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 |
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0xC000 => 'rom/BAS12.ROM', |
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0xE000 => 'rom/CRT12.ROM', |
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}; |
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34 |
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35 |
=head2 load_rom |
=head2 boot |
36 |
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37 |
called to init memory and load initial rom images |
Start emulator, open L<Screen>, load initial ROM images, and render memory |
38 |
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39 |
$orao->load_rom; |
my $emu = Orao->new({}); |
40 |
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$emu->boot; |
41 |
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42 |
=cut |
=cut |
43 |
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44 |
sub load_rom { |
our $emu; |
45 |
my ($self) = @_; |
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46 |
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select(STDERR); $| = 1; |
47 |
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48 |
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sub boot { |
49 |
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my $self = shift; |
50 |
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warn "Orao calling upstream init\n"; |
51 |
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$self->SUPER::init( |
52 |
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read => sub { $self->read( @_ ) }, |
53 |
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write => sub { $self->write( @_ ) }, |
54 |
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); |
55 |
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56 |
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warn "Orao $Orao::VERSION emulation starting\n"; |
57 |
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58 |
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warn "emulating ", $#mem, " bytes of memory\n"; |
59 |
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60 |
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# $self->scale( 2 ); |
61 |
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62 |
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$self->open_screen; |
63 |
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$self->load_rom({ |
64 |
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# 0x1000 => 'dump/SCRINV.BIN', |
65 |
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# should be 0x6000, but oraoemu has 2 byte prefix |
66 |
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# 0x5FFE => '/home/dpavlin/orao/dump/screen.dmp', |
67 |
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# 0xC000 => 'rom/Orao/BAS12.ROM', |
68 |
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# 0xE000 => 'rom/Orao/CRT12.ROM', |
69 |
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0xC000 => 'rom/Orao/BAS13.ROM', |
70 |
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0xE000 => 'rom/Orao/CRT13.ROM', |
71 |
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}); |
72 |
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73 |
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# $PC = 0xDD11; # BC |
74 |
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# $PC = 0xC274; # MC |
75 |
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76 |
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$PC = 0xff89; |
77 |
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78 |
#my $time_base = time(); |
$emu = $self; |
79 |
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80 |
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# $self->prompt( 0x1000 ); |
81 |
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82 |
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my ( $trace, $debug ) = ( $self->trace, $self->debug ); |
83 |
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$self->trace( 0 ); |
84 |
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$self->debug( 0 ); |
85 |
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86 |
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warn "rendering video memory\n"; |
87 |
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$self->render_vram( @mem[ 0x6000 .. 0x7fff ] ); |
88 |
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89 |
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if ( $self->show_mem ) { |
90 |
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91 |
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warn "rendering memory map\n"; |
92 |
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93 |
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$self->render_mem( @mem ); |
94 |
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95 |
