diff options
author | 2022-01-15 19:52:53 -0500 | |
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committer | 2022-01-15 19:52:53 -0500 | |
commit | 12a1291f5a3e578010325131bd3dbbd7c61aff18 (patch) | |
tree | 2c0de5a7b215928c65d544e6755cb5f9a11bdd6d /src/devices/cpu/upd78k/upd78k4d.h | |
parent | 51e0c3a216eb29be1b472fe10c53a00e92239369 (diff) |
Add skeleton CPU device and disassembler for NEC 78K/IV (uPD784XXX) architecture
Diffstat (limited to 'src/devices/cpu/upd78k/upd78k4d.h')
-rw-r--r-- | src/devices/cpu/upd78k/upd78k4d.h | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/devices/cpu/upd78k/upd78k4d.h b/src/devices/cpu/upd78k/upd78k4d.h new file mode 100644 index 00000000000..3ebd0b1008c --- /dev/null +++ b/src/devices/cpu/upd78k/upd78k4d.h @@ -0,0 +1,128 @@ +// license:BSD-3-Clause +// copyright-holders:AJR + +#ifndef MAME_CPU_UPD78K_UPD78K4D_H +#define MAME_CPU_UPD78K_UPD78K4D_H + +#pragma once + +#include "upd78k3d.h" + +class upd78k4_disassembler : public upd78k3_disassembler +{ +protected: + upd78k4_disassembler(const char *const sfr_names[], const char *const sfrp_names[]); + + // register and mnemonic tables + static const char *const s_ix_bases[5]; + static const char *const s_imm24_offsets[4]; + static const char *const s_rg_names[4]; + + // upd78k_family_disassembler overrides + virtual void format_jdisp8(std::ostream &stream, offs_t pc, u8 disp) override; + + // upd78k3_disassembler overrides + virtual offs_t dasm_05xx(std::ostream &stream, u8 op2) override; + virtual offs_t dasm_06xx(std::ostream &stream, u8 op2, offs_t pc, const data_buffer &opcodes) override; + virtual offs_t dasm_07xx(std::ostream &stream, u8 op2, offs_t pc, const data_buffer &opcodes) override; + virtual offs_t dasm_09xx(std::ostream &stream, u8 op2, offs_t pc, const data_buffer &opcodes) override; + virtual offs_t dasm_0axx(std::ostream &stream, u8 op2, offs_t pc, const data_buffer &opcodes) override; + virtual offs_t dasm_16xx(std::ostream &stream, u8 op1, u8 op2) override; + virtual offs_t dasm_24xx(std::ostream &stream, u8 op, u8 rr) override; + virtual offs_t dasm_2a(std::ostream &stream, offs_t pc, const data_buffer &opcodes) override; + virtual offs_t dasm_38(std::ostream &stream, u8 op, offs_t pc, const data_buffer &opcodes) override; + virtual offs_t dasm_3c(std::ostream &stream, u8 op, offs_t pc, const data_buffer &opcodes) override; + virtual offs_t dasm_43(std::ostream &stream, offs_t pc, const data_buffer &opcodes) override; + virtual offs_t dasm_78(std::ostream &stream, u8 op, offs_t pc, const data_buffer &opcodes) override; + virtual offs_t dasm_88xx(std::ostream &stream, u8 op, u8 rr) override; + +private: + // formatting helpers + void format_imm24(std::ostream &stream, u32 d); + void format_abs20(std::ostream &stream, u32 addr); + void format_abs24(std::ostream &stream, u32 addr); + void format_saddr1(std::ostream &stream, u8 addr); + void format_saddrp1(std::ostream &stream, u8 addr); + void format_saddrg1(std::ostream &stream, u8 addr); + void format_saddrg2(std::ostream &stream, u8 addr); + void format_jdisp16(std::ostream &stream, offs_t pc, u16 disp); +}; + +class upd784026_disassembler : public upd78k4_disassembler +{ +public: + upd784026_disassembler(); + +private: + // SFR tables + static const char *const s_sfr_names[256]; + static const char *const s_sfrp_names[128]; +}; + +class upd784038_disassembler : public upd78k4_disassembler +{ +public: + upd784038_disassembler(); + +private: + // SFR tables + static const char *const s_sfr_names[256]; + static const char *const s_sfrp_names[128]; +}; + +class upd784046_disassembler : public upd78k4_disassembler +{ +public: + upd784046_disassembler(); + +private: + // SFR tables + static const char *const s_sfr_names[256]; + static const char *const s_sfrp_names[128]; +}; + +class upd784054_disassembler : public upd78k4_disassembler +{ +public: + upd784054_disassembler(); + +private: + // SFR tables + static const char *const s_sfr_names[256]; + static const char *const s_sfrp_names[128]; +}; + +class upd784216_disassembler : public upd78k4_disassembler +{ +public: + upd784216_disassembler(); + +private: + // SFR tables + static const char *const s_sfr_names[256]; + static const char *const s_sfrp_names[128]; +}; + +class upd784218_disassembler : public upd78k4_disassembler +{ +public: + upd784218_disassembler(); + +private: + // SFR tables + static const char *const s_sfr_names[256]; + static const char *const s_sfrp_names[128]; +}; + +class upd784225_disassembler : public upd78k4_disassembler +{ +public: + upd784225_disassembler(); + +private: + // SFR tables + static const char *const s_sfr_names[256]; + static const char *const s_sfrp_names[128]; +}; + +#endif // MAME_CPU_UPD78K_UPD78K3D_H |