diff options
| author | Mike Pavone <pavone@retrodev.com> | 2013-09-01 12:11:28 -0700 |
|---|---|---|
| committer | Mike Pavone <pavone@retrodev.com> | 2013-09-01 12:11:28 -0700 |
| commit | 48e201cf39a18628e33d51a7fba1ee706af18ade (patch) | |
| tree | 10dd3aef1c9bd6ff053e7c02304811f2f8197f98 /blastem.c | |
| parent | f09e868c52d367731accb654a3de3c95c5694519 (diff) | |
Fix bug that caused a DMA fill to start after another DMA operation completed if the FIFO is not empty
Diffstat (limited to 'blastem.c')
| -rw-r--r-- | blastem.c | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -219,7 +219,7 @@ m68k_context * sync_components(m68k_context * context, uint32_t address) if (gen->ym->write_cycle != CYCLE_NEVER) { gen->ym->write_cycle = gen->ym->write_cycle >= mclks_per_frame/MCLKS_PER_68K ? gen->ym->write_cycle - mclks_per_frame/MCLKS_PER_68K : 0; } - //printf("reached frame end | 68K Cycles: %d, MCLK Cycles: %d\n", context->current_cycle, mclks); + printf("reached frame end | 68K Cycles: %d, MCLK Cycles: %d\n", context->current_cycle, mclks); vdp_run_context(v_context, mclks_per_frame); if (!headless) { @@ -284,6 +284,7 @@ m68k_context * vdp_port_write(uint32_t vdp_port, m68k_context * context, uint16_ vdp_run_dma_done(v_context, mclks_per_frame); if (v_context->cycles >= mclks_per_frame) { if (!headless) { + printf("reached frame end | 68K Cycles: %d, MCLK Cycles: %d\n", context->current_cycle, v_context->cycles); wait_render_frame(v_context, frame_limit); } vdp_adjust_cycles(v_context, mclks_per_frame); @@ -301,7 +302,7 @@ m68k_context * vdp_port_write(uint32_t vdp_port, m68k_context * context, uint16_ } } } - context->current_cycle = v_context->cycles / MCLKS_PER_68K; + //context->current_cycle = v_context->cycles / MCLKS_PER_68K; } } else if(vdp_port < 8) { blocked = vdp_control_port_write(v_context, value); @@ -343,6 +344,7 @@ m68k_context * vdp_port_write(uint32_t vdp_port, m68k_context * context, uint16_ exit(1); } if (v_context->cycles != before_cycle) { + printf("68K paused for %d cycles at cycle %d\n", v_context->cycles / MCLKS_PER_68K - context->current_cycle, context->current_cycle); context->current_cycle = v_context->cycles / MCLKS_PER_68K; } } else if (vdp_port < 0x18) { |