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 |
|
|
13 |
use base qw(Class::Accessor M6502 Screen); |
use base qw(Class::Accessor VRac M6502 Screen Prefs Tape); |
14 |
__PACKAGE__->mk_accessors(qw(debug trace run_for mem_dump trace)); |
#__PACKAGE__->mk_accessors(qw()); |
15 |
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16 |
=head1 NAME |
=head1 NAME |
17 |
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19 |
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20 |
=head1 VERSION |
=head1 VERSION |
21 |
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|
22 |
Version 0.02 |
Version 0.04 |
23 |
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|
24 |
=cut |
=cut |
25 |
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|
26 |
our $VERSION = '0.02'; |
our $VERSION = '0.04'; |
27 |
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28 |
=head1 SUMMARY |
=head1 SUMMARY |
29 |
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31 |
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32 |
=cut |
=cut |
33 |
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34 |
=head2 init |
=head1 FUNCTIONS |
35 |
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|
36 |
Start emulator |
=head2 boot |
37 |
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38 |
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Start emulator, open L<Screen>, load initial ROM images, and render memory |
39 |
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40 |
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my $emu = Orao->new({}); |
41 |
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$emu->boot; |
42 |
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43 |
=cut |
=cut |
44 |
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|
45 |
our $orao; |
our $emu; |
46 |
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|
47 |
select(STDERR); $| = 1; |
select(STDERR); $| = 1; |
48 |
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|
49 |
sub init { |
sub boot { |
50 |
my $self = shift; |
my $self = shift; |
51 |
warn "Orao calling upstream init\n"; |
warn "Orao calling upstream init\n"; |
52 |
$self->SUPER::init( $self, @_ ); |
$self->SUPER::init( |
53 |
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read => sub { $self->read( @_ ) }, |
54 |
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write => sub { $self->write( @_ ) }, |
55 |
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); |
56 |
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|
57 |
warn "staring Orao $Orao::VERSION emulation\n"; |
warn "Orao $Orao::VERSION emulation starting\n"; |
58 |
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59 |
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warn "emulating ", $#mem, " bytes of memory\n"; |
60 |
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|
61 |
$self->open_screen; |
$self->open_screen; |
62 |
$self->load_rom({ |
$self->load_rom({ |
63 |
0x1000 => 'dump/SCRINV.BIN', |
# 0x1000 => 'dump/SCRINV.BIN', |
64 |
0xC000 => 'rom/BAS12.ROM', |
# should be 0x6000, but oraoemu has 2 byte prefix |
65 |
0xE000 => 'rom/CRT12.ROM', |
# 0x5FFE => 'dump/screen.dmp', |
66 |
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# 0xC000 => 'rom/Orao/BAS12.ROM', |
67 |
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# 0xE000 => 'rom/Orao/CRT12.ROM', |
68 |
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0xC000 => 'rom/Orao/BAS13.ROM', |
69 |
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0xE000 => 'rom/Orao/CRT13.ROM', |
70 |
}); |
}); |
71 |
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|
72 |
$PC = 0xDD11; # BC |
# $PC = 0xDD11; # BC |
73 |
# $PC = 0xC274; # MC |
# $PC = 0xC274; # MC |
74 |
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|
75 |
$orao = $self; |
$PC = 0xff89; |
76 |
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77 |
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$emu = $self; |
78 |
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|
79 |
# $self->prompt( 0x1000 ); |
# $self->prompt( 0x1000 ); |
80 |
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|
82 |
$self->trace( 0 ); |
$self->trace( 0 ); |
83 |
$self->debug( 0 ); |
$self->debug( 0 ); |
84 |
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85 |
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warn "rendering video memory\n"; |
86 |
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$self->render_vram( @mem[ 0x6000 .. 0x7fff ] ); |
87 |
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|
88 |
if ( $self->show_mem ) { |
if ( $self->show_mem ) { |
89 |
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90 |
warn "rendering memory map\n"; |
