Mercurial > repos > blastem
diff m68k_util.c @ 2577:5f725429d08f
WIP changes to new CPU core for rotate instructions and to get interrupts more functional
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Fri, 07 Feb 2025 08:57:24 -0800 |
| parents | d44fe974fb85 |
| children | 939b818df589 |
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--- a/m68k_util.c Mon Feb 03 22:28:20 2025 -0800 +++ b/m68k_util.c Fri Feb 07 08:57:24 2025 -0800 @@ -26,11 +26,13 @@ void m68k_sync_cycle(m68k_context *context, uint32_t target_cycle) { - //TODO: interrupt stuff - context->sync_cycle = target_cycle; + context->sync_cycle = target_cycle; //why? + context->sync_components(context, 0); } -void init_m68k_opts(m68k_options *opts, memmap_chunk * memmap, uint32_t num_chunks, uint32_t clock_divider, sync_fun sync_components, int_ack_fun int_ack) +static sync_fun *sync_comp_tmp; +static int_ack_fun int_ack_tmp; +void init_m68k_opts(m68k_options *opts, memmap_chunk * memmap, uint32_t num_chunks, uint32_t clock_divider, sync_fun *sync_components, int_ack_fun int_ack) { memset(opts, 0, sizeof(*opts)); opts->gen.memmap = memmap; @@ -40,14 +42,20 @@ opts->gen.max_address = 0x1000000; opts->gen.bus_cycles = 4; opts->gen.clock_divider = clock_divider; + sync_comp_tmp = sync_components; + int_ack_tmp = int_ack; } -m68k_context *init_68k_context(m68k_options * opts, m68k_reset_handler reset_handler) +m68k_context *init_68k_context(m68k_options * opts, m68k_reset_handler *reset_handler) { m68k_context *context = calloc(1, sizeof(m68k_context)); context->opts = opts; context->reset_handler = reset_handler; context->int_cycle = 0xFFFFFFFFU; + context->sync_components = sync_comp_tmp; + sync_comp_tmp = NULL; + context->int_ack_handler = int_ack_tmp; + int_ack_tmp = NULL; return context; }