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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 c2210d586950
children e758ddbf0624
comparison
equal deleted inserted replaced
1162:c4ea535cf57e 1163:b251899f2b97
1528 }\ 1528 }\
1529 context->cycles += slot_cycles;\ 1529 context->cycles += slot_cycles;\
1530 CHECK_ONLY 1530 CHECK_ONLY
1531 1531
1532 #define MODE4_CHECK_SLOT_LINE(slot) \ 1532 #define MODE4_CHECK_SLOT_LINE(slot) \
1533 if ((slot) == LINE_CHANGE_MODE4) {\
1534 vdp_advance_line(context);\
1535 if (context->vcounter == 192) {\
1536 return;\
1537 }\
1538 }\
1539 if (context->flags & FLAG_DMA_RUN) { run_dma_src(context, -1); } \ 1533 if (context->flags & FLAG_DMA_RUN) { run_dma_src(context, -1); } \
1540 if ((slot) == 147) {\ 1534 if ((slot) == 147) {\
1541 context->hslot = 233;\ 1535 context->hslot = 233;\
1542 } else {\ 1536 } else {\
1543 context->hslot++;\ 1537 context->hslot++;\
1544 }\ 1538 }\
1545 context->cycles += slot_cycles;\ 1539 context->cycles += slot_cycles;\
1540 if ((slot+1) == LINE_CHANGE_MODE4) {\
1541 vdp_advance_line(context);\
1542 if (context->vcounter == 192) {\
1543 return;\
1544 }\
1545 }\
1546 CHECK_ONLY 1546 CHECK_ONLY
1547 1547
1548 #define CALC_SLOT(slot, increment) ((slot+increment) > 147 && (slot+increment) < 233 ? (slot+increment-148+233): (slot+increment)) 1548 #define CALC_SLOT(slot, increment) ((slot+increment) > 147 && (slot+increment) < 233 ? (slot+increment-148+233): (slot+increment))
1549 1549
1550 #define SPRITE_RENDER_H32_MODE4(slot) \ 1550 #define SPRITE_RENDER_H32_MODE4(slot) \