warn "rendering memory map\n"; |
91 |
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92 |
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$self->render_mem( @mem ); |
93 |
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94 |
my @mmap = ( |
my @mmap = ( |
95 |
0x0000, 0x03FF, 'nulti blok', |
0x0000, 0x03FF, 'nulti blok', |
96 |
0x0400, 0x5FFF, 'korisnički RAM (23K)', |
0x0400, 0x5FFF, 'korisnički RAM (23K)', |
102 |
0xE000, 0xFFFF, 'sistemski ROM', |
0xE000, 0xFFFF, 'sistemski ROM', |
103 |
); |
); |
104 |
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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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} else { |
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warn "rendering video memory\n"; |
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for my $a ( 0x6000 .. 0x7fff ) { |
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$self->vram( $a - 0x6000, $mem[$a] ); |
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} |
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105 |
} |
} |
106 |
$self->sync; |
$self->sync; |
107 |
$self->trace( $trace ); |
$self->trace( $trace ); |
109 |
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|
110 |
#( $A, $P, $X, $Y, $S, $IPeriod ) = ( 1, 2, 3, 4, 5, 6 ); |
#( $A, $P, $X, $Y, $S, $IPeriod ) = ( 1, 2, 3, 4, 5, 6 ); |
111 |
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|
112 |
warn "Orao init finished", |
warn "Orao boot finished", |
113 |
$self->trace ? ' trace' : '', |
$self->trace ? ' trace' : '', |
114 |
$self->debug ? ' debug' : '', |
$self->debug ? ' debug' : '', |
115 |
"\n"; |
"\n"; |
116 |
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117 |
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M6502::reset(); |
118 |
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119 |
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$self->booted( 1 ); |
120 |
} |
} |
121 |
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122 |
=head2 load_rom |
=head2 run |
123 |
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124 |
called to init memory and load initial rom images |
Run interactive emulation loop |
125 |
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126 |
$orao->load_rom; |
$emu->run; |
127 |
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128 |
=cut |
=cut |
129 |
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130 |
sub load_rom { |
sub run { |
131 |
my ($self, $loaded_files) = @_; |
my $self = shift; |
132 |
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|
133 |
#my $time_base = time(); |
$self->boot if ( ! $self->booted ); |
134 |
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|
135 |
foreach my $addr ( sort keys %$loaded_files ) { |
# $self->load_tape( '../oraoigre/bdash.tap' ); |
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my $path = $loaded_files->{$addr}; |
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$self->load_oraoemu( $path, $addr ); |
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} |
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} |
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136 |
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137 |
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$self->loop; |
138 |
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}; |
139 |
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140 |
=head2 load_oraoemu |
=head1 Helper functions |
141 |
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|
142 |
=cut |
=cut |
143 |
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144 |
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# write chunk directly into memory, updateing vram if needed |
145 |
sub _write_chunk { |
sub _write_chunk { |
146 |
my $self = shift; |
my $self = shift; |
147 |
my ( $addr, $chunk ) = @_; |
my ( $addr, $chunk ) = @_; |
158 |
$t = $end if ( $end < $t ); |
$t = $end if ( $end < $t ); |
159 |
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|
160 |
warn sprintf("refresh video ram %04x-%04x\n", $f, $t); |
warn sprintf("refresh video ram %04x-%04x\n", $f, $t); |
161 |
foreach my $a ( $f .. $t ) { |
$self->render_vram( @mem[ 0x6000 .. 0x7fff ] ); |
162 |
$self->vram( $a - 0x6000 , $mem[ $a ] ); |
$self->render_mem( @mem ) if $self->show_mem; |
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} |
|
163 |
} |
} |
164 |
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165 |
sub load_oraoemu { |
=head2 load_image |
166 |
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167 |
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Load binary files, ROM images and Orao Emulator files |
168 |
