diff options
Diffstat (limited to 'src/devices/cpu/sm510/sm530core.cpp')
-rw-r--r-- | src/devices/cpu/sm510/sm530core.cpp | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/src/devices/cpu/sm510/sm530core.cpp b/src/devices/cpu/sm510/sm530core.cpp deleted file mode 100644 index 3d3a424ad90..00000000000 --- a/src/devices/cpu/sm510/sm530core.cpp +++ /dev/null @@ -1,176 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:hap -/* - - Sharp SM530 MCU core implementation - - TODO: - - almost everything - -*/ - -#include "emu.h" -#include "sm530.h" -#include "sm510d.h" -#include "debugger.h" - - -// MCU types -DEFINE_DEVICE_TYPE(SM530, sm530_device, "sm530", "Sharp SM530") // x -DEFINE_DEVICE_TYPE(SM531, sm531_device, "sm531", "Sharp SM531") // x - - -// internal memory maps -void sm530_device::program_2k(address_map &map) -{ - map(0x000, 0x7ff).rom(); -} - -void sm530_device::data_64_24x4(address_map &map) -{ - map(0x00, 0x3f).ram(); - map(0x40, 0x4b).mirror(0x20).ram().share("lcd_ram_a"); - map(0x50, 0x5b).mirror(0x20).ram().share("lcd_ram_b"); -} - - -// disasm -std::unique_ptr<util::disasm_interface> sm530_device::create_disassembler() -{ - return std::make_unique<sm530_disassembler>(); -} - - -// device definitions -sm530_device::sm530_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) : - sm530_device(mconfig, SM530, tag, owner, clock, 1 /* stack levels */, 11 /* prg width */, address_map_constructor(FUNC(sm530_device::program_2k), this), 7 /* data width */, address_map_constructor(FUNC(sm530_device::data_64_24x4), this)) -{ } - -sm530_device::sm530_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) : - sm511_device(mconfig, type, tag, owner, clock, stack_levels, prgwidth, program, datawidth, data) -{ } - -sm531_device::sm531_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) : - sm530_device(mconfig, SM531, tag, owner, clock, 1, 11, address_map_constructor(FUNC(sm531_device::program_2k), this), 7, address_map_constructor(FUNC(sm531_device::data_64_24x4), this)) -{ } - - - -//------------------------------------------------- -// device_start - device-specific startup -//------------------------------------------------- - -void sm530_device::device_start() -{ - // common init - sm511_device::device_start(); -} - - - -//------------------------------------------------- -// device_reset - device-specific reset -//------------------------------------------------- - -void sm530_device::device_reset() -{ - // common reset - sm511_device::device_reset(); -} - - - -//------------------------------------------------- -// execute -//------------------------------------------------- - -void sm530_device::get_opcode_param() -{ - // LBL, PRE, TL opcodes are 2 bytes - if (m_op == 0x6b || m_op == 0x78 || ((m_op & 0xf8) == 0x60)) - { - m_icount--; - m_param = m_program->read_byte(m_pc); - increment_pc(); - } -} - -void sm530_device::execute_one() -{ - switch (m_op & 0xf0) - { - case 0x00: op_adx(); break; - case 0x10: op_lax(); break; - case 0x30: op_lb(); break; - - case 0x80: case 0x90: case 0xa0: case 0xb0: - op_t(); break; // TR - case 0xc0: case 0xd0: case 0xe0: case 0xf0: - op_trs(); break; - - default: - switch (m_op & 0xfc) - { - case 0x20: op_lda(); break; - case 0x24: op_exc(); break; - case 0x28: op_exci(); break; - case 0x2c: op_excd(); break; - case 0x40: op_rm(); break; - case 0x44: op_sm(); break; - case 0x48: op_tmi(); break; // TM - case 0x60: case 0x64: op_tl(); break; - //case 0x6c: op_tg(); break; - - default: - switch (m_op) - { - case 0x4c: op_incb(); break; - case 0x4d: op_decb(); break; - //case 0x4e: op_rds(); break; - //case 0x4f: op_sds(); break; - - case 0x50: op_kta(); break; - //case 0x51: op_keta(); break; - //case 0x52: op_dta(); break; - case 0x53: op_coma(); break; - case 0x54: op_add(); break; - case 0x55: op_add11(); break; // ADDC - case 0x56: op_rc(); break; - case 0x57: op_sc(); break; - case 0x58: op_tabl(); break; - case 0x59: op_tam(); break; - case 0x5a: op_exbla(); break; // EXBL - case 0x5b: op_tc(); break; - //case 0x5c: op_ats(); break; - //case 0x5d: op_atf(); break; - case 0x5e: op_atbp(); break; - - case 0x68: op_rtn0(); break; // RTN - case 0x69: op_rtn1(); break; // RTNS - case 0x6a: op_atpl(); break; - case 0x6b: op_lbl(); break; - - //case 0x70: op_idiv(); break; - //case 0x71: op_inis(); break; - case 0x72: op_sbm(); break; // SABM - case 0x73: op_sbl(); break; // SABL - case 0x74: op_cend(); break; - case 0x75: op_tmel(); break; - case 0x76: op_rme(); break; - case 0x77: op_sme(); break; - case 0x78: op_pre(); break; - case 0x79: op_tal(); break; // TBA - - default: op_illegal(); break; - } - break; // 0xff - - } - break; // 0xfc - - } // big switch - - // SABL/SABM is only valid for 1 step - m_sbl = (m_op == 0x73); - m_sbm = (m_op == 0x72); -} |