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// license:BSD-3-Clause
// copyright-holders:hap, Couriersud
/**********************************************************************************************
Texas Instruments TMS6100 Voice Synthesis Memory (VSM)
***********************************************************************************************/
#ifndef MAME_MACHINE_TMS6100_H
#define MAME_MACHINE_TMS6100_H
#pragma once
// pinout reference
/*
TMS6100:
+-----------------+
VDD | 1 28 | NC
NC | 2 27 | NC
DATA/ADD1 | 3 26 | NC
DATA/ADD2 | 4 25 | NC
DATA/ADD4 | 5 24 | NC
DATA/ADD8 | 6 23 | NC
CLK | 7 22 | NC
NC | 8 21 | NC
NC | 9 20 | NC
M0 | 10 19 | NC
M1 | 11 18 | NC
NC | 12 17 | NC
/CS | 13 16 | NC
VSS | 14 15 | NC
+-----------------+
TMS6125: two types known
+---------+ +---------+
DATA/ADD1 | 1 16 | NC DATA/ADD1 | 1 16 | NC
DATA/ADD2 | 2 15 | NC DATA/ADD2 | 2 15 | NC
DATA/ADD4 | 3 14 | NC DATA/ADD4 | 3 14 | NC
RCK | 4 13 | NC DATA/ADD8 | 4 13 | NC
CLK | 5 12 | VDD CLK | 5 12 | VDD
DATA/ADD8 | 6 11 | CS NC | 6 11 | /CS
NC | 7 10 | M1 NC | 7 10 | M1
M0 | 8 9 | VSS M0 | 8 9 | VSS
+---------+ +---------+
Mitsubishi M58819S EPROM Interface:
It is a clone of TMS6100, but external EPROM instead
+-----------------+
AD0 | 1 40 | AD1
VDDl | 2 39 | AD2
VDD | 3 38 | AD3
A0 | 4 37 | NC
NC | 5 36 | AD4
NC | 6 35 | AD5
A1 | 7 34 | AD6
A2 | 8 33 | AD7
A3/Q | 9 32 | AD8
CLK | 10 31 | AD9
POW | 11 30 | AD10
SL | 12 29 | AD11
C0 | 13 28 | AD12
C1 | 14 27 | AD13
NC | 15 26 | D7
NC | 16 25 | NC
VSS | 17 24 | D6
D0 | 18 23 | D5
D1 | 19 22 | D4
D2 | 20 21 | D3
+-----------------+
*/
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class tms6100_device : public device_t
{
public:
tms6100_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
// 4-bit mode (mask option)
// note: in 4-bit mode, use data_r, otherwise use data_line_r
void enable_4bit_mode(bool mode) { m_4bit_mode = mode; }
void m0_w(int state);
void m1_w(int state);
void rck_w(int state);
void cs_w(int state);
void clk_w(int state);
void add_w(u8 data);
u8 data_r(); // 4bit
int data_line_r();
protected:
tms6100_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, const XTAL &clock);
// device-level overrides
virtual void device_start() override;
void handle_command(u8 cmd);
// internal state
required_region_ptr<u8> m_rom;
bool m_reverse_bits;
bool m_4bit_mode;
u32 m_rommask;
u32 m_address; // internal address + chipselect
u8 m_sa; // romdata shift register
u8 m_count; // TB/LA counter (-> PLA)
u8 m_prev_cmd; // previous handled command
u8 m_prev_m; // previous valid m0/m1 state
u8 m_add; // ADD/DATA pins input
u8 m_data; // ADD/DATA pins output
int m_m0;
int m_m1;
int m_cs; // chipselect pin
int m_clk; // CLK pin
int m_rck; // RCK pin (mask/gate to CLK?)
};
class m58819_device : public tms6100_device
{
public:
m58819_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// device-level overrides
virtual void device_start() override;
};
DECLARE_DEVICE_TYPE(TMS6100, tms6100_device)
DECLARE_DEVICE_TYPE(M58819, m58819_device)
#endif // MAME_MACHINE_TMS6100_H
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