summaryrefslogtreecommitdiffstatshomepage
path: root/src/mess/machine/smartmed.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mess/machine/smartmed.c')
-rw-r--r--src/mess/machine/smartmed.c791
1 files changed, 0 insertions, 791 deletions
diff --git a/src/mess/machine/smartmed.c b/src/mess/machine/smartmed.c
deleted file mode 100644
index 32e9c53bcaa..00000000000
--- a/src/mess/machine/smartmed.c
+++ /dev/null
@@ -1,791 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Raphael Nabet
-/*
- smartmed.c: SmartMedia Flash ROM emulation
-
- The SmartMedia is a Flash ROM in a fancy card. It is used in a variety of
- digital devices (still cameras...) and can be interfaced with a computer.
-
- References:
- Datasheets for various SmartMedia chips were found on Samsung and Toshiba's
- sites (http://www.toshiba.com/taec and
- http://www.samsung.com/Products/Semiconductor/Flash/FlashCard/SmartMedia)
-
- TODO:
- * support multi-plane mode?
- * use HD-format images instead of our experimental custom format?
-
- Raphael Nabet 2004
-*/
-
-#include "emu.h"
-#include "smartmed.h"
-
-
-#define MAX_SMARTMEDIA 1
-
-/* machine-independent big-endian 32-bit integer */
-struct UINT32BE
-{
- UINT8 bytes[4];
-};
-
-INLINE UINT32 get_UINT32BE(UINT32BE word)
-{
- return (word.bytes[0] << 24) | (word.bytes[1] << 16) | (word.bytes[2] << 8) | word.bytes[3];
-}
-
-#ifdef UNUSED_FUNCTION
-INLINE void set_UINT32BE(UINT32BE *word, UINT32 data)
-{
- word->bytes[0] = (data >> 24) & 0xff;
- word->bytes[1] = (data >> 16) & 0xff;
- word->bytes[2] = (data >> 8) & 0xff;
- word->bytes[3] = data & 0xff;
-}
-#endif
-
-/* SmartMedia image header */
-struct SM_disk_image_header
-{
- UINT8 version;
- UINT32BE page_data_size;
- UINT32BE page_total_size;
- UINT32BE num_pages;
- UINT32BE log2_pages_per_block;
-};
-
-struct disk_image_format_2_header
-{
- UINT8 data1[3];
- UINT8 padding1[256-3];
- UINT8 data2[16];
- UINT8 data3[16];
- UINT8 padding2[768-32];
-};
-
-enum
-{
- header_len = sizeof(SM_disk_image_header)
-};
-
-
-const device_type NAND = &device_creator<nand_device>;
-
-nand_device::nand_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
- : device_t(mconfig, NAND, "NAND Flash Memory", tag, owner, clock, "nand", __FILE__),
- m_page_data_size(0),
- m_page_total_size(0),
- m_num_pages(0),
- m_log2_pages_per_block(0),
- m_pagereg(NULL),
- m_id_len(0),
- m_col_address_cycles(0),
- m_row_address_cycles(0),
- m_sequential_row_read(0),
- m_write_rnb(*this)
-{
- memset(m_id, 0, sizeof(m_id));
-}
-
-nand_device::nand_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source)
- : device_t(mconfig, type, name, tag, owner, clock, shortname, source),
- m_page_data_size(0),
- m_page_total_size(0),
- m_num_pages(0),
- m_log2_pages_per_block(0),
- m_pagereg(NULL),
- m_id_len(0),
- m_col_address_cycles(0),
- m_row_address_cycles(0),
- m_sequential_row_read(0),
- m_write_rnb(*this)
-{
- memset(m_id, 0, sizeof(m_id));
-}
-
-/*
- Init a SmartMedia image
-*/
