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-rw-r--r--.gitattributes2
-rw-r--r--src/emu/emu.mak1
-rw-r--r--src/emu/machine/eeprom.c376
-rw-r--r--src/emu/machine/eeprom.h42
4 files changed, 0 insertions, 421 deletions
diff --git a/.gitattributes b/.gitattributes
index edd4e9eea15..aa775cc26b8 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -650,8 +650,6 @@ src/emu/machine/ds2401.c svneol=native#text/plain
src/emu/machine/ds2401.h svneol=native#text/plain
src/emu/machine/ds2404.c svneol=native#text/plain
src/emu/machine/ds2404.h svneol=native#text/plain
-src/emu/machine/eeprom.c svneol=native#text/plain
-src/emu/machine/eeprom.h svneol=native#text/plain
src/emu/machine/eepromdev.c svneol=native#text/plain
src/emu/machine/eepromdev.h svneol=native#text/plain
src/emu/machine/f3853.c svneol=native#text/plain
diff --git a/src/emu/emu.mak b/src/emu/emu.mak
index e432e0670bb..79b1d120d1c 100644
--- a/src/emu/emu.mak
+++ b/src/emu/emu.mak
@@ -132,7 +132,6 @@ EMUMACHINEOBJS = \
$(EMUMACHINE)/ds1302.o \
$(EMUMACHINE)/ds2401.o \
$(EMUMACHINE)/ds2404.o \
- $(EMUMACHINE)/eeprom.o \
$(EMUMACHINE)/eepromdev.o \
$(EMUMACHINE)/f3853.o \
$(EMUMACHINE)/generic.o \
diff --git a/src/emu/machine/eeprom.c b/src/emu/machine/eeprom.c
deleted file mode 100644
index 6df782121a4..00000000000
--- a/src/emu/machine/eeprom.c
+++ /dev/null
@@ -1,376 +0,0 @@
-#include "driver.h"
-#include "eeprom.h"
-
-#define VERBOSE 0
-#define LOG(x) do { if (VERBOSE) logerror x; } while (0)
-
-#define SERIAL_BUFFER_LENGTH 40
-#define MEMORY_SIZE 1024
-
-static const eeprom_interface *intf;
-
-static int serial_count;
-static UINT8 serial_buffer[SERIAL_BUFFER_LENGTH];
-static UINT8 eeprom_data[MEMORY_SIZE];
-static int eeprom_data_bits;
-static int eeprom_read_address;
-static int eeprom_clock_count;
-static int latch,reset_line,clock_line,sending;
-static int locked;
-static int reset_delay;
-
-/*
- eeprom_command_match:
-
- Try to match the first (len) digits in the EEPROM serial buffer
- string (*buf) with an EEPROM command string (*cmd).
- Return non zero if a match was found.
-
- The serial buffer only contains '0' or '1' (e.g. "1001").
- The command can contain: '0' or '1' or these wildcards:
-
- 'x' : match both '0' and '1'
- "*1": match "1", "01", "001", "0001" etc.
- "*0": match "0", "10", "110", "1110" etc.
-
- Note: (cmd) may be NULL. Return 0 (no match) in this case.
-*/
-static int eeprom_command_match(const char *buf, const char *cmd, int len)
-{
- if ( cmd == 0 ) return 0;
- if ( len == 0 ) return 0;
-
- for (;len>0;)
- {
- char b = *buf;
- char c = *cmd;
-
- if ((b==0) || (c==0))
- return (b==c);
-
- switch ( c )
- {
- case '0':
- case '1':
- if (b != c) return 0;
- case 'X':
- case 'x':
- buf++;
- len--;
- cmd++;
- break;
-
- case '*':
- c = cmd[1];
- switch( c )
- {
- case '0':
- case '1':
- if (b == c) { cmd++; }
- else { buf++; len--; }
- break;
- default: return 0;
- }
- }
- }
- return (*cmd==0);
-}
-
-
-const eeprom_interface eeprom_interface_93C46 =
-{
- 6, // address bits 6
- 16, // data bits 16
- "*110", // read 1 10 aaaaaa
- "*101", // write 1 01 aaaaaa dddddddddddddddd
- "*111", // erase 1 11 aaaaaa
- "*10000xxxx", // lock 1 00 00xxxx
- "*10011xxxx", // unlock 1 00 11xxxx
- 1,
-// "*10001xxxx" // write all 1 00 01xxxx dddddddddddddddd
-// "*10010xxxx" // erase all 1 00 10xxxx
-};
-
-const eeprom_interface eeprom_interface_93C66B =
-{
- 8, /* address bits */
- 16, /* data bits */
- "*110", /* read command */
- "*101", /* write command */
- "*111", /* erase command */
- "*10000xxxxxx", /* lock command */
- "*10011xxxxxx", /* unlock command */
- 1,
-// "*10001xxxxxx", /* write all */
-// "*10010xxxxxx", /* erase all */
-};
-
-NVRAM_HANDLER( 93C46 )
-{
- if (read_or_write)
- eeprom_save(file);
- else
- {
- eeprom_init(machine, &eeprom_interface_93C46);
- if (file) eeprom_load(file);
- }
-}
-
-NVRAM_HANDLER( 93C66B )
-{
- if (read_or_write)
- eeprom_save(file);
- else
- {