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my @mmap = ( |
96 |
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0x0000, 0x03FF, 'nulti blok', |
97 |
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0x0400, 0x5FFF, 'korisnički RAM (23K)', |
98 |
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0x6000, 0x7FFF, 'video RAM', |
99 |
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0x8000, 0x9FFF, 'sistemske lokacije', |
100 |
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0xA000, 0xAFFF, 'ekstenzija', |
101 |
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0xB000, 0xBFFF, 'DOS', |
102 |
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0xC000, 0xDFFF, 'BASIC ROM', |
103 |
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0xE000, 0xFFFF, 'sistemski ROM', |
104 |
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); |
105 |
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foreach my $addr ( sort keys %$loaded_files ) { |
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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, $addr ); |
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106 |
} |
} |
107 |
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$self->sync; |
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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#( $A, $P, $X, $Y, $S, $IPeriod ) = ( 1, 2, 3, 4, 5, 6 ); |
112 |
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113 |
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warn "Orao boot finished", |
114 |
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$self->trace ? ' trace' : '', |
115 |
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$self->debug ? ' debug' : '', |
116 |
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"\n"; |
117 |
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118 |
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M6502::reset(); |
119 |
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120 |
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$self->booted( 1 ); |
121 |
} |
} |
122 |
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123 |
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=head2 run |
124 |
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125 |
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Run interactive emulation loop |
126 |
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127 |
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$emu->run; |
128 |
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129 |
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=cut |
130 |
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131 |
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sub run { |
132 |
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my $self = shift; |
133 |
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134 |
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$self->boot if ( ! $self->booted ); |
135 |
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136 |
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# $self->load_tape( '../oraoigre/bdash.tap' ); |
137 |
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138 |
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$self->loop( sub { |
139 |
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M6502::exec( $_[0] ); |
140 |
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$self->render_vram; |
141 |
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}); |
142 |
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}; |
143 |
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144 |
=head2 load_oraoemu |
=head1 Helper functions |
145 |
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146 |
=cut |
=cut |
147 |
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148 |
sub load_oraoemu { |
# write chunk directly into memory, updateing vram if needed |
149 |
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sub _write_chunk { |
150 |
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my $self = shift; |
151 |
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my ( $addr, $chunk ) = @_; |
152 |
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$self->write_chunk( $addr, $chunk ); |
153 |
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my $end = $addr + length($chunk); |
154 |
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my ( $f, $t ) = ( 0x6000, 0x7fff ); |
155 |
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156 |
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if ( $end < $f || $addr >= $t ) { |
157 |
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warn "skip vram update\n"; |
158 |
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return; |
159 |
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}; |
160 |
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161 |
