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Diffstat (limited to 'src/devices/cpu/sm510/sm510core.cpp')
-rw-r--r--src/devices/cpu/sm510/sm510core.cpp176
1 files changed, 0 insertions, 176 deletions
diff --git a/src/devices/cpu/sm510/sm510core.cpp b/src/devices/cpu/sm510/sm510core.cpp
deleted file mode 100644
index 80ab6bf6ab3..00000000000
--- a/src/devices/cpu/sm510/sm510core.cpp
+++ /dev/null
@@ -1,176 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:hap
-/*
-
- Sharp SM510 MCU core implementation
-
- TODO:
- - X
-
-*/
-
-#include "emu.h"
-#include "sm510.h"
-#include "sm510d.h"
-#include "debugger.h"
-
-
-// MCU types
-DEFINE_DEVICE_TYPE(SM510, sm510_device, "sm510", "Sharp SM510") // 2.7Kx8 ROM, 128x4 RAM(32x4 for LCD)
-
-
-// internal memory maps
-void sm510_device::program_2_7k(address_map &map)
-{
- map(0x0000, 0x02bf).rom();
- map(0x0400, 0x06bf).rom();
- map(0x0800, 0x0abf).rom();
- map(0x0c00, 0x0ebf).rom();
-}
-
-void sm510_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");
-}
-
-
-// device definitions
-sm510_device::sm510_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
- sm510_base_device(mconfig, SM510, tag, owner, clock, 2 /* stack levels */, 12 /* prg width */, address_map_constructor(FUNC(sm510_device::program_2_7k), this), 7 /* data width */, address_map_constructor(FUNC(sm510_device::data_96_32x4), this))
-{ }
-
-
-// disasm
-std::unique_ptr<util::disasm_interface> sm510_device::create_disassembler()
-{
- return std::make_unique<sm510_disassembler>();
-}
-
-
-
-//-------------------------------------------------
-// buzzer controller
-//-------------------------------------------------
-
-void sm510_device::clock_melody()
-{
- u8 out = 0;
-
- if (m_r_mask_option == RMASK_DIRECT)
- {
- // direct output
- out = m_r & 3;
- }
- else
- {
- // from divider, R2 inverse phase
- out = m_div >> m_r_mask_option & 1;
- out |= (out << 1 ^ 2);
- out &= m_r;
- }
-
- // output to R pins
- if (out != m_r_out)
- {
- m_write_r(0, out, 0xff);
- m_r_out = out;
- }
-}
-
-
-
-//-------------------------------------------------
-// execute
-//-------------------------------------------------
-
-void sm510_device::get_opcode_param()
-{
- // LBL, TL, TML opcodes are 2 bytes
- if (m_op == 0x5f || (m_op & 0xf0) == 0x70)
- {
- m_icount--;
- m_param = m_program->read_byte(m_pc);
- increment_pc();
- }
-}
-
-void sm510_device::execute_one()
-{
- switch (m_op & 0xf0)
- {
- case 0x20: op_lax(); break;
- case 0x30: op_adx(); break;
- case 0x40: op_lb(); 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 0x70: case 0x74: case 0x78: op_tl(); break;
- case 0x7c: op_tml(); break;
-
- default:
- switch (m_op)
- {
- case 0x00: op_skip(); break;
- case 0x01: op_atbp(); 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 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 0x5d: op_cend(); break;
- case 0x5e: op_tal(); break;
- case 0x5f: op_lbl(); break;
-
- case 0x60: op_atfc(); break;
- case 0x61: op_atr(); break;
- case 0x62: op_wr(); break;
- case 0x63: op_ws(); break;
- case 0x64: op_incb(); break;
- case 0x65: op_idiv(); break;
- case 0x66: op_rc(); break;
- case 0x67: op_sc(); break;
- case 0x68: op_tf1(); break;
- case 0x69: op_tf4(); break;
- case 0x6a: op_kta(); break;
- case 0x6b: op_rot(); break;
- case 0x6c: op_decb(); break;
- case 0x6d: op_bdc(); break;
- case 0x6e: op_rtn0(); break;
- case 0x6f: op_rtn1(); break;
-
- default: op_illegal(); break;
- }
- break; // 0xff
-
- }
- break; // 0xfc
-
- } // big switch
-
- // BM high bit is only valid for 1 step
- m_sbm = (m_op == 0x02);
-}