Mercurial > repos > blastem
changeset 2354:a773b8f09292
Remove old refresh hack that is causing VDPFifoTesting to have a failed test
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Thu, 19 Oct 2023 23:27:57 -0700 |
| parents | c66e051de8a6 |
| children | 94cf5cc89227 |
| files | genesis.c |
| diffstat | 1 files changed, 3 insertions(+), 8 deletions(-) [+] |
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--- a/genesis.c Wed Oct 18 23:27:55 2023 -0700 +++ b/genesis.c Thu Oct 19 23:27:57 2023 -0700 @@ -674,7 +674,7 @@ //printf("acknowledging %d @ %d:%d, vcounter: %d, hslot: %d\n", context->int_ack, context->current_cycle, v_context->cycles, v_context->vcounter, v_context->hslot); vdp_run_context(v_context, context->current_cycle); vdp_int_ack(v_context); - + //the Genesis responds to these exclusively with !VPA which means its a slow //6800 operation. documentation says these can take between 10 and 19 cycles. //actual results measurements seem to suggest it's actually between 9 and 18 @@ -683,7 +683,7 @@ //additional variable delay from the use of the 6800 cycle uint32_t cycle_count = context->current_cycle / context->options->gen.clock_divider; context->current_cycle += 5 + (cycle_count % 10); - + return context; } @@ -781,12 +781,7 @@ //refresh may have happened while we were waiting on the VDP, //so advance refresh_counter but don't add any delays - if (vdp_port >= 4 && vdp_port < 8 && v_context->cycles != before_cycle) { - gen->refresh_counter = 0; - gen->last_sync_cycle = context->current_cycle; - } else { - gen_update_refresh_no_wait(context); - } + gen_update_refresh_no_wait(context); return context; }