory map\n"; |
76 |
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|
77 |
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$self->render_mem( @mem ); |
78 |
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|
79 |
my @mmap = ( |
my @mmap = ( |
80 |
0x0000, 0x03FF, 'nulti blok', |
0x0000, 0x03FF, 'nulti blok', |
81 |
0x0400, 0x5FFF, 'korisnički RAM (23K)', |
0x0400, 0x5FFF, 'korisnički RAM (23K)', |
87 |
0xE000, 0xFFFF, 'sistemski ROM', |
0xE000, 0xFFFF, 'sistemski ROM', |
88 |
); |
); |
89 |
|
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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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90 |
} else { |
} else { |
91 |
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|
92 |
warn "rendering video memory\n"; |
warn "rendering video memory\n"; |
93 |
for my $a ( 0x6000 .. 0x7fff ) { |
$self->render( @mem[ 0x6000 .. 0x7fff ] ); |
|
$self->vram( $a - 0x6000, $mem[$a] ); |
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} |
|
94 |
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95 |
} |
} |
96 |
$self->sync; |
$self->sync; |
97 |
$self->trace( $trace ); |
$self->trace( $trace ); |
98 |
|
$self->debug( $debug ); |
99 |
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|
100 |
#( $A, $P, $X, $Y, $S, $IPeriod ) = ( 1, 2, 3, 4, 5, 6 ); |
#( $A, $P, $X, $Y, $S, $IPeriod ) = ( 1, 2, 3, 4, 5, 6 ); |
101 |
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|
102 |
warn "Orao init finished", $self->trace ? ' trace on' : '', "\n"; |
warn "Orao init finished", |
103 |
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$self->trace ? ' trace' : '', |
104 |
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$self->debug ? ' debug' : '', |
105 |
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"\n"; |
106 |
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|
107 |
} |
} |
108 |
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125 |
} |
} |
126 |
} |
} |
127 |
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128 |
|
# write chunk directly into memory, updateing vram if needed |
|
=head2 load_oraoemu |
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=cut |
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129 |
sub _write_chunk { |
sub _write_chunk { |
130 |
my $self = shift; |
my $self = shift; |
131 |
my ( $addr, $chunk ) = @_; |
my ( $addr, $chunk ) = @_; |
142 |
$t = $end if ( $end < $t ); |
$t = $end if ( $end < $t ); |
143 |
|
|
144 |
warn sprintf("refresh video ram %04x-%04x\n", $f, $t); |
warn sprintf("refresh video ram %04x-%04x\n", $f, $t); |
145 |
foreach my $a ( $f .. $t ) { |
# foreach my $a ( $f .. $t ) { |
146 |
$self->vram( $a - 0x6000 , $mem[ $a ] ); |
# $self->vram( $a - 0x6000 , $mem[ $a ] ); |
147 |
} |
# } |
148 |
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$self->render( @mem[ 0x6000 .. 0x7fff ] ); |
149 |
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$self->render_mem( @mem ) if $self->show_mem; |
150 |
} |
} |
151 |
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152 |
|
=head2 load_oraoemu |
153 |
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154 |
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Load binary files, ROM images and Orao Emulator files |
155 |
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156 |
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$orao->load_oraoemu( '/path/to/file', 0x1000 ); |
