4 |
use strict; |
use strict; |
5 |
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6 |
use Carp qw/confess/; |
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 List::Util qw/first/; |
use M6502; # import @mem $PC and friends |
10 |
use M6502; |
use Screen qw/$white $black/; |
11 |
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12 |
use base qw(Class::Accessor M6502 Screen Prefs); |
use base qw(Class::Accessor VRac M6502 Screen Prefs Tape); |
13 |
__PACKAGE__->mk_accessors(qw(run_for)); |
#__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 0.03 |
Version 0.05 |
22 |
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23 |
=cut |
=cut |
24 |
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25 |
our $VERSION = '0.03'; |
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 @kbd_ports = ( |
=head1 FUNCTIONS |
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0x87FC,0x87FD,0x87FA,0x87FB,0x87F6,0x87F7, |
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0x87EE,0x87EF,0x87DE,0x87DF,0x87BE,0x87BF, |
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0x877E,0x877F,0x86FE,0x86FF,0x85FE,0x85FF, |
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0x83FE,0x83FF, |
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); |
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34 |
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35 |
=head2 boot |
=head2 run |
36 |
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37 |
Start emulator, open L<Screen>, load initial ROM images, and render memory |
Start emulator, open L<Screen>, load initial ROM images, and start emulator loop |
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my $orao = Orao->new({}); |
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$orao->boot; |
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38 |
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39 |
=cut |
=cut |
40 |
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41 |
our $orao; |
our $emu; |
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select(STDERR); $| = 1; |
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42 |
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43 |
sub boot { |
sub run { |
44 |
my $self = shift; |
my $self = shift; |
45 |
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46 |
warn "Orao calling upstream init\n"; |
warn "Orao calling upstream init\n"; |
47 |
$self->SUPER::init( |
$self->SUPER::init( |
48 |
read => sub { $self->read( @_ ) }, |
read => sub { $self->read( @_ ) }, |
53 |
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|
54 |
warn "emulating ", $#mem, " bytes of memory\n"; |
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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58 |
$self->open_screen; |
$self->open_screen; |
59 |
$self->load_rom({ |
$self->load_rom({ |
60 |
0x1000 => 'dump/SCRINV.BIN', |
# 0x1000 => 'dump/SCRINV.BIN', |
61 |
# should be 0x6000, but oraoemu has 2 byte prefix |
# should be 0x6000, but oraoemu has 2 byte prefix |
62 |
0x5FFE => 'dump/screen.dmp', |
# 0x5FFE => '/home/dpavlin/orao/dump/screen.dmp', |
63 |
0xC000 => 'rom/BAS12.ROM', |
# 0xC000 => 'rom/Orao/BAS12.ROM', |
64 |
0xE000 => 'rom/CRT12.ROM', |
# 0xE000 => 'rom/Orao/CRT12.ROM', |
65 |
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0xC000 => 'rom/Orao/BAS13.ROM', |
66 |
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0xE000 => 'rom/Orao/CRT13.ROM', |
67 |
}); |
}); |
68 |
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69 |
# $PC = 0xDD11; # BC |
# $PC = 0xDD11; # BC |
71 |
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72 |
$PC = 0xff89; |
$PC = 0xff89; |
73 |
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74 |
$orao = $self; |
$emu = $self; |
75 |
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76 |
# $self->prompt( 0x1000 ); |
# $self->prompt( 0x1000 ); |
77 |
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|
79 |
$self->trace( 0 ); |
$self->trace( 0 ); |
80 |
$self->debug( 0 ); |
$self->debug( 0 ); |
81 |
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82 |
$self->render( @mem[ 0x6000 .. 0x7fff ] ); |
warn "rendering video memory\n"; |
83 |
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$self->render_vram; |
84 |
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85 |
if ( $self->show_mem ) { |
if ( $self->show_mem ) { |
86 |
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99 |
0xE000, 0xFFFF, 'sistemski ROM', |
0xE000, 0xFFFF, 'sistemski ROM', |
100 |
); |
); |
101 |
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} else { |
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warn "rendering video memory\n"; |
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$self->render( @mem[ 0x6000 .. 0x7fff ] ); |
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102 |
} |
} |
103 |
$self->sync; |
$self->sync; |
104 |
$self->trace( $trace ); |
$self->trace( $trace ); |
105 |
