--------------------------------------------------------------------------- */
int count;
- pair_t regs[4];
+ pair32_t regs[4];
uint16_t SP, PC, prevPC;
uint16_t IM, RIM_IEN;
- bool HALT, BUSREQ, SID, afterEI;
+ bool afterHALT, BUSREQ, SID, afterEI;
+
+ static const int cc_op_8080[0x100];
+ static const int cc_op_8085[0x100];
+
+ static const uint8_t ZS[256];
+ static const uint8_t ZSP[256];
+ static const uint16_t DAA[2048];
+
+ virtual void dec_count(uint8_t code) {}
+ virtual void check_reg_c(uint8_t val) {}
+ virtual void check_reg_e(uint8_t val) {}
+ virtual void check_reg_l(uint8_t val) {}
+ virtual void check_reg_sp(uint8_t val) {}
+ virtual void INSN_0x08(void) {}
+ virtual void INSN_0x10(void) {}
+ virtual void RLDE(void) {}
+ virtual void RIM(void) {}
+ virtual void _DAA(void) {}
+ virtual void LDEH(void) {}
+ virtual void CMA(void) {}
+ virtual void SIM(void) {}
+ virtual void LDES(void) {}
+ virtual void INSN_0xcb(void) {}
+ virtual void INSN_0xd9(void) {}
+ virtual void INSN_0xdd(void) {}
+ virtual void INSN_0xed(void) {}
+ virtual void INSN_0xfd(void) {}
+
+
+ virtual void JMP(uint8_t c);
+ virtual void CALL(uint8_t c);
+ virtual void ANA(uint8_t n);
+
+ virtual uint8_t RM8(uint16_t addr) { return 0xff;}
+ virtual void WM8(uint16_t addr, uint8_t val) {}
+ virtual uint16_t RM16(uint16_t addr) { return 0xffff;}
+ virtual void WM16(uint16_t addr, uint16_t val) {}
+ virtual uint8_t IN8(uint8_t addr) { return 0xff; }
+ virtual void OUT8(uint8_t addr, uint8_t val) {}
+ virtual uint8_t FETCHOP() { return 0xff;}
+ virtual uint8_t FETCH8() { return 0xff;}
+ virtual uint16_t FETCH16() { return 0xffff; }
+ virtual uint16_t POP16() { return 0xff;}
+ virtual void PUSH16(uint16_t val) {}
+ virtual uint32_t ACK_INTR() {return 0xffffffff; }
+
+ void DSUB();
+
+ inline void INT(uint16_t v);
+ inline void RST(uint16_t n);
+
+ void OP(uint8_t code);
+ uint64_t total_count;
+ uint64_t prev_total_count;
public:
- I8080_BASE(VM* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
+ I8080_BASE(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
{
BUSREQ = false;
SID = true;
d_mem = d_pic = d_io = NULL;
d_mem_stored = d_io_stored = NULL;
d_debugger = NULL;
+ total_count = prev_total_count = 0;
set_device_name(_T("i8080 CPU"));
}
~I8080_BASE() {}
return PC;
}
//#ifdef USE_DEBUGGER
+ bool is_cpu()
+ {
+ return true;
+ }
+ bool is_debugger_available()
+ {
+ return true;
+ }
void *get_debugger()
{
return d_debugger;
void write_debug_io8(uint32_t addr, uint32_t data);
uint32_t read_debug_io8(uint32_t addr);
bool write_debug_reg(const _TCHAR *reg, uint32_t data);
- void get_debug_regs_info(_TCHAR *buffer, size_t buffer_len);
+ bool get_debug_regs_info(_TCHAR *buffer, size_t buffer_len);
int debug_dasm(uint32_t pc, _TCHAR *buffer, size_t buffer_len);
//#endif
// unique function
}
};
+
+inline void I8080_BASE::INT(uint16_t v)
+{ \
+ if(afterHALT) {
+ PC++; afterHALT = 0;
+ }
+ PUSH16(PC); PC = (v);
+}
+
+inline void I8080_BASE::RST(uint16_t n)
+{
+ PUSH16(PC);
+ PC = 8 * n;
+}
+
#endif