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 |
use Data::Dump qw/dump/; |
use Data::Dump qw/dump/; |
9 |
use M6502; |
use M6502; |
10 |
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use Screen qw/$white $black/; |
11 |
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12 |
use base qw(Class::Accessor M6502 Screen); |
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 |
=head2 init |
=head1 FUNCTIONS |
34 |
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|
35 |
Start emulator |
=head2 boot |
36 |
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37 |
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Start emulator, open L<Screen>, load initial ROM images, and render memory |
38 |
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39 |
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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 |
our $orao; |
our $emu; |
45 |
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46 |
select(STDERR); $| = 1; |
select(STDERR); $| = 1; |
47 |
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|
48 |
sub init { |
sub boot { |
49 |
my $self = shift; |
my $self = shift; |
50 |
warn "Orao calling upstream init\n"; |
warn "Orao calling upstream init\n"; |
51 |
$self->SUPER::init( $self, @_ ); |
$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 |
warn "staring Orao $Orao::VERSION emulation\n"; |
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 |
$self->open_screen; |
$self->open_screen; |
63 |
$self->load_rom({ |
$self->load_rom({ |
64 |
0x1000 => 'dump/SCRINV.BIN', |
# 0x1000 => 'dump/SCRINV.BIN', |
65 |
0xC000 => 'rom/BAS12.ROM', |
# should be 0x6000, but oraoemu has 2 byte prefix |
66 |
0xE000 => 'rom/CRT12.ROM', |
# 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 |
}); |
}); |
72 |
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|
73 |
$PC = 0xDD11; # BC |
# $PC = 0xDD11; # BC |
74 |
# $PC = 0xC274; # MC |
# $PC = 0xC274; # MC |
75 |
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|
76 |
$orao = $self; |
$PC = 0xff89; |
77 |
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78 |
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$emu = $self; |
79 |
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80 |
# $self->prompt( 0x1000 ); |
# $self->prompt( 0x1000 ); |
81 |
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83 |
$self->trace( 0 ); |
$self->trace( 0 ); |
84 |
$self->debug( 0 ); |
$self->debug( 0 ); |
85 |
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86 |
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warn "rendering video memory\n"; |
87 |
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$self->render_vram( @mem[ 0x6000 .. 0x7fff ] ); |
88 |
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89 |
if ( $self->show_mem ) { |
if ( $self->show_mem ) { |
90 |
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91 |
warn "rendering memory map\n"; |
warn "rendering memory map\n"; |
92 |
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93 |
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$self->render_mem( @mem ); |
94 |
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95 |
my @mmap = ( |
my @mmap = ( |
96 |
0x0000, 0x03FF, 'nulti blok', |
0x0000, 0x03FF, 'nulti blok', |
97 |
0x0400, 0x5FFF, 'korisnički RAM (23K)', |
0x0400, 0x5FFF, 'korisnički RAM (23K)', |
103 |
0xE000, 0xFFFF, 'sistemski ROM', |
0xE000, 0xFFFF, 'sistemski ROM', |
104 |
); |
); |
105 |
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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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106 |
} |
} |
107 |
$self->sync; |
$self->sync; |
108 |
$self->trace( $trace ); |
$self->trace( $trace ); |
110 |
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111 |
#( $A, $P, $X, $Y, $S, $IPeriod ) = ( 1, 2, 3, 4, 5, 6 ); |
#( $A, $P, $X, $Y, $S, $IPeriod ) = ( 1, 2, 3, 4, 5, 6 ); |
112 |
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|
113 |
warn "Orao init finished", |
warn "Orao boot finished", |
114 |
$self->trace ? ' trace' : '', |
$self->trace ? ' trace' : '', |
115 |
$self->debug ? ' debug' : '', |
$self->debug ? ' debug' : '', |
116 |
"\n"; |
"\n"; |
117 |
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118 |
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M6502::reset(); |
119 |
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120 |
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$self->booted( 1 ); |
121 |
} |
} |
122 |
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123 |
=head2 load_rom |
=head2 run |
124 |
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125 |
called to init memory and load initial rom images |
Run interactive emulation loop |
126 |
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127 |
$orao->load_rom; |
$emu->run; |
128 |
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129 |