-void nand_device::device_start()
-{
- m_data_ptr = NULL;
- m_data_uid_ptr = NULL;
- m_mode = SM_M_INIT;
- m_pointer_mode = SM_PM_A;
- m_page_addr = 0;
- m_byte_addr = 0;
- m_status = 0xC0;
- m_accumulated_status = 0;
- m_mp_opcode = 0;
- m_mode_3065 = 0;
- m_pagereg = auto_alloc_array(machine(), UINT8, m_page_total_size);
-
- #ifdef SMARTMEDIA_IMAGE_SAVE
- m_image_format = 0;
- #endif
- m_write_rnb.resolve_safe();
-}
-
-/*
- Load a SmartMedia image
-*/
-bool smartmedia_image_device::smartmedia_format_1()
-{
- SM_disk_image_header custom_header;
- int bytes_read;
-
- bytes_read = fread(&custom_header, sizeof(custom_header));
- if (bytes_read != sizeof(custom_header))
- {
- return IMAGE_INIT_FAIL;
- }
-
- if (custom_header.version > 1)
- {
- return IMAGE_INIT_FAIL;
- }
-
- m_page_data_size = get_UINT32BE(custom_header.page_data_size);
- m_page_total_size = get_UINT32BE(custom_header.page_total_size);
- m_num_pages = get_UINT32BE(custom_header.num_pages);
- m_log2_pages_per_block = get_UINT32BE(custom_header.log2_pages_per_block);
- m_data_ptr = auto_alloc_array(machine(), UINT8, m_page_total_size*m_num_pages);
- m_data_uid_ptr = auto_alloc_array(machine(), UINT8, 256 + 16);
- m_mode = SM_M_INIT;
- m_pointer_mode = SM_PM_A;
- m_page_addr = 0;
- m_byte_addr = 0;
- m_status = 0x40;
- if (!is_readonly())
- m_status |= 0x80;
- m_accumulated_status = 0;
- m_pagereg = auto_alloc_array(machine(), UINT8, m_page_total_size);
- memset( m_id, 0, sizeof( m_id));
- m_id_len = 0;
- m_col_address_cycles = 1;
- m_row_address_cycles = (m_num_pages > 0x10000) ? 3 : 2;
- m_sequential_row_read = 1;
-
- if (custom_header.version == 0)
- {
- m_id_len = 2;
- fread(m_id, m_id_len);
- fread(&m_mp_opcode, 1);
- }
- else if (custom_header.version == 1)
- {
- m_id_len = 3;
- fread(m_id, m_id_len);
- fread(&m_mp_opcode, 1);
- fread(m_data_uid_ptr, 256 + 16);
- }
- fread(m_data_ptr, m_page_total_size*m_num_pages);
-
- #ifdef SMARTMEDIA_IMAGE_SAVE
- m_image_format = 1;
- #endif
-
- return IMAGE_INIT_PASS;
-}
-
-int smartmedia_image_device::detect_geometry( UINT8 id1, UINT8 id2)
-{
- int result = FALSE;
-
- switch (id1)
- {
- case 0xEC :
- {
- switch (id2)
- {
- case 0xA4 : m_page_data_size = 0x0100; m_num_pages = 0x00800; m_page_total_size = 0x0108; m_log2_pages_per_block = 0; result = TRUE; break;
- case 0x6E : m_page_data_size = 0x0100; m_num_pages = 0x01000; m_page_total_size = 0x0108; m_log2_pages_per_block = 0; result = TRUE; break;
- case 0xEA : m_page_data_size = 0x0100; m_num_pages = 0x02000; m_page_total_size = 0x0108; m_log2_pages_per_block = 4; result = TRUE; break;
- case 0xE3 : m_page_data_size = 0x0200; m_num_pages = 0x02000; m_page_total_size = 0x0210; m_log2_pages_per_block = 4; result = TRUE; break;
- case 0xE6 : m_page_data_size = 0x0200; m_num_pages = 0x04000; m_page_total_size = 0x0210; m_log2_pages_per_block = 4; result = TRUE; break;
- case 0x73 : m_page_data_size = 0x0200; m_num_pages = 0x08000; m_page_total_size = 0x0210; m_log2_pages_per_block = 5; result = TRUE; break;