157 |
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158 |
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Returns true on success. |
159 |
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160 |
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=cut |
161 |
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162 |
sub load_oraoemu { |
sub load_oraoemu { |
163 |
my $self = shift; |
my $self = shift; |
164 |
my ( $path, $addr ) = @_; |
my ( $path, $addr ) = @_; |
165 |
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|
166 |
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if ( ! -e $path ) { |
167 |
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warn "ERROR: file $path doesn't exist\n"; |
168 |
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return; |
169 |
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} |
170 |
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171 |
my $size = -s $path || confess "no size for $path: $!"; |
my $size = -s $path || confess "no size for $path: $!"; |
172 |
|
|
173 |
my $buff = read_file( $path ); |
my $buff = read_file( $path ); |
176 |
$addr = 0; |
$addr = 0; |
177 |
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; |
178 |
$self->_write_chunk( $addr, substr($buff,2) ); |
$self->_write_chunk( $addr, substr($buff,2) ); |
179 |
return; |
return 1; |
180 |
} elsif ( $size == 32800 ) { |
} elsif ( $size == 32800 ) { |
181 |
$addr = 0; |
$addr = 0; |
182 |
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; |
183 |
$self->_write_chunk( $addr, substr($buff,0x20) ); |
$self->_write_chunk( $addr, substr($buff,0x20) ); |
184 |
return; |
return 1; |
185 |
} |
} |
186 |
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; |
187 |
return $self->_write_chunk( $addr, $buff ); |
$self->_write_chunk( $addr, $buff ); |
188 |
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return 1; |
189 |
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|
190 |
my $chunk; |
my $chunk; |
191 |
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203 |
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|
204 |
$self->_write_chunk( $addr, $chunk ); |
$self->_write_chunk( $addr, $chunk ); |
205 |
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206 |
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return 1; |
207 |
}; |
}; |
208 |
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209 |
=head2 save_dump |
=head2 save_dump |
240 |
return sprintf(" %04x %s\n", $a, |
return sprintf(" %04x %s\n", $a, |
241 |
join(" ", |
join(" ", |
242 |
map { |
map { |
243 |
sprintf( "%02x", $_ ) |
if ( defined($_) ) { |
244 |
|
sprintf( "%02x", $_ ) |
245 |
|
} else { |
246 |
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' ' |
247 |
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} |
248 |
} @mem[ $a .. $a+8 ] |
} @mem[ $a .. $a+8 ] |
249 |
) |
) |
250 |
); |
); |
251 |
} |
} |
252 |
|
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=head2 prompt |
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$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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$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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253 |
=head1 Memory management |
=head1 Memory management |
254 |
|
|
255 |
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 |