=cut |
=cut |
130 |
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131 |
sub load_rom { |
sub run { |
132 |
my ($self, $loaded_files) = @_; |
my $self = shift; |
133 |
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134 |
#my $time_base = time(); |
$self->boot if ( ! $self->booted ); |
135 |
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136 |
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, $addr ); |
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} |
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} |
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137 |
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138 |
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$self->loop; |
139 |
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}; |
140 |
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141 |
=head2 load_oraoemu |
=head1 Helper functions |
142 |
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143 |
=cut |
=cut |
144 |
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145 |
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# write chunk directly into memory, updateing vram if needed |
146 |
sub _write_chunk { |
sub _write_chunk { |
147 |
my $self = shift; |
my $self = shift; |
148 |
my ( $addr, $chunk ) = @_; |
my ( $addr, $chunk ) = @_; |
159 |
$t = $end if ( $end < $t ); |
$t = $end if ( $end < $t ); |
160 |
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|
161 |
warn sprintf("refresh video ram %04x-%04x\n", $f, $t); |
warn sprintf("refresh video ram %04x-%04x\n", $f, $t); |
162 |
foreach my $a ( $f .. $t ) { |
$self->render_vram( @mem[ 0x6000 .. 0x7fff ] ); |
163 |
$self->vram( $a - 0x6000 , $mem[ $a ] ); |
$self->render_mem( @mem ) if $self->show_mem; |
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} |
|
164 |
} |
} |
165 |
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166 |
sub load_oraoemu { |
=head2 load_image |
167 |
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168 |
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Load binary files, ROM images and Orao Emulator files |
169 |
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170 |
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$emu->load_image( '/path/to/file', 0x1000 ); |
171 |
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172 |
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Returns true on success. |
173 |
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174 |
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=cut |
175 |
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176 |
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sub load_image { |
177 |
my $self = shift; |
my $self = shift; |
178 |
my ( $path, $addr ) = @_; |
my ( $path, $addr ) = @_; |
179 |
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180 |
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if ( ! -e $path ) { |
181 |
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warn "ERROR: file $path doesn't exist\n"; |
182 |
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return; |
183 |
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} |
184 |
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185 |
my $size = -s $path || confess "no size for $path: $!"; |
my $size = -s $path || confess "no size for $path: $!"; |
186 |
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187 |
my $buff = read_file( $path ); |
my $buff = read_file( $path ); |
190 |
$addr = 0; |
$addr = 0; |
191 |
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; |
192 |
$self->_write_chunk( $addr, substr($buff,2) ); |
$self->_write_chunk( $addr, substr($buff,2) ); |
193 |
return; |
return 1; |
194 |
} elsif ( $size == 32800 ) { |
} elsif ( $size == 32800 ) { |
195 |
$addr = 0; |
$addr = 0; |
196 |
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; |
197 |
$self->_write_chunk( $addr, substr($buff,0x20) ); |
$self->_write_chunk( $addr, substr($buff,0x20) ); |
198 |
return; |
return 1; |
199 |
} |
} |
200 |
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; |
201 |
return $self->_write_chunk( $addr, $buff ); |
$self->_write_chunk( $addr, $buff ); |
202 |
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return 1; |
203 |
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204 |
my $chunk; |
my $chunk; |
205 |
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217 |
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218 |
$self->_write_chunk( $addr, $chunk ); |
$self->_write_chunk( $addr, $chunk ); |
219 |
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220 |
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return 1; |
221 |
}; |
}; |
222 |
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=head2 save_dump |
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$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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} |
