3 |
use warnings; |
use warnings; |
4 |
use strict; |
use strict; |
5 |
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6 |
use Carp; |
use Carp qw/confess/; |
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use lib './lib'; |
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#use Time::HiRes qw(time); |
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7 |
use File::Slurp; |
use File::Slurp; |
8 |
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use Data::Dump qw/dump/; |
9 |
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use M6502; # import @mem $PC and friends |
10 |
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use Screen qw/$white $black/; |
11 |
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12 |
use base qw(Class::Accessor M6502); |
use base qw(Class::Accessor VRac M6502 Screen Prefs Tape); |
13 |
__PACKAGE__->mk_accessors(qw(debug trace run_for mem_dump trace)); |
#__PACKAGE__->mk_accessors(qw()); |
14 |
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15 |
=head1 NAME |
=head1 NAME |
16 |
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18 |
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19 |
=head1 VERSION |
=head1 VERSION |
20 |
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21 |
Version 0.02 |
Version 0.05 |
22 |
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23 |
=cut |
=cut |
24 |
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25 |
our $VERSION = '0.02'; |
our $VERSION = '0.05'; |
26 |
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27 |
=head1 SUMMARY |
=head1 SUMMARY |
28 |
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30 |
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31 |
=cut |
=cut |
32 |
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33 |
my $loaded_files = { |
=head1 FUNCTIONS |
34 |
0xC000 => 'rom/BAS12.ROM', |
|
35 |
0xE000 => 'rom/CRT12.ROM', |
=head2 run |
36 |
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37 |
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Start emulator, open L<Screen>, load initial ROM images, and start emulator loop |
38 |
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39 |
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=cut |
40 |
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41 |
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our $emu; |
42 |
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43 |
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sub run { |
44 |
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my $self = shift; |
45 |
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46 |
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warn "Orao calling upstream init\n"; |
47 |
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$self->SUPER::init( |
48 |
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read => sub { $self->read( @_ ) }, |
49 |
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write => sub { $self->write( @_ ) }, |
50 |
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); |
51 |
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52 |
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warn "Orao $Orao::VERSION emulation starting\n"; |
53 |
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54 |
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warn "emulating ", $#mem, " bytes of memory\n"; |
55 |
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56 |
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# $self->scale( 2 ); |
57 |
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$self->show_mem( 1 ); |
58 |
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59 |
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$self->open_screen; |
60 |
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$self->load_rom({ |
61 |
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# 0x1000 => 'dump/SCRINV.BIN', |
62 |
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# should be 0x6000, but oraoemu has 2 byte prefix |
63 |
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# 0x5FFE => '/home/dpavlin/orao/dump/screen.dmp', |
64 |
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# 0xC000 => 'rom/Orao/BAS12.ROM', |
65 |
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# 0xE000 => 'rom/Orao/CRT12.ROM', |
66 |
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0xC000 => 'rom/Orao/BAS13.ROM', |
67 |
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0xE000 => 'rom/Orao/CRT13.ROM', |
68 |
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}); |
69 |
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70 |
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# $PC = 0xDD11; # BC |
71 |
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# $PC = 0xC274; # MC |
72 |
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73 |
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$PC = 0xff89; |
74 |
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75 |
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$emu = $self; |
76 |
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77 |
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# $self->prompt( 0x1000 ); |
78 |
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79 |
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my ( $trace, $debug ) = ( $self->trace, $self->debug ); |
80 |
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$self->trace( 0 ); |
81 |
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$self->debug( 0 ); |
