diff --git a/scripts/src/cpu.lua b/scripts/src/cpu.lua index 090093df856..e8084e2a362 100644 --- a/scripts/src/cpu.lua +++ b/scripts/src/cpu.lua @@ -2818,3 +2818,20 @@ if (CPUS["HPC"]~=null or _OPTIONS["with-tools"]) then table.insert(disasm_files , MAME_DIR .. "src/devices/cpu/hpc/hpcdasm.cpp") table.insert(disasm_files , MAME_DIR .. "src/devices/cpu/hpc/hpcdasm.h") end + +-------------------------------------------------- +-- Yamaha Multiple Effects Generator +--@src/devices/sound/meg.h,CPUS["MEG"] = true +-------------------------------------------------- + +if (CPUS["MEG"]~=null) then + files { + MAME_DIR .. "src/devices/sound/meg.cpp", + MAME_DIR .. "src/devices/sound/meg.h", + } +end + +if (CPUS["MEG"]~=null or _OPTIONS["with-tools"]) then + table.insert(disasm_files , MAME_DIR .. "src/devices/sound/megd.cpp") + table.insert(disasm_files , MAME_DIR .. "src/devices/sound/megd.h") +end diff --git a/scripts/target/mame/mess.lua b/scripts/target/mame/mess.lua index 032e5d6f474..bfe03e65404 100644 --- a/scripts/target/mame/mess.lua +++ b/scripts/target/mame/mess.lua @@ -139,6 +139,7 @@ CPUS["CAPRICORN"] = true CPUS["ALPHA"] = true --CPUS["DSPP"] = true CPUS["HPC"] = true +CPUS["MEG"] = true -------------------------------------------------- -- specify available sound cores; some of these are diff --git a/src/devices/sound/meg.cpp b/src/devices/sound/meg.cpp new file mode 100644 index 00000000000..a1f9d67b293 --- /dev/null +++ b/src/devices/sound/meg.cpp @@ -0,0 +1,384 @@ +// license:BSD-3-Clause +// copyright-holders:Olivier Galibert + +// Yamaha MEG - Multiple effects generator +// +// Audio dsp dedicated to effects generation + +#include "emu.h" +#include "debugger.h" +#include "meg.h" + +DEFINE_DEVICE_TYPE(MEG, meg_device, "meg", "Multiple Effects Generator (HD62098 / XM309A00)") +DEFINE_DEVICE_TYPE(MEGEMB, meg_embedded_device, "megemb", "Multiple Effects Generator (embedded)") + +void meg_base_device::prg_map(address_map &map) +{ + map(0, m_prg_size - 1).ram(); +} + +void meg_base_device::fp_map(address_map &map) +{ + map(0, m_prg_size - 1).ram(); +} + +void meg_base_device::offsets_map(address_map &map) +{ + map(0, 0x7f).ram(); +} + +meg_base_device::meg_base_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock, u32 prg_size) : + cpu_device(mconfig, type, tag, owner, clock), + m_program_config("program", ENDIANNESS_BIG, 64, prg_size > 256 ? 9 : 8, -3, address_map_constructor(FUNC(meg_base_device::prg_map), this)), + m_fp_config("fp", ENDIANNESS_BIG, 16, prg_size > 256 ? 9 : 8, -1, address_map_constructor(FUNC(meg_base_device::fp_map), this)), + m_offsets_config("offsets", ENDIANNESS_BIG, 16, prg_size > 256 ? 7 : 7, -1, address_map_constructor(FUNC(meg_base_device::offsets_map), this)), + m_prg_size(prg_size) +{ +} + + +void meg_base_device::prg_w(u16 address, u64 opcode) +{ + m_program->write_qword(address, opcode); +} + +void meg_base_device::fp_w(u16 address, u16 value) +{ + m_fp->write_word(address, value); +} + +void meg_base_device::offset_w(u16 address, u16 value) +{ + m_offsets->write_word(address, value); +} + +void meg_base_device::lfo_w(u8 reg, u16 value) +{ + m_lfo[reg] = value; + + static const int dt[8] = { 0, 32, 64, 128, 256, 512, 1024, 2048 }; + static const int sh[8] = { 0, 0, 1, 2, 3, 4, 5, 6 }; + + int scale = (value >> 5) & 7; + int step = ((value & 31) << sh[scale]) + dt[scale]; + logerror("lfo_w %02x freq=%5.2f phase=%6.4f\n", reg, step * 44100.0/4194304, (value >> 8)/256.0); +} + +void meg_base_device::map_w(u8 reg, u16 value) +{ + m_map[reg] = value; +} + +u64 meg_base_device::prg_r(u16 address) const +{ + return m_program->read_qword(address); +} + +u16 meg_base_device::fp_r(u16 address) const +{ + return m_fp->read_word(address); +} + +u16 meg_base_device::offset_r(u16 address) const +{ + return m_offsets->read_word(address); +} + +u16 meg_base_device::lfo_r(u8 reg) const +{ + return m_lfo[reg]; +} + +u16 meg_base_device::map_r(u8 reg) const +{ + return m_map[reg]; +} + + +void meg_base_device::device_start() +{ + m_program = &space(AS_PROGRAM); + m_fp = &space(AS_FP); + m_offsets = &space(AS_OFFSETS); + + state_add(STATE_GENPC, "GENPC", m_pc).noshow(); + state_add(STATE_GENPCBASE, "CURPC", m_pc).noshow(); + state_add(0, "PC", m_pc); + + set_icountptr(m_icount); + + save_item(NAME(m_lfo)); + save_item(NAME(m_map)); + save_item(NAME(m_pc)); +} + +void meg_base_device::device_reset() +{ + memset(m_lfo, 0, sizeof(m_lfo)); + memset(m_map, 0, sizeof(m_map)); + m_pc = 0; +} + +uint32_t meg_base_device::execute_min_cycles() const +{ + return 1; +} + +uint32_t meg_base_device::execute_max_cycles() const +{ + return 1; +} + +uint32_t meg_base_device::execute_input_lines() const +{ + return 0; +} + +void meg_base_device::execute_run() +{ + if(machine().debug_flags & DEBUG_FLAG_ENABLED) + debugger_instruction_hook(m_pc); + m_icount = 0; +} + +device_memory_interface::space_config_vector meg_base_device::memory_space_config() const +{ + return space_config_vector { + std::make_pair(AS_PROGRAM, &m_program_config), + std::make_pair(AS_FP, &m_fp_config), + std::make_pair(AS_OFFSETS, &m_offsets_config) + }; +} + +void meg_base_device::state_import(const device_state_entry &entry) +{ +} + +void meg_base_device::state_export(const device_state_entry &entry) +{ +} + +void meg_base_device::state_string_export(const device_state_entry &entry, std::string &str) const +{ +} + +std::unique_ptr meg_base_device::create_disassembler() +{ + return std::make_unique(this); +} + +meg_embedded_device::meg_embedded_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : + meg_base_device(mconfig, MEGEMB, tag, owner, clock, 384) +{ +} + +meg_device::meg_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : + meg_base_device(mconfig, MEG, tag, owner, clock, 256) +{ +} + + +// vl70: +// 6d1e: write 1, r0l +// 6d26: write 2, r0l +// 6d2e: read 2 +// 6d36: write 3, r0l +// 6d3e: write reg 4:r0h, r0l +// 6d52: write reg 5:r0h, r0l-1 +// 6d68: write 7, r0l +// 6d70: write reg 8:r0h, r0l +// 6d84: write reg 9:r0h, r0l +// 6dac: write a, r0l +// 6db4: write reg cd:r1l, r0 +// 6dd4: write reg e:r0h, r0l +// 6dee: write reg f:r0h, r0l +// 6e08: read 10,11 +// 6e1c: write reg 1213:r1l, r0 +// 6e3c: write reg 14:r0h, r0l +// 6e50: write 15, r0l +// 6e58: write reg 16:r0h, r0l +// 6e6c: write reg 17:r0h, r0l +// 6e80: write reg 18:e0h, e0l + +void meg_device::map(address_map &map) +{ + map(0x00, 0x00).w(FUNC(meg_device::select_w)); + map(0x01, 