summaryrefslogtreecommitdiff
path: root/demopal/lib/TVout/video_gen.h
diff options
context:
space:
mode:
Diffstat (limited to 'demopal/lib/TVout/video_gen.h')
-rwxr-xr-xdemopal/lib/TVout/video_gen.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/demopal/lib/TVout/video_gen.h b/demopal/lib/TVout/video_gen.h
new file mode 100755
index 0000000..f66d564
--- /dev/null
+++ b/demopal/lib/TVout/video_gen.h
@@ -0,0 +1,64 @@
+/*
+ Copyright (c) 2010 Myles Metzer
+
+ Permission is hereby granted, free of charge, to any person
+ obtaining a copy of this software and associated documentation
+ files (the "Software"), to deal in the Software without
+ restriction, including without limitation the rights to use,
+ copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the
+ Software is furnished to do so, subject to the following
+ conditions:
+
+ The above copyright notice and this permission notice shall be
+ included in all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef VIDEO_GEN_H
+#define VIDEO_GEN_H
+
+typedef struct {
+ volatile int scanLine;
+ volatile unsigned long frames;
+ unsigned char start_render;
+ int lines_frame; //remove me
+ uint8_t vres;
+ uint8_t hres;
+ uint8_t output_delay; //remove me
+ char vscale_const; //combine me with status switch
+ char vscale; //combine me too.
+ char vsync_end; //remove me
+ uint8_t * screen;
+} TVout_vid;
+
+extern TVout_vid display;
+
+extern void (*hbi_hook)();
+extern void (*vbi_hook)();
+
+void render_setup(uint8_t mode, uint8_t x, uint8_t y, uint8_t *scrnptr);
+
+void blank_line();
+void active_line();
+void vsync_line();
+void empty();
+
+//tone generation properties
+extern volatile long remainingToneVsyncs;
+
+// 6cycles functions
+void render_line6c();
+void render_line5c();
+void render_line4c();
+void render_line3c();
+static void inline wait_until(uint8_t time);
+#endif