291 |
$self->vram( $addr - 0x6000 , $byte ); |
$self->vram( $addr - 0x6000 , $byte ); |
292 |
} |
} |
293 |
|
|
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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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} |
|
294 |
if ( $addr == 0x8800 ) { |
if ( $addr == 0x8800 ) { |
295 |
warn sprintf "sound ignored: %x\n", $byte; |
warn sprintf "sound ignored: %x\n", $byte; |
296 |
} |
} |
297 |
|
|
298 |
|
if ( $addr > 0xafff ) { |
299 |
|
warn sprintf "write access 0x%04x > 0xafff aborting\n", $addr; |
300 |
|
return; |
301 |
|
} |
302 |
|
|
303 |
$self->mmap_pixel( $addr, $byte, 0, 0 ); |
$self->mmap_pixel( $addr, $byte, 0, 0 ); |
304 |
|
|
305 |
$mem[$addr] = $byte; |
$mem[$addr] = $byte; |
311 |
Command-line debugging intrerface is implemented for communication with |
Command-line debugging intrerface is implemented for communication with |
312 |
emulated device |
emulated device |
313 |
|
|
314 |
|
=head2 prompt |
315 |
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|
316 |
|
my ( $entered_line, @p ) = $orao->prompt( $address, $last_command ); |
317 |
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|
318 |
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=cut |
319 |
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|
320 |
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my $last = 'r 1'; |
321 |
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|
322 |
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sub prompt { |
323 |
|
my $self = shift; |
324 |
|
$self->app->sync; |
325 |
|
my $a = shift; |
326 |
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print STDERR $self->hexdump( $a ), |
327 |
|
$last ? "[$last] " : '', |
328 |
|
"> "; |
329 |
|
my $in = <STDIN>; |
330 |
|
chomp($in); |
331 |
|
warn "## prompt got: $in\n" if $self->debug; |
332 |
|
$in ||= $last; |
333 |
|
$last = $in; |
334 |
|
return ( $in, split(/\s+/, $in) ) if $in; |
335 |
|
} |
336 |
|
|
337 |
=head2 cli |
=head2 cli |
338 |
|
|
339 |
$orao->cli(); |
$orao->cli(); |
340 |
|
|
341 |
=cut |
=cut |
342 |
|
|
343 |
my $last = 'r 1'; |
my $show_R = 0; |
344 |
|
|
345 |
sub cli { |
sub cli { |
346 |
my $self = shift; |
my $self = shift; |
347 |
my $a = $PC || confess "no pc?"; |
my $a = $PC || confess "no pc?"; |
348 |
while ( my @v = $self->prompt( $a, $last ) ) { |
warn $self->dump_R() if $show_R; |
349 |
|
while ( my ($line, @v) = $self->prompt( $a, $last ) ) { |
350 |
my $c = shift @v; |
my $c = shift @v; |
351 |
|
next unless defined($c); |
352 |
my $v = shift @v; |
my $v = shift @v; |
353 |
$v = hex($v) if $v && $v =~ m/^[0-9a-f]+$/; |
$v = hex($v) if $v && $v =~ m/^[0-9a-f]+$/; |
|
printf "## [%s] %s\n", ($v || 'undef'), join(",",@v) if $self->debug; |
|
354 |
@v = map { hex($_) } @v; |
@v = map { hex($_) } @v; |
355 |
|
printf "## a: %04x parsed cli: c:%s v:%s %s\n", $a, $c, ($v || 'undef'), join(",",@v) if $self->debug; |
356 |
if ( $c =~ m/^[qx]/i ) { |
if ( $c =~ m/^[qx]/i ) { |
357 |
exit; |
exit; |
358 |
} elsif ( $c eq '?' ) { |
} elsif ( $c eq '?' ) { |
359 |
|
my $t = $self->trace ? 'on' : 'off' ; |
360 |
|
my $d = $self->debug ? 'on' : 'off' ; |
361 |
warn <<__USAGE__; |
warn <<__USAGE__; |
362 |
uage: |
Usage: |
363 |
|
|
364 |
x|q\t\texit |
x|q\t\texit |
365 |
e 6000 6010\tdump memory, +/- to walk forward/backward |
e 6000 6010\tdump memory, +/- to walk forward/backward |
