Mercurial > repos > blastem
diff genesis.c @ 1901:5433252329fb
Set version reg and TAS behavior based on model config
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Sun, 16 Feb 2020 10:46:35 -0800 |
| parents | 377f110e4cea |
| children | 32a3aa7b4a45 |
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--- a/genesis.c Sun Feb 16 10:33:20 2020 -0800 +++ b/genesis.c Sun Feb 16 10:46:35 2020 -0800 @@ -18,6 +18,7 @@ #include "saves.h" #include "bindings.h" #include "jcart.h" +#include "config.h" #define MCLKS_NTSC 53693175 #define MCLKS_PAL 53203395 @@ -1405,6 +1406,11 @@ gen->header.type = SYSTEM_GENESIS; gen->header.info = *rom; set_region(gen, rom, force_region); + tern_node *model = get_model(config, SYSTEM_GENESIS); + uint8_t tmss = !strcmp(tern_find_ptr_default(model, "tmss", "off"), "on"); + if (tmss) { + gen->version_reg |= 1; + } gen->vdp = init_vdp_context(gen->version_reg & 0x40); gen->vdp->system = &gen->header; @@ -1504,8 +1510,9 @@ m68k_options *opts = malloc(sizeof(m68k_options)); init_m68k_opts(opts, rom->map, rom->map_chunks, MCLKS_PER_68K); - //TODO: make this configurable - opts->gen.flags |= M68K_OPT_BROKEN_READ_MODIFY; + if (!strcmp(tern_find_ptr_default(model, "tas", "broken"), "broken")) { + opts->gen.flags |= M68K_OPT_BROKEN_READ_MODIFY; + } gen->m68k = init_68k_context(opts, NULL); gen->m68k->system = gen; opts->address_log = (system_opts & OPT_ADDRESS_LOG) ? fopen("address.log", "w") : NULL;