0x01).w(FUNC(meg_device::s1_w)); + map(0x02, 0x02).rw(FUNC(meg_device::s2_r), FUNC(meg_device::s2_w)); + map(0x03, 0x03).w(FUNC(meg_device::s3_w)); + map(0x04, 0x04).w(FUNC(meg_device::s4_w)); + map(0x05, 0x05).w(FUNC(meg_device::s5_w)); + map(0x07, 0x07).w(FUNC(meg_device::s7_w)); + map(0x08, 0x08).w(FUNC(meg_device::s8_w)); + map(0x09, 0x09).w(FUNC(meg_device::s9_w)); + map(0x0a, 0x0a).w(FUNC(meg_device::sa_w)); + map(0x0c, 0x0c).w(FUNC(meg_device::fph_w)); + map(0x0d, 0x0d).w(FUNC(meg_device::fpl_w)); + map(0x0e, 0x0e).w(FUNC(meg_device::se_w)); + map(0x0f, 0x0f).w(FUNC(meg_device::sf_w)); + map(0x10, 0x10).r(FUNC(meg_device::s10_r)); + map(0x11, 0x11).r(FUNC(meg_device::s11_r)); + map(0x12, 0x12).w(FUNC(meg_device::offseth_w)); + map(0x13, 0x13).w(FUNC(meg_device::offsetl_w)); + map(0x14, 0x14).w(FUNC(meg_device::s14_w)); + map(0x15, 0x15).w(FUNC(meg_device::s15_w)); + map(0x16, 0x16).w(FUNC(meg_device::s16_w)); + map(0x17, 0x17).w(FUNC(meg_device::s17_w)); + map(0x18, 0x18).w(FUNC(meg_device::s18_w)); +} + +u8 meg_device::s2_r() +{ + logerror("read r2 %s\n", machine().describe_context()); + return 0x00; +} + +void meg_device::select_w(u8 data) +{ + m_reg = data; +} + +void meg_device::s1_w(u8 data) +{ + logerror("r1 %02x %s\n", data, machine().describe_context()); +} + +void meg_device::s2_w(u8 data) +{ + logerror("r2 %02x %s\n", data, machine().describe_context()); +} + +void meg_device::s3_w(u8 data) +{ + logerror("r3 %02x %s\n", data, machine().describe_context()); +} + +void meg_device::s4_w(u8 data) +{ + if(m_r4[m_reg] != data) { + m_r4[m_reg] = data; + logerror("r4[%02x] = %02x %s\n", m_reg, data, machine().describe_context()); + } +} + +void meg_device::s5_w(u8 data) +{ + if(m_r5[m_reg] != data) { + m_r5[m_reg] = data; + logerror("r5[%02x] = %02x %s\n", m_reg, data, machine().describe_context()); + } +} + +void meg_device::s7_w(u8 data) +{ + logerror("r7 %02x %s\n", data, machine().describe_context()); +} + +void meg_device::s8_w(u8 data) +{ + if(m_r8[m_reg] != data) { + m_r8[m_reg] = data; + logerror("r8[%02x] = %02x %s\n", m_reg, data, machine().describe_context()); + } +} + + +void meg_device::s9_w(u8 data) +{ + if(m_r9[m_reg] != data) { + m_r9[m_reg] = data; + logerror("r9[%02x] = %02x %s\n", m_reg, data, machine().describe_context()); + } +} + +void meg_device::sa_w(u8 data) +{ + logerror("ra %02x %s\n", data, machine().describe_context()); +} + +void meg_device::fph_w(u8 data) +{ + fp_w(m_reg, (fp_r(m_reg) & 0x00ff) | (data << 8)); +} + + +void meg_device::fpl_w(u8 data) +{ + fp_w(m_reg, (fp_r(m_reg) & 0xff00) | data); +} + +void meg_device::se_w(u8 data) +{ + if(m_re[m_reg] != data) { + m_re[m_reg] = data; + logerror("re[%02x] = %02x %s\n", m_reg, data, machine().describe_context()); + } +} + + +void meg_device::sf_w(u8 data) +{ + if(m_rf[m_reg] != data) { + m_rf[m_reg] = data; + logerror("rf[%02x] = %02x %s\n", m_reg, data, machine().describe_context()); + } +} + +u8 meg_device::s10_r() +{ + logerror("read r10 %s\n", machine().describe_context()); + return 0x00; +} + +u8 meg_device::s11_r() +{ + logerror("read r11 %s\n", machine().describe_context()); + return 0x00; +} + +void meg_device::offseth_w(u8 data) +{ + offset_w(m_reg, (offset_r(m_reg) & 