Mercurial > repos > blastem
changeset 1163:b251899f2b97
Fix disagreement on line change location between vdp_h32_mode4 and vdp_run_context that was causing the first line to be garbage in some cases
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Mon, 09 Jan 2017 19:24:11 -0800 |
| parents | c4ea535cf57e |
| children | 21df13266e6a |
| files | vdp.c |
| diffstat | 1 files changed, 6 insertions(+), 6 deletions(-) [+] |
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--- a/vdp.c Sun Jan 08 16:55:30 2017 -0800 +++ b/vdp.c Mon Jan 09 19:24:11 2017 -0800 @@ -1530,12 +1530,6 @@ CHECK_ONLY #define MODE4_CHECK_SLOT_LINE(slot) \ - if ((slot) == LINE_CHANGE_MODE4) {\ - vdp_advance_line(context);\ - if (context->vcounter == 192) {\ - return;\ - }\ - }\ if (context->flags & FLAG_DMA_RUN) { run_dma_src(context, -1); } \ if ((slot) == 147) {\ context->hslot = 233;\ @@ -1543,6 +1537,12 @@ context->hslot++;\ }\ context->cycles += slot_cycles;\ + if ((slot+1) == LINE_CHANGE_MODE4) {\ + vdp_advance_line(context);\ + if (context->vcounter == 192) {\ + return;\ + }\ + }\ CHECK_ONLY #define CALC_SLOT(slot, increment) ((slot+increment) > 147 && (slot+increment) < 233 ? (slot+increment-148+233): (slot+increment))