|
223 |
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|
224 |
=head1 Memory management |
=head1 Memory management |
225 |
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|
236 |
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|
237 |
=cut |
=cut |
238 |
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239 |
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my $keyboard_none = 255; |
240 |
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241 |
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my $keyboard = { |
242 |
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0x87FC => { |
243 |
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'right' => 16, |
244 |
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'down' => 128, |
245 |
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'up' => 192, |
246 |
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'left' => 224, |
247 |
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'backspace' => 224, |
248 |
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}, |
249 |
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0x87FD => sub { |
250 |
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my ( $self, $key ) = @_; |
251 |
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if ( $key eq 'return' ) { |
252 |
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M6502::_write( 0xfc, 13 ); |
253 |
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warn "return\n"; |
254 |
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return 0; |
255 |
|
} elsif ( $key =~ m/ ctrl/ || $self->key_down( 'left ctrl' ) || $self->key_down( 'right ctrl' ) ) { |
256 |
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warn "ctrl\n"; |
257 |
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return 16; |
258 |
|
} |
259 |
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return $keyboard_none; |
260 |
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}, |
261 |
|
0x87FA => { |
262 |
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'f4' => 16, |
263 |
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'f3' => 128, |
264 |
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'f2' => 192, |
265 |
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'f1' => 224, |
266 |
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}, |
267 |
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0x87FB => sub { |
268 |
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my ( $self, $key ) = @_; |
269 |
|
if ( $key eq 'space' ) { |
270 |
|
return 32; |
271 |
|
} elsif ( $self->key_down( 'left shift' ) || $self->key_down( 'right shift' ) ) { |
272 |
|
warn "shift\n"; |
273 |
|
return 16; |
274 |
|
# } elsif ( $self->tape ) { |
275 |
|
# warn "has tape!"; |
276 |
|
# return 0; |
277 |
|
} |
278 |
|
return $keyboard_none; |
279 |
|
}, |
280 |
|
0x87F6 => { |
281 |
|
'6' => 16, |
282 |
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't' => 128, |
283 |
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'y' => 192, # hr: z |
284 |
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'r' => 224, |
285 |
|
}, |
286 |
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0x87F7 => { |
287 |
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'5' => 32, |
288 |
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'4' => 16, |
289 |
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}, |
290 |
|
0x87EE => { |
291 |
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'7' => 16, |
292 |
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'u' => 128, |
293 |
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'i' => 192, |
294 |
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'o' => 224, |
295 |
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}, |
296 |
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0x87EF => { |
297 |
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'8' => 32, |
298 |
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'9' => 16, |
299 |
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}, |
300 |
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0x87DE => { |
301 |
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'1' => 16, |
302 |
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'w' => 128, |
303 |
|
'q' => 192, |
304 |
|
'e' => 224, |
305 |
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}, |
306 |
|
0x87DF => { |
307 |
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'2' => 32, |
308 |
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'3' => 16, |
309 |
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}, |
310 |
|
0x87BE => { |
311 |
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'm' => 16, |
312 |
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'k' => 128, |
313 |