- case 0x75 : m_page_data_size = 0x0200; m_num_pages = 0x10000; m_page_total_size = 0x0210; m_log2_pages_per_block = 5; result = TRUE; break;
- case 0x76 : m_page_data_size = 0x0200; m_num_pages = 0x20000; m_page_total_size = 0x0210; m_log2_pages_per_block = 5; result = TRUE; break;
- case 0x79 : m_page_data_size = 0x0200; m_num_pages = 0x40000; m_page_total_size = 0x0210; m_log2_pages_per_block = 5; result = TRUE; break;
- }
- }
- break;
- case 0x98 :
- {
- switch (id2)
- {
- case 0x75 : m_page_data_size = 0x0200; m_num_pages = 0x10000; m_page_total_size = 0x0210; m_log2_pages_per_block = 5; result = TRUE; break;
- }
- }
- break;
- }
-
- return result;
-}
-
-bool smartmedia_image_device::smartmedia_format_2()
-{
- disk_image_format_2_header custom_header;
- int bytes_read, i, j;
-
- bytes_read = fread(&custom_header, sizeof(custom_header));
- if (bytes_read != sizeof(custom_header))
- {
- return IMAGE_INIT_FAIL;
- }
-
- if ((custom_header.data1[0] != 0xEC) && (custom_header.data1[0] != 0x98))
- {
- return IMAGE_INIT_FAIL;
- }
-
- if (!detect_geometry(custom_header.data1[0], custom_header.data1[1]))
- {
- return IMAGE_INIT_FAIL;
- }
-
- m_data_ptr = auto_alloc_array(machine(), UINT8, m_page_total_size*m_num_pages);
- m_data_uid_ptr = auto_alloc_array(machine(), UINT8, 256 + 16);
- m_mode = SM_M_INIT;
- m_pointer_mode = SM_PM_A;
- m_page_addr = 0;
- m_byte_addr = 0;
- m_status = 0x40;
- if (!is_readonly())
- m_status |= 0x80;
- m_accumulated_status = 0;
- m_pagereg = auto_alloc_array(machine(), UINT8, m_page_total_size);
- m_id_len = 3;
- memcpy( m_id, custom_header.data1, m_id_len);
- m_mp_opcode = 0;
- m_col_address_cycles = 1;
- m_row_address_cycles = (m_num_pages > 0x10000) ? 3 : 2;
- m_sequential_row_read = 1;
-
- for (i=0;i<8;i++)
- {
- memcpy( m_data_uid_ptr + i * 32, custom_header.data2, 16);
- for (j=0;j<16;j++) m_data_uid_ptr[i*32+16+j] = custom_header.data2[j] ^ 0xFF;
- }
- memcpy( m_data_uid_ptr + 256, custom_header.data3, 16);
-
- fread(m_data_ptr, m_page_total_size*m_num_pages);
-
- #ifdef SMARTMEDIA_IMAGE_SAVE
- m_image_format = 2;
- #endif
-
- return IMAGE_INIT_PASS;
-}
-
-bool smartmedia_image_device::call_load()
-{
- int result;
- UINT64 position;
- // try format 1
- position = ftell();
- result = smartmedia_format_1();
- if (result != IMAGE_INIT_PASS)
- {
- // try format 2
- fseek( position, SEEK_SET);
- result = smartmedia_format_2();
- }
- return result;
-}
-
-/*
- Unload a SmartMedia image
-*/
-void smartmedia_image_device::call_unload()
-{
- #ifdef SMARTMEDIA_IMAGE_SAVE
- if (!is_readonly())
- {
- if (m_image_format == 1)
- {
- SM_disk_image_header custom_header;
- int bytes_read;
- fseek( 0, SEEK_SET);
- bytes_read = fread( &custom_header, sizeof( custom_header));
- if (bytes_read == sizeof( custom_header))
- {
- if (custom_header.version == 0)
- {
- fseek( 2 + 1, SEEK_CUR);
- fwrite( m_data_ptr, m_page_total_size * m_num_pages);
- }
- else if (custom_header.version == 1)
- {