0x00ff) | (data << 8)); +} + +void meg_device::offsetl_w(u8 data) +{ + offset_w(m_reg, (offset_r(m_reg) & 0xff00) | data); +} + +void meg_device::s14_w(u8 data) +{ + if(m_r14[m_reg] != data) { + m_r14[m_reg] = data; + logerror("r14[%02x] = %02x %s\n", m_reg, data, machine().describe_context()); + } +} + +void meg_device::s15_w(u8 data) +{ + logerror("r15 %02x %s\n", data, machine().describe_context()); +} + +void meg_device::s16_w(u8 data) +{ + if(m_r16[m_reg] != data) { + m_r16[m_reg] = data; + logerror("r16[%02x] = %02x %s\n", m_reg, data, machine().describe_context()); + } +} + +void meg_device::s17_w(u8 data) +{ + if(m_r17[m_reg] != data) { + m_r17[m_reg] = data; + logerror("r17[%02x] = %02x %s\n", m_reg, data, machine().describe_context()); + } +} + +void meg_device::s18_w(u8 data) +{ + if(m_r18[m_reg] != data) { + m_r18[m_reg] = data; + logerror("r18[%02x] = %02x %s\n", m_reg, data, machine().describe_context()); + } +} diff --git a/src/devices/sound/meg.h b/src/devices/sound/meg.h new file mode 100644 index 00000000000..bc403e9eabf --- /dev/null +++ b/src/devices/sound/meg.h @@ -0,0 +1,122 @@ +// license:BSD-3-Clause +// copyright-holders:Olivier Galibert + +// Yamaha MEG - Multiple effects generator +// +// Audio dsp dedicated to effects generation + +#ifndef DEVICES_SOUND_MEG_H +#define DEVICES_SOUND_MEG_H + +#pragma once + +#include "megd.h" + + +class meg_base_device : public cpu_device, public meg_disassembler::info +{ +public: + enum { + AS_FP = 1, + AS_OFFSETS = 2 + }; + + meg_base_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock, u32 prg_size); + + void prg_w(u16 address, u64 opcode); + void fp_w(u16 address, u16 value); + void offset_w(u16 address, u16 value); + void lfo_w(u8 reg, u16 value); + void map_w(u8 reg, u16 value); + u64 prg_r(u16 address) const; + virtual u16 fp_r(u16 address) const override; + virtual u16 offset_r(u16 address) const override; + u16 lfo_r(u8 reg) const; + u16 map_r(u8 reg) const; + +protected: + virtual void device_start() override; + virtual void device_reset() override; + virtual uint32_t execute_min_cycles() const override; + virtual uint32_t execute_max_cycles() const override; + virtual uint32_t execute_input_lines() const override; + virtual void execute_run() override; + virtual space_config_vector memory_space_config() const override; + virtual void state_import(const device_state_entry &entry) override; + virtual void state_export(const device_state_entry &entry) override; + virtual void state_string_export(const device_state_entry &entry, std::string &str) const override; + virtual std::unique_ptr create_disassembler() override; + +private: + address_space_config m_program_config, m_fp_config, m_offsets_config; + address_space *m_program, *m_fp, *m_offsets; + + u32 m_prg_size, m_pc; + int m_icount; + + u16 m_lfo[0x18], m_map[8]; + + void prg_map(address_map &map); + void fp_map(address_map &map); + void offsets_map(address_map &map); +}; + +class meg_embedded_device : public meg_base_device +{ +public: + meg_embedded_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 44100*384); +}; + +class meg_device : public meg_base_device +{ +public: + meg_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 44100*256); + void