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169 |
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$emu->load_image( '/path/to/file', 0x1000 ); |
170 |
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171 |
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Returns true on success. |
172 |
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173 |
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=cut |
174 |
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175 |
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sub load_image { |
176 |
my $self = shift; |
my $self = shift; |
177 |
my ( $path, $addr ) = @_; |
my ( $path, $addr ) = @_; |
178 |
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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"; |
181 |
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return; |
182 |
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} |
183 |
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184 |
my $size = -s $path || confess "no size for $path: $!"; |
my $size = -s $path || confess "no size for $path: $!"; |
185 |
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|
186 |
my $buff = read_file( $path ); |
my $buff = read_file( $path ); |
189 |
$addr = 0; |
$addr = 0; |
190 |
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; |
191 |
$self->_write_chunk( $addr, substr($buff,2) ); |
$self->_write_chunk( $addr, substr($buff,2) ); |
192 |
return; |
return 1; |
193 |
} elsif ( $size == 32800 ) { |
} elsif ( $size == 32800 ) { |
194 |
$addr = 0; |
$addr = 0; |
195 |
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; |
196 |
$self->_write_chunk( $addr, substr($buff,0x20) ); |
$self->_write_chunk( $addr, substr($buff,0x20) ); |
197 |
return; |
return 1; |
198 |
} |
} |
199 |
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; |
200 |
return $self->_write_chunk( $addr, $buff ); |
$self->_write_chunk( $addr, $buff ); |
201 |
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return 1; |
202 |
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|
203 |
my $chunk; |
my $chunk; |
204 |
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|
216 |
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|
217 |
$self->_write_chunk( $addr, $chunk ); |
$self->_write_chunk( $addr, $chunk ); |
218 |
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219 |
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return 1; |
220 |
}; |
}; |
221 |
|
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=head2 save_dump |
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$orao->save_dump( 'filename', $from, $to ); |
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=cut |
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sub save_dump { |
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my $self = shift; |
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my ( $path, $from, $to ) = @_; |
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$from ||= 0; |
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$to ||= 0xffff; |
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open(my $fh, '>', $path) || die "can't open $path: $!"; |
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print $fh $self->read_chunk( $from, $to ); |
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close($fh); |
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my $size = -s $path; |
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warn sprintf "saved %s %d %x bytes\n", $path, $size, $size; |
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} |
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=head2 hexdump |
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$orao->hexdump( $address ); |
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=cut |
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sub hexdump { |
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my $self = shift; |
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my $a = shift; |
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return sprintf(" %04x %s\n", $a, |
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join(" ", |
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map { |
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sprintf( "%02x", $_ ) |
|
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} @mem[ $a .. $a+8 ] |
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) |
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); |
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} |
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=head2 prompt |
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$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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} |