- fseek( 3 + 1 + 256 + 16, SEEK_CUR);
- fwrite( m_data_ptr, m_page_total_size * m_num_pages);
- }
- }
- }
- else if (m_image_format == 2)
- {
- fseek( sizeof( disk_image_format_2_header), SEEK_SET);
- fwrite( m_data_ptr, m_page_total_size * m_num_pages);
- }
- }
- #endif
-
- m_page_data_size = 0;
- m_page_total_size = 0;
- m_num_pages = 0;
- m_log2_pages_per_block = 0;
- m_data_ptr = NULL;
- m_data_uid_ptr = NULL;
- m_mode = SM_M_INIT;
- m_pointer_mode = SM_PM_A;
- m_page_addr = 0;
- m_byte_addr = 0;
- m_status = 0xC0;
- m_accumulated_status = 0;
- m_pagereg = auto_alloc_array(machine(), UINT8, m_page_total_size);
- memset( m_id, 0, sizeof( m_id));
- m_id_len = 0;
- m_mp_opcode = 0;
- m_mode_3065 = 0;
- m_col_address_cycles = 0;
- m_row_address_cycles = 0;
- m_sequential_row_read = 0;
-
- #ifdef SMARTMEDIA_IMAGE_SAVE
- m_image_format = 0;
- #endif
-
- return;
-}
-
-int nand_device::is_present()
-{
- return m_num_pages != 0;
-}
-
-int nand_device::is_protected()
-{
- return (m_status & 0x80) == 0;
-}
-
-int nand_device::is_busy()
-{
- return (m_status & 0x40) == 0;
-}
-
-void nand_device::set_data_ptr(void *ptr)
-{
- m_data_ptr = (UINT8 *)ptr;
-}
-
-/*
- write a byte to SmartMedia command port
-*/
-void nand_device::command_w(UINT8 data)
-{
- if (!is_present())
- return;
-
- switch (data)
- {
- case 0xff: // Reset
- m_mode = SM_M_INIT;
- m_pointer_mode = SM_PM_A;
- m_status = (m_status & 0x80) | 0x40;
- m_accumulated_status = 0;
- m_mode_3065 = 0;
- if (!m_write_rnb.isnull())
- {
- m_write_rnb( 0);
- m_write_rnb( 1);
- }
- break;
- case 0x00: // Read (1st cycle)
- m_mode = SM_M_READ;
- m_pointer_mode = SM_PM_A;
- m_page_addr = 0;
- m_addr_load_ptr = 0;
- break;
- case 0x01:
- if (m_page_data_size != 512)
- {
- logerror("smartmedia: unsupported upper data field select (256-byte pages)\n");
- m_mode = SM_M_INIT;
- }
- else
- {
- m_mode = SM_M_READ;
- m_pointer_mode = SM_PM_B;
- m_page_addr = 0;
- m_addr_load_ptr = 0;
- }
- break;
- case 0x50:
- if (m_page_data_size > 512)
- {
- logerror("smartmedia: unsupported spare area select\n");
- m_mode = SM_M_INIT;
- }
- else
- {
- m_mode = SM_M_READ;
- m_pointer_mode = SM_PM_C;
- m_page_addr = 0;
- m_addr_load_ptr = 0;
- }
- break;
- case 0x80: // Page Program (1st cycle)
- m_mode = SM_M_PROGRAM;
- m_page_addr = 0;
- m_addr_load_ptr = 0;
- m_program_byte_count = 0;
- memset(m_pagereg, 0xff, m_page_total_size);
- break;
- case 0x10: // Page Program (2nd cycle)
- case 0x15:
- if ((m_mode != SM_M_PROGRAM) && (m_mode != SM_M_RANDOM_DATA_INPUT))
- {
- logerror("smartmedia: illegal page program confirm command\n");
- m_mode = SM_M_INIT;
- }
- else
- {
- int i;
- m_status = (m_status & 0x80) | m_accumulated_status;
- //logerror( "smartmedia: program, page_addr %08X\n", m_page_addr);
- for (i=0; i<m_page_total_size; i++)
- m_data_ptr[m_page_addr*m_page_total_size + i] &= m_pagereg[i];
- m_status |= 0x40;
- if (data == 0x15)
- m_accumulated_status = m_status & 0x1f;
- else
- m_accumulated_status = 0;