- eeprom_init(machine, &eeprom_interface_93C66B);
- if (file) eeprom_load(file);
- }
-}
-
-void eeprom_init(running_machine *machine, const eeprom_interface *interface)
-{
- intf = interface;
-
- if ((1 << intf->address_bits) * intf->data_bits / 8 > MEMORY_SIZE)
- {
- fatalerror("EEPROM larger than eeprom.c allows");
- }
-
- memset(eeprom_data,0xff,(1 << intf->address_bits) * intf->data_bits / 8);
- serial_count = 0;
- latch = 0;
- reset_line = ASSERT_LINE;
- clock_line = ASSERT_LINE;
- eeprom_read_address = 0;
- sending = 0;
- if (intf->cmd_unlock) locked = 1;
- else locked = 0;
-
- state_save_register_global_array(machine, eeprom_data);
- state_save_register_global_array(machine, serial_buffer);
- state_save_register_global(machine, clock_line);
- state_save_register_global(machine, reset_line);
- state_save_register_global(machine, locked);
- state_save_register_global(machine, serial_count);
- state_save_register_global(machine, latch);
- state_save_register_global(machine, reset_delay);
- state_save_register_global(machine, eeprom_clock_count);
- state_save_register_global(machine, eeprom_data_bits);
- state_save_register_global(machine, eeprom_read_address);
-}
-
-static void eeprom_write(int bit)
-{
- LOG(("EEPROM write bit %d\n",bit));
-
- if (serial_count >= SERIAL_BUFFER_LENGTH-1)
- {
- logerror("error: EEPROM serial buffer overflow\n");
- return;
- }
-
- serial_buffer[serial_count++] = (bit ? '1' : '0');
- serial_buffer[serial_count] = 0; /* nul terminate so we can treat it as a string */
-
- if ( (serial_count > intf->address_bits) &&
- eeprom_command_match((char*)serial_buffer,intf->cmd_read,strlen((char*)serial_buffer)-intf->address_bits) )
- {
- int i,address;
-
- address = 0;
- for (i = serial_count-intf->address_bits;i < serial_count;i++)
- {
- address <<= 1;
- if (serial_buffer[i] == '1') address |= 1;
- }
- if (intf->data_bits == 16)
- eeprom_data_bits = (eeprom_data[2*address+0] << 8) + eeprom_data[2*address+1];
- else
- eeprom_data_bits = eeprom_data[address];
- eeprom_read_address = address;
- eeprom_clock_count = 0;
- sending = 1;
- serial_count = 0;
-logerror("EEPROM read %04x from address %02x\n",eeprom_data_bits,address);
- }
- else if ( (serial_count > intf->address_bits) &&
- eeprom_command_match((char*)serial_buffer,intf->cmd_erase,strlen((char*)serial_buffer)-intf->address_bits) )
- {
- int i,address;
-
- address = 0;
- for (i = serial_count-intf->address_bits;i < serial_count;i++)
- {
- address <<= 1;
- if (serial_buffer[i] == '1') address |= 1;
- }
-logerror("EEPROM erase address %02x\n",address);
- if (locked == 0)
- {
- if (intf->data_bits == 16)
- {
- eeprom_data[2*address+0] = 0xff;
- eeprom_data[2*address+1] = 0xff;
- }
- else
- eeprom_data[address] = 0xff;
- }
- else
-logerror("Error: EEPROM is locked\n");
- serial_count = 0;
- }
- else if ( (serial_count > (intf->address_bits + intf->data_bits)) &&
- eeprom_command_match((char*)serial_buffer,intf->cmd_write,strlen((char*)serial_buffer)-(intf->address_bits + intf->data_bits)) )
- {
- int i,address,data;
-
- address = 0;
- for (i = serial_count-intf->data_bits-intf->address_bits;i < (serial_count-intf->data_bits);i++)
- {
- address <<= 1;
- if (serial_buffer[i] == '1') address |= 1;
- }
- data = 0;
- for (i = serial_count-intf->data_bits;i < serial_count;i++)
- {
- data <<= 1;
- if (serial_buffer[i] == '1') data |= 1;
- }
-logerror("EEPROM write %04x to address %02x\n",data,address);
- if (locked == 0)
- {
- if (intf->data_bits == 16)
- {
- eeprom_data[2*address+0] = data >> 8;
- eeprom_data[2*address+1] = data & 0xff;
- }
- else
- eeprom_data[address] = data;
- }
- else
-logerror("Error: EEPROM is locked\n");
- serial_count = 0;
- }
- else if ( eeprom_command_match((char*)serial_buffer,intf->cmd_lock,strlen((char*)serial_buffer)) )
- {
-logerror("EEPROM lock\n");
- locked = 1;
- serial_count = 0;
- }
- else if ( eeprom_command_match((char*)serial_buffer,intf->cmd_unlock,strlen((char*)serial_buffer)) )
- {