82 |
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83 |
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warn "rendering memory\n"; |
84 |
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$self->render_mem( @mem ); |
85 |
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86 |
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if ( $self->show_mem ) { |
87 |
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88 |
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my @mmap = ( |
89 |
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0x0000, 0x03FF, 'nulti blok', |
90 |
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0x0400, 0x5FFF, 'korisnički RAM (23K)', |
91 |
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0x6000, 0x7FFF, 'video RAM', |
92 |
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0x8000, 0x9FFF, 'sistemske lokacije', |
93 |
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0xA000, 0xAFFF, 'ekstenzija', |
94 |
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0xB000, 0xBFFF, 'DOS', |
95 |
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0xC000, 0xDFFF, 'BASIC ROM', |
96 |
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0xE000, 0xFFFF, 'sistemski ROM', |
97 |
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); |
98 |
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99 |
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print "Orao memory map:"; |
100 |
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101 |
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while ( @mmap ) { |
102 |
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my ( $from, $to, $desc ) = splice(@mmap, 0, 3); |
103 |
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printf("%04x-%04x %s\n", $from, $to, $desc); |
104 |
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} |
105 |
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106 |
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} |
107 |
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108 |
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$self->trace( $trace ); |
109 |
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$self->debug( $debug ); |
110 |
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111 |
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warn "Orao boot finished", |
112 |
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$self->trace ? ' trace' : '', |
113 |
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$self->debug ? ' debug' : '', |
114 |
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"\n"; |
115 |
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116 |
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M6502::reset(); |
117 |
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118 |
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# $self->load_tape( '../oraoigre/bdash.tap' ); |
119 |
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120 |
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$self->loop( sub { |
121 |
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my $run_for = shift; |
122 |
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warn sprintf("about to exec from PC %04x for %d cycles\n", $PC, $run_for) if $self->trace; |
123 |
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M6502::exec( $run_for ); |
124 |
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$self->render_vram; |
125 |
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}); |
126 |
}; |
}; |
127 |
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=head2 load_rom |
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128 |
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129 |
called to init memory and load initial rom images |
=head1 Helper functions |
130 |
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131 |
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=head2 write_chunk |
132 |
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133 |
$orao->load_rom; |
Write chunk directly into memory, updateing vram if needed |
134 |
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135 |
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$emu->write_chunk( 0x1000, $chunk_data ); |
136 |
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137 |
=cut |
=cut |
138 |
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139 |
sub load_rom { |
sub write_chunk { |
140 |
my ($self) = @_; |
my $self = shift; |
141 |
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my ( $addr, $chunk ) = @_; |
142 |
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$self->SUPER::write_chunk( $addr, $chunk ); |
143 |
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my $end = $addr + length($chunk); |
144 |
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my ( $f, $t ) = ( 0x6000, 0x7fff ); |
145 |
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146 |
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if ( $end < $f || $addr >= $t ) { |
147 |
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warn "skip vram update\n"; |
148 |
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return; |
149 |
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}; |
150 |
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151 |
#my $time_base = time(); |
$f = $addr if ( $addr > $f ); |
152 |
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$t = $end if ( $end < $t ); |
153 |
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154 |
