3 |
use warnings; |
use warnings; |
4 |
use strict; |
use strict; |
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6 |
use Carp; |
use Carp qw/confess/; |
7 |
use lib './lib'; |
use lib './lib'; |
8 |
#use Time::HiRes qw(time); |
#use Time::HiRes qw(time); |
9 |
use File::Slurp; |
use File::Slurp; |
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use Data::Dump qw/dump/; |
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use M6502; |
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use base qw(Class::Accessor M6502 Screen); |
use base qw(Class::Accessor VRac M6502 Screen Prefs Tape); |
14 |
__PACKAGE__->mk_accessors(qw(debug trace run_for mem_dump trace)); |
#__PACKAGE__->mk_accessors(qw()); |
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16 |
=head1 NAME |
=head1 NAME |
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20 |
=head1 VERSION |
=head1 VERSION |
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22 |
Version 0.02 |
Version 0.04 |
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=cut |
=cut |
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our $VERSION = '0.02'; |
our $VERSION = '0.04'; |
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28 |
=head1 SUMMARY |
=head1 SUMMARY |
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32 |
=cut |
=cut |
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34 |
=head2 init |
=head1 FUNCTIONS |
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36 |
Start emulator |
=head2 boot |
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Start emulator, open L<Screen>, load initial ROM images, and render memory |
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40 |
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my $emu = Orao->new({}); |
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$emu->boot; |
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=cut |
=cut |
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sub init { |
our $emu; |
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47 |
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select(STDERR); $| = 1; |
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49 |
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sub boot { |
50 |
my $self = shift; |
my $self = shift; |
51 |
warn "call upstream init\n"; |
warn "Orao calling upstream init\n"; |
52 |
$self->SUPER::init( @_ ); |
$self->SUPER::init( |
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read => sub { $self->read( @_ ) }, |
54 |
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write => sub { $self->write( @_ ) }, |
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); |
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57 |
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warn "Orao $Orao::VERSION emulation starting\n"; |
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warn "staring Orao $Orao::VERSION emulation\n"; |
warn "emulating ", $#mem, " bytes of memory\n"; |
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61 |
$self->open_screen; |
$self->open_screen; |
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$self->load_rom; |
$self->load_rom({ |
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# 0x1000 => 'dump/SCRINV.BIN', |
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# should be 0x6000, but oraoemu has 2 byte prefix |
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# 0x5FFE => 'dump/screen.dmp', |
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# 0xC000 => 'rom/Orao/BAS12.ROM', |
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# 0xE000 => 'rom/Orao/CRT12.ROM', |
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0xC000 => 'rom/Orao/BAS13.ROM', |
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0xE000 => 'rom/Orao/CRT13.ROM', |
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}); |
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# $PC = 0xDD11; # BC |
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# $PC = 0xC274; # MC |
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$PC = 0xff89; |
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$emu = $self; |
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# $self->prompt( 0x1000 ); |
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81 |
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my ( $trace, $debug ) = ( $self->trace, $self->debug ); |
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$self->trace( 0 ); |
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$self->debug( 0 ); |
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warn "rendering video memory\n"; |
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$self->render_vram( @mem[ 0x6000 .. 0x7fff ] ); |
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88 |
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if ( $self->show_mem ) { |
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warn "rendering memory map\n"; |
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$self->render_mem( @mem ); |
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my @mmap = ( |
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0x0000, 0x03FF, 'nulti blok', |
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0x0400, 0x5FFF, 'korisnički RAM (23K)', |
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0x6000, 0x7FFF, 'video RAM', |
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0x8000, 0x9FFF, 'sistemske lokacije', |
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0xA000, 0xAFFF, 'ekstenzija', |
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0xB000, 0xBFFF, 'DOS', |
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0xC000, 0xDFFF, 'BASIC ROM', |
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0xE000, 0xFFFF, 'sistemski ROM', |
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); |
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} |
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$self->sync; |
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$self->trace( $trace ); |
108 |
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$self->debug( $debug ); |
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#( $A, $P, $X, $Y, $S, $IPeriod ) = ( 1, 2, 3, 4, 5, 6 ); |
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warn "Orao boot finished", |
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$self->trace ? ' trace' : '', |
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$self->debug ? ' debug' : '', |
