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-rw-r--r--src/devices/cpu/sm510/sm511core.cpp269
1 files changed, 0 insertions, 269 deletions
diff --git a/src/devices/cpu/sm510/sm511core.cpp b/src/devices/cpu/sm510/sm511core.cpp
deleted file mode 100644
index c7a26de07e2..00000000000
--- a/src/devices/cpu/sm510/sm511core.cpp
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@@ -1,269 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:hap
-/*
-
- Sharp SM511 MCU core implementation
-
- TODO:
- - verify undocumented/guessed opcodes:
- * $01 is guessed as DIV to ACC transfer, unknown which bits
- * $5d is certainly CEND
- * $65 is certainly divider reset, but not sure if it behaves same as on SM510
- * $6036 and $6037 may be instruction timing? (16kHz and 8kHz), mnemonics unknown
-
-*/
-
-#include "emu.h"
-#include "sm510.h"
-#include "sm510d.h"
-#include "debugger.h"
-
-
-// MCU types
-DEFINE_DEVICE_TYPE(SM511, sm511_device, "sm511", "Sharp SM511") // 4Kx8 ROM, 128x4 RAM(32x4 for LCD), melody controller
-DEFINE_DEVICE_TYPE(SM512, sm512_device, "sm512", "Sharp SM512") // 4Kx8 ROM, 128x4 RAM(48x4 for LCD), melody controller
-
-
-// internal memory maps
-void sm511_device::program_4k(address_map &map)
-{
- map(0x0000, 0x0fff).rom();
-}
-
-void sm511_device::data_96_32x4(address_map &map)
-{
- map(0x00, 0x5f).ram();
- map(0x60, 0x6f).ram().share("lcd_ram_a");
- map(0x70, 0x7f).ram().share("lcd_ram_b");
-}
-
-void sm512_device::data_80_48x4(address_map &map)
-{
- map(0x00, 0x4f).ram();
- map(0x50, 0x5f).ram().share("lcd_ram_c");
- map(0x60, 0x6f).ram().share("lcd_ram_a");
- map(0x70, 0x7f).ram().share("lcd_ram_b");
-}
-
-
-// disasm
-std::unique_ptr<util::disasm_interface> sm511_device::create_disassembler()
-{
- return std::make_unique<sm511_disassembler>();
-}
-
-
-// device definitions
-sm511_device::sm511_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
- sm511_device(mconfig, SM511, tag, owner, clock, 2 /* stack levels */, 12 /* prg width */, address_map_constructor(FUNC(sm511_device::program_4k), this), 7 /* data width */, address_map_constructor(FUNC(sm511_device::data_96_32x4), this))
-{ }
-
-sm511_device::sm511_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock, int stack_levels, int prgwidth, address_map_constructor program, int datawidth, address_map_constructor data) :
- sm510_base_device(mconfig, type, tag, owner, clock, stack_levels, prgwidth, program, datawidth, data)
-{ }
-
-sm512_device::sm512_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
- sm511_device(mconfig, SM512, tag, owner, clock, 2, 12, address_map_constructor(FUNC(sm512_device::program_4k), this), 7, address_map_constructor(FUNC(sm512_device::data_80_48x4), this))
-{ }
-
-
-
-//-------------------------------------------------
-// device_reset - device-specific reset
-//-------------------------------------------------
-
-void sm511_device::device_reset()
-{
- sm510_base_device::device_reset();
-
- m_melody_rd &= ~1;
- m_clk_div = 4; // 8kHz
- notify_clock_changed();
-}
-
-
-
-//-------------------------------------------------
-// melody controller
-//-------------------------------------------------
-
-void sm511_device::clock_melody()
-{
- if (!m_melody_rom)
- return;
-
- // tone cycle table (SM511/SM512 datasheet fig.5)
- // cmd 0 = rest, 1 = stop, > 13 = illegal(inactive?)