366 |
m 1000 ff 00\tput ff 00 on 1000 |
m 1000 ff 00\tput ff 00 on 1000 |
367 |
j|u 1000\t\tjump (change pc) |
j|u 1000\t\tjump (change pc) |
368 |
r 42\t\trun 42 instruction opcodes |
r 42\t\trun 42 instruction opcodes |
369 |
|
t\t\ttrace [$t] |
370 |
|
d\t\tdebug [$d] |
371 |
|
|
372 |
__USAGE__ |
__USAGE__ |
373 |
|
warn $self->dump_R; |
374 |
} elsif ( $c =~ m/^e/i ) { |
} elsif ( $c =~ m/^e/i ) { |
375 |
$a ||= $v; |
$a = $v if defined($v); |
376 |
my $to = shift @v; |
my $to = shift @v; |
377 |
$to = $a + 32 if ( ! $to || $to <= $a ); |
$to = $a + 32 if ( ! $to || $to <= $a ); |
378 |
my $lines = int( ($to - $a - 8) / 8 ); |
$to = 0xffff if ( $to > 0xffff ); |
379 |
printf "## m %04x %04x lines: %d\n", $a, $to, $lines; |
my $lines = int( ($to - $a + 8) / 8 ); |
380 |
while ( $lines ) { |
printf "## e %04x %04x (%d bytes) lines: %d\n", $a, $to, ($to-$a), $lines; |
381 |
|
while ( --$lines ) { |
382 |
print $self->hexdump( $a ); |
print $self->hexdump( $a ); |
383 |
$a += 8; |
$a += 8; |
|
$lines--; |
|
384 |
} |
} |
385 |
$last = '+'; |
$last = '+'; |
386 |
|
$show_R = 0; |
387 |
} elsif ( $c =~ m/^\+/ ) { |
} elsif ( $c =~ m/^\+/ ) { |
388 |
$a += 8; |
$a += 8; |
389 |
|
$show_R = 0; |
390 |
} elsif ( $c =~ m/^\-/ ) { |
} elsif ( $c =~ m/^\-/ ) { |
391 |
$a -= 8; |
$a -= 8; |
392 |
|
$show_R = 0; |
393 |
} elsif ( $c =~ m/^m/i ) { |
} elsif ( $c =~ m/^m/i ) { |
394 |
$a = $v; |
$a = $v if defined($v); |
395 |
$self->poke_code( $a, @v ); |
$self->poke_code( $a, @v ); |
396 |
printf "poke %d bytes at %04x\n", $#v + 1, $a; |
printf "poke %d bytes at %04x\n", $#v + 1, $a; |
397 |
|
$last = '+'; |
398 |
|
$show_R = 0; |
399 |
} elsif ( $c =~ m/^l/i ) { |
} elsif ( $c =~ m/^l/i ) { |
400 |
my $to = shift @v || 0x1000; |
my $to = shift @v || 0x1000; |
401 |
$a = $to; |
$a = $to; |
402 |
$self->load_oraoemu( $v, $a ); |
$self->load_oraoemu( $v, $a ); |
403 |
|
$last = ''; |
404 |
} elsif ( $c =~ m/^s/i ) { |
} elsif ( $c =~ m/^s/i ) { |
405 |
$self->save_dump( $v || 'mem.dump', @v ); |
$self->save_dump( $v || 'mem.dump', @v ); |
406 |
|
$last = ''; |
407 |
} elsif ( $c =~ m/^r/i ) { |
} elsif ( $c =~ m/^r/i ) { |
408 |
$run_for = $v || 1; |
$run_for = $v || 1; |
409 |
print "run_for $run_for instructions\n"; |
print "run_for $run_for instructions\n"; |
410 |
|
$show_R = 1; |
411 |
last; |
last; |
412 |
} elsif ( $c =~ m/^(u|j)/ ) { |
} elsif ( $c =~ m/^(u|j)/ ) { |
413 |
my $to = $v || $a; |
my $to = $v || $a; |
414 |
printf "set pc to %04x\n", $to; |
printf "set pc to %04x\n", $to; |
415 |
$PC = $to; # remember for restart |
$PC = $to; # remember for restart |
416 |
$run_for = 1; |
$run_for = 1; |
417 |
|
$last = "r $run_for"; |
418 |
|
$show_R = 1; |
419 |
last; |
last; |
420 |
} elsif ( $c =~ m/^t/ ) { |
} elsif ( $c =~ m/^t/ ) { |
421 |
$self->trace( not $self->trace ); |
$self->trace( not $self->trace ); |
422 |
print "trace ", $self->trace ? 'on' : 'off', "\n"; |
print "trace ", $self->trace ? 'on' : 'off', "\n"; |
423 |
|
$last = ''; |
424 |
|
} elsif ( $c =~ m/^d/ ) { |
425 |
|
$self->debug( not $self->debug ); |
426 |
|
print "debug ", $self->debug ? 'on' : 'off', "\n"; |
427 |
|
$last = ''; |
428 |
} else { |
} else { |
429 |
warn "# ignore $c\n"; |
warn "# ignored $line\n" if ($line); |
430 |
last; |
$last = ''; |
431 |
} |
} |
432 |
} |
} |
433 |
|
|
|
|
|
434 |
} |
} |
435 |
|
|
436 |
=head1 AUTHOR |
=head1 AUTHOR |