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comparison menu.c @ 957:1618d3676a35

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Save state menu WIP
author Michael Pavone <pavone@retrodev.com>
date Fri, 15 Apr 2016 23:57:50 -0700
parents cbc5b39e5518
children 83532f944e3b
comparison
equal deleted inserted replaced
956:f5550cdffe49 957:1618d3676a35
49 } 49 }
50 } 50 }
51 //make sure we terminate the string even if we did not hit a null terminator in the source 51 //make sure we terminate the string even if we did not hit a null terminator in the source
52 buf[maxchars-1] = 0; 52 buf[maxchars-1] = 0;
53 } 53 }
54
55 void copy_to_guest(m68k_context *m68k, uint32_t guest_addr, char *src, size_t tocopy)
56 {
57 char *dst = NULL;
58 for (char *cur = src; cur < src+tocopy; cur+=2, guest_addr+=2, dst+=2)
59 {
60 if (!dst || !(guest_addr & 0xFFFF)) {
61 //we may have walked off the end of a memory block, get a fresh native pointer
62 dst = get_native_pointer(guest_addr, (void **)m68k->mem_pointers, &m68k->options->gen);
63 if (!dst) {
64 break;
65 }
66 }
67 src[1] = *cur;
68 *src = cur[1];
69 }
70 }
71
72 #define SAVE_INFO_BUFFER_SIZE (11*40)
54 73
55 #ifdef __ANDROID__ 74 #ifdef __ANDROID__
56 #include <SDL.h> 75 #include <SDL.h>
57 #include <jni.h> 76 #include <jni.h>
58 char *get_external_storage_path() 77 char *get_external_storage_path()
188 copy_string_from_guest(m68k, dst, buf, sizeof(buf)); 207 copy_string_from_guest(m68k, dst, buf, sizeof(buf));
189 char const *pieces[] = {menu->curpath, "/", buf}; 208 char const *pieces[] = {menu->curpath, "/", buf};
190 gen->next_rom = alloc_concat_m(3, pieces); 209 gen->next_rom = alloc_concat_m(3, pieces);
191 m68k->should_return = 1; 210 m68k->should_return = 1;
192 break; 211 break;
212 }
193 case 3: { 213 case 3: {
194 switch (dst) 214 switch (dst)
195 { 215 {
196 case 1: 216 case 1:
197 m68k->should_return = 1; 217 m68k->should_return = 1;
202 break; 222 break;
203 } 223 }
204 224
205 break; 225 break;
206 } 226 }
227 case 4: {
228 char *buffer = malloc(SAVE_INFO_BUFFER_SIZE);
229 char *cur = buffer;
230 if (gen->next_context && gen->next_context->save_dir) {
231 char *end = buffer + SAVE_INFO_BUFFER_SIZE;
232 char slotfile[] = "slot_0.gst";
233 char const * parts[3] = {gen->next_context->save_dir, "/", slotfile};
234 struct tm ltime;
235 char *fname;
236 time_t modtime;
237 for (int i = 0; i < 10 && cur < end; i++)
238 {
239 slotfile[5] = i + '0';
240 fname = alloc_concat_m(3, parts);
241 modtime = get_modification_time(fname);
242 free(fname);
243 if (modtime) {
244 cur += snprintf(cur, end-cur, "Slot %d - ", i);
245 cur += strftime(cur, end-cur, "%c", localtime_r(&modtime, &ltime));
246
247 } else {
248 cur += snprintf(cur, end-cur, "Slot %d - EMPTY", i);
249 }
250 //advance past the null terminator for this entry
251 cur++;
252 }
253 if (cur < end) {
254 parts[2] = "quicksave.gst";
255 fname = alloc_concat_m(3, parts);
256 modtime = get_modification_time(fname);
257 free(fname);
258 if (modtime) {
259 cur += strftime(cur, end-cur, "Quick - %c", localtime_r(&modtime, &ltime));
260 } else if ((end-cur) > strlen("Quick - EMPTY")){
261 cur += strlen(strcpy(cur, "Quick - EMPTY"));
262 }
263 //advance past the null terminator for this entry
264 cur++;
265 if (cur < end) {
266 //terminate the list
267 *cur = 0;
268 }
269 }
270 } else {
271 *(cur++) = 0;
272 *(cur++) = 0;
273 }
274 copy_to_guest(m68k, dst, buffer, cur-buffer);
275 break;
207 } 276 }
208 default: 277 default:
209 fprintf(stderr, "WARNING: write to undefined menu port %X\n", address); 278 fprintf(stderr, "WARNING: write to undefined menu port %X\n", address);
210 } 279 }
211 menu->state = 0; 280 menu->state = 0;