- m_mode = SM_M_INIT;
- if (!m_write_rnb.isnull())
- {
- m_write_rnb( 0);
- m_write_rnb( 1);
- }
- }
- break;
- /*case 0x11:
- break;*/
- case 0x60: // Block Erase (1st cycle)
- m_mode = SM_M_ERASE;
- m_page_addr = 0;
- m_addr_load_ptr = 0;
- break;
- case 0xd0: // Block Erase (2nd cycle)
- if (m_mode != SM_M_ERASE)
- {
- logerror("smartmedia: illegal block erase confirm command\n");
- m_mode = SM_M_INIT;
- }
- else
- {
- m_status &= 0x80;
- memset(m_data_ptr + ((m_page_addr & (-1 << m_log2_pages_per_block)) * m_page_total_size), 0xFF, (size_t)(1 << m_log2_pages_per_block) * m_page_total_size);
- //logerror( "smartmedia: erase, page_addr %08X, offset %08X, length %08X\n", m_page_addr, (m_page_addr & (-1 << m_log2_pages_per_block)) * m_page_total_size, (1 << m_log2_pages_per_block) * m_page_total_size);
- m_status |= 0x40;
- m_mode = SM_M_INIT;
- if (m_pointer_mode == SM_PM_B)
- m_pointer_mode = SM_PM_A;
- if (!m_write_rnb.isnull())
- {
- m_write_rnb( 0);
- m_write_rnb( 1);
- }
- }
- break;
- case 0x70: // Read Status
- m_mode = SM_M_READSTATUS;
- break;
- /*case 0x71:
- break;*/
- case 0x90: // Read ID
- m_mode = SM_M_READID;
- m_addr_load_ptr = 0;
- break;
- /*case 0x91:
- break;*/
- case 0x30: // Read (2nd cycle)
- if (m_col_address_cycles == 1)
- {
- m_mode = SM_M_30;
- }
- else
- {
- if (m_mode != SM_M_READ)
- {
- logerror("smartmedia: illegal read 2nd cycle command\n");
- m_mode = SM_M_INIT;
- }
- else if (m_addr_load_ptr < (m_col_address_cycles + m_row_address_cycles))
- {
- logerror("smartmedia: read 2nd cycle, not enough address cycles (actual: %d, expected: %d)\n", m_addr_load_ptr, m_col_address_cycles + m_row_address_cycles);
- m_mode = SM_M_INIT;
- }
- else
- {
- if (!m_write_rnb.isnull())
- {
- m_write_rnb( 0);
- m_write_rnb( 1);
- }
- }
- }
- break;
- case 0x65:
- if (m_mode != SM_M_30)
- {
- logerror("smartmedia: unexpected address port write\n");
- m_mode = SM_M_INIT;
- }
- else
- {
- m_mode_3065 = 1;
- }
- break;
- case 0x05: // Random Data Output (1st cycle)
- if ((m_mode != SM_M_READ) && (m_mode != SM_M_RANDOM_DATA_OUTPUT))
- {
- logerror("smartmedia: illegal random data output command\n");
- m_mode = SM_M_INIT;
- }
- else
- {
- m_mode = SM_M_RANDOM_DATA_OUTPUT;
- m_addr_load_ptr = 0;
- }
- break;
- case 0xE0: // Random Data Output (2nd cycle)
- if (m_mode != SM_M_RANDOM_DATA_OUTPUT)
- {
- logerror("smartmedia: illegal random data output confirm command\n");
- m_mode = SM_M_INIT;
- }
- else
- {
- // do nothing
- }
- break;
- case 0x85: // Random Data Input
- if ((m_mode != SM_M_PROGRAM) && (m_mode != SM_M_RANDOM_DATA_INPUT))
- {
- logerror("smartmedia: illegal random data input command\n");
- m_mode = SM_M_INIT;
- }
- else
- {
- m_mode = SM_M_RANDOM_DATA_INPUT;
- m_addr_load_ptr = 0;
- m_program_byte_count = 0;
- }
- break;
- default:
- logerror("smartmedia: unsupported command 0x%02x\n", data);
- m_mode = SM_M_INIT;
- break;
- }
-}
-
-/*
- write a byte to SmartMedia address port
-*/
-void nand_device::address_w(UINT8 data)
