Mercurial > repos > blastem
diff vdp.h @ 622:b76d2a628ab9
Partially working switch to having a vcounter and hslot counter in the context rather than trying to derive them from the cycle count. This should allow for more accurate handling of mid screen mode switches. Interrupt timing is broken currently though
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Tue, 17 Jun 2014 19:01:01 -0700 |
| parents | 8ac0eb05642c |
| children | 66cc60215e5c |
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--- a/vdp.h Mon Jun 16 19:13:28 2014 -0700 +++ b/vdp.h Tue Jun 17 19:01:01 2014 -0700 @@ -142,9 +142,11 @@ uint32_t colors[CRAM_SIZE*3]; uint32_t debugcolors[1 << (3 + 1 + 1 + 1)];//3 bits for source, 1 bit for priority, 1 bit for shadow, 1 bit for hilight uint16_t vsram[VSRAM_SIZE]; - uint8_t latched_mode; + uint16_t vcounter; + uint16_t hslot; //hcounter/2 uint16_t hscroll_a; uint16_t hscroll_b; + uint8_t latched_mode; uint8_t sprite_index; uint8_t sprite_draws; int8_t slot_counter;