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$f = $addr if ( $addr > $f ); |
162 |
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$t = $end if ( $end < $t ); |
163 |
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164 |
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warn sprintf("refresh video ram %04x-%04x\n", $f, $t); |
165 |
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$self->render_vram( @mem[ 0x6000 .. 0x7fff ] ); |
166 |
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$self->render_mem( @mem ) if $self->show_mem; |
167 |
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} |
168 |
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169 |
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=head2 load_image |
170 |
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171 |
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Load binary files, ROM images and Orao Emulator files |
172 |
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173 |
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$emu->load_image( '/path/to/file', 0x1000 ); |
174 |
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175 |
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Returns true on success. |
176 |
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177 |
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=cut |
178 |
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179 |
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sub load_image { |
180 |
my $self = shift; |
my $self = shift; |
181 |
my ( $path, $addr ) = @_; |
my ( $path, $addr ) = @_; |
182 |
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183 |
my $size = -s $path || die "no size for $path: $!"; |
if ( ! -e $path ) { |
184 |
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warn "ERROR: file $path doesn't exist\n"; |
185 |
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return; |
186 |
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} |
187 |
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188 |
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my $size = -s $path || confess "no size for $path: $!"; |
189 |
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190 |
my $buff = read_file( $path ); |
my $buff = read_file( $path ); |
191 |
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|
192 |
if ( $size == 65538 ) { |
if ( $size == 65538 ) { |
193 |
$addr = 0; |
$addr = 0; |
194 |
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; |
195 |
$self->write_chunk( $addr, substr($buff,2) ); |
$self->_write_chunk( $addr, substr($buff,2) ); |
196 |
return; |
return 1; |
197 |
} elsif ( $size == 32800 ) { |
} elsif ( $size == 32800 ) { |
198 |
$addr = 0; |
$addr = 0; |
199 |
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, $size; |
200 |
#$self->write_chunk( $addr, substr($buff,0x20) ); |
$self->_write_chunk( $addr, substr($buff,0x20) ); |
201 |
$self->poke_code( $addr, map { ord($_) } split(//,substr($buff,0x20)) ); |
return 1; |
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return; |
|
202 |
} |
} |
203 |
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; |
204 |
return $self->write_chunk( $addr, $buff ); |
$self->_write_chunk( $addr, $buff ); |
205 |
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return 1; |
206 |
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207 |
my $chunk; |
my $chunk; |
208 |
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|
218 |
$pos += 4; |
$pos += 4; |
219 |
} |
} |
220 |
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221 |
$self->write_chunk( $addr, $chunk ); |
$self->_write_chunk( $addr, $chunk ); |
222 |
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223 |
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return 1; |
224 |
}; |
}; |
225 |
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=head2 save_dump |
|
226 |
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227 |
$orao->save_dump( 'filename', $from, $to ); |
=head1 Memory management |
228 |
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229 |
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Orao implements all I/O using mmap addresses. This was main reason why |
230 |
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L<Acme::6502> was just too slow to handle it. |
231 |
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|
232 |
=cut |
=cut |
233 |
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|
234 |
sub save_dump { |
=head2 read |
235 |
my $self = shift; |
|
236 |
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Read from memory |
237 |
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238 |
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$byte = read( $address ); |
239 |
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|
240 |
my ( $path, $from, $to ) = @_; |
=cut |
241 |
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242 |