map(address_map &map); + +private: + u8 m_r4[256]; + u8 m_r5[256]; + u8 m_r8[256]; + u8 m_r9[256]; + u8 m_re[256]; + u8 m_rf[256]; + u8 m_r12[256]; + u8 m_r13[256]; + u8 m_r14[256]; + u8 m_r16[256]; + u8 m_r17[256]; + u8 m_r18[256]; + u8 m_reg; + u8 s2_r(); + u8 s10_r(); + u8 s11_r(); + void select_w(u8 reg); + void s1_w(u8 data); + void s2_w(u8 data); + void s3_w(u8 data); + void s4_w(u8 data); + void s5_w(u8 data); + void s7_w(u8 data); + void s8_w(u8 data); + void s9_w(u8 data); + void sa_w(u8 data); + void fph_w(u8 data); + void fpl_w(u8 data); + void se_w(u8 data); + void sf_w(u8 data); + void s10_w(u8 data); + void s11_w(u8 data); + void offseth_w(u8 data); + void offsetl_w(u8 data); + void s14_w(u8 data); + void s15_w(u8 data); + void s16_w(u8 data); + void s17_w(u8 data); + void s18_w(u8 data); +}; + + +DECLARE_DEVICE_TYPE(MEG, meg_device) +DECLARE_DEVICE_TYPE(MEGEMB, meg_embedded_device) + +#endif diff --git a/src/devices/sound/megd.cpp b/src/devices/sound/megd.cpp new file mode 100644 index 00000000000..ced1880a697 --- /dev/null +++ b/src/devices/sound/megd.cpp @@ -0,0 +1,118 @@ +// license:BSD-3-Clause +// copyright-holders:Olivier Galibert + +// Yamaha MEG - Multiple effects generator +// +// Audio dsp dedicated to effects generation +// +// Disassembler + +#include "emu.h" +#include "megd.h" + +meg_disassembler::meg_disassembler(info *inf) : m_info(inf) +{ +} + +u32 meg_disassembler::opcode_alignment() const +{ + return 1; +} + +std::string meg_disassembler::gfp(offs_t address) const +{ + if(!m_info) + return util::string_format("fp%03x", address); + s16 fp = m_info->fp_r(address); + return util::string_format("%g", fp / 16384.0); +} + +std::string meg_disassembler::goffset(offs_t address) const +{ + return m_info ? util::string_format("%x", m_info->offset_r(address)) : util::string_format("of%02x", address); +} + +u32 meg_disassembler::b(u64 opc, u32 start, u32 count) +{ + return (opc >> start) & ((1 << count) - 1); +} + +void meg_disassembler::append(std::string &r, std::string e) +{ + if(r != "") + r += " ; "; + r += e; +} + +// 33333333 33333333 22222222 22222222 11111111 11111111 00000000 00000000 +// fedcba98 76543210 fedcba98 76543210 fedcba98 76543210 fedcba98 76543210 + +// 66665555 55555544 44444444 33333333 33222222 22221111 11111100 00000000 +// 32109876 54321098 76543210 98765432 10987654 32109876 54321098 76543210 +// XLB----- -rrrrrrr r--mmmmm m-MM---- -P-----* -----Arr rrrrrrmm mmmm---- + +// m = low is read port, high is write port, memory register +// r = low is read port, high is high port, rotating register + +// X = used for lo-fi variation only +// L = lfo read +// * = compute mul +// A = mul input = m or r +// P = P sent for register write +// B = register write to mbuf +// M = memory mode, none/read/write/read+1 + +offs_t meg_disassembler::disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer ¶ms) +{ + u64 opc = opcodes.r64(pc); + + std::string r; + + r = util::string_format("[m%02x]", b(opc, 39, 6)); + + if(b(opc, 62, 1)) + append(r, "lfo"); + + if(b(opc, 23, 1)) + switch(b(opc, 24, 2)) { + case 0: + if(b(opc, 18, 1)) + append(r, util::string_format("p += %s*m%02x", gfp(pc), b(opc, 4, 6))); + else + append(r, util::string_format("p += %s*r%02x", gfp(pc), b(opc, 10, 8))); + break; + case 1: + append(r, util::string_format("p = %s*(r%02x+m%02x)", gfp(pc), b(opc, 10, 8), b(opc, 4, 6))); + break; + case 2: + append(r, util::string_format("p ?