Mercurial > repos > blastem
diff blastem.c @ 335:14a937097c2b
Some Z80 interrupt fixes
author | Mike Pavone <pavone@retrodev.com> |
---|---|
date | Tue, 14 May 2013 21:59:56 -0700 |
parents | f16136a3835d |
children | 87b65e5ce1ab |
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--- a/blastem.c Tue May 14 00:46:34 2013 -0700 +++ b/blastem.c Tue May 14 21:59:56 2013 -0700 @@ -170,8 +170,8 @@ z_context->sync_cycle = mclks / MCLKS_PER_Z80; uint32_t vint_cycle = vdp_next_vint_z80(gen->vdp) / MCLKS_PER_Z80; while (z_context->current_cycle < z_context->sync_cycle) { - if (z_context->iff1 && z_context->current_cycle < ZVINT_CYCLE) { - z_context->int_cycle = vint_cycle; + if (z_context->iff1 && z_context->current_cycle < vint_cycle) { + z_context->int_cycle = vint_cycle < z_context->int_enable_cycle ? z_context->int_enable_cycle : vint_cycle; } z_context->target_cycle = z_context->sync_cycle < z_context->int_cycle ? z_context->sync_cycle : z_context->int_cycle; dprintf("Running Z80 from cycle %d to cycle %d. Native PC: %p\n", z_context->current_cycle, z_context->sync_cycle, z_context->native_pc);