30 #include "EventCallback.h"
31 #include "EventScheduler.h"
39 namespace libsidplayfp
45 namespace MOS6510Debug
47 void DumpState(event_clock_t time, MOS6510 &cpu);
64 friend void MOS6510Debug::DumpState(event_clock_t time,
MOS6510 &cpu);
76 static const int MAX = 65536;
79 static const uint8_t SP_PAGE = 0x01;
106 bool irqAssertedOnPin;
123 bool rdyOnThrowAwayRead;
129 uint_least16_t Register_ProgramCounter;
130 uint_least16_t Cycle_EffectiveAddress;
131 uint_least16_t Cycle_Pointer;
134 uint8_t Register_StackPointer;
135 uint8_t Register_Accumulator;
141 int_least32_t instrStartPC;
142 uint_least16_t instrOperand;
150 struct ProcessorCycle instrTable[0x101 << 3];
161 void eventWithoutSteals();
162 void eventWithSteals();
165 inline void Initialise();
168 inline void IRQLoRequest();
169 inline void IRQHiRequest();
170 inline void interruptsAndNextOpcode();
171 inline void calculateInterruptTriggerCycle();
174 inline void fetchNextOpcode();
175 inline void throwAwayFetch();
176 inline void throwAwayRead();
177 inline void FetchDataByte();
178 inline void FetchLowAddr();
179 inline void FetchLowAddrX();
180 inline void FetchLowAddrY();
181 inline void FetchHighAddr();
182 inline void FetchHighAddrX();
183 inline void FetchHighAddrX2();
184 inline void FetchHighAddrY();
185 inline void FetchHighAddrY2();
186 inline void FetchLowEffAddr();
187 inline void FetchHighEffAddr();
188 inline void FetchHighEffAddrY();
189 inline void FetchHighEffAddrY2();
190 inline void FetchLowPointer();
191 inline void FetchLowPointerX();
192 inline void FetchHighPointer();
193 inline void FetchEffAddrDataByte();
194 inline void PutEffAddrDataByte();
195 inline void PushLowPC();
196 inline void PushHighPC();
197 inline void PushSR();
198 inline void PopLowPC();
199 inline void PopHighPC();
201 inline void brkPushLowPC();
202 inline void WasteCycle();
204 inline void Push(uint8_t data);
205 inline uint8_t Pop();
206 inline void compare(uint8_t data);
209 inline void adc_instr();
210 inline void alr_instr();
211 inline void anc_instr();
212 inline void and_instr();
213 inline void ane_instr();
214 inline void arr_instr();
215 inline void asl_instr();
216 inline void asla_instr();
217 inline void aso_instr();
218 inline void axa_instr();
219 inline void axs_instr();
220 inline void bcc_instr();
221 inline void bcs_instr();
222 inline void beq_instr();
223 inline void bit_instr();
224 inline void bmi_instr();
225 inline void bne_instr();
226 inline void branch_instr(
bool condition);
227 inline void fix_branch();
228 inline void bpl_instr();
229 inline void bvc_instr();
230 inline void bvs_instr();
231 inline void clc_instr();
232 inline void cld_instr();
233 inline void cli_instr();
234 inline void clv_instr();
235 inline void cmp_instr();
236 inline void cpx_instr();
237 inline void cpy_instr();
238 inline void dcm_instr();
239 inline void dec_instr();
240 inline void dex_instr();
241 inline void dey_instr();
242 inline void eor_instr();
243 inline void inc_instr();
244 inline void ins_instr();
245 inline void inx_instr();
246 inline void iny_instr();
247 inline void jmp_instr();
248 inline void las_instr();
249 inline void lax_instr();
250 inline void lda_instr();
251 inline void ldx_instr();
252 inline void ldy_instr();
253 inline void lse_instr();
254 inline void lsr_instr();
255 inline void lsra_instr();
256 inline void oal_instr();
257 inline void ora_instr();
258 inline void pha_instr();
259 inline void pla_instr();
260 inline void rla_instr();
261 inline void rol_instr();
262 inline void rola_instr();
263 inline void ror_instr();
264 inline void rora_instr();
265 inline void rra_instr();
266 inline void rti_instr();
267 inline void rts_instr();
268 inline void sbx_instr();
269 inline void say_instr();
270 inline void sbc_instr();
271 inline void sec_instr();
272 inline void sed_instr();
273 inline void sei_instr();
274 inline void shs_instr();
275 inline void sta_instr();
276 inline void stx_instr();
277 inline void sty_instr();
278 inline void tax_instr();
279 inline void tay_instr();
280 inline void tsx_instr();
281 inline void txa_instr();
282 inline void txs_instr();
283 inline void tya_instr();
284 inline void xas_instr();
285 inline void sh_instr(uint8_t offset);
290 void invalidOpcode();
296 inline bool checkInterrupts()
const {
return rstFlag || nmiFlag || (irqAssertedOnPin && !flags.getI()); }
298 inline void buildInstructionTable();
301 MOS6510(EventScheduler &scheduler);
310 virtual uint8_t
cpuRead(uint_least16_t addr) =0;
318 virtual void cpuWrite(uint_least16_t addr, uint8_t data) =0;
325 void debug(
bool enable, FILE *out);
Definition: EventCallback.h:36
Definition: EventScheduler.h:62
virtual uint8_t cpuRead(uint_least16_t addr)=0
void setRDY(bool newRDY)
Definition: mos6510.cpp:120
MOS6510(EventScheduler &scheduler)
Definition: mos6510.cpp:1458
void triggerNMI()
Definition: mos6510.cpp:182
static const char * credits()
Definition: mos6510.cpp:2188
void triggerRST()
Definition: mos6510.cpp:168
virtual void cpuWrite(uint_least16_t addr, uint8_t data)=0
void reset()
Definition: mos6510.cpp:2169
static const int SR_INTERRUPT
Status register interrupt bit.
Definition: mos6510.h:83
void triggerIRQ()
Definition: mos6510.cpp:198
void clearIRQ()
Definition: mos6510.cpp:214