= %s*(r%02x+m%02x)", gfp(pc), b(opc, 10, 8), b(opc, 4, 6))); + break; + case 3: + if(b(opc, 18, 1)) + append(r, util::string_format("p = %s*m%02x", gfp(pc), b(opc, 4, 6))); + else + append(r, util::string_format("p = %s*r%02x", gfp(pc), b(opc, 10, 8))); + break; + } + + if(b(opc, 30, 1)) { + if(b(opc, 61, 1)) + append(r, "mb = p"); + else if(b(opc, 46, 1) == 1) + append(r, util::string_format("m%02x = p", b(opc, 39, 6))); + else + append(r, util::string_format("r%02x = p", b(opc, 47, 8))); + } + + u32 memmode = b(opc, 36, 2); + if(memmode) { + static const char *modes[4] = { nullptr, "w", "r", "rw" }; + + append(r, util::string_format("mem_%s %x +%s", modes[memmode], b(opc, 33, 3), goffset(pc/3))); + r += util::string_format("-> m%02x", b(opcodes.r64(pc+2), 39, 6)); + } + + stream << r; + + return 1 | SUPPORTED; +} diff --git a/src/devices/sound/megd.h b/src/devices/sound/megd.h new file mode 100644 index 00000000000..59a13aa0ea4 --- /dev/null +++ b/src/devices/sound/megd.h @@ -0,0 +1,39 @@ +// license:BSD-3-Clause +// copyright-holders:Olivier Galibert + +// Yamaha MEG - Multiple effects generator +// +// Audio dsp dedicated to effects generation +// +// Disassembler + +#ifndef DEVICES_SOUND_MEGD_H +#define DEVICES_SOUND_MEGD_H + +#pragma once + +class meg_disassembler : public util::disasm_interface +{ +public: + class info { + public: + virtual u16 fp_r(u16 address) const = 0; + virtual u16 offset_r(u16 address) const = 0; + }; + + meg_disassembler(info *inf = nullptr); + + virtual u32 opcode_alignment() const override; + virtual offs_t disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer ¶ms) override; + +private: + info *m_info; + + std::string gfp(offs_t address) const; + std::string goffset(offs_t address) const; + + static inline u32 b(u64 opc, u32 start, u32 count); + static inline void append(std::string &r, std::string e); +}; + +#endif diff --git a/src/devices/sound/swp30.cpp b/src/devices/sound/swp30.cpp index 56870df5ec7..8b22af0975d 100644 --- a/src/devices/sound/swp30.cpp +++ b/src/devices/sound/swp30.cpp @@ -150,17 +150,23 @@ DEFINE_DEVICE_TYPE(SWP30, swp30_device, "swp30", "Yamaha SWP30 sound chip") swp30_device::swp30_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, SWP30, tag, owner, clock), device_sound_interface(mconfig, *this), - device_rom_interface(mconfig, *this, 25+2, ENDIANNESS_LITTLE, 32) + device_rom_interface(mconfig, *this, 25+2, ENDIANNESS_LITTLE, 32), + m_meg(*this, "meg") { } +void swp30_device::device_add_mconfig(machine_config &config) +{ + MEGEMB(config, m_meg); +} + void swp30_device::device_start() { m_stream = stream_alloc(0, 2, 44100); // Attenuantion for panning is 4.4 floating point. That means 0 // to -96.3dB. Since it's a nice range, we assume it's the same - // for other attenuation values. Computed value is is 1.16 + // for other attenuation values. Computed value is 1.16 // format, to avoid overflow for(int i=0; i<256; i++) @@ -328,8 +334,8 @@ void swp30_device::map(address_map &map) rchan(map, 