$self->debug( $debug ); |
$self->debug( $debug ); |
106 |
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#( $A, $P, $X, $Y, $S, $IPeriod ) = ( 1, 2, 3, 4, 5, 6 ); |
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107 |
warn "Orao boot finished", |
warn "Orao boot finished", |
108 |
$self->trace ? ' trace' : '', |
$self->trace ? ' trace' : '', |
109 |
$self->debug ? ' debug' : '', |
$self->debug ? ' debug' : '', |
111 |
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112 |
M6502::reset(); |
M6502::reset(); |
113 |
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114 |
} |
# $self->load_tape( '../oraoigre/bdash.tap' ); |
115 |
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116 |
=head2 load_rom |
$self->loop( sub { |
117 |
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my $run_for = shift; |
118 |
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warn sprintf("about to exec from PC %04x for %d cycles\n", $PC, $run_for) if $self->trace; |
119 |
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M6502::exec( $run_for ); |
120 |
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$self->render_vram; |
121 |
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}); |
122 |
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}; |
123 |
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called to init memory and load initial rom images |
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124 |
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125 |
$orao->load_rom; |
=head1 Helper functions |
126 |
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127 |
=cut |
=head2 write_chunk |
128 |
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129 |
sub load_rom { |
Write chunk directly into memory, updateing vram if needed |
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my ($self, $loaded_files) = @_; |
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130 |
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131 |
#my $time_base = time(); |
$emu->write_chunk( 0x1000, $chunk_data ); |
132 |
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133 |
foreach my $addr ( sort keys %$loaded_files ) { |
=cut |
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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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134 |
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135 |
# write chunk directly into memory, updateing vram if needed |
sub write_chunk { |
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sub _write_chunk { |
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136 |
my $self = shift; |
my $self = shift; |
137 |
my ( $addr, $chunk ) = @_; |
my ( $addr, $chunk ) = @_; |
138 |
$self->write_chunk( $addr, $chunk ); |
$self->SUPER::write_chunk( $addr, $chunk ); |
139 |
my $end = $addr + length($chunk); |
my $end = $addr + length($chunk); |
140 |
my ( $f, $t ) = ( 0x6000, 0x7fff ); |
my ( $f, $t ) = ( 0x6000, 0x7fff ); |
141 |
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148 |
$t = $end if ( $end < $t ); |
$t = $end if ( $end < $t ); |
149 |
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150 |
warn sprintf("refresh video ram %04x-%04x\n", $f, $t); |
warn sprintf("refresh video ram %04x-%04x\n", $f, $t); |
151 |
# foreach my $a ( $f .. $t ) { |
$self->render_vram; |
152 |
# $self->vram( $a - 0x6000 , $mem[ $a ] ); |
$self->render_mem( @mem ); |
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# } |
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$self->render( @mem[ 0x6000 .. 0x7fff ] ); |
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$self->render_mem( @mem ) if $self->show_mem; |
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153 |
} |
} |
154 |
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155 |
=head2 load_oraoemu |
=head2 load_image |
156 |
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157 |
Load binary files, ROM images and Orao Emulator files |
Load binary files, ROM images and Orao Emulator files |
158 |
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159 |
$orao->load_oraoemu( '/path/to/file', 0x1000 ); |
$emu->load_image( '/path/to/file', 0x1000 ); |
160 |
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161 |
Returns true on success. |
Returns true on success. |
162 |
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163 |
=cut |
=cut |
164 |
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165 |
sub load_oraoemu { |
sub load_image { |
166 |
my $self = shift; |
my $self = shift; |
167 |
my ( $path, $addr ) = @_; |
my ( $path, $addr ) = @_; |
168 |
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|
178 |
if ( $size == 65538 ) { |
if ( $size == 65538 ) { |
179 |
$addr = 0; |
$addr = 0; |
180 |
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; |
181 |
$self->_write_chunk( $addr, substr($buff,2) ); |
$self->write_chunk( $addr, substr($buff,2) ); |
182 |
return 1; |
