diff options
| author | Michael Pavone <pavone@retrodev.com> | 2016-11-05 21:41:23 -0700 |
|---|---|---|
| committer | Michael Pavone <pavone@retrodev.com> | 2016-11-05 21:41:23 -0700 |
| commit | f48ea913302343c313d271d77b7f0034265cb676 (patch) | |
| tree | d8ef5e2e32cf23b014cb219ba6e4ff2d3507b569 /jag_video.c | |
| parent | 04bf2bb31d8c98f66b5f423fa28dc88a128fca12 (diff) | |
Fix Jaguar video interrupt cycle calculation
Diffstat (limited to 'jag_video.c')
| -rw-r--r-- | jag_video.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/jag_video.c b/jag_video.c index bfb97bd..2532b02 100644 --- a/jag_video.c +++ b/jag_video.c @@ -189,7 +189,7 @@ enum { uint32_t jag_cycles_to_halfline(jag_video *context, uint32_t target) { - uint32_t cycles = context->regs[VID_HPERIOD] - (context->regs[VID_HCOUNT & 0x3FF]); + uint32_t cycles = context->regs[VID_HPERIOD] - (context->regs[VID_HCOUNT] & 0x3FF); uint32_t num_lines; if (context->regs[VID_VCOUNT] < target) { num_lines = target - 1 - context->regs[VID_VCOUNT]; |