0x27).rw(FUNC(swp30_device::prg_fp_r<3>), FUNC(swp30_device::prg_fp_w<3>)); rchan(map, 0x29).rw(FUNC(swp30_device::prg_fp_r<4>), FUNC(swp30_device::prg_fp_w<4>)); rchan(map, 0x2b).rw(FUNC(swp30_device::prg_fp_r<5>), FUNC(swp30_device::prg_fp_w<5>)); - rchan(map, 0x30).rw(FUNC(swp30_device::prg_int_r<0>), FUNC(swp30_device::prg_int_w<0>)); - rchan(map, 0x31).rw(FUNC(swp30_device::prg_int_r<1>), FUNC(swp30_device::prg_int_w<1>)); + rchan(map, 0x30).rw(FUNC(swp30_device::prg_off_r<0>), FUNC(swp30_device::prg_off_w<0>)); + rchan(map, 0x31).rw(FUNC(swp30_device::prg_off_r<1>), FUNC(swp30_device::prg_off_w<1>)); rchan(map, 0x3e).rw(FUNC(swp30_device::prg_lfo_r<0>), FUNC(swp30_device::prg_lfo_w<0>)); rchan(map, 0x3f).rw(FUNC(swp30_device::prg_lfo_r<1>), FUNC(swp30_device::prg_lfo_w<1>)); } @@ -381,14 +387,14 @@ void swp30_device::prg_address_w(u16 data) template u16 swp30_device::prg_r() { constexpr offs_t shift = 48-16*sel; - return m_program[m_program_address] >> shift; + return m_meg->prg_r(m_program_address) >> shift; } template void swp30_device::prg_w(u16 data) { constexpr offs_t shift = 48-16*sel; constexpr u64 mask = ~(u64(0xffff) << shift); - m_program[m_program_address] = (m_program[m_program_address] & mask) | (u64(data) << shift); + m_meg->prg_w(m_program_address, (m_meg->prg_r(m_program_address) & mask) | (u64(data) << shift)); if(sel == 3) { if(0) @@ -402,14 +408,12 @@ template void swp30_device::prg_w(u16 data) template u16 swp30_device::map_r() { - return m_map[sel]; + return m_meg->map_r(sel); } template void swp30_device::map_w(u16 data) { - m_map[sel] = data; - if(0) - logerror("map %d: type=%02x offset=%05x size=%05x\n", sel, data >> 11, (data & 0xff) << 10, 0x400 << ((data >> 8) & 7)); + m_meg->map_w(sel, data); } @@ -656,54 +660,36 @@ void swp30_device::address_l_w(offs_t offset, u16 data) } -// MEG registers (Multiple Effects Generator) +// MEG registers forwarding template u16 swp30_device::prg_fp_r(offs_t offset) { - offs_t adr = (offset >> 6)*6 + sel; - return m_program_pfp[adr]; + return m_meg->fp_r((offset >> 6)*6 + sel); } template void swp30_device::prg_fp_w(offs_t offset, u16 data) { - offs_t adr = (offset >> 6)*6 + sel; - m_program_pfp[adr] = data; - if(0) - logerror("prg_fp_w %03x, %04x\n", adr, data); + m_meg->fp_w((offset >> 6)*6 + sel, data); } -template u16 swp30_device::prg_int_r(offs_t offset) +template u16 swp30_device::prg_off_r(offs_t offset) { - offs_t adr = (offset >> 6)*2 + sel; - return m_program_pint[adr]; + return m_meg->offset_r((offset >> 6)*2 + sel); } -template void swp30_device::prg_int_w(offs_t offset, u16 data) +template void swp30_device::prg_off_w(offs_t offset, u16 data) { - offs_t adr = (offset >> 6)*2 + sel; - m_program_pint[adr] = data; - if(0) - logerror("prg_int_w %02x, %04x\n", adr, data); + m_meg->offset_w((offset >> 6)*2 + sel, data); } template u16 swp30_device::prg_lfo_r(offs_t offset) { - offs_t adr = (offset >> 6)*2 + sel; - return m_program_plfo[adr]; + return m_meg->lfo_r((offset >> 6)*2 + sel); } template void swp30_device::prg_lfo_w(offs_t offset, u16 data) { - offs_t adr = (offset >> 6)*2 + sel; - m_program_plfo[adr] = data; - - static const int dt[8] = { 0, 32, 64, 128, 256, 512, 1024, 2048 }; - static