foreach my $addr ( sort keys %$loaded_files ) { |
warn sprintf("refresh video ram %04x-%04x\n", $f, $t); |
155 |
my $path = $loaded_files->{$addr}; |
$self->render_vram; |
156 |
printf "loading '%s' at %04x\n", $path, $addr; |
$self->render_mem( @mem ); |
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$self->load_oraoemu( $path, $addr ); |
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} |
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157 |
} |
} |
158 |
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159 |
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=head2 load_image |
160 |
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161 |
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Load binary files, ROM images and Orao Emulator files |
162 |
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163 |
=head2 load_oraoemu |
$emu->load_image( '/path/to/file', 0x1000 ); |
164 |
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165 |
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Returns true on success. |
166 |
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167 |
=cut |
=cut |
168 |
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169 |
sub load_oraoemu { |
sub load_image { |
170 |
my $self = shift; |
my $self = shift; |
171 |
my ( $path, $addr ) = @_; |
my ( $path, $addr ) = @_; |
172 |
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|
173 |
my $size = -s $path || die "no size for $path: $!"; |
if ( ! -e $path ) { |
174 |
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warn "ERROR: file $path doesn't exist\n"; |
175 |
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return; |
176 |
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} |
177 |
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178 |
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my $size = -s $path || confess "no size for $path: $!"; |
179 |
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180 |
my $buff = read_file( $path ); |
my $buff = read_file( $path ); |
181 |
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|
182 |
if ( $size == 65538 ) { |
if ( $size == 65538 ) { |
183 |
$addr = 0; |
$addr = 0; |
184 |
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; |
185 |
$self->write_chunk( $addr, substr($buff,2) ); |
$self->write_chunk( $addr, substr($buff,2) ); |
186 |
return; |
return 1; |
187 |
} elsif ( $size == 32800 ) { |
} elsif ( $size == 32800 ) { |
188 |
$addr = 0; |
$addr = 0; |
189 |
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, $size; |
190 |
#$self->write_chunk( $addr, substr($buff,0x20) ); |
$self->write_chunk( $addr, substr($buff,0x20) ); |
191 |
$self->poke_code( $addr, map { ord($_) } split(//,substr($buff,0x20)) ); |
return 1; |
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return; |
|
192 |
} |
} |
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printf "loading %s at %04x - %04x %02x\n", $path, $addr, $addr+$size, $size; |
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return $self->write_chunk( $addr, $buff ); |
|
193 |
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194 |
my $chunk; |
printf "loading %s at %04x - %04x %02x\n", $path, $addr, $addr+$size-1, $size; |
195 |
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$self->write_chunk( $addr, $buff ); |
196 |
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return 1; |
197 |
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}; |
198 |
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my $pos = 0; |
|
199 |
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200 |
while ( my $long = substr($buff,$pos,4) ) { |
=head1 Memory management |
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my @b = split(//, $long, 4); |
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$chunk .= |
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( $b[3] || '' ) . |
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( $b[2] || '' ) . |
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( $b[1] || '' ) . |
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( $b[0] || '' ); |
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$pos += 4; |
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} |
|
201 |
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|
202 |
$self->write_chunk( $addr, $chunk ); |
Orao implements all I/O using mmap addresses. This was main reason why |
203 |
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L<Acme::6502> was just too slow to handle it. |
204 |
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|
205 |
}; |
=cut |
206 |
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207 |
|
=head2 read |
208 |
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|
209 |
=head2 save_dump |
Read from memory |
210 |
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|
211 |
$orao->save_dump( 'filename', $from, $to ); |
$byte = read( $address ); |
212 |
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|
213 |
=cut |
=cut |
214 |
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|
215 |
sub save_dump { |
my $keyboard_none = 255; |
216 |
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217 |
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my $keyboard = { |
218 |
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0x87FC => { |
219 |
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'right' => 16, |
220 |
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'down' => 128, |
221 |