- static const u8 lut_tone_cycles[4*16] =
- {
- 0, 0, 7, 8, 8, 9, 9, 10,11,11,12,13,14,14, 0, 0,
- 0, 0, 8, 8, 9, 9, 10,11,11,12,13,13,14,15, 0, 0,
- 0, 0, 8, 8, 9, 9, 10,10,11,12,12,13,14,15, 0, 0,
- 0, 0, 8, 9, 9, 10,10,11,11,12,13,14,14,15, 0, 0,
- };
-
- u8 cmd = m_melody_rom[m_melody_address] & 0x3f;
- u8 out = 0;
-
- // clock duty cycle if tone is active
- if ((cmd & 0xf) >= 2 && (cmd & 0xf) <= 13)
- {
- out = m_melody_duty_index & m_melody_rd & 1;
- m_melody_duty_count++;
- int index = m_melody_duty_index << 4 | (cmd & 0xf);
- int shift = ~cmd >> 4 & 1; // OCT
-
- if (m_melody_duty_count >= (lut_tone_cycles[index] << shift))
- {
- m_melody_duty_count = 0;
- m_melody_duty_index = (m_melody_duty_index + 1) & 3;
- }
- }
- else if ((cmd & 0xf) == 1)
- {
- // set melody stop flag
- m_melody_rd |= 2;
- }
-
- // clock time base on F8(d7)
- if ((m_div & 0x7f) == 0)
- {
- u8 mask = (cmd & 0x20) ? 0x1f : 0x0f;
- m_melody_step_count = (m_melody_step_count + 1) & mask;
-
- if (m_melody_step_count == 0)
- m_melody_address++;
- }
-
- // output to R pin
- if (out != m_r_out)
- {
- m_write_r(0, out, 0xff);
- m_r_out = out;
- }
-}
-
-void sm511_device::init_melody()
-{
- if (!m_melody_rom)
- return;
-
- // verify melody rom
- for (int i = 0; i < 0x100; i++)
- {
- u8 data = m_melody_rom[i];
- if (data & 0xc0 || (data & 0x0f) > 13)
- logerror("%s unknown melody ROM data $%02X at $%02X\n", tag(), data, i);
- }
-}
-
-
-
-//-------------------------------------------------
-// execute
-//-------------------------------------------------
-
-void sm511_device::get_opcode_param()
-{
- // LBL, PRE, TL, TML and prefix opcodes are 2 bytes
- if ((m_op >= 0x5f && m_op <= 0x61) || (m_op & 0xf0) == 0x70 || (m_op & 0xfc) == 0x68)
- {
- m_icount--;
- m_param = m_program->read_byte(m_pc);
- increment_pc();
- }
-}
-
-void sm511_device::execute_one()
-{
- switch (m_op & 0xf0)
- {
- case 0x20: op_lax(); break;
- case 0x30: op_adx(); break;
- case 0x40: op_lb(); break;
- case 0x70: op_tl(); break;
-
- case 0x80: case 0x90: case 0xa0: case 0xb0:
- op_t(); break;
- case 0xc0: case 0xd0: case 0xe0: case 0xf0:
- op_tm(); break;
-
- default:
- switch (m_op & 0xfc)
- {
- case 0x04: op_rm(); break;
- case 0x0c: op_sm(); break;
- case 0x10: op_exc(); break;
- case 0x14: op_exci(); break;
- case 0x18: op_lda(); break;
- case 0x1c: op_excd(); break;
- case 0x54: op_tmi(); break;
- case 0x68: op_tml(); break;
-
- default:
- switch (m_op)
- {
- case 0x00: op_rot(); break;
- case 0x01: op_dta(); break;
- case 0x02: op_sbm(); break;
- case 0x03: op_atpl(); break;
- case 0x08: op_add(); break;
- case 0x09: op_add11(); break;
- case 0x0a: op_coma(); break;
- case 0x0b: op_exbla(); break;
-
- case 0x50: op_kta(); break;
- case 0x51: op_tb(); break;
- case 0x52: op_tc(); break;
- case 0x53: op_tam(); break;
- case 0x58: op_tis(); break;
- case 0x59: op_atl(); break;
- case 0x5a: op_ta0(); break;
- case 0x5b: op_tabl(); break;
- case 0x5c: op_atx(); break;
- case 0x5d: op_cend(); break;
- case 0x5e: op_tal(); break;
- case 0x5f: op_lbl(); break;
-
- case 0x61: op_pre(); break;
- case 0x62: op_wr(); break;
- case 0x63: op_ws(); break;
- case 0x64: op_incb(); break;
- case 0x65: op_dr(); break;
- case 0x66: op_rc(); break;
- case 0x67: op_sc(); break;
- case 0x6c: op_decb(); break;
- case 0x6d: op_ptw(); break;
- case 0x6e: op_rtn0(); break;
- case 0x6f: op_rtn1(); break;
-
- // extended opcodes
- case 0x60:
- m_op = m_op << 8 | m_param;
- switch (m_param)
- {
- case 0x30: op_rme(); break;
- case 0x31: op_sme(); break;
- case 0x32: op_tmel(); break;
- case 0x33: op_atfc(); break;
- case 0x34: op_bdc(); break;
- case 0x35: op_atbp(); break;
- case 0x36: op_clkhi(); break;
- case 0x37: op_clklo(); break;
-
- default: op_illegal(); break;
- }
- break; // 0x60
-
- default: op_illegal(); break;
- }
- break; // 0xff
-
- }
- break; // 0xfc
-
- } // big switch
-
- // BM high bit is only valid for 1 step
- m_sbm = (m_op == 0x02);
-}