|
222 |
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|
223 |
=head1 Memory management |
=head1 Memory management |
224 |
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|
235 |
|
|
236 |
=cut |
=cut |
237 |
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|
238 |
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my $keyboard_none = 255; |
239 |
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|
240 |
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my $keyboard = { |
241 |
|
0x87FC => { |
242 |
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'right' => 16, |
243 |
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'down' => 128, |
244 |
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'up' => 192, |
245 |
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'left' => 224, |
246 |
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'backspace' => 224, |
247 |
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}, |
248 |
|
0x87FD => sub { |
249 |
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my ( $self, $key ) = @_; |
250 |
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if ( $key eq 'return' ) { |
251 |
|
M6502::_write( 0xfc, 13 ); |
252 |
|
warn "return\n"; |
253 |
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return 0; |
254 |
|
} elsif ( $key =~ m/ ctrl/ || $self->key_down( 'left ctrl' ) || $self->key_down( 'right ctrl' ) ) { |
255 |
|
warn "ctrl\n"; |
256 |
|
return 16; |
257 |
|
} |
258 |
|
return $keyboard_none; |
259 |
|
}, |
260 |
|
0x87FA => { |
261 |
|
'f4' => 16, |
262 |
|
'f3' => 128, |
263 |
|
'f2' => 192, |
264 |
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'f1' => 224, |
265 |
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}, |
266 |
|
0x87FB => sub { |
267 |
|
my ( $self, $key ) = @_; |
268 |
|
if ( $key eq 'space' ) { |
269 |
|
return 32; |
270 |
|
} elsif ( $self->key_down( 'left shift' ) || $self->key_down( 'right shift' ) ) { |
271 |
|
warn "shift\n"; |
272 |
|
return 16; |
273 |
|
# } elsif ( $self->tape ) { |
274 |
|
# warn "has tape!"; |
275 |
|
# return 0; |
276 |
|
} |
277 |
|
return $keyboard_none; |
278 |
|
}, |
279 |
|
0x87F6 => { |
280 |
|
'6' => 16, |
281 |
|
't' => 128, |
282 |
|
'y' => 192, # hr: z |
283 |
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'r' => 224, |
284 |
|
}, |
285 |
|
0x87F7 => { |
286 |
|
'5' => 32, |
287 |
|
'4' => 16, |
288 |
|
}, |
289 |
|
0x87EE => { |
290 |
|
'7' => 16, |
291 |
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'u' => 128, |
292 |
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'i' => 192, |
293 |
|
'o' => 224, |
294 |
|
}, |
295 |
|
0x87EF => { |
296 |
|
'8' => 32, |
297 |
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'9' => 16, |
298 |
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}, |
299 |
|
0x87DE => { |
300 |
|
'1' => 16, |
301 |
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'w' => 128, |
302 |
|
'q' => 192, |
303 |
|
'e' => 224, |
304 |
|
}, |
305 |
|
0x87DF => { |
306 |
|
'2' => 32, |
307 |
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'3' => 16, |
308 |
|
}, |
309 |
|
0x87BE => { |
310 |
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'm' => 16, |
311 |
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'k' => 128, |
312 |
|
'j' => 192, |
313 |
|
'l' => 224, |
314 |
|
}, |
315 |
|
0x87BF => { |
316 |
|
',' => 32, # < |
317 |
|
'.' => 16, # > |
318 |
|
}, |
319 |
|
0x877E => { |
320 |
|
'z' => 16, # hr:y |
321 |
|
's' => 128, |
322 |
|
'a' => 192, |
323 |
|
'd' => 224, |
324 |
|
}, |
325 |
|
0x877F => { |
326 |
|
'x' => 32, |
327 |
|
'c' => 16, |
328 |
|
}, |
329 |
|
0x86FE => { |
330 |
|
'n' => 16, |
331 |
|
'g' => 128, |
332 |
|
'h' => 192, |
333 |
|
'f' => 224, |
334 |
|
}, |
335 |
|
0x86FF => { |
336 |
|
'b' => 32, |
337 |
|
'v' => 16, |
338 |
|
}, |
339 |
|
0x85FE => { |
340 |
|
'<' => 16, # : |
341 |
|
'\\' => 128, # ¾ |
342 |
|
'\'' => 192, # ę |
343 |
|
';' => 224, # č |
344 |
|
}, |
345 |
|
0x85FF => { |
346 |
|
'/' => 32, |
347 |
|
'f11' => 16, # ^ |
348 |
|
}, |
349 |
|
0x83FE => { |
350 |
|
'f12' => 16, # ; |
351 |
|
'[' => 128, # ¹ |
352 |
|
']' => 192, # š |
353 |
|
'p' => 224, |
354 |
|
}, |
355 |
|
0x83FF => { |
356 |
|
'-' => 32, |
357 |
|
'0' => 16, |
358 |
|
}, |
359 |
|
}; |
360 |
|
|
361 |
sub read { |
sub read { |
362 |
my $self = shift; |
my $self = shift; |
363 |
my ($addr) = @_; |
my ($addr) = @_; |
364 |
my $byte = $mem[$addr]; |
my $byte = $mem[$addr]; |
365 |
|
confess sprintf("can't find memory at address %04x",$addr) unless defined($byte); |
366 |
warn sprintf("# Orao::read(%04x) = %02x\n", $addr, $byte) if $self->trace; |