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my $keyboard_none = 255; |
243 |
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|
244 |
$from ||= 0; |
my $keyboard = { |
245 |
$to ||= 0xffff; |
0x87FC => { |
246 |
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'right' => 16, |
247 |
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'down' => 128, |
248 |
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'up' => 192, |
249 |
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'left' => 224, |
250 |
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'backspace' => 224, |
251 |
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}, |
252 |
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0x87FD => sub { |
253 |
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my ( $self, $key ) = @_; |
254 |
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if ( $key eq 'return' ) { |
255 |
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M6502::_write( 0xfc, 13 ); |
256 |
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warn "return\n"; |
257 |
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return 0; |
258 |
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} elsif ( $key =~ m/ ctrl/ || $self->key_down( 'left ctrl' ) || $self->key_down( 'right ctrl' ) ) { |
259 |
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warn "ctrl\n"; |
260 |
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return 16; |
261 |
|
} |
262 |
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return $keyboard_none; |
263 |
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}, |
264 |
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0x87FA => { |
265 |
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'f4' => 16, |
266 |
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'f3' => 128, |
267 |
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'f2' => 192, |
268 |
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'f1' => 224, |
269 |
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}, |
270 |
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0x87FB => sub { |
271 |
|
my ( $self, $key ) = @_; |
272 |
|
if ( $key eq 'space' ) { |
273 |
|
return 32; |
274 |
|
} elsif ( $self->key_down( 'left shift' ) || $self->key_down( 'right shift' ) ) { |
275 |
|
warn "shift\n"; |
276 |
|
return 16; |
277 |
|
# } elsif ( $self->tape ) { |
278 |
|
# warn "has tape!"; |
279 |
|
# return 0; |
280 |
|
} |
281 |
|
return $keyboard_none; |
282 |
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}, |
283 |
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0x87F6 => { |
284 |
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'6' => 16, |
285 |
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't' => 128, |
286 |
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'y' => 192, # hr: z |
287 |
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'r' => 224, |
288 |
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}, |
289 |
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0x87F7 => { |
290 |
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'5' => 32, |
291 |
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'4' => 16, |
292 |
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}, |
293 |
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0x87EE => { |
294 |
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'7' => 16, |
295 |
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'u' => 128, |
296 |
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'i' => 192, |
297 |
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'o' => 224, |
298 |
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}, |
299 |
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0x87EF => { |
300 |
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'8' => 32, |
301 |
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'9' => 16, |
302 |
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}, |
303 |
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0x87DE => { |
304 |
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'1' => 16, |
305 |
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'w' => 128, |
306 |
|
'q' => 192, |
307 |
|
'e' => 224, |
308 |
|
}, |
309 |
|
0x87DF => { |
310 |
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'2' => 32, |
311 |
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'3' => 16, |
312 |
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}, |
313 |
|
0x87BE => { |
314 |
|
'm' => 16, |
315 |
|
'k' => 128, |
316 |
|
'j' => 192, |
317 |
|
'l' => 224, |
318 |
|
}, |
319 |
|
0x87BF => { |
320 |
|
',' => 32, # < |
321 |
|
'.' => 16, # > |
322 |
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}, |
323 |
|
0x877E => { |
324 |
|
'z' => 16, # hr:y |
325 |
|
's' => 128, |
326 |
|
'a' => 192, |
327 |
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'd' => 224, |
328 |
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}, |