return 1; |
183 |
} elsif ( $size == 32800 ) { |
} elsif ( $size == 32800 ) { |
184 |
$addr = 0; |
$addr = 0; |
185 |
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; |
186 |
$self->_write_chunk( $addr, substr($buff,0x20) ); |
$self->write_chunk( $addr, substr($buff,0x20) ); |
187 |
return 1; |
return 1; |
188 |
} |
} |
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printf "loading %s at %04x - %04x %02x\n", $path, $addr, $addr+$size-1, $size; |
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$self->_write_chunk( $addr, $buff ); |
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return 1; |
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my $chunk; |
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my $pos = 0; |
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while ( my $long = substr($buff,$pos,4) ) { |
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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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} |
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$self->_write_chunk( $addr, $chunk ); |
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189 |
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190 |
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printf "loading %s at %04x - %04x %02x\n", $path, $addr, $addr+$size-1, $size; |
191 |
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$self->write_chunk( $addr, $buff ); |
192 |
return 1; |
return 1; |
193 |
}; |
}; |
194 |
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=head2 save_dump |
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$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", $a, |
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join(" ", |
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map { |
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if ( defined($_) ) { |
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sprintf( "%02x", $_ ) |
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} else { |
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' ' |
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} |
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} @mem[ $a .. $a+8 ] |
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) |
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); |
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} |
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195 |
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196 |
=head1 Memory management |
=head1 Memory management |
197 |
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208 |
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|
209 |
=cut |
=cut |
210 |
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211 |
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my $keyboard_none = 255; |
212 |
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213 |
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my $keyboard = { |
214 |
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0x87FC => { |
215 |
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'right' => 16, |
216 |
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'down' => 128, |
217 |
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'up' => 192, |
218 |
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'left' => 224, |
219 |
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'backspace' => 224, |
220 |
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}, |
221 |
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0x87FD => sub { |
222 |
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my ( $self, $key ) = @_; |
223 |
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if ( $key eq 'return' ) { |
224 |
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M6502::_write( 0xfc, 13 ); |
225 |
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warn "return\n"; |
226 |
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return 0; |
227 |
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} elsif ( $key =~ m/ ctrl/ || $self->key_down( 'left ctrl' ) || $self->key_down( 'right ctrl' ) ) { |
228 |
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warn "ctrl\n"; |
229 |
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return 16; |
230 |
|
} |
231 |
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return $keyboard_none; |
232 |
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}, |
233 |
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0x87FA => { |
234 |
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'f4' => 16, |
235 |
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'f3' => 128, |
236 |
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'f2' => 192, |
237 |
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'f1' => 224, |
238 |
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}, |
239 |
