/[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 145 by dpavlin, Sun Aug 5 13:27:27 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 262  sub key_pressed { Line 263  sub key_pressed {
263                  undef $pending_key;                  undef $pending_key;
264          }          }
265    
266          warn "key_pressed = $pending_key\n" if $pending_key;          if ( $pending_key ) {
267                    warn "key_pressed = $pending_key\n";
268                    $self->record_session('key_pressed', $pending_key);
269            }
270    
271          return $pending_key;          return $pending_key;
272  }  }
273    
274  =head2 loop  =head2 loop
275    
276  Implement SDL event loop  Implement CPU run for C<$run_run> cycles inside SDL event loop
277    
278      $self->loop( sub {
279            my $run_for = shift;
280            CPU::exec( $run_for );
281            $self->render_vram;
282      } );
283    
284  =cut  =cut
285    
286  sub loop {  sub loop {
287          my $self = shift;          my $self = shift;
288            my $exec = shift;
289    
290            confess "need coderef as argument" unless ref($exec) eq 'CODE';
291          my $event = SDL::Event->new();          my $event = SDL::Event->new();
292    
         MAIN_LOOP:  
293          while ( 1 ) {          while ( 1 ) {
294                  $self->key_pressed( 1 );                  $self->key_pressed( 1 );
295                  M6502::exec($run_for);                  $exec->($run_for);
                 $self->render_vram( @mem[ 0x6000 .. 0x7fff ] );  
296          }          }
297  }  }
298    
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