-logerror("EEPROM unlock\n");
- locked = 0;
- serial_count = 0;
- }
-}
-
-static void eeprom_reset(void)
-{
-if (serial_count)
- logerror("EEPROM reset, buffer = %s\n",serial_buffer);
-
- serial_count = 0;
- sending = 0;
- reset_delay = intf->reset_delay; /* delay a little before returning setting data to 1 (needed by wbeachvl) */
-}
-
-
-void eeprom_write_bit(int bit)
-{
- LOG(("write bit %d\n",bit));
- latch = bit;
-}
-
-int eeprom_read_bit(void)
-{
- int res;
-
- if (sending)
- res = (eeprom_data_bits >> intf->data_bits) & 1;
- else
- {
- if (reset_delay > 0)
- {
- /* this is needed by wbeachvl */
- reset_delay--;
- res = 0;
- }
- else
- res = 1;
- }
-
- LOG(("read bit %d\n",res));
-
- return res;
-}
-
-CUSTOM_INPUT( eeprom_bit_r )
-{
- return eeprom_read_bit();
-}
-
-void eeprom_set_cs_line(int state)
-{
- LOG(("set reset line %d\n",state));
- reset_line = state;
-
- if (reset_line != CLEAR_LINE)
- eeprom_reset();
-}
-
-void eeprom_set_clock_line(int state)
-{
- LOG(("set clock line %d\n",state));
- if (state == PULSE_LINE || (clock_line == CLEAR_LINE && state != CLEAR_LINE))
- {
- if (reset_line == CLEAR_LINE)
- {
- if (sending)
- {
- if (eeprom_clock_count == intf->data_bits && intf->enable_multi_read)
- {
- eeprom_read_address = (eeprom_read_address + 1) & ((1 << intf->address_bits) - 1);
- if (intf->data_bits == 16)
- eeprom_data_bits = (eeprom_data[2*eeprom_read_address+0] << 8) + eeprom_data[2*eeprom_read_address+1];
- else
- eeprom_data_bits = eeprom_data[eeprom_read_address];
- eeprom_clock_count = 0;
-logerror("EEPROM read %04x from address %02x\n",eeprom_data_bits,eeprom_read_address);
- }
- eeprom_data_bits = (eeprom_data_bits << 1) | 1;
- eeprom_clock_count++;
- }
- else
- eeprom_write(latch);
- }
- }
-
- clock_line = state;
-}
-
-
-void eeprom_load(mame_file *f)
-{
- mame_fread(f,eeprom_data,(1 << intf->address_bits) * intf->data_bits / 8);
-}
-
-void eeprom_save(mame_file *f)
-{
- mame_fwrite(f,eeprom_data,(1 << intf->address_bits) * intf->data_bits / 8);
-}
-
-void eeprom_set_data(const UINT8 *data, int length)
-{
- memcpy(eeprom_data, data, length);
-}
-
-void *eeprom_get_data_pointer(UINT32 *length, UINT32 *size)
-{
- if (length != NULL && intf != NULL)
- *length = 1 << intf->address_bits;
- if (size != NULL && intf != NULL)
- *size = intf->data_bits / 8;
-
- return eeprom_data;
-}
diff --git a/src/emu/machine/eeprom.h b/src/emu/machine/eeprom.h
deleted file mode 100644
index 73adef0a92d..00000000000
--- a/src/emu/machine/eeprom.h
+++ /dev/null
@@ -1,42 +0,0 @@
-#ifndef eeprom_H
-#define eeprom_H
-
-typedef struct _eeprom_interface eeprom_interface;
-struct _eeprom_interface
-{
- int address_bits; /* EEPROM has 2^address_bits cells */
- int data_bits; /* every cell has this many bits (8 or 16) */
- const char *cmd_read; /* read command string, e.g. "0110" */
- const char *cmd_write; /* write command string, e.g. "0111" */
- const char *cmd_erase; /* erase command string, or 0 if n/a */
- const char *cmd_lock; /* lock command string, or 0 if n/a */
- const char *cmd_unlock; /* unlock command string, or 0 if n/a */
- int enable_multi_read;/* set to 1 to enable multiple values to be read from one read command */
- int reset_delay; /* number of times eeprom_read_bit() should return 0 after a reset, */
- /* before starting to return 1. */
-};
-
-
-void eeprom_init(running_machine *machine, const eeprom_interface *interface);
-
-void eeprom_write_bit(int bit);
-int eeprom_read_bit(void);
-CUSTOM_INPUT( eeprom_bit_r );
-void eeprom_set_cs_line(int state);
-void eeprom_set_clock_line(int state);
-
-void eeprom_load(mame_file *file);
-void eeprom_save(mame_file *file);
-
-void eeprom_set_data(const UINT8 *data, int length);
-void *eeprom_get_data_pointer(UINT32 *length, UINT32 *size);
-
-/* 93C46 */
-extern const eeprom_interface eeprom_interface_93C46;
-NVRAM_HANDLER( 93C46 );
-
-/* 93C66B */
-extern const eeprom_interface eeprom_interface_93C66B;
-NVRAM_HANDLER( 93C66B );
-
-#endif