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comparison z80_util.c @ 1784:72540af9c90a

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Implement serialization/deserialization in new Z80 core
author Michael Pavone <pavone@retrodev.com>
date Tue, 12 Mar 2019 23:06:04 -0700
parents 6e4faa10f9ee
children
comparison
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1783:eda8df5bc74c 1784:72540af9c90a
226 } 226 }
227 } 227 }
228 228
229 void z80_serialize(z80_context *context, serialize_buffer *buf) 229 void z80_serialize(z80_context *context, serialize_buffer *buf)
230 { 230 {
231 //TODO: Implement me 231 save_int8(buf, context->main[1]);//C
232 save_int8(buf, context->main[0]);//B
233 save_int8(buf, context->main[3]);//E
234 save_int8(buf, context->main[2]);//D
235 save_int8(buf, context->main[5]);//L
236 save_int8(buf, context->main[4]);//H
237 save_int8(buf, context->ix);//IXL
238 save_int8(buf, context->ix >> 8);//IXH
239 save_int8(buf, context->iy);//IYL
240 save_int8(buf, context->iy >> 8);//IYH
241 save_int8(buf, context->i);
242 save_int8(buf, (context->rhigh & 0x80) | (context->r & 0x7F));
243 save_int8(buf, context->main[7]);//A
244 uint8_t f = context->last_flag_result & 0xA8
245 | (context->zflag ? 0x40 : 0)
246 | (context->chflags & 8 ? 0x10 : 0)
247 | (context->pvflag ? 4 : 0)
248 | (context->nflag ? 2 : 0)
249 | (context->chflags & 0x80 ? 1 : 0);
250 save_int8(buf, f);
251 save_int8(buf, context->alt[1]);//C
252 save_int8(buf, context->alt[0]);//B
253 save_int8(buf, context->alt[3]);//E
254 save_int8(buf, context->alt[2]);//D
255 save_int8(buf, context->alt[5]);//L
256 save_int8(buf, context->alt[4]);//H
257 save_int8(buf, 0);//non-existant alt ixl
258 save_int8(buf, 0);//non-existant alt ixh
259 save_int8(buf, 0);//non-existant alt iyl
260 save_int8(buf, 0);//non-existant alt iyh
261 save_int8(buf, 0);//non-existant alt i
262 save_int8(buf, 0);//non-existant alt r
263 save_int8(buf, context->alt[7]);//A
264 save_int8(buf, context->alt[6]);//F
265
266 save_int16(buf, context->pc);
267 save_int16(buf, context->sp);
268 save_int8(buf, context->imode);
269 save_int8(buf, context->iff1);
270 save_int8(buf, context->iff2);
271 uint8_t is_nmi = context->nmi_cycle != 0xFFFFFFFF && (context->nmi_cycle < context->int_cycle || !context->iff1);
272 save_int8(buf, is_nmi);//int_is_nmi
273 save_int8(buf, context->busack);
274 save_int32(buf, context->cycles);
275 save_int32(buf, is_nmi ? context->nmi_cycle : context->int_cycle);//int_cycle
276 save_int32(buf, 0);//int_enable_cycle
277 save_int32(buf, context->int_cycle);
278 save_int32(buf, context->int_end_cycle);
279 save_int32(buf, context->nmi_cycle);
232 } 280 }
233 281
234 void z80_deserialize(deserialize_buffer *buf, void *vcontext) 282 void z80_deserialize(deserialize_buffer *buf, void *vcontext)
235 { 283 {
236 //TODO: Implement me 284 z80_context *context = vcontext;
285 context->main[1] = load_int8(buf);//C
286 context->main[0] = load_int8(buf);//B
287 context->main[3] = load_int8(buf);//E
288 context->main[2] = load_int8(buf);//D
289 context->main[5] = load_int8(buf);//L
290 context->main[4] = load_int8(buf);//H
291 context->ix = load_int8(buf);//IXL
292 context->ix |= load_int8(buf) << 8;//IXH
293 context->iy = load_int8(buf);//IYL
294 context->iy |= load_int8(buf) << 8;//IYH
295 context->i = load_int8(buf);
296 context->r = load_int8(buf);
297 context->rhigh = context->r & 0x80;
298 context->main[7] = load_int8(buf);//A
299 context->last_flag_result = load_int8(buf);
300 context->zflag = context->last_flag_result & 0x40;
301 context->chflags = context->last_flag_result & 0x10 ? 8 : 0;
302 context->pvflag = context->last_flag_result & 4;
303 context->nflag = context->last_flag_result & 2;
304 context->chflags |= context->last_flag_result & 1 ? 0x80 : 0;
305 context->alt[1] = load_int8(buf);//C
306 context->alt[0] = load_int8(buf);//B
307 context->alt[3] = load_int8(buf);//E
308 context->alt[2] = load_int8(buf);//D
309 context->alt[5] = load_int8(buf);//L
310 context->alt[4] = load_int8(buf);//H
311 load_int8(buf);//non-existant alt ixl
312 load_int8(buf);//non-existant alt ixh
313 load_int8(buf);//non-existant alt iyl
314 load_int8(buf);//non-existant alt iyh
315 load_int8(buf);//non-existant alt i
316 load_int8(buf);//non-existant alt r
317 context->alt[7] = load_int8(buf);//A
318 context->alt[6] = load_int8(buf);//F
319
320 context->pc = load_int16(buf);
321 context->sp = load_int16(buf);
322 context->imode = load_int8(buf);
323 context->iff1 = load_int8(buf);
324 context->iff2 = load_int8(buf);
325 load_int8(buf);//int_is_nmi
326 context->busack = load_int8(buf);
327 context->cycles = load_int32(buf);
328 load_int32(buf);//int_cycle
329 load_int32(buf);//int_enable_cycle
330 context->int_cycle = load_int32(buf);
331 context->int_end_cycle = load_int32(buf);
332 context->nmi_cycle = load_int32(buf);
237 } 333 }
238 334
239 void zinsert_breakpoint(z80_context * context, uint16_t address, uint8_t * bp_handler) 335 void zinsert_breakpoint(z80_context * context, uint16_t address, uint8_t * bp_handler)
240 { 336 {
241 } 337 }