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'up' => 192, |
222 |
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'left' => 224, |
223 |
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'backspace' => 224, |
224 |
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}, |
225 |
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0x87FD => sub { |
226 |
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my ( $self, $key ) = @_; |
227 |
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if ( $key eq 'return' ) { |
228 |
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M6502::_write( 0xfc, 13 ); |
229 |
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warn "return\n"; |
230 |
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return 0; |
231 |
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} elsif ( $key =~ m/ ctrl/ || $self->key_down( 'left ctrl' ) || $self->key_down( 'right ctrl' ) ) { |
232 |
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warn "ctrl\n"; |
233 |
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return 16; |
234 |
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} |
235 |
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return $keyboard_none; |
236 |
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}, |
237 |
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0x87FA => { |
238 |
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'f4' => 16, |
239 |
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'f3' => 128, |
240 |
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'f2' => 192, |
241 |
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'f1' => 224, |
242 |
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}, |
243 |
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0x87FB => sub { |
244 |
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my ( $self, $key ) = @_; |
245 |
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if ( $key eq 'space' ) { |
246 |
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return 32; |
247 |
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} elsif ( $self->key_down( 'left shift' ) || $self->key_down( 'right shift' ) ) { |
248 |
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warn "shift\n"; |
249 |
|
return 16; |
250 |
|
# } elsif ( $self->tape ) { |
251 |
|
# warn "has tape!"; |
252 |
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# return 0; |
253 |
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} |
254 |
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return $keyboard_none; |
255 |
|
}, |
256 |
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0x87F6 => { |
257 |
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'6' => 16, |
258 |
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't' => 128, |
259 |
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'y' => 192, # hr: z |
260 |
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'r' => 224, |
261 |
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}, |
262 |
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0x87F7 => { |
263 |
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'5' => 32, |
264 |
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'4' => 16, |
265 |
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}, |
266 |
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0x87EE => { |
267 |
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'7' => 16, |
268 |
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'u' => 128, |
269 |
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'i' => 192, |
270 |
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'o' => 224, |
271 |
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}, |
272 |
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0x87EF => { |
273 |
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'8' => 32, |
274 |
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'9' => 16, |
275 |
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}, |
276 |
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0x87DE => { |
277 |
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'1' => 16, |
278 |
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'w' => 128, |
279 |
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'q' => 192, |
280 |
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'e' => 224, |
281 |
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}, |
282 |
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0x87DF => { |
283 |
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'2' => 32, |
284 |
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'3' => 16, |
285 |
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}, |
286 |
|
0x87BE => { |
287 |
|
'm' => 16, |
288 |
|
'k' => 128, |
289 |
|
'j' => 192, |
290 |
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'l' => 224, |
291 |
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}, |
292 |
|
0x87BF => { |
293 |
|
',' => 32, # < |
294 |
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'.' => 16, # > |
295 |
|
}, |
296 |
|
0x877E => { |
297 |
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'z' => 16, # hr:y |
298 |
|
's' => 128, |
299 |
|
'a' => 192, |
300 |
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'd' => 224, |
301 |
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}, |
302 |
|
0x877F => { |
303 |
|
'x' => 32, |
304 |
|
'c' => 16, |
305 |
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}, |
306 |
|
0x86FE => { |
307 |