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0x87FB => sub { |
240 |
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my ( $self, $key ) = @_; |
241 |
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if ( $key eq 'space' ) { |
242 |
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return 32; |
243 |
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} elsif ( $self->key_down( 'left shift' ) || $self->key_down( 'right shift' ) ) { |
244 |
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warn "shift\n"; |
245 |
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return 16; |
246 |
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# } elsif ( $self->tape ) { |
247 |
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# warn "has tape!"; |
248 |
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# return 0; |
249 |
|
} |
250 |
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return $keyboard_none; |
251 |
|
}, |
252 |
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0x87F6 => { |
253 |
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'6' => 16, |
254 |
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't' => 128, |
255 |
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'y' => 192, # hr: z |
256 |
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'r' => 224, |
257 |
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}, |
258 |
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0x87F7 => { |
259 |
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'5' => 32, |
260 |
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'4' => 16, |
261 |
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}, |
262 |
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0x87EE => { |
263 |
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'7' => 16, |
264 |
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'u' => 128, |
265 |
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'i' => 192, |
266 |
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'o' => 224, |
267 |
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}, |
268 |
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0x87EF => { |
269 |
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'8' => 32, |
270 |
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'9' => 16, |
271 |
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}, |
272 |
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0x87DE => { |
273 |
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'1' => 16, |
274 |
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'w' => 128, |
275 |
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'q' => 192, |
276 |
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'e' => 224, |
277 |
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}, |
278 |
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0x87DF => { |
279 |
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'2' => 32, |
280 |
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'3' => 16, |
281 |
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}, |
282 |
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0x87BE => { |
283 |
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'm' => 16, |
284 |
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'k' => 128, |
285 |
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'j' => 192, |
286 |
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'l' => 224, |
287 |
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}, |
288 |
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0x87BF => { |
289 |
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',' => 32, # < |
290 |
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'.' => 16, # > |
291 |
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}, |
292 |
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0x877E => { |
293 |
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'z' => 16, # hr:y |
294 |
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's' => 128, |
295 |
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'a' => 192, |
296 |
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'd' => 224, |
297 |
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}, |
298 |
|
0x877F => { |
299 |
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'x' => 32, |
300 |
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'c' => 16, |
301 |
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}, |
302 |
|
0x86FE => { |
303 |
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'n' => 16, |
304 |
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'g' => 128, |
305 |
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'h' => 192, |
306 |
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'f' => 224, |
307 |
|
}, |
308 |
|
0x86FF => { |
309 |
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'b' => 32, |
310 |
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'v' => 16, |
311 |
