mirror of https://github.com/bsnes-emu/bsnes.git
116 lines
3.3 KiB
C++
116 lines
3.3 KiB
C++
//Ricoh 6502
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//* Ricoh 2A03
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//* Ricoh 2A07
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#pragma once
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namespace Processor {
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struct R6502 {
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virtual auto op_read(uint16 addr) -> uint8 = 0;
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virtual auto op_write(uint16 addr, uint8 data) -> void = 0;
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virtual auto last_cycle() -> void = 0;
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virtual auto nmi(uint16& vector) -> void = 0;
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virtual auto debugger_read(uint16 addr) -> uint8 { return 0u; }
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auto mdr() const -> uint8;
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auto power() -> void;
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auto reset() -> void;
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auto interrupt() -> void;
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auto exec() -> void;
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auto serialize(serializer&) -> void;
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//memory.cpp
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auto op_readpc() -> uint8;
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auto op_readpci() -> uint8;
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auto op_readsp() -> uint8;
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auto op_readzp(uint8 addr) -> uint8;
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auto op_writesp(uint8 data) -> void;
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auto op_writezp(uint8 addr, uint8 data) -> void;
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auto op_page(uint16 x, uint16 y) -> void;
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auto op_page_always(uint16 x, uint16 y) -> void;
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//instructions.cpp
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auto opf_asl();
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auto opf_adc();
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auto opf_and();
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auto opf_bit();
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auto opf_cmp();
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auto opf_cpx();
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auto opf_cpy();
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auto opf_dec();
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auto opf_eor();
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auto opf_inc();
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auto opf_lda();
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auto opf_ldx();
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auto opf_ldy();
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auto opf_lsr();
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auto opf_ora();
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auto opf_rla();
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auto opf_rol();
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auto opf_ror();
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auto opf_rra();
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auto opf_sbc();
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auto opf_sla();
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auto opf_sra();
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auto opi_branch(bool condition);
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auto opi_clear_flag(bool& flag);
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auto opi_decrement(uint8& r);
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auto opi_increment(uint8& r);
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auto opi_pull(uint8& r);
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auto opi_push(uint8& r);
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template<auto (R6502::*op)() -> void> auto opi_read_absolute();
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template<auto (R6502::*op)() -> void> auto opi_read_absolute_x();
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template<auto (R6502::*op)() -> void> auto opi_read_absolute_y();
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template<auto (R6502::*op)() -> void> auto opi_read_immediate();
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template<auto (R6502::*op)() -> void> auto opi_read_indirect_zero_page_x();
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template<auto (R6502::*op)() -> void> auto opi_read_indirect_zero_page_y();
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template<auto (R6502::*op)() -> void> auto opi_read_zero_page();
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template<auto (R6502::*op)() -> void> auto opi_read_zero_page_x();
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template<auto (R6502::*op)() -> void> auto opi_read_zero_page_y();
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template<auto (R6502::*op)() -> void> auto opi_rmw_absolute();
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template<auto (R6502::*op)() -> void> auto opi_rmw_absolute_x();
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template<auto (R6502::*op)() -> void> auto opi_rmw_zero_page();
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template<auto (R6502::*op)() -> void> auto opi_rmw_zero_page_x();
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auto opi_set_flag(bool& flag);
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template<auto (R6502::*op)() -> void> auto opi_shift();
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auto opi_store_absolute(uint8& r);
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auto opi_store_absolute_x(uint8& r);
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auto opi_store_absolute_y(uint8& r);
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auto opi_store_indirect_zero_page_x(uint8& r);
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auto opi_store_indirect_zero_page_y(uint8& r);
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auto opi_store_zero_page(uint8& r);
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auto opi_store_zero_page_x(uint8& r);
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auto opi_store_zero_page_y(uint8& r);
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auto opi_transfer(uint8& s, uint8& d, bool flag);
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auto op_brk();
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auto op_jmp_absolute();
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auto op_jmp_indirect_absolute();
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auto op_jsr_absolute();
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auto op_nop();
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auto op_php();
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auto op_plp();
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auto op_rti();
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auto op_rts();
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auto opill_arr_immediate();
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auto opill_nop_absolute();
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auto opill_nop_absolute_x();
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auto opill_nop_immediate();
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auto opill_nop_implied();
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auto opill_nop_zero_page();
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auto opill_nop_zero_page_x();
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//disassembler.cpp
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auto disassemble() -> string;
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#include "registers.hpp"
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};
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}
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