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use SDL::App; |
use SDL::App; |
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use SDL::Rect; |
use SDL::Rect; |
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use SDL::Color; |
use SDL::Color; |
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use SDL::Constants; |
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|
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use Carp qw/confess/; |
use Carp qw/confess/; |
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use Data::Dump qw/dump/; |
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use M6502 qw'@mem'; |
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|
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use base qw(Class::Accessor); |
use base qw(Class::Accessor Prefs); |
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#__PACKAGE__->mk_accessors(qw(debug scale show_mem trace app)); |
__PACKAGE__->mk_accessors(qw(app event)); |
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|
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=head1 NAME |
=head1 NAME |
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sub open_screen { |
sub open_screen { |
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my $self = shift; |
my $self = shift; |
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$self->prefs; |
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if ( ! $self->scale ) { |
if ( ! $self->scale ) { |
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$self->scale( 1 ); |
$self->scale( 1 ); |
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warn "using default unscaled display\n"; |
warn "using default unscaled display\n"; |
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-height => 256 * $self->scale, |
-height => 256 * $self->scale, |
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-depth => 16, |
-depth => 16, |
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); |
); |
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#$app->grab_input( 0 ); |
#$app->grab_input( SDL_GRAB_QUERY ); |
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$app->grab_input( SDL_GRAB_OFF ); |
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warn "# created SDL::App\n"; |
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$self->app( $app ); |
$self->app( $app ); |
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my $event = SDL::Event->new(); |
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$self->event( $event ); |
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warn "# created SDL::App\n"; |
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} |
} |
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my $white = SDL::Color->new( -r => 0xff, -g => 0xff, -b => 0xff ); |
my $white = SDL::Color->new( -r => 0xff, -g => 0xff, -b => 0xff ); |
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my $green = SDL::Color->new( -r => 0x00, -g => 0xff, -b => 0x00 ); |
my $green = SDL::Color->new( -r => 0x00, -g => 0xff, -b => 0x00 ); |
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my $blue = SDL::Color->new( -r => 0x00, -g => 0x00, -b => 0xff ); |
my $blue = SDL::Color->new( -r => 0x00, -g => 0x00, -b => 0xff ); |
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my $rect_screen = SDL::Rect->new( -x => 0, -y => 0, -width => 256, -height => 256 ); |
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my $rect_mem = SDL::Rect->new( -x => 256, -y => 0, -width => 256, -height => 256 ); |
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=head2 p |
=head2 p |
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$screen->p( $x, $y, 1 ); |
$screen->p( $x, $y, 1 ); |
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my $_vram_counter; |
my $_vram_counter; |
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sub vram { |
sub vram { |
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return; |
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my ( $self, $offset, $byte ) = @_; |
my ( $self, $offset, $byte ) = @_; |
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my $x = ( $offset % 32 ) << 3; |
my $x = ( $offset % 32 ) << 3; |
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my $y = $offset >> 5; |
my $y = $offset >> 5; |
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$app->sync; |
$app->sync; |
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} |
} |
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=head2 render |
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Render one frame of video ram |
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$self->render( @video_memory ); |
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=cut |
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sub render { |
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my $self = shift; |
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return unless $self->booted; |
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die "this function isn't supported if scale isn't 1" unless $self->scale == 1; |
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confess "no data?" unless (@_); |
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confess "screen size not 256*256/8 but ",($#_+1) unless (($#_+1) == (256*256/8)); |
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my $pixels = pack("C*", @_); |
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203 |
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my $vram = SDL::Surface->new( |
204 |
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-width => 256, |
205 |
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-height => 256, |
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-depth => 1, # 1 bit per pixel |
207 |
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-pitch => 32, # bytes per line |
208 |
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-from => $pixels, |
209 |
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); |
210 |
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$vram->set_colors( 0, $black, $white, $red ); |
211 |
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$vram->display_format; |
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my $rect = SDL::Rect->new( -x => 0, -y => 0, -width => 256, -height => 256 ); |
214 |
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$vram->blit( $rect, $app, $rect_screen ); |
215 |
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216 |
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$app->sync; |
217 |
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} |
218 |
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219 |
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=head2 render_mem |
220 |
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221 |
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$self->render_mem( @ram ); |
222 |
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223 |
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=cut |
224 |
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225 |
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sub render_mem { |
226 |
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my $self = shift; |
227 |
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228 |
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return unless $self->show_mem; |
229 |
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230 |
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my $pixels = pack("C*", @_); |
231 |
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232 |
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my $vram = SDL::Surface->new( |
233 |
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-width => 256, |
234 |
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-height => 256, |