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}, |
312 |
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0x85FE => { |
313 |
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'<' => 16, # : |
314 |
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'\\' => 128, # ¾ |
315 |
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'\'' => 192, # æ |
316 |
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';' => 224, # è |
317 |
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}, |
318 |
|
0x85FF => { |
319 |
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'/' => 32, |
320 |
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'f11' => 16, # ^ |
321 |
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}, |
322 |
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0x83FE => { |
323 |
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'f12' => 16, # ; |
324 |
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'[' => 128, # ¹ |
325 |
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']' => 192, # ð |
326 |
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'p' => 224, |
327 |
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}, |
328 |
|
0x83FF => { |
329 |
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'-' => 32, |
330 |
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'0' => 16, |
331 |
|
}, |
332 |
|
}; |
333 |
|
|
334 |
sub read { |
sub read { |
335 |
my $self = shift; |
my $self = shift; |
336 |
my ($addr) = @_; |
my ($addr) = @_; |
337 |
|
return if ( $addr > 0xffff ); |
338 |
my $byte = $mem[$addr]; |
my $byte = $mem[$addr]; |
339 |
confess sprintf("can't find memory at address %04x",$addr) unless defined($byte); |
confess sprintf("can't find memory at address %04x",$addr) unless defined($byte); |
340 |
warn sprintf("# Orao::read(%04x) = %02x\n", $addr, $byte) if $self->trace; |
warn sprintf("# Orao::read(%04x) = %02x\n", $addr, $byte) if $self->trace; |
341 |
|
|
342 |
# keyboard |
# keyboard |
343 |
|
|
344 |
if ( first { $addr == $_ } @kbd_ports ) { |
if ( defined( $keyboard->{$addr} ) ) { |
345 |
warn sprintf("keyboard port: %04x\n",$addr); |
warn sprintf("keyboard port: %04x\n",$addr) if $self->trace; |
346 |
} elsif ( $addr == 0x87fc ) { |
my $key = $self->key_pressed; |
347 |
warn "0x87fc - arrows/back\n"; |
if ( defined($key) ) { |
348 |
=for pascal |
my $ret = $keyboard_none; |
349 |
if VKey=VK_RIGHT then Result:=16; |
my $r = $keyboard->{$addr} || confess "no definition for keyboard port found"; |
350 |
if VKey=VK_DOWN then Result:=128; |
if ( ref($r) eq 'CODE' ) { |
351 |
if VKey=VK_UP then Result:=192; |
$ret = $r->($self, $key); |
352 |
if VKey=VK_LEFT then Result:=224; |
} elsif ( defined($r->{$key}) ) { |
353 |
if Ord(KeyPressed)=VK_BACK then Result:=224; |
$ret = $r->{$key}; |
354 |
=cut |
if ( ref($ret) eq 'CODE' ) { |
355 |
} elsif ( $addr == 0x87fd ) { |
$ret = $ret->($self); |
356 |
warn "0x87fd - enter\n"; |
} |
357 |
=for pascal |
} else { |
358 |
if KeyPressed=Chr(13) then begin |
warn sprintf("keyboard port: %04x unknown key: '%s'\n", $addr, $key) if $debug; |
359 |
Mem[$FC]:=13; |
} |
360 |
Result:=0; |
warn sprintf("keyboard port: %04x key:%s code:%d\n",$addr,$key,$ret) if ( $ret != $keyboard_none ); |
361 |
end; |
return $ret; |
362 |
=cut |
} |
363 |
} elsif ( $addr == 0x87fa ) { |
return $keyboard_none; |
364 |
warn "0x87fa = F1 - F4\n"; |
} |
365 |
=for pascal |
|
366 |
if VKey=VK_F4 then Result:=16; |
if ( $addr == 0x87ff ) { |
367 |
if VKey=VK_F3 then Result:=128; |
return $self->read_tape; |
|
if VKey=VK_F2 then Result:=192; |
|
|
if VKey=VK_F1 then Result:=224; |
|
|
=cut |
|
|
} elsif ( $addr == 0x87fb ) { |
|
|
warn "0x87fb\n"; |
|
|
=for pascal |
|
|
if KeyPressed=Chr(32) then Result:=32; |
|
|
if KeyPressed='"' then Result:=16; |
|
|
if KeyPressed='!' then Result:=16; |
|
|
if KeyPressed='$' then Result:=16; |
|
|
if KeyPressed='%' then Result:=16; |
|
|
if KeyPressed='&' then Result:=16; |
|
|
if KeyPressed='(' then Result:=16; |
|
|
if KeyPressed=')' then Result:=16; |
|
|
if KeyPressed='=' then Result:=16; |
|
|
if KeyPressed='#' then Result:=16; |
|
|
if KeyPressed='+' then Result:=16; |
|
|
if KeyPressed='*' then Result:=16; |
|
|
if KeyPressed='?' then Result:=16; |
|
|
if KeyPressed='<' then Result:=16; |
|
|
if KeyPressed='>' then Result:=16; |
|
|
if VKey=191 then Result:=16; |
|
|
=cut |
|
368 |
} |
} |
369 |
|
|
370 |
$self->mmap_pixel( $addr, 0, $byte, 0 ); |
$self->mmap_pixel( $addr, 0, $byte, 0 ) if $self->show_mem; |
371 |
return $byte; |
return $byte; |
372 |
} |
} |
373 |
|
|
384 |
my ($addr,$byte) = @_; |
my ($addr,$byte) = @_; |
385 |
warn sprintf("# Orao::write(%04x,%02x)\n", $addr, $byte) if $self->trace; |
warn sprintf("# Orao::write(%04x,%02x)\n", $addr, $byte) if $self->trace; |
386 |
|
|
|
if ( $addr >= 0x6000 && $addr < 0x8000 ) { |
|
|
$self->vram( $addr - 0x6000 , $byte ); |
|
|
} |
|
|
|
|
387 |
if ( $addr == 0x8800 ) { |
if ( $addr == 0x8800 ) { |