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"\n"; |
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M6502::reset(); |
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$self->booted( 1 ); |
120 |
} |
} |
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my $loaded_files = { |
=head2 run |
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0xC000 => 'rom/BAS12.ROM', |
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0xE000 => 'rom/CRT12.ROM', |
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}; |
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=head2 load_rom |
Run interactive emulation loop |
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called to init memory and load initial rom images |
$emu->run; |
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128 |
$orao->load_rom; |
=cut |
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sub run { |
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my $self = shift; |
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$self->boot if ( ! $self->booted ); |
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# $self->load_tape( '../oraoigre/bdash.tap' ); |
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137 |
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$self->loop; |
138 |
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}; |
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=head1 Helper functions |
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=cut |
=cut |
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sub load_rom { |
# write chunk directly into memory, updateing vram if needed |
145 |
my ($self) = @_; |
sub _write_chunk { |
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my $self = shift; |
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my ( $addr, $chunk ) = @_; |
148 |
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$self->write_chunk( $addr, $chunk ); |
149 |
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my $end = $addr + length($chunk); |
150 |
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my ( $f, $t ) = ( 0x6000, 0x7fff ); |
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152 |
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if ( $end < $f || $addr >= $t ) { |
153 |
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warn "skip vram update\n"; |
154 |
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return; |
155 |
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}; |
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#my $time_base = time(); |
$f = $addr if ( $addr > $f ); |
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$t = $end if ( $end < $t ); |
159 |
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160 |
foreach my $addr ( sort keys %$loaded_files ) { |
warn sprintf("refresh video ram %04x-%04x\n", $f, $t); |
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my $path = $loaded_files->{$addr}; |
$self->render_vram( @mem[ 0x6000 .. 0x7fff ] ); |
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printf "loading '%s' at %04x\n", $path, $addr; |
$self->render_mem( @mem ) if $self->show_mem; |
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$self->load_oraoemu( $path, $addr ); |
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} |
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163 |
} |
} |
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=head2 load_image |
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Load binary files, ROM images and Orao Emulator files |
168 |
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169 |
=head2 load_oraoemu |
$emu->load_image( '/path/to/file', 0x1000 ); |
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Returns true on success. |
172 |
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173 |
=cut |
=cut |
174 |
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175 |
sub load_oraoemu { |
sub load_image { |
176 |
my $self = shift; |
my $self = shift; |
177 |
my ( $path, $addr ) = @_; |
my ( $path, $addr ) = @_; |
178 |
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179 |
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if ( ! -e $path ) { |
180 |
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warn "ERROR: file $path doesn't exist\n"; |
181 |
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return; |
182 |
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} |
183 |
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184 |
my $size = -s $path || confess "no size for $path: $!"; |
my $size = -s $path || confess "no size for $path: $!"; |
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186 |
my $buff = read_file( $path ); |
my $buff = read_file( $path ); |
187 |
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188 |
if ( $size == 65538 ) { |
if ( $size == 65538 ) { |
189 |
$addr = 0; |
$addr = 0; |
190 |
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; |
191 |
$self->write_chunk( $addr, substr($buff,2) ); |
$self->_write_chunk( $addr, substr($buff,2) ); |
192 |
return; |
return 1; |
193 |
} elsif ( $size == 32800 ) { |
} elsif ( $size == 32800 ) { |
194 |
$addr = 0; |
$addr = 0; |
195 |
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, $size; |
196 |
#$self->write_chunk( $addr, substr($buff,0x20) ); |
$self->_write_chunk( $addr, substr($buff,0x20) ); |
197 |
$self->poke_code( $addr, map { ord($_) } split(//,substr($buff,0x20)) ); |
return 1; |
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return; |
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198 |
} |
} |
199 |
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; |
200 |
return $self->write_chunk( $addr, $buff ); |
$self->_write_chunk( $addr, $buff ); |
201 |
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return 1; |
202 |
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203 |
my $chunk; |
my $chunk; |
204 |
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214 |
$pos += 4; |
$pos += 4; |
215 |
} |
} |
216 |
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217 |
$self->write_chunk( $addr, $chunk ); |
$self->_write_chunk( $addr, $chunk ); |
218 |
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219 |
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return 1; |
220 |
}; |
}; |
221 |
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=head2 save_dump |
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222 |