235 |
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-depth => 8, # 1 bit per pixel |
236 |
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-pitch => 256, # bytes per line |
237 |
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-from => $pixels, |
238 |
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-Rmask => 0xffff00ff, |
239 |
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-Gmask => 0xffff00ff, |
240 |
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-Bmask => 0xffff00ff, |
241 |
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); |
242 |
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243 |
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$vram->display_format; |
244 |
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245 |
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my $rect = SDL::Rect->new( -x => 0, -y => 0, -width => 256, -height => 256 ); |
246 |
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$vram->blit( $rect, $app, $rect_mem ); |
247 |
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248 |
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$app->sync; |
249 |
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} |
250 |
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251 |
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=head2 key_pressed |
252 |
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253 |
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Check SDL event loop if there are any pending keys |
254 |
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255 |
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my $key = $self->key_pressed; |
256 |
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257 |
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if ( $self->key_pressed( 1 ) ) { |
258 |
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# just to check other events, don't process |
259 |
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# key |
260 |
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} |
261 |
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262 |
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=cut |
263 |
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264 |
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my $pending_key; |
265 |
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my $run_for = 2000; |
266 |
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267 |
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my $key_down; |
268 |
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269 |
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sub key_down { |
270 |
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my $self = shift; |
271 |
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my $key = shift; |
272 |
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warn "key_down($key) = ",$key_down->{$key}, "\n" if $self->debug; |
273 |
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return $key_down->{$key}; |
274 |
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} |
275 |
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276 |
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sub key_pressed { |
277 |
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my $self = shift; |
278 |
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279 |
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# don't take key, just pull event |
280 |
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my $just_checking = shift || 0; |
281 |
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282 |
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my $event = $self->event || confess "no event?"; |
283 |
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284 |
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$event->poll || return $pending_key; |
285 |
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286 |
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my $type = $event->type(); |
287 |
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288 |
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exit if ($type == SDL_QUIT); |
289 |
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290 |
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my $k = $pending_key; |
291 |
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292 |
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if ($type == SDL_KEYDOWN) { |
293 |
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$k = $event->key_name(); |
294 |
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$key_down->{$k}++; |
295 |
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if ( $k eq 'escape' ) { |
296 |
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$run_for = $self->cli; |
297 |
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warn "will check event loop every $run_for cycles\n"; |
298 |
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$pending_key = '~'; |
299 |
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} else { |
300 |
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warn "SDL_KEYDOWN ($type) = '$k'", $just_checking ? ' fake' : '', "\n"; |
301 |
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$pending_key = $k; |
302 |
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} |
303 |
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} elsif ( $type == SDL_KEYUP ) { |
304 |
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my $up = $event->key_name(); |
305 |
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$key_down->{$up} = 0; |
306 |
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warn "SDL_KEYUP ($type) = '$up'", $just_checking ? ' fake' : '', "\n"; |
307 |
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undef $pending_key; |
308 |
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} |
309 |
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310 |
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warn "key_pressed = $pending_key\n" if $pending_key; |
311 |
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312 |
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return $pending_key; |
313 |
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} |
314 |
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315 |
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=head2 loop |
316 |
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|
317 |
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Implement SDL event loop |
318 |
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319 |
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=cut |
320 |
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321 |
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sub loop { |
322 |
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my $self = shift; |
323 |
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my $event = SDL::Event->new(); |
324 |
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325 |
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326 |
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MAIN_LOOP: |
327 |
|
while ( 1 ) { |
328 |
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$self->key_pressed( 1 ); |
329 |
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M6502::exec($run_for); |
330 |
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$self->render( @mem[ 0x6000 .. 0x7fff ] ); |
331 |
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} |
332 |
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} |
333 |
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334 |
=head1 SEE ALSO |
=head1 SEE ALSO |
335 |
|
|
336 |
L<Orao> is sample implementation using this module |
L<Orao> is sample implementation using this module |