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'j' => 192, |
314 |
|
'l' => 224, |
315 |
|
}, |
316 |
|
0x87BF => { |
317 |
|
',' => 32, # < |
318 |
|
'.' => 16, # > |
319 |
|
}, |
320 |
|
0x877E => { |
321 |
|
'z' => 16, # hr:y |
322 |
|
's' => 128, |
323 |
|
'a' => 192, |
324 |
|
'd' => 224, |
325 |
|
}, |
326 |
|
0x877F => { |
327 |
|
'x' => 32, |
328 |
|
'c' => 16, |
329 |
|
}, |
330 |
|
0x86FE => { |
331 |
|
'n' => 16, |
332 |
|
'g' => 128, |
333 |
|
'h' => 192, |
334 |
|
'f' => 224, |
335 |
|
}, |
336 |
|
0x86FF => { |
337 |
|
'b' => 32, |
338 |
|
'v' => 16, |
339 |
|
}, |
340 |
|
0x85FE => { |
341 |
|
'<' => 16, # : |
342 |
|
'\\' => 128, # ¾ |
343 |
|
'\'' => 192, # ę |
344 |
|
';' => 224, # č |
345 |
|
}, |
346 |
|
0x85FF => { |
347 |
|
'/' => 32, |
348 |
|
'f11' => 16, # ^ |
349 |
|
}, |
350 |
|
0x83FE => { |
351 |
|
'f12' => 16, # ; |
352 |
|
'[' => 128, # ¹ |
353 |
|
']' => 192, # š |
354 |
|
'p' => 224, |
355 |
|
}, |
356 |
|
0x83FF => { |
357 |
|
'-' => 32, |
358 |
|
'0' => 16, |
359 |
|
}, |
360 |
|
}; |
361 |
|
|
362 |
sub read { |
sub read { |
363 |
my $self = shift; |
my $self = shift; |
364 |
my ($addr) = @_; |
my ($addr) = @_; |
365 |
my $byte = $mem[$addr]; |
my $byte = $mem[$addr]; |
366 |
|
confess sprintf("can't find memory at address %04x",$addr) unless defined($byte); |
367 |
warn sprintf("# Orao::read(%04x) = %02x\n", $addr, $byte) if $self->trace; |
warn sprintf("# Orao::read(%04x) = %02x\n", $addr, $byte) if $self->trace; |
368 |
|
|
369 |
|
# keyboard |
370 |
|
|
371 |
|
if ( defined( $keyboard->{$addr} ) ) { |
372 |
|
warn sprintf("keyboard port: %04x\n",$addr) if $self->trace; |
373 |
|
my $key = $self->key_pressed; |
374 |
|
if ( defined($key) ) { |
375 |
|
my $ret = $keyboard_none; |
376 |
|
my $r = $keyboard->{$addr} || confess "no definition for keyboard port found"; |
377 |
|
if ( ref($r) eq 'CODE' ) { |
378 |
|
$ret = $r->($self, $key); |
379 |
|
} elsif ( defined($r->{$key}) ) { |
380 |
|
$ret = $r->{$key}; |
381 |
|
if ( ref($ret) eq 'CODE' ) { |
382 |
|
$ret = $ret->($self); |
383 |
|
} |
384 |
|
} else { |
385 |
|
warn sprintf("keyboard port: %04x unknown key: '%s'\n", $addr, $key) if $debug; |
386 |
|
} |
387 |
|
warn sprintf("keyboard port: %04x key:%s code:%d\n",$addr,$key,$ret) if ( $ret != $keyboard_none ); |
388 |
|
return $ret; |
389 |
|
} |
390 |
|
return $keyboard_none; |
391 |
|
} |
392 |
|
|
393 |
|
if ( $addr == 0x87ff ) { |
394 |
|
return $self->read_tape; |
395 |
|
} |
396 |
|
|
397 |
$self->mmap_pixel( $addr, 0, $byte, 0 ); |
$self->mmap_pixel( $addr, 0, $byte, 0 ); |
398 |
return $byte; |
return $byte; |
399 |
} |
} |
411 |
my ($addr,$byte) = @_; |
my ($addr,$byte) = @_; |
412 |
warn sprintf("# Orao::write(%04x,%02x)\n", $addr, $byte) if $self->trace; |
warn sprintf("# Orao::write(%04x,%02x)\n", $addr, $byte) if $self->trace; |
413 |
|
|
414 |
if ( $addr >= 0x6000 && $addr < 0x8000 ) { |
if ( $addr == 0x8800 ) { |
415 |
$self->vram( $addr - 0x6000 , $byte ); |
warn sprintf "sound ignored: %x\n", $byte; |
416 |
} |
} |
417 |
|
|
418 |
if ( $addr > 0xafff ) { |
if ( $addr > 0xafff ) { |
419 |
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; |
|
420 |
} |
} |
421 |
|
|
422 |
$self->mmap_pixel( $addr, $byte, 0, 0 ); |
$self->mmap_pixel( $addr, $byte, 0, 0 ); |
425 |
return; |
return; |
426 |
} |
} |
427 |
|
|
428 |
=head1 Command Line |
=head2 render_vram |
|
|
|
|
Command-line debugging intrerface is implemented for communication with |
|
|
emulated device |
|
429 |
|
|
430 |
=head2 cli |
Render one frame of video ram |
431 |
|
|
432 |
$orao->cli(); |
$self->render_vram( @video_memory ); |
433 |
|
|
434 |
=cut |
=cut |
435 |
|
|
436 |
my $last = 'r 1'; |
my @flip; |
437 |
|
|
438 |
sub cli { |
foreach my $i ( 0 .. 255 ) { |
439 |
|
my $t = 0; |
440 |
|
$i & 0b00000001 and $t = $t | 0b10000000; |
441 |
|
$i & 0b00000010 and $t = $t | 0b01000000; |
442 |
|
$i & 0b00000100 and $t = $t | 0b00100000; |
443 |
|
$i & 0b00001000 and $t = $t | 0b00010000; |
444 |
|
$i & 0b00010000 and $t = $t | 0b00001000; |
445 |
|
$i & 0b00100000 and $t = $t | 0b00000100; |
446 |
|
$i & 0b01000000 and $t = $t | 0b00000010; |
447 |
|
$i & 0b10000000 and $t = $t | 0b00000001; |
448 |
|
#warn "$i = $t\n"; |
449 |
|
$flip[$i] = $t; |
450 |
|
} |
451 |
|
|
452 |
|
|
453 |
|
sub render_vram { |
454 |
my $self = shift; |
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 $c\n"; |
|
|
last; |
|
|
} |
|
|
} |
|
455 |
|
|
456 |
|
confess "no data?" unless (@_); |
457 |
|
confess "screen size not 256*256/8 but ",($#_+1) unless (($#_+1) == (256*256/8)); |
458 |
|
|
459 |
|
return unless $self->booted; |
460 |
|
|
461 |
|
my $pixels = pack("C*", map { $flip[$_] } @_); |
462 |
|
|
463 |
|
my $vram = SDL::Surface->new( |
464 |
|
-width => 256, |
465 |
|
-height => 256, |
466 |
|
-depth => 1, # 1 bit per pixel |
467 |
|
-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 |