const int sh[8] = { 0, 0, 1, 2, 3, 4, 5, 6 }; - - int scale = (data >> 5) & 7; - int step = ((data & 31) << sh[scale]) + dt[scale]; - if(0) - logerror("prg_lfo_w %02x freq=%5.2f phase=%6.4f\n", adr, step * 44100.0/4194304, (data >> 8)/256.0); + m_meg->lfo_w((offset >> 6)*2 + sel, data); } diff --git a/src/devices/sound/swp30.h b/src/devices/sound/swp30.h index 56e24b453f0..dd95a8dd85f 100644 --- a/src/devices/sound/swp30.h +++ b/src/devices/sound/swp30.h @@ -8,6 +8,8 @@ #pragma once +#include "meg.h" + class swp30_device : public device_t, public device_sound_interface, public device_rom_interface { public: @@ -20,8 +22,11 @@ protected: virtual void device_reset() override; virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override; virtual void rom_bank_updated() override; + virtual void device_add_mconfig(machine_config &config) override; private: + required_device m_meg; + sound_stream *m_stream; s32 m_sample_increment[0x4000]; @@ -99,8 +104,8 @@ private: // MEG registers template u16 prg_fp_r(offs_t offset); template void prg_fp_w(offs_t offset, u16 data); - template u16 prg_int_r(offs_t offset); - template void prg_int_w(offs_t offset, u16 data); + template u16 prg_off_r(offs_t offset); + template void prg_off_w(offs_t offset, u16 data); template u16 prg_lfo_r(offs_t offset); template void prg_lfo_w(offs_t offset, u16 data); diff --git a/src/mame/drivers/ymmu100.cpp b/src/mame/drivers/ymmu100.cpp index 4d89242b061..e45ccbb1b06 100644 --- a/src/mame/drivers/ymmu100.cpp +++ b/src/mame/drivers/ymmu100.cpp @@ -136,6 +136,7 @@ #include "cpu/h8/h8s2655.h" #include "video/hd44780.h" #include "sound/swp30.h" +#include "sound/meg.h" #include "debugger.h" #include "screen.h" @@ -199,6 +200,7 @@ public: , m_mu80cpu(*this, "mu80cpu") , m_vl70cpu(*this, "vl70cpu") , m_swp30(*this, "swp30") + , m_meg(*this, "meg") , m_lcd(*this, "lcd") , m_ioport_p7(*this, "P7") , m_ioport_p8(*this, "P8") @@ -316,6 +318,7 @@ private: optional_device m_mu80cpu; optional_device m_vl70cpu; optional_device m_swp30; + optional_device m_meg; required_device m_lcd; optional_ioport m_ioport_p7; optional_ioport m_ioport_p8; @@ -597,12 +600,14 @@ void mu100_state::mu80_map(address_map &map) { map(0x000000, 0x07ffff).rom().region("mu80cpu", 0); map(0x200000, 0x20ffff).ram(); // 64K work RAM + map(0x440000, 0x44001f).m(m_meg, FUNC(meg_device::map)); } void mu100_state::vl70_map(address_map &map) { map(0x000000, 0x1fffff).rom().region("vl70cpu", 0); map(0x200000, 0x20ffff).ram(); // 64K work RAM + map(0x600000, 0x60001f).m(m_meg, FUNC(meg_device::map)); } void mu100_state::mu100_map(address_map &map) @@ -991,6 +996,8 @@ void mu100_state::mu80(machine_config &config) m_swp30->add_route(0, "lspeaker", 1.0); m_swp30->add_route(1, "rspeaker", 1.0); + MEG(config, m_meg); + auto &mdin_a(MIDI_PORT(config, "mdin_a")); midiin_slot(mdin_a); mdin_a.rxd_handler().set("mu80cpu:sci1", FUNC(h8_sci_device::rx_w)); @@ -1023,6 +1030,8 @@ void mu100_state::vl70(machine_config &config) SPEAKER(config, "lspeaker").front_left(); SPEAKER(config, "rspeaker").front_right(); + MEG(config, m_meg); + auto &mdin_a(MIDI_PORT(config, "mdin_a")); midiin_slot(mdin_a); mdin_a.rxd_handler().set("vl70cpu:sci1", FUNC(h8_sci_device::rx_w));