// license:BSD-3-Clause // copyright-holders:Olivier Galibert /*************************************************************************** m740.h Mitsubishi M740 series (M507xx/M509xx) ***************************************************************************/ #ifndef __M740_H__ #define __M740_H__ #include "m6502.h" class m740_device : public m6502_device { public: enum { M740_INT0_LINE = INPUT_LINE_IRQ0, // (fffc) M740_INT1_LINE, // (fffa) M740_INT2_LINE, // (fff8) M740_INT3_LINE, // (fff6) M740_INT4_LINE, // (fff4) M740_INT5_LINE, // (fff2) M740_INT6_LINE, // (fff0) M740_INT7_LINE, // (ffee) M740_INT8_LINE, // (ffec) M740_INT9_LINE, // (ffea) M740_INT10_LINE, // (ffe8) M740_INT11_LINE, // (ffe6) M740_INT12_LINE, // (ffe4) M740_INT13_LINE, // (ffe2) M740_INT14_LINE, // (ffe0) M740_MAX_INT_LINE = M740_INT14_LINE, M740_SET_OVERFLOW = m6502_device::V_LINE }; m740_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); m740_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, uint32_t clock, const char *shortname, const char *source); virtual void device_start() override; virtual void device_reset() override; static const disasm_entry disasm_entries[0x200]; virtual void state_string_export(const device_state_entry &entry, std::string &str) const override; virtual offs_t disasm_disassemble(std::ostream &stream, offs_t pc, const uint8_t *oprom, const uint8_t *opram, uint32_t options) override; virtual void do_exec_full() override; virtual void do_exec_partial() override; virtual void execute_set_input(int inputnum, int state) override; protected: #define O(o) void o ## _full(); void o ## _partial() uint8_t do_clb(uint8_t in, uint8_t bit); uint8_t do_seb(uint8_t in, uint8_t bit); uint8_t do_rrf(uint8_t in); void do_sbc_dt(uint8_t val); void do_sbc_ndt(uint8_t val); void do_sbct(uint8_t val); void do_adc_dt(uint8_t val); void do_adc_ndt(uint8_t val); void do_adct(uint8_t val); // m740 opcodes O(brk740_imp); O(clt_imp); O(set_imp); O(ldm_imz); O(jsr_spg); O(reset740); O(seb_biz); O(seb_bac); O(clb_biz); O(clb_bac); O(bbc_bzr); O(bbc_bar); O(bbs_bzr); O(bbs_bar); O(rrf_zpg); O(bra_rel); O(jmp_zpi); O(adct_aba); O(adct_abx); O(adct_aby); O(adct_idx); O(adct_idy); O(adct_imm); O(adct_zpg); O(adct_zpx); O(andt_aba); O(andt_abx); O(andt_aby); O(andt_imm); O(andt_idx); O(andt_idy); O(andt_zpg); O(andt_zpx); O(cmpt_aba); O(cmpt_abx); O(cmpt_aby); O(cmpt_idx); O(cmpt_idy); O(cmpt_imm); O(cmpt_zpg); O(cmpt_zpx); O(com_zpg); O(dec_acc); O(dect_acc); O(eort_aba); O(eort_abx); O(eort_aby); O(eort_idx); O(eort_idy); O(eort_imm); O(eort_zpg); O(eort_zpx); O(inc_acc); O(inct_acc); O(ldt_aba); O(ldt_abx); O(ldt_aby); O(ldt_idx); O(ldt_idy); O(ldt_imm); O(ldt_zpg); O(ldt_zpx); O(ort_aba); O(ort_abx); O(ort_aby); O(ort_imm); O(ort_idx); O(ort_idy); O(ort_zpg); O(ort_zpx); O(sbct_aba); O(sbct_abx); O(sbct_aby); O(sbct_idx); O(sbct_idy); O(sbct_imm); O(sbct_zpg); O(sbct_zpx); #undef O uint32_t m_irq_multiplex; uint16_t m_irq_vector; void set_irq_line(int line, int state); }; extern const device_type M740; #endif