-{
- if (!is_present())
- return;
-
- switch (m_mode)
- {
- case SM_M_INIT:
- logerror("smartmedia: unexpected address port write\n");
- break;
- case SM_M_READ:
- case SM_M_PROGRAM:
- if ((m_addr_load_ptr == 0) && (m_col_address_cycles == 1))
- {
- switch (m_pointer_mode)
- {
- case SM_PM_A:
- m_byte_addr = data;
- break;
- case SM_PM_B:
- m_byte_addr = data + 256;
- m_pointer_mode = SM_PM_A;
- break;
- case SM_PM_C:
- if (!m_mode_3065)
- m_byte_addr = (data & 0x0f) + m_page_data_size;
- else
- m_byte_addr = (data & 0x0f) + 256;
- break;
- }
- }
- else
- {
- if (m_addr_load_ptr < m_col_address_cycles)
- {
- m_byte_addr &= ~(0xFF << (m_addr_load_ptr * 8));
- m_byte_addr |= (data << (m_addr_load_ptr * 8));
- }
- else if (m_addr_load_ptr < m_col_address_cycles + m_row_address_cycles)
- {
- m_page_addr &= ~(0xFF << ((m_addr_load_ptr - m_col_address_cycles) * 8));
- m_page_addr |= (data << ((m_addr_load_ptr - m_col_address_cycles) * 8));
- }
- }
- m_addr_load_ptr++;
- break;
- case SM_M_ERASE:
- if (m_addr_load_ptr < m_row_address_cycles)
- {
- m_page_addr &= ~(0xFF << (m_addr_load_ptr * 8));
- m_page_addr |= (data << (m_addr_load_ptr * 8));
- }
- m_addr_load_ptr++;
- break;
- case SM_M_RANDOM_DATA_INPUT:
- case SM_M_RANDOM_DATA_OUTPUT:
- if (m_addr_load_ptr < m_col_address_cycles)
- {
- m_byte_addr &= ~(0xFF << (m_addr_load_ptr * 8));
- m_byte_addr |= (data << (m_addr_load_ptr * 8));
- }
- m_addr_load_ptr++;
- break;
- case SM_M_READSTATUS:
- case SM_M_30:
- logerror("smartmedia: unexpected address port write\n");
- break;
- case SM_M_READID:
- if (m_addr_load_ptr == 0)
- m_byte_addr = data;
- m_addr_load_ptr++;
- break;
- }
-}
-
-/*
- read a byte from SmartMedia data port
-*/
-UINT8 nand_device::data_r()
-{
- UINT8 reply = 0;
- if (!is_present())
- return 0;
-
- switch (m_mode)
- {
- case SM_M_INIT:
- case SM_M_30:
- logerror("smartmedia: unexpected data port read\n");
- break;
- case SM_M_READ:
- case SM_M_RANDOM_DATA_OUTPUT:
- if (!m_mode_3065)
- {
- if (m_byte_addr < m_page_total_size)
- {
- reply = m_data_ptr[m_page_addr*m_page_total_size + m_byte_addr];
- }
- else
- {
- reply = 0xFF;
- }
- }
- else
- {
- reply = m_data_uid_ptr[m_page_addr*m_page_total_size + m_byte_addr];
- }
- m_byte_addr++;
- if ((m_byte_addr == m_page_total_size) && (m_sequential_row_read != 0))
- {
- m_byte_addr = (m_pointer_mode != SM_PM_C) ? 0 : m_page_data_size;
- m_page_addr++;
- if (m_page_addr == m_num_pages)
- m_page_addr = 0;
- }
- break;
- case SM_M_PROGRAM:
- case SM_M_RANDOM_DATA_INPUT:
- case SM_M_ERASE:
- logerror("smartmedia: unexpected data port read\n");
- break;
- case SM_M_READSTATUS:
- reply = m_status & 0xc1;
- break;
- case SM_M_READID:
- if (m_byte_addr < m_id_len)
- reply = m_id[m_byte_addr];
- else
- reply = 0;
- m_byte_addr++;
- break;
- }
-
- return reply;
-}
-
-/*
- write a byte to SmartMedia data port
-*/
-void nand_device::data_w(UINT8 data)
-{
- if (!is_present())
- return;
-
- switch (m_mode)
- {
- case SM_M_INIT:