/[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 36 by dpavlin, Mon Jul 30 22:06:13 2007 UTC revision 45 by dpavlin, Tue Jul 31 09:43:50 2007 UTC
# Line 98  Push byte to video memory and draw it Line 98  Push byte to video memory and draw it
98    
99  =cut  =cut
100    
101    my $_vram_counter;
102    
103  sub vram {  sub vram {
104          my ( $self, $offset, $byte ) = @_;          my ( $self, $offset, $byte ) = @_;
105          my $x = ( $offset % 32 ) << 3;          my $x = ( $offset % 32 ) << 3;
106          my $y = $offset >> 5;          my $y = $offset >> 5;
107          my $mask = 1;          my $mask = 1;
108            my $scale = $self->scale;
109    
110          printf "## vram %04x %02x*%02x %02x\n", $offset, $x, $y, $byte if $self->trace;          printf "## vram %04x %02x*%02x %02x\n", $offset, $x, $y, $byte if $self->trace;
111    
112          foreach ( 0 .. 7 ) {          foreach ( 0 .. 7 ) {
113                  $self->p($x + $_, $y, $byte & $mask );                  my $on = $byte & $mask;
114                    if ( $scale == 1 ) {
115                            $app->pixel( $x + $_, $y, $on ? $white : $black );
116                    } else {
117                            $self->p($x + $_, $y, $on );
118                    }
119                  $mask = $mask << 1;                  $mask = $mask << 1;
120          }          }
121    
122            $app->sync if ( $_vram_counter++ % 10 == 0 );
123  }  }
124    
125  =head2 mmap_pixel  =head2 mmap_pixel
# Line 128  sub mmap_pixel { Line 138  sub mmap_pixel {
138          return unless $self->show_mem && $self->app;          return unless $self->show_mem && $self->app;
139    
140          my ( $x, $y ) = $self->mem_xy( $addr );          my ( $x, $y ) = $self->mem_xy( $addr );
141          warn sprintf "## mem %04x %02x %02x %02d*%02d\n", $addr, $r, $g, $x, $y if $self->trace;          warn sprintf "## mem %04x %02x %02x %02d*%02d\n", $addr, $r, $g, $x, $y if $self->debug;
142    
143          my $col = SDL::Color->new( -r => $r, -g => $g, -b => $b );          my $col = SDL::Color->new( -r => $r, -g => $g, -b => $b );
144          $self->app->pixel( $x, $y, $col );          $self->app->pixel( $x, $y, $col );
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