329 |
|
0x877F => { |
330 |
|
'x' => 32, |
331 |
|
'c' => 16, |
332 |
|
}, |
333 |
|
0x86FE => { |
334 |
|
'n' => 16, |
335 |
|
'g' => 128, |
336 |
|
'h' => 192, |
337 |
|
'f' => 224, |
338 |
|
}, |
339 |
|
0x86FF => { |
340 |
|
'b' => 32, |
341 |
|
'v' => 16, |
342 |
|
}, |
343 |
|
0x85FE => { |
344 |
|
'<' => 16, # : |
345 |
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'\\' => 128, # ¾ |
346 |
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'\'' => 192, # ę |
347 |
|
';' => 224, # č |
348 |
|
}, |
349 |
|
0x85FF => { |
350 |
|
'/' => 32, |
351 |
|
'f11' => 16, # ^ |
352 |
|
}, |
353 |
|
0x83FE => { |
354 |
|
'f12' => 16, # ; |
355 |
|
'[' => 128, # ¹ |
356 |
|
']' => 192, # š |
357 |
|
'p' => 224, |
358 |
|
}, |
359 |
|
0x83FF => { |
360 |
|
'-' => 32, |
361 |
|
'0' => 16, |
362 |
|
}, |
363 |
|
}; |
364 |
|
|
365 |
|
sub read { |
366 |
|
my $self = shift; |
367 |
|
my ($addr) = @_; |
368 |
|
my $byte = $mem[$addr]; |
369 |
|
confess sprintf("can't find memory at address %04x",$addr) unless defined($byte); |
370 |
|
warn sprintf("# Orao::read(%04x) = %02x\n", $addr, $byte) if $self->trace; |
371 |
|
|
372 |
|
# keyboard |
373 |
|
|
374 |
|
if ( defined( $keyboard->{$addr} ) ) { |
375 |
|
warn sprintf("keyboard port: %04x\n",$addr) if $self->trace; |
376 |
|
my $key = $self->key_pressed; |
377 |
|
if ( defined($key) ) { |
378 |
|
my $ret = $keyboard_none; |
379 |
|
my $r = $keyboard->{$addr} || confess "no definition for keyboard port found"; |
380 |
|
if ( ref($r) eq 'CODE' ) { |
381 |
|
$ret = $r->($self, $key); |
382 |
|
} elsif ( defined($r->{$key}) ) { |
383 |
|
$ret = $r->{$key}; |
384 |
|
if ( ref($ret) eq 'CODE' ) { |
385 |
|
$ret = $ret->($self); |
386 |
|
} |
387 |
|
} else { |
388 |
|
warn sprintf("keyboard port: %04x unknown key: '%s'\n", $addr, $key) if $debug; |
389 |
|
} |
390 |
|
warn sprintf("keyboard port: %04x key:%s code:%d\n",$addr,$key,$ret) if ( $ret != $keyboard_none ); |
391 |
|
return $ret; |
392 |
|
} |
393 |
|
return $keyboard_none; |
394 |
|
} |
395 |
|
|
396 |
open(my $fh, '>', $path) || die "can't open $path: $!"; |
if ( $addr == 0x87ff ) { |
397 |
print $fh $self->read_chunk( $from, $to ); |
return $self->read_tape; |
398 |
close($fh); |
} |
399 |
|
|
400 |
my $size = -s $path; |
$self->mmap_pixel( $addr, 0, $byte, 0 ); |
401 |
printf "saved %s %d %x bytes\n", $path, $size, $size; |
return $byte; |
402 |
} |
} |
403 |
|
|
404 |
=head2 hexdump |
=head2 write |
405 |
|
|
406 |
|
Write into emory |
407 |
|
|
408 |
$orao->hexdump( $address ); |
write( $address, $byte ); |
409 |
|
|
410 |
=cut |
=cut |
411 |
|
|
412 |
sub hexdump { |
sub write { |
413 |
my $self = shift; |
my $self = shift; |
414 |
my $a = shift; |
my ($addr,$byte) = @_; |
415 |
return sprintf(" %04x %s\n", $a, |
warn sprintf("# Orao::write(%04x,%02x)\n", $addr, $byte) if $self->trace; |
416 |
join(" ", |
|
417 |
map { |
if ( $addr == 0x8800 ) { |
418 |
sprintf( "%02x", $_ ) |
warn sprintf "sound ignored: %x\n", $byte; |
419 |
} $self->ram( $a, $a+8 ) |
} |
420 |
) |
|
421 |
); |
if ( $addr > 0xafff ) { |
422 |
|
confess sprintf "write access 0x%04x > 0xafff aborting\n", $addr; |
423 |
|
} |
424 |
|
|
425 |
|
$self->mmap_pixel( $addr, $byte, 0, 0 ); |
426 |
|
|
427 |
|
$mem[$addr] = $byte; |
428 |
|
return; |
429 |
} |
} |
430 |
|
|
431 |
=head2 prompt |
=head2 render_vram |
432 |
|
|
433 |
$orao->prompt( $address, $last_command ); |
Render one frame of video ram |
434 |
|
|
435 |
|
$self->render_vram; |
436 |
|
|
437 |
=cut |
=cut |
438 |
|
|
439 |
sub prompt { |
my @flip; |
440 |
|
|
441 |
|
foreach my $i ( 0 .. 255 ) { |
442 |
|
my $t = 0; |
443 |
|
$i & 0b00000001 and $t = $t | 0b10000000; |
444 |
|
$i & 0b00000010 and $t = $t | 0b01000000; |
445 |
|
$i & 0b00000100 and $t = $t | 0b00100000; |
446 |
|
$i & 0b00001000 and $t = $t | 0b00010000; |
447 |
|
$i & 0b00010000 and $t = $t | 0b00001000; |
448 |
|
$i & 0b00100000 and $t = $t | 0b00000100; |
449 |
|
$i & 0b01000000 and $t = $t | 0b00000010; |
450 |
|
$i & 0b10000000 and $t = $t | 0b00000001; |
451 |
|
#warn "$i = $t\n"; |
452 |
|
$flip[$i] = $t; |
453 |
|
} |
454 |
|
|
455 |
|
|
456 |
|
sub render_vram { |
457 |
my $self = shift; |
my $self = shift; |
458 |
my $a = shift; |
|
459 |
my $last = shift; |
return unless $self->booted; |
460 |
print $self->hexdump( $a ), |
|
461 |
$last ? "[$last] " : '', |
my $pixels = pack("C*", map { $flip[$_] } @mem[ 0x6000 .. 0x7fff ]); |
462 |
"> "; |
|
463 |
my $in = <STDIN>; |
my $vram = SDL::Surface->new( |
464 |
chomp($in); |
-width => 256, |
465 |
$in ||= $last; |
-height => 256, |
466 |
$last = $in; |
-depth => 1, # 1 bit per pixel |
467 |
return split(/\s+/, $in) if $in; |
-pitch => 32, # bytes per line |
468 |
|
-from => $pixels, |
469 |
|
); |
470 |
|
$vram->set_colors( 0, $black, $white ); |
471 |
|
|
472 |
|
$self->render_frame( $vram ); |
473 |
} |
} |
474 |
|
|
475 |
=head1 AUTHOR |
=head1 AUTHOR |