/[VRac]/Screen.pm
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 125 by dpavlin, Sat Aug 4 15:09:44 2007 UTC revision 152 by dpavlin, Sun Aug 5 15:24:22 2007 UTC
# Line 12  use SDL::Constants; Line 12  use SDL::Constants;
12    
13  use Carp qw/confess/;  use Carp qw/confess/;
14  use Data::Dump qw/dump/;  use Data::Dump qw/dump/;
 use M6502 qw'@mem';  
15    
16  use Exporter 'import';  use Exporter 'import';
17  our @EXPORT = qw'$white $black';  our @EXPORT = qw'$white $black';
# Line 46  sub open_screen { Line 45  sub open_screen {
45                  -width  => 256 * $self->scale + ( $self->show_mem ? 256 : 0 ),                  -width  => 256 * $self->scale + ( $self->show_mem ? 256 : 0 ),
46                  -height => 256 * $self->scale,                  -height => 256 * $self->scale,
47                  -depth  => 16,                  -depth  => 16,
48                    -flags=>SDL_DOUBLEBUF | SDL_HWSURFACE | SDL_HWACCEL,
49          );          );
50          #$app->grab_input( SDL_GRAB_QUERY );          #$app->grab_input( SDL_GRAB_QUERY );
51          $app->grab_input( SDL_GRAB_OFF );          $app->grab_input( SDL_GRAB_OFF );
52            $app->title( ref($self) . ' ' . $self::VERSION );
53    
54          $self->app( $app );          $self->app( $app );
55    
# Line 65  my $red                = SDL::Color->new( -r => 0xff, Line 66  my $red                = SDL::Color->new( -r => 0xff,
66  my $green       = SDL::Color->new( -r => 0x00, -g => 0xff, -b => 0x00 );  my $green       = SDL::Color->new( -r => 0x00, -g => 0xff, -b => 0x00 );
67  my $blue        = SDL::Color->new( -r => 0x00, -g => 0x00, -b => 0xff );  my $blue        = SDL::Color->new( -r => 0x00, -g => 0x00, -b => 0xff );
68    
 my $rect_mem = SDL::Rect->new( -x => 256, -y => 0, -width => 256, -height => 256 );  
   
69  =head2 mem_xy  =head2 mem_xy
70    
71  Helper to return x and y coordinates in memory map  Helper to return x and y coordinates in memory map
# Line 126  sub sync { Line 125  sub sync {
125    
126  Render one frame of video ram  Render one frame of video ram
127    
128    $self->render_vram( @video_memory );    $self->render_vram;
129    
130  =cut  =cut
131    
# Line 155  sub render_frame { Line 154  sub render_frame {
154    
155          my $scale = $self->scale || confess "no scale?";          my $scale = $self->scale || confess "no scale?";
156    
157          my $rect                = SDL::Rect->new( -x => 0, -y => 0, -width => 256 * $scale, -height => 256 * $scale );          my $rect        = SDL::Rect->new( -x => 0, -y => 0, -width => 256 * $scale, -height => 256 * $scale );
158          my $rect_screen = SDL::Rect->new( -x => 0, -y => 0, -width => 256 * $scale, -height => 256 * $scale );          my $rect_screen = SDL::Rect->new( -x => 0, -y => 0, -width => 256 * $scale, -height => 256 * $scale );
159    
160          if ( $scale > 1 ) {          if ( $scale > 1 ) {
# Line 173  sub render_frame { Line 172  sub render_frame {
172    
173  =head2 render_mem  =head2 render_mem
174    
175    $self->render_mem( @ram );    $self->render_mem( @mem );
176    
177  =cut  =cut
178    
# Line 197  sub render_mem { Line 196  sub render_mem {
196    
197          $vram->display_format;          $vram->display_format;
198    
199          my $rect = SDL::Rect->new( -x => 0, -y => 0, -width => 256, -height => 256 );          my $rect     = SDL::Rect->new( -x => 0, -y => 0, -width => 256, -height => 256 );
200            my $rect_mem = SDL::Rect->new( -x => 256 * $self->scale, -y => 0, -width => 256, -height => 256 );
201    
202          $vram->blit( $rect, $app, $rect_mem );          $vram->blit( $rect, $app, $rect_mem );
203    
204          $app->sync;          $app->sync;
# Line 236  sub key_pressed { Line 237  sub key_pressed {
237    
238          my $event = $self->event || confess "no event?";          my $event = $self->event || confess "no event?";
239    
240          $event->poll || return $pending_key;          if ( ! $event->poll ) {
241                    if ( my $h = $self->session_event('key_pressed') ) {
242                            my ( $key, $state ) = %$h;
243                            if ( $state ) {
244                                    $pending_key = $key;
245                                    $key_down->{$key}++;
246                            } else {
247                                    undef $pending_key;
248                                    $key_down->{$key} = 0;
249                            }
250                    }
251                    return $pending_key;
252            }
253    
254          my $type = $event->type();          my $type = $event->type();
255    
# Line 254  sub key_pressed { Line 267  sub key_pressed {
267                  } else {                  } else {
268                          warn "SDL_KEYDOWN ($type) = '$k'", $just_checking ? ' fake' : '', "\n";                          warn "SDL_KEYDOWN ($type) = '$k'", $just_checking ? ' fake' : '', "\n";
269                          $pending_key = $k;                          $pending_key = $k;
270                            $self->record_session('key_pressed', { $k => 1 });
271                  }                  }
272          } elsif ( $type == SDL_KEYUP ) {          } elsif ( $type == SDL_KEYUP ) {
273                  my $up = $event->key_name();                  my $up = $event->key_name();
                 $key_down->{$up} = 0;  
274                  warn "SDL_KEYUP ($type) = '$up'", $just_checking ? ' fake' : '', "\n";                  warn "SDL_KEYUP ($type) = '$up'", $just_checking ? ' fake' : '', "\n";
275                    $self->record_session('key_pressed', { $up => 0 });
276                    $key_down->{$up} = 0;
277                  undef $pending_key;                  undef $pending_key;
278          }          }
279    
280          warn "key_pressed = $pending_key\n" if $pending_key;          warn "key_pressed = $pending_key\n" if ( $pending_key );
281    
282          return $pending_key;          return $pending_key;
283  }  }
284    
285  =head2 loop  =head2 loop
286    
287  Implement SDL event loop  Implement CPU run for C<$run_run> cycles inside SDL event loop
288    
289      $self->loop( sub {
290            my $run_for = shift;
291            CPU::exec( $run_for );
292            $self->render_vram;
293      } );
294    
295  =cut  =cut
296    
297  sub loop {  sub loop {
298          my $self = shift;          my $self = shift;
299            my $exec = shift;
300    
301            confess "need coderef as argument" unless ref($exec) eq 'CODE';
302          my $event = SDL::Event->new();          my $event = SDL::Event->new();
303    
         MAIN_LOOP:  
304          while ( 1 ) {          while ( 1 ) {
305                  $self->key_pressed( 1 );                  $self->key_pressed( 1 );
306                  M6502::exec($run_for);                  $exec->($run_for);
                 $self->render_vram( @mem[ 0x6000 .. 0x7fff ] );  
307          }          }
308  }  }
309    
# Line 301  This program is free software; you can r Line 323  This program is free software; you can r
323  under the same terms as Perl itself.  under the same terms as Perl itself.
324    
325  =cut  =cut
326    
327  1;  1;
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