diff options
| author | Michael Pavone <pavone@retrodev.com> | 2016-10-07 18:27:38 -0700 |
|---|---|---|
| committer | Michael Pavone <pavone@retrodev.com> | 2016-10-07 18:27:38 -0700 |
| commit | 3bda38c2547f87a25635a886604e8b597bae5491 (patch) | |
| tree | 90a11eb98ac068c72987468d31ec2dd4b96c7afc /jag_video.h | |
| parent | f6eff7d2b0907476b6a47cfe88f896c8dc8f7073 (diff) | |
Added placeholder code for video output hardware/object processor
Diffstat (limited to 'jag_video.h')
| -rw-r--r-- | jag_video.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/jag_video.h b/jag_video.h new file mode 100644 index 0000000..0555712 --- /dev/null +++ b/jag_video.h @@ -0,0 +1,22 @@ +#ifndef JAG_VIDEO_H_ +#define JAG_VIDEO_H_ + +#define JAG_VIDEO_REGS 0x2E +#define LINEBUFFER_WORDS 720 + +typedef struct { + uint16_t regs[JAG_VIDEO_REGS]; + + uint16_t clut[256]; + uint16_t line_buffer_a[LINEBUFFER_WORDS]; + uint16_t line_buffer_b[LINEBUFFER_WORDS]; + uint16_t *write_line_buffer; + uint16_t *read_line_buffer; + + uint32_t cycles; +} jag_video; + +jag_video *jag_video_init(void); +void jag_video_run(jag_video *context, uint32_t target_cycle); + +#endif //JAG_VIDEO_H_ |