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'n' => 16, |
308 |
|
'g' => 128, |
309 |
|
'h' => 192, |
310 |
|
'f' => 224, |
311 |
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}, |
312 |
|
0x86FF => { |
313 |
|
'b' => 32, |
314 |
|
'v' => 16, |
315 |
|
}, |
316 |
|
0x85FE => { |
317 |
|
'<' => 16, # : |
318 |
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'\\' => 128, # ¾ |
319 |
|
'\'' => 192, # ę |
320 |
|
';' => 224, # č |
321 |
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}, |
322 |
|
0x85FF => { |
323 |
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'/' => 32, |
324 |
|
'f11' => 16, # ^ |
325 |
|
}, |
326 |
|
0x83FE => { |
327 |
|
'f12' => 16, # ; |
328 |
|
'[' => 128, # ¹ |
329 |
|
']' => 192, # š |
330 |
|
'p' => 224, |
331 |
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}, |
332 |
|
0x83FF => { |
333 |
|
'-' => 32, |
334 |
|
'0' => 16, |
335 |
|
}, |
336 |
|
}; |
337 |
|
|
338 |
|
sub read { |
339 |
my $self = shift; |
my $self = shift; |
340 |
|
my ($addr) = @_; |
341 |
|
return if ( $addr > 0xffff ); |
342 |
|
my $byte = $mem[$addr]; |
343 |
|
confess sprintf("can't find memory at address %04x",$addr) unless defined($byte); |
344 |
|
warn sprintf("# Orao::read(%04x) = %02x\n", $addr, $byte) if $self->trace; |
345 |
|
|
346 |
|
# keyboard |
347 |
|
|
348 |
|
if ( defined( $keyboard->{$addr} ) ) { |
349 |
|
warn sprintf("keyboard port: %04x\n",$addr) if $self->trace; |
350 |
|
my $key = $self->key_pressed; |
351 |
|
if ( defined($key) ) { |
352 |
|
my $ret = $keyboard_none; |
353 |
|
my $r = $keyboard->{$addr} || confess "no definition for keyboard port found"; |
354 |
|
if ( ref($r) eq 'CODE' ) { |
355 |
|
$ret = $r->($self, $key); |
356 |
|
} elsif ( defined($r->{$key}) ) { |
357 |
|
$ret = $r->{$key}; |
358 |
|
if ( ref($ret) eq 'CODE' ) { |
359 |
|
$ret = $ret->($self); |
360 |
|
} |
361 |
|
} else { |
362 |
|
warn sprintf("keyboard port: %04x unknown key: '%s'\n", $addr, $key) if $debug; |
363 |
|
} |
364 |
|
warn sprintf("keyboard port: %04x key:%s code:%d\n",$addr,$key,$ret) if ( $ret != $keyboard_none ); |
365 |
|
return $ret; |
366 |
|
} |
367 |
|
return $keyboard_none; |
368 |
|
} |
369 |
|
|
370 |
|
if ( $addr == 0x87ff ) { |
371 |
|
return $self->read_tape; |
372 |
|
} |
373 |
|
|
374 |
|
$self->mmap_pixel( $addr, 0, $byte, 0 ) if $self->show_mem; |
375 |
|
return $byte; |
376 |
|
} |
377 |
|
|
378 |
|
=head2 write |
379 |
|
|
380 |
|
Write into emory |
381 |
|
|
382 |
|
write( $address, $byte ); |
383 |
|
|
384 |
my ( $path, $from, $to ) = @_; |
=cut |
385 |
|
|
386 |
|
sub write { |
387 |
|
my $self = shift; |
388 |
|
my ($addr,$byte) = @_; |
389 |
|
warn sprintf("# Orao::write(%04x,%02x)\n", $addr, $byte) if $self->trace; |
390 |
|
|
391 |
$from ||= 0; |
if ( $addr == 0x8800 ) { |
392 |
$to ||= 0xffff; |
warn sprintf "sound ignored: %x\n", $byte; |
393 |
|
} |
394 |
|
|
395 |
open(my $fh, '>', $path) || die "can't open $path: $!"; |
if ( $addr > 0xafff ) { |
396 |
print $fh $self->read_chunk( $from, $to ); |
confess sprintf "write access 0x%04x > 0xafff aborting\n", $addr; |
397 |
close($fh); |
} |
398 |
|
|
399 |
my $size = -s $path; |
$self->mmap_pixel( $addr, $byte, 0, 0 ) if $self->show_mem; |
400 |
printf "saved %s %d %x bytes\n", $path, $size, $size; |
$mem[$addr] = $byte; |
401 |
|
return; |
402 |
} |
} |
403 |
|
|
404 |
=head2 hexdump |
=head1 Architecture specific |
405 |
|
|
406 |
|
=head2 render_vram |
407 |
|
|
408 |
$orao->hexdump( $address ); |
Render one frame of video ram |
409 |
|
|
410 |
|
$self->render_vram; |
411 |
|
|
412 |
=cut |
=cut |
413 |
|
|
414 |
sub hexdump { |
my @flip; |
415 |
|
|
416 |
|
foreach my $i ( 0 .. 255 ) { |
417 |
|
my $t = 0; |
418 |
|
$i & 0b00000001 and $t = $t | 0b10000000; |
419 |
|
$i & 0b00000010 and $t = $t | 0b01000000; |
420 |
|
$i & 0b00000100 and $t = $t | 0b00100000; |
421 |
|
$i & 0b00001000 and $t = $t | 0b00010000; |
422 |
|
$i & 0b00010000 and $t = $t | 0b00001000; |
423 |
|
$i & 0b00100000 and $t = $t | 0b00000100; |
424 |
|
$i & 0b01000000 and $t = $t | 0b00000010; |
425 |
|
$i & 0b10000000 and $t = $t | 0b00000001; |
426 |
|
#warn "$i = $t\n"; |
427 |
|
$flip[$i] = $t; |
428 |
|
} |
429 |
|
|
430 |
|
|
431 |
|
sub render_vram { |
432 |
my $self = shift; |
my $self = shift; |
433 |
my $a = shift; |
|
434 |
return sprintf(" %04x %s\n", $a, |
my $pixels = pack("C*", map { $flip[$_] } @mem[ 0x6000 .. 0x7fff ]); |
435 |
join(" ", |
|
436 |
map { |
my $vram = SDL::Surface->new( |
437 |
sprintf( "%02x", $_ ) |
-width => 256, |
438 |
} $self->ram( $a, $a+8 ) |
-height => 256, |
439 |
) |
-depth => 1, # 1 bit per pixel |
440 |
|
-pitch => 32, # bytes per line |
441 |
|
-from => $pixels, |
442 |
); |
); |
443 |
|
$vram->set_colors( 0, $black, $white ); |
444 |
|
|
445 |
|
$self->render_frame( $vram ); |
446 |
} |
} |
447 |
|
|
448 |
=head2 prompt |
=head2 cpu_PC |
449 |
|
|
450 |
$orao->prompt( $address, $last_command ); |
Helper metod to set or get PC for current architecture |
451 |
|
|
452 |
=cut |
=cut |
453 |
|
|
454 |
sub prompt { |
sub cpu_PC { |
455 |
my $self = shift; |
my ( $self, $addr ) = @_; |
456 |
my $a = shift; |
if ( defined($addr) ) { |
457 |
my $last = shift; |
$PC = $addr; |
458 |
print $self->hexdump( $a ), |
warn sprintf("running from PC %04x\n", $PC); |
459 |
$last ? "[$last] " : '', |
}; |
460 |
"> "; |
return $PC; |
|
my $in = <STDIN>; |
|
|
chomp($in); |
|
|
$in ||= $last; |
|
|
$last = $in; |
|
|
return split(/\s+/, $in) if $in; |
|
461 |
} |
} |
462 |
|
|
463 |
=head1 AUTHOR |
=head1 AUTHOR |