388 |
warn sprintf "sound ignored: %x\n", $byte; |
warn sprintf "sound ignored: %x\n", $byte; |
389 |
} |
} |
392 |
confess sprintf "write access 0x%04x > 0xafff aborting\n", $addr; |
confess sprintf "write access 0x%04x > 0xafff aborting\n", $addr; |
393 |
} |
} |
394 |
|
|
395 |
$self->mmap_pixel( $addr, $byte, 0, 0 ); |
$self->mmap_pixel( $addr, $byte, 0, 0 ) if $self->show_mem; |
|
|
|
396 |
$mem[$addr] = $byte; |
$mem[$addr] = $byte; |
397 |
return; |
return; |
398 |
} |
} |
399 |
|
|
400 |
=head1 Command Line |
=head2 render_vram |
401 |
|
|
402 |
Command-line debugging intrerface is implemented for communication with |
Render one frame of video ram |
|
emulated device |
|
403 |
|
|
404 |
=head2 prompt |
$self->render_vram; |
|
|
|
|
my ( $entered_line, @p ) = $orao->prompt( $address, $last_command ); |
|
405 |
|
|
406 |
=cut |
=cut |
407 |
|
|
408 |
my $last = 'r 1'; |
my @flip; |
409 |
|
|
410 |
sub prompt { |
foreach my $i ( 0 .. 255 ) { |
411 |
my $self = shift; |
my $t = 0; |
412 |
$self->app->sync; |
$i & 0b00000001 and $t = $t | 0b10000000; |
413 |
my $a = shift; |
$i & 0b00000010 and $t = $t | 0b01000000; |
414 |
print STDERR $self->hexdump( $a ), |
$i & 0b00000100 and $t = $t | 0b00100000; |
415 |
$last ? "[$last] " : '', |
$i & 0b00001000 and $t = $t | 0b00010000; |
416 |
"> "; |
$i & 0b00010000 and $t = $t | 0b00001000; |
417 |
my $in = <STDIN>; |
$i & 0b00100000 and $t = $t | 0b00000100; |
418 |
chomp($in); |
$i & 0b01000000 and $t = $t | 0b00000010; |
419 |
warn "## prompt got: $in\n" if $self->debug; |
$i & 0b10000000 and $t = $t | 0b00000001; |
420 |
$in ||= $last; |
#warn "$i = $t\n"; |
421 |
$last = $in; |
$flip[$i] = $t; |
|
return ( $in, split(/\s+/, $in) ) if $in; |
|
422 |
} |
} |
423 |
|
|
|
=head2 cli |
|
424 |
|
|
425 |
$orao->cli(); |
sub render_vram { |
426 |
|
my $self = shift; |
427 |
|
|
428 |
=cut |
my $pixels = pack("C*", map { $flip[$_] } @mem[ 0x6000 .. 0x7fff ]); |
429 |
|
|
430 |
my $show_R = 0; |
my $vram = SDL::Surface->new( |
431 |
|
-width => 256, |
432 |
|
-height => 256, |
433 |
|
-depth => 1, # 1 bit per pixel |
434 |
|
-pitch => 32, # bytes per line |
435 |
|
-from => $pixels, |
436 |
|
); |
437 |
|
$vram->set_colors( 0, $black, $white ); |
438 |
|
|
439 |
sub cli { |
$self->render_frame( $vram ); |
440 |
my $self = shift; |
} |
|
my $a = $PC || confess "no pc?"; |
|
|
warn $self->dump_R() if $show_R; |
|
|
while ( my ($line, @v) = $self->prompt( $a, $last ) ) { |
|
|
my $c = shift @v; |
|
|
next unless defined($c); |
|
|
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 '?' ) { |
|
|
my $t = $self->trace ? 'on' : 'off' ; |
|
|
my $d = $self->debug ? 'on' : 'off' ; |
|
|
warn <<__USAGE__; |
|
|
Usage: |
|
|
|
|
|
x|q\t\texit |
|
|
e 6000 6010\tdump memory, +/- to walk forward/backward |
|
|
m 1000 ff 00\tput ff 00 on 1000 |
|
|
j|u 1000\t\tjump (change pc) |
|
|
r 42\t\trun 42 instruction opcodes |
|
|
t\t\ttrace [$t] |
|
|
d\t\tdebug [$d] |
|
|
|
|
|
__USAGE__ |
|
|
warn $self->dump_R; |
|
|
} elsif ( $c =~ m/^e/i ) { |
|
|
$a = $v if defined($v); |
|
|
my $to = shift @v; |
|
|
$to = $a + 32 if ( ! $to || $to <= $a ); |
|
|
$to = 0xffff if ( $to > 0xffff ); |
|
|
my $lines = int( ($to - $a + 8) / 8 ); |
|
|
printf "## e %04x %04x (%d bytes) lines: %d\n", $a, $to, ($to-$a), $lines; |
|
|
while ( --$lines ) { |
|
|
print $self->hexdump( $a ); |
|
|
$a += 8; |
|
|
} |
|
|
$last = '+'; |
|
|
$show_R = 0; |
|
|
} elsif ( $c =~ m/^\+/ ) { |
|
|
$a += 8; |
|
|
$show_R = 0; |
|
|
} elsif ( $c =~ m/^\-/ ) { |
|
|
$a -= 8; |
|
|
$show_R = 0; |
|
|
} elsif ( $c =~ m/^m/i ) { |
|
|
$a = $v if defined($v); |
|
|
$self->poke_code( $a, @v ); |
|
|
printf "poke %d bytes at %04x\n", $#v + 1, $a; |
|
|
$last = '+'; |
|
|
$show_R = 0; |
|
|
} elsif ( $c =~ m/^l/i ) { |
|
|
my $to = shift @v || 0x1000; |
|
|
$a = $to; |
|
|
$self->load_oraoemu( $v, $a ); |
|
|
$last = ''; |
|
|
} elsif ( $c =~ m/^s/i ) { |
|
|
$self->save_dump( $v || 'mem.dump', @v ); |
|
|
$last = ''; |
|
|
} elsif ( $c =~ m/^r/i ) { |
|
|
$run_for = $v || 1; |
|
|
print "run_for $run_for instructions\n"; |
|
|
$show_R = 1; |
|
|
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 = "r $run_for"; |
|
|
$show_R = 1; |
|
|
last; |
|
|
} elsif ( $c =~ m/^t/ ) { |
|
|
$self->trace( not $self->trace ); |
|
|
print "trace ", $self->trace ? 'on' : 'off', "\n"; |
|
|
$last = ''; |
|
|
} elsif ( $c =~ m/^d/ ) { |
|
|
$self->debug( not $self->debug ); |
|
|
print "debug ", $self->debug ? 'on' : 'off', "\n"; |
|
|
$last = ''; |
|
|
} else { |
|
|
warn "# ignored $line\n" if ($line); |
|
|
$last = ''; |
|
|
} |
|
|
} |
|
441 |
|
|
442 |
|
=head2 cpu_PC |
443 |
|
|
444 |
|
=cut |
445 |
|
|
446 |
|
sub cpu_PC { |
447 |
|
my ( $self, $addr ) = @_; |
448 |
|
if ( defined($addr) ) { |
449 |
|
$PC = $addr; |
450 |
|
warn sprintf("running from PC %04x\n", $PC); |
451 |
|
}; |
452 |
|
return $PC; |
453 |
} |
} |
454 |
|
|
455 |
=head1 AUTHOR |
=head1 AUTHOR |