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223 |
$orao->save_dump( 'filename', $from, $to ); |
=head1 Memory management |
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225 |
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Orao implements all I/O using mmap addresses. This was main reason why |
226 |
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L<Acme::6502> was just too slow to handle it. |
227 |
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228 |
=cut |
=cut |
229 |
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230 |
sub save_dump { |
=head2 read |
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my $self = shift; |
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231 |
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232 |
my ( $path, $from, $to ) = @_; |
Read from memory |
233 |
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234 |
$from ||= 0; |
$byte = read( $address ); |
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$to ||= 0xffff; |
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235 |
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236 |
open(my $fh, '>', $path) || die "can't open $path: $!"; |
=cut |
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print $fh $self->read_chunk( $from, $to ); |
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close($fh); |
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237 |
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238 |
my $size = -s $path; |
my $keyboard_none = 255; |
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printf "saved %s %d %x bytes\n", $path, $size, $size; |
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} |
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239 |
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240 |
=head2 hexdump |
my $keyboard = { |
241 |
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0x87FC => { |
242 |
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'right' => 16, |
243 |
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'down' => 128, |
244 |
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'up' => 192, |
245 |
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'left' => 224, |
246 |
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'backspace' => 224, |
247 |
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}, |
248 |
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0x87FD => sub { |
249 |
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my ( $self, $key ) = @_; |
250 |
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if ( $key eq 'return' ) { |
251 |
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M6502::_write( 0xfc, 13 ); |
252 |
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warn "return\n"; |
253 |
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return 0; |
254 |
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} elsif ( $key =~ m/ ctrl/ || $self->key_down( 'left ctrl' ) || $self->key_down( 'right ctrl' ) ) { |
255 |
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warn "ctrl\n"; |
256 |
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return 16; |
257 |
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} |
258 |
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return $keyboard_none; |
259 |
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}, |
260 |
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0x87FA => { |
261 |
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'f4' => 16, |
262 |
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'f3' => 128, |
263 |
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'f2' => 192, |
264 |
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'f1' => 224, |
265 |
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}, |
266 |
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0x87FB => sub { |
267 |
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my ( $self, $key ) = @_; |
268 |
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if ( $key eq 'space' ) { |
269 |
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return 32; |
270 |
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} elsif ( $self->key_down( 'left shift' ) || $self->key_down( 'right shift' ) ) { |
271 |
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warn "shift\n"; |
272 |
|
return 16; |
273 |
|
# } elsif ( $self->tape ) { |
274 |
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# warn "has tape!"; |
275 |
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# return 0; |
276 |
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} |
277 |
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return $keyboard_none; |
278 |
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}, |
279 |
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0x87F6 => { |
280 |
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'6' => 16, |
281 |
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't' => 128, |
282 |
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'y' => 192, # hr: z |
283 |
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'r' => 224, |
284 |
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}, |
285 |
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0x87F7 => { |
286 |
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'5' => 32, |
287 |
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'4' => 16, |
288 |
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}, |
289 |
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0x87EE => { |
290 |
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'7' => 16, |
291 |
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'u' => 128, |
292 |
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'i' => 192, |
293 |
|
'o' => 224, |
294 |
|
}, |
295 |
|
0x87EF => { |
296 |
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'8' => 32, |
297 |
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'9' => 16, |
298 |
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}, |
299 |
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0x87DE => { |
300 |
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'1' => 16, |
301 |
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'w' => 128, |
302 |
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'q' => 192, |
303 |
|
'e' => 224, |
304 |
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}, |
305 |
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0x87DF => { |
