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comparison menu.c @ 961:750995b587a0

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Save State menu option is now fully functional. Load state sort of works, but is mostly broken.
author Michael Pavone <pavone@retrodev.com>
date Sun, 17 Apr 2016 23:50:41 -0700
parents 83532f944e3b
children 4899d3ae37b3
comparison
equal deleted inserted replaced
960:0abfecaaf5c8 961:750995b587a0
5 #include <errno.h> 5 #include <errno.h>
6 #include "blastem.h" 6 #include "blastem.h"
7 #include "menu.h" 7 #include "menu.h"
8 #include "backend.h" 8 #include "backend.h"
9 #include "util.h" 9 #include "util.h"
10 #include "gst.h"
11 #include "m68k_internal.h" //needed for get_native_address_trans, should be eliminated once handling of PC is cleaned up
10 12
11 13
12 uint16_t menu_read_w(uint32_t address, void * context) 14 uint16_t menu_read_w(uint32_t address, void * context)
13 { 15 {
14 //This should return the status of the last request with 0 16 //This should return the status of the last request with 0
271 *(cur++) = 0; 273 *(cur++) = 0;
272 *(cur++) = 0; 274 *(cur++) = 0;
273 } 275 }
274 copy_to_guest(m68k, dst, buffer, cur-buffer); 276 copy_to_guest(m68k, dst, buffer, cur-buffer);
275 break; 277 break;
278 case 5:
279 //save state
280 if (gen->next_context) {
281 gen->next_context->save_state = dst + 1;
282 }
283 m68k->should_return = 1;
284 break;
285 case 6:
286 //load state
287 if (gen->next_context && gen->next_context->save_dir) {
288 char numslotname[] = "slot_0.gst";
289 char *slotname;
290 if (dst == QUICK_SAVE_SLOT) {
291 slotname = "quicksave.gst";
292 } else {
293 numslotname[5] = '0' + dst;
294 slotname = numslotname;
295 }
296 char const *parts[] = {gen->next_context->save_dir, "/", slotname};
297 char *gstpath = alloc_concat_m(3, parts);
298 uint32_t pc = load_gst(gen->next_context, gstpath);
299 free(gstpath);
300 gen->next_context->m68k->resume_pc = get_native_address_trans(gen->next_context->m68k, pc);
301 }
302 m68k->should_return = 1;
303 break;
276 } 304 }
277 default: 305 default:
278 fprintf(stderr, "WARNING: write to undefined menu port %X\n", address); 306 fprintf(stderr, "WARNING: write to undefined menu port %X\n", address);
279 } 307 }
280 menu->state = 0; 308 menu->state = 0;