diff options
Diffstat (limited to 'src/emu/sound/cdp1864.c')
-rw-r--r-- | src/emu/sound/cdp1864.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/src/emu/sound/cdp1864.c b/src/emu/sound/cdp1864.c index 6bc9233fd7c..c2fcc343e4e 100644 --- a/src/emu/sound/cdp1864.c +++ b/src/emu/sound/cdp1864.c @@ -11,14 +11,14 @@ TODO: - - interlace mode - - PAL output, currently using RGB - - cpu synchronization - - SC1 and SC0 are used to provide CDP1864C-to-CPU synchronization for a jitter-free display. - During every horizontal sync the CDP1864C samples SC0 and SC1 for SC0 = 1 and SC1 = 0 - (CDP1800 execute state). Detection of a fetch cycle causes the CDP1864C to skip cycles to - attain synchronization. (i.e. picture moves 8 pixels to the right) + - interlace mode + - PAL output, currently using RGB + - cpu synchronization + + SC1 and SC0 are used to provide CDP1864C-to-CPU synchronization for a jitter-free display. + During every horizontal sync the CDP1864C samples SC0 and SC1 for SC0 = 1 and SC1 = 0 + (CDP1800 execute state). Detection of a fetch cycle causes the CDP1864C to skip cycles to + attain synchronization. (i.e. picture moves 8 pixels to the right) */ |