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13 |
use Carp qw/confess/; |
use Carp qw/confess/; |
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use Data::Dump qw/dump/; |
use Data::Dump qw/dump/; |
15 |
use M6502 qw'@mem'; |
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16 |
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use Exporter 'import'; |
17 |
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our @EXPORT = qw'$white $black'; |
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19 |
use base qw(Class::Accessor Prefs); |
use base qw(Class::Accessor Prefs); |
20 |
__PACKAGE__->mk_accessors(qw(app event)); |
__PACKAGE__->mk_accessors(qw(app event)); |
57 |
warn "# created SDL::App\n"; |
warn "# created SDL::App\n"; |
58 |
} |
} |
59 |
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60 |
my $white = SDL::Color->new( -r => 0xff, -g => 0xff, -b => 0xff ); |
our $white = SDL::Color->new( -r => 0xff, -g => 0xff, -b => 0xff ); |
61 |
my $black = SDL::Color->new( -r => 0x80, -g => 0x80, -b => 0x80 ); |
our $black = SDL::Color->new( -r => 0x80, -g => 0x80, -b => 0x80 ); |
62 |
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63 |
my $red = SDL::Color->new( -r => 0xff, -g => 0x00, -b => 0x00 ); |
my $red = SDL::Color->new( -r => 0xff, -g => 0x00, -b => 0x00 ); |
64 |
my $green = SDL::Color->new( -r => 0x00, -g => 0xff, -b => 0x00 ); |
my $green = SDL::Color->new( -r => 0x00, -g => 0xff, -b => 0x00 ); |
66 |
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67 |
my $rect_mem = SDL::Rect->new( -x => 256, -y => 0, -width => 256, -height => 256 ); |
my $rect_mem = SDL::Rect->new( -x => 256, -y => 0, -width => 256, -height => 256 ); |
68 |
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=head2 p |
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$screen->p( $x, $y, 1 ); |
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=cut |
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sub p { |
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my $self = shift; |
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my ($x,$y,$w) = (@_); |
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warn "p($x,$y,$w)\n" if $self->debug; |
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my $scale = $self->scale; |
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my $rect = SDL::Rect->new( |
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-height => $scale, |
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-width => $scale, |
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-x => $x * $scale, |
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-y => $y * $scale, |
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); |
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$app->fill( $rect, $w ? $white : $black ); |
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$app->update( $rect ); |
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} |
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69 |
=head2 mem_xy |
=head2 mem_xy |
70 |
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71 |
Helper to return x and y coordinates in memory map |
Helper to return x and y coordinates in memory map |
125 |
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126 |
Render one frame of video ram |
Render one frame of video ram |
127 |
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128 |
$self->render_vram( @video_memory ); |
$self->render_vram; |
129 |
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130 |
=cut |
=cut |
131 |
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132 |
my @flip; |
sub render_vram { |
133 |
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my $self = shift; |
134 |
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135 |
foreach my $i ( 0 .. 255 ) { |
confess "please implement $self::render_vram"; |
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my $t = 0; |
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$i & 0b00000001 and $t = $t | 0b10000000; |
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$i & 0b00000010 and $t = $t | 0b01000000; |
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$i & 0b00000100 and $t = $t | 0b00100000; |
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$i & 0b00001000 and $t = $t | 0b00010000; |
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$i & 0b00010000 and $t = $t | 0b00001000; |
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$i & 0b00100000 and $t = $t | 0b00000100; |
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$i & 0b01000000 and $t = $t | 0b00000010; |
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$i & 0b10000000 and $t = $t | 0b00000001; |
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#warn "$i = $t\n"; |
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$flip[$i] = $t; |
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136 |
} |
} |
137 |
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138 |
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139 |
sub render_vram { |
=head2 render_frame |
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my $self = shift; |
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140 |
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141 |
return unless $self->booted; |
Render one frame of video ram |
142 |
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143 |
confess "no data?" unless (@_); |
$self->render_frame( $vram_sdl_surface ); |
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confess "screen size not 256*256/8 but ",($#_+1) unless (($#_+1) == (256*256/8)); |
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144 |
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145 |
my $pixels = pack("C*", map { $flip[$_] } @_); |
=cut |
146 |
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147 |
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sub render_frame { |
148 |
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my $self = shift; |
149 |
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150 |
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my $vram = shift; |
151 |
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confess "need SDL::Surface as argument" unless ref($vram) eq 'SDL::Surface'; |
152 |
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my $vram = SDL::Surface->new( |
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-width => 256, |
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-height => 256, |
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-depth => 1, # 1 bit per pixel |
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-pitch => 32, # bytes per line |
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-from => $pixels, |
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); |
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$vram->set_colors( 0, $black, $white, $red ); |
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153 |
$vram->display_format; |
$vram->display_format; |
154 |
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155 |
my $scale = $self->scale; |
my $scale = $self->scale || confess "no scale?"; |
156 |
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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 ); |
169 |
$app->sync; |
$app->sync; |
170 |
} |
} |
171 |
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172 |
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173 |
=head2 render_mem |
=head2 render_mem |
174 |
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175 |
$self->render_mem( @ram ); |
$self->render_mem( @mem ); |
176 |
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177 |
=cut |
=cut |
178 |
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268 |
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269 |
=head2 loop |
=head2 loop |
270 |
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271 |
Implement SDL event loop |
Implement CPU run for C<$run_run> cycles inside SDL event loop |
272 |
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273 |
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$self->loop( sub { |
274 |
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my $run_for = shift; |
275 |
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CPU::exec( $run_for ); |
276 |
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$self->render_vram; |
277 |
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} ); |
278 |
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279 |
=cut |
=cut |
280 |
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281 |
sub loop { |
sub loop { |
282 |
my $self = shift; |
my $self = shift; |
283 |
my $event = SDL::Event->new(); |
my $exec = shift; |
284 |
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285 |
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confess "need coderef as argument" unless ref($exec) eq 'CODE'; |
286 |
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my $event = SDL::Event->new(); |
287 |
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MAIN_LOOP: |
|
288 |
while ( 1 ) { |
while ( 1 ) { |
289 |
$self->key_pressed( 1 ); |
$self->key_pressed( 1 ); |
290 |
M6502::exec($run_for); |
$exec->($run_for); |
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$self->render_vram( @mem[ 0x6000 .. 0x7fff ] ); |
|
291 |
} |
} |
292 |
} |
} |
293 |
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