306 |
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'2' => 32, |
307 |
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'3' => 16, |
308 |
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}, |
309 |
|
0x87BE => { |
310 |
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'm' => 16, |
311 |
|
'k' => 128, |
312 |
|
'j' => 192, |
313 |
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'l' => 224, |
314 |
|
}, |
315 |
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0x87BF => { |
316 |
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',' => 32, # < |
317 |
|
'.' => 16, # > |
318 |
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}, |
319 |
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0x877E => { |
320 |
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'z' => 16, # hr:y |
321 |
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's' => 128, |
322 |
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'a' => 192, |
323 |
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'd' => 224, |
324 |
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}, |
325 |
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0x877F => { |
326 |
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'x' => 32, |
327 |
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'c' => 16, |
328 |
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}, |
329 |
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0x86FE => { |
330 |
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'n' => 16, |
331 |
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'g' => 128, |
332 |
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'h' => 192, |
333 |
|
'f' => 224, |
334 |
|
}, |
335 |
|
0x86FF => { |
336 |
|
'b' => 32, |
337 |
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'v' => 16, |
338 |
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}, |
339 |
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0x85FE => { |
340 |
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'<' => 16, # : |
341 |
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'\\' => 128, # ¾ |
342 |
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'\'' => 192, # ę |
343 |
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';' => 224, # č |
344 |
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}, |
345 |
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0x85FF => { |
346 |
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'/' => 32, |
347 |
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'f11' => 16, # ^ |
348 |
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}, |
349 |
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0x83FE => { |
350 |
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'f12' => 16, # ; |
351 |
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'[' => 128, # ¹ |
352 |
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']' => 192, # š |
353 |
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'p' => 224, |
354 |
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}, |
355 |
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0x83FF => { |
356 |
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'-' => 32, |
357 |
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'0' => 16, |
358 |
|
}, |
359 |
|
}; |
360 |
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|
361 |
$orao->hexdump( $address ); |
sub read { |
362 |
|
my $self = shift; |
363 |
|
my ($addr) = @_; |
364 |
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my $byte = $mem[$addr]; |
365 |
|
confess sprintf("can't find memory at address %04x",$addr) unless defined($byte); |
366 |
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warn sprintf("# Orao::read(%04x) = %02x\n", $addr, $byte) if $self->trace; |
367 |
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|
368 |
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# keyboard |
369 |
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|
370 |
|
if ( defined( $keyboard->{$addr} ) ) { |
371 |
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warn sprintf("keyboard port: %04x\n",$addr) if $self->trace; |
372 |
|
my $key = $self->key_pressed; |
373 |
|
if ( defined($key) ) { |
374 |
|
my $ret = $keyboard_none; |
375 |
|
my $r = $keyboard->{$addr} || confess "no definition for keyboard port found"; |
376 |
|
if ( ref($r) eq 'CODE' ) { |
377 |
|
$ret = $r->($self, $key); |
378 |
|
} elsif ( defined($r->{$key}) ) { |
379 |
|
$ret = $r->{$key}; |
380 |
|
if ( ref($ret) eq 'CODE' ) { |
381 |
|
$ret = $ret->($self); |
382 |
|
} |
383 |
|
} else { |
384 |
|
warn sprintf("keyboard port: %04x unknown key: '%s'\n", $addr, $key) if $debug; |
385 |
|
} |
386 |
|
warn sprintf("keyboard port: %04x key:%s code:%d\n",$addr,$key,$ret) if ( $ret != $keyboard_none ); |
387 |
|
return $ret; |
388 |
|
} |
389 |
|
return $keyboard_none; |
390 |
|
} |
391 |
|
|
392 |
=cut |
if ( $addr == 0x87ff ) { |
393 |
|
return $self->read_tape; |
394 |
|
} |
395 |
|
|
396 |
sub hexdump { |
$self->mmap_pixel( $addr, 0, $byte, 0 ); |
397 |
my $self = shift; |
return $byte; |
|
my $a = shift; |
|
|
return sprintf(" %04x %s\n", $a, |
|
|
join(" ", |
|
|
map { |
|
|
sprintf( "%02x", $_ ) |
|
|
} $self->ram( $a, $a+8 ) |
|
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) |
|
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); |
|
398 |
} |
} |
399 |
|
|
400 |
=head2 prompt |
=head2 write |
401 |
|
|
402 |
|
Write into emory |
403 |
|
|
404 |
$orao->prompt( $address, $last_command ); |
write( $address, $byte ); |
405 |
|
|
406 |
=cut |
=cut |
407 |
|
|
408 |
sub prompt { |
sub write { |
409 |
my $self = shift; |
my $self = shift; |
410 |
my $a = shift; |
my ($addr,$byte) = @_; |
411 |
my $last = shift; |
warn sprintf("# Orao::write(%04x,%02x)\n", $addr, $byte) if $self->trace; |
|
print $self->hexdump( $a ), |
|
|
$last ? "[$last] " : '', |
|
|
"> "; |
|
|
my $in = <STDIN>; |
|
|
chomp($in); |
|
|
$in ||= $last; |
|
|
$last = $in; |
|
|
return split(/\s+/, $in) if $in; |
|
|
} |
|
412 |
|
|
413 |
|
if ( $addr == 0x8800 ) { |
414 |
|
warn sprintf "sound ignored: %x\n", $byte; |
415 |
|
} |
416 |
|
|
417 |
|
if ( $addr > 0xafff ) { |
418 |
|
confess sprintf "write access 0x%04x > 0xafff aborting\n", $addr; |
419 |
|
} |
420 |
|
|
421 |
|
$self->mmap_pixel( $addr, $byte, 0, 0 ); |
422 |
|
|
423 |
|
$mem[$addr] = $byte; |
424 |
|
return; |
425 |
|
} |
426 |
|
|
427 |
=head1 AUTHOR |
=head1 AUTHOR |
428 |
|
|