warn sprintf("# Orao::read(%04x) = %02x\n", $addr, $byte) if $self->trace; |
367 |
|
|
368 |
|
# keyboard |
369 |
|
|
370 |
|
if ( defined( $keyboard->{$addr} ) ) { |
371 |
|
warn sprintf("keyboard port: %04x\n",$addr) if $self->trace; |
372 |
|
my $key = $self->key_pressed; |
373 |
|
if ( defined($key) ) { |
374 |
|
my $ret = $keyboard_none; |
375 |
|
my $r = $keyboard->{$addr} || confess "no definition for keyboard port found"; |
376 |
|
if ( ref($r) eq 'CODE' ) { |
377 |
|
$ret = $r->($self, $key); |
378 |
|
} elsif ( defined($r->{$key}) ) { |
379 |
|
$ret = $r->{$key}; |
380 |
|
if ( ref($ret) eq 'CODE' ) { |
381 |
|
$ret = $ret->($self); |
382 |
|
} |
383 |
|
} else { |
384 |
|
warn sprintf("keyboard port: %04x unknown key: '%s'\n", $addr, $key) if $debug; |
385 |
|
} |
386 |
|
warn sprintf("keyboard port: %04x key:%s code:%d\n",$addr,$key,$ret) if ( $ret != $keyboard_none ); |
387 |
|
return $ret; |
388 |
|
} |
389 |
|
return $keyboard_none; |
390 |
|
} |
391 |
|
|
392 |
|
if ( $addr == 0x87ff ) { |
393 |
|
return $self->read_tape; |
394 |
|
} |
395 |
|
|
396 |
$self->mmap_pixel( $addr, 0, $byte, 0 ); |
$self->mmap_pixel( $addr, 0, $byte, 0 ); |
397 |
return $byte; |
return $byte; |
398 |
} |
} |
410 |
my ($addr,$byte) = @_; |
my ($addr,$byte) = @_; |
411 |
warn sprintf("# Orao::write(%04x,%02x)\n", $addr, $byte) if $self->trace; |
warn sprintf("# Orao::write(%04x,%02x)\n", $addr, $byte) if $self->trace; |
412 |
|
|
413 |
if ( $addr >= 0x6000 && $addr < 0x8000 ) { |
if ( $addr == 0x8800 ) { |
414 |
$self->vram( $addr - 0x6000 , $byte ); |
warn sprintf "sound ignored: %x\n", $byte; |
415 |
} |
} |
416 |
|
|
417 |
if ( $addr > 0xafff ) { |
if ( $addr > 0xafff ) { |
418 |
warn sprintf "access to %04x above affff aborting\n", $addr; |
confess sprintf "write access 0x%04x > 0xafff aborting\n", $addr; |
|
return -1; |
|
|
} |
|
|
if ( $addr == 0x8800 ) { |
|
|
warn sprintf "sound ignored: %x\n", $byte; |
|
419 |
} |
} |
420 |
|
|
421 |
$self->mmap_pixel( $addr, $byte, 0, 0 ); |
$self->mmap_pixel( $addr, $byte, 0, 0 ); |
424 |
return; |
return; |
425 |
} |
} |
426 |
|
|
|
=head1 Command Line |
|
|
|
|
|
Command-line debugging intrerface is implemented for communication with |
|
|
emulated device |
|
|
|
|
|
=head2 cli |
|
|
|
|
|
$orao->cli(); |
|
|
|
|
|
=cut |
|
|
|
|
|
my $last = 'r 1'; |
|
|
|
|
|
sub cli { |
|
|
my $self = shift; |
|
|
my $a = $PC || confess "no pc?"; |
|
|
while ( my @v = $self->prompt( $a, $last ) ) { |
|
|
my $c = shift @v; |
|
|
my $v = shift @v; |
|
|
$v = hex($v) if $v && $v =~ m/^[0-9a-f]+$/; |
|
|
@v = map { hex($_) } @v; |
|
|
printf "## a: %04x parsed cli: c:%s v:%s %s\n", $a, $c, ($v || 'undef'), join(",",@v) if $self->debug; |
|
|
if ( $c =~ m/^[qx]/i ) { |
|
|
exit; |
|
|
} elsif ( $c eq '?' ) { |
|
|
warn <<__USAGE__; |
|
|
uage: |
|
|
x|q\t\texit |
|
|
e 6000 6010\tdump memory, +/- to walk forward/backward |
|
|
m 1000 ff 00\tput ff 00 on 1000 |
|
|
j|u 1000\t\tjump (change pc) |
|
|
r 42\t\trun 42 instruction opcodes |
|
|
t\t\ttrace on/off |
|
|
d\t\tdebug on/off |
|
|
__USAGE__ |
|
|
} elsif ( $c =~ m/^e/i ) { |
|
|
$a = $v if defined($v); |
|
|
my $to = shift @v; |
|
|
$to = $a + 32 if ( ! $to || $to <= $a ); |
|
|
my $lines = int( ($to - $a - 8) / 8 ); |
|
|
printf "## m %04x %04x lines: %d\n", $a, $to, $lines; |
|
|
while ( $lines ) { |
|
|
print $self->hexdump( $a ); |
|
|
$a += 8; |
|
|
$lines--; |
|
|
} |
|
|
$last = '+'; |
|
|
} elsif ( $c =~ m/^\+/ ) { |
|
|
$a += 8; |
|
|
} elsif ( $c =~ m/^\-/ ) { |
|
|
$a -= 8; |
|
|
} elsif ( $c =~ m/^m/i ) { |
|
|
$a = $v; |
|
|
$self->poke_code( $a, @v ); |
|
|
printf "poke %d bytes at %04x\n", $#v + 1, $a; |
|
|
} elsif ( $c =~ m/^l/i ) { |
|
|
my $to = shift @v || 0x1000; |
|
|
$a = $to; |
|
|
$self->load_oraoemu( $v, $a ); |
|
|
} elsif ( $c =~ m/^s/i ) { |
|
|
$self->save_dump( $v || 'mem.dump', @v ); |
|
|
} elsif ( $c =~ m/^r/i ) { |
|
|
$run_for = $v || 1; |
|
|
print "run_for $run_for instructions\n"; |
|
|
last; |
|
|
} elsif ( $c =~ m/^(u|j)/ ) { |
|
|
my $to = $v || $a; |
|
|
printf "set pc to %04x\n", $to; |
|
|
$PC = $to; # remember for restart |
|
|
$run_for = 1; |
|
|
last; |
|
|
} elsif ( $c =~ m/^t/ ) { |
|
|
$self->trace( not $self->trace ); |
|
|
print "trace ", $self->trace ? 'on' : 'off', "\n"; |
|
|
} elsif ( $c =~ m/^d/ ) { |
|
|
$self->debug( not $self->debug ); |
|
|
print "debug ", $self->debug ? 'on' : 'off', "\n"; |
|
|
} else { |
|
|
warn "# ignore $c\n"; |
|
|
last; |
|
|
} |
|
|
} |
|
|
|
|
|
|
|
|
} |
|
|
|
|
427 |
=head1 AUTHOR |
=head1 AUTHOR |
428 |
|
|
429 |
Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >> |
Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >> |