diff options
Diffstat (limited to 'menu.c')
| -rw-r--r-- | menu.c | 66 |
1 files changed, 42 insertions, 24 deletions
@@ -10,14 +10,45 @@ #include "gst.h" #include "m68k_internal.h" //needed for get_native_address_trans, should be eliminated once handling of PC is cleaned up +static menu_context *get_menu(genesis_context *gen) +{ + menu_context *menu = gen->extra; + if (!menu) { + gen->extra = menu = calloc(1, sizeof(menu_context)); + menu->curpath = tern_find_path(config, "ui\0initial_path\0", TVAL_PTR).ptrval; + if (!menu->curpath){ +#ifdef __ANDROID__ + menu->curpath = get_external_storage_path(); +#else + menu->curpath = "$HOME"; +#endif + } + tern_node *vars = tern_insert_ptr(NULL, "HOME", get_home_dir()); + vars = tern_insert_ptr(vars, "EXEDIR", get_exe_dir()); + menu->curpath = replace_vars(menu->curpath, vars, 1); + tern_free(vars); + } + return menu; +} -uint16_t menu_read_w(uint32_t address, void * context) +uint16_t menu_read_w(uint32_t address, void * vcontext) { - //This should return the status of the last request with 0 - //meaning either the request is complete or no request is pending - //in the current implementation, the operations happen instantly - //in emulated time so we can always return 0 - return 0; + if ((address >> 1) == 14) { + m68k_context *context = vcontext; + menu_context *menu = get_menu(context->system); + uint16_t value = menu->external_game_load; + if (value) { + printf("Read: %X\n", value); + } + menu->external_game_load = 0; + return value; + } else { + //This should return the status of the last request with 0 + //meaning either the request is complete or no request is pending + //in the current implementation, the operations happen instantly + //in emulated time so we can always return 0 + return 0; + } } int menu_dir_sort(const void *a, const void *b) @@ -163,23 +194,7 @@ void * menu_write_w(uint32_t address, void * context, uint16_t value) { m68k_context *m68k = context; genesis_context *gen = m68k->system; - menu_context *menu = gen->extra; - if (!menu) { - gen->extra = menu = calloc(1, sizeof(menu_context)); - menu->curpath = tern_find_path(config, "ui\0initial_path\0", TVAL_PTR).ptrval; - if (!menu->curpath){ -#ifdef __ANDROID__ - menu->curpath = get_external_storage_path(); -#else - menu->curpath = "$HOME"; -#endif - } - tern_node *vars = tern_insert_ptr(NULL, "HOME", get_home_dir()); - vars = tern_insert_ptr(vars, "EXEDIR", get_exe_dir()); - menu->curpath = replace_vars(menu->curpath, vars, 1); - tern_free(vars); - - } + menu_context *menu = get_menu(gen); if (menu->state) { uint32_t dst = menu->latch << 16 | value; switch (address >> 2) @@ -375,6 +390,7 @@ void * menu_write_w(uint32_t address, void * context, uint16_t value) } copy_to_guest(m68k, dst, buffer, cur-buffer); break; + } case 5: //save state if (gen->header.next_context) { @@ -405,7 +421,9 @@ void * menu_write_w(uint32_t address, void * context, uint16_t value) } m68k->should_return = 1; break; - } + case 7: + //read only port + break; default: fprintf(stderr, "WARNING: write to undefined menu port %X\n", address); } |