Mercurial > repos > blastem

comparison blastem.c @ 602:452ad0b42afa

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Set int_cycle to CYCLE_NEVER in sync_z80 so that the interrupt routine isn't taken inappropriately now that the kludge in handle_cycle_limit_int has been removed
author Michael Pavone <pavone@retrodev.com>
date Fri, 26 Dec 2014 15:46:53 -0800
parents 5ef3fe516da9
children 39d7d463ed5b
comparison
equal deleted inserted replaced
601:f0061e3d2ad9 602:452ad0b42afa
193 } 193 }
194 uint32_t vint_cycle = vdp_next_vint_z80(gen->vdp) / MCLKS_PER_Z80; 194 uint32_t vint_cycle = vdp_next_vint_z80(gen->vdp) / MCLKS_PER_Z80;
195 while (z_context->current_cycle < z_context->sync_cycle) { 195 while (z_context->current_cycle < z_context->sync_cycle) {
196 if (z_context->iff1 && z_context->current_cycle < (vint_cycle + Z80_VINT_DURATION)) { 196 if (z_context->iff1 && z_context->current_cycle < (vint_cycle + Z80_VINT_DURATION)) {
197 z_context->int_cycle = vint_cycle < z_context->int_enable_cycle ? z_context->int_enable_cycle : vint_cycle; 197 z_context->int_cycle = vint_cycle < z_context->int_enable_cycle ? z_context->int_enable_cycle : vint_cycle;
198 } else {
199 z_context->int_cycle = CYCLE_NEVER;
198 } 200 }
199 z_context->target_cycle = z_context->sync_cycle < z_context->int_cycle ? z_context->sync_cycle : z_context->int_cycle; 201 z_context->target_cycle = z_context->sync_cycle < z_context->int_cycle ? z_context->sync_cycle : z_context->int_cycle;
200 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); 202 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);
201 z_context->run(z_context); 203 z_context->run(z_context);
202 dprintf("Z80 ran to cycle %d\n", z_context->current_cycle); 204 dprintf("Z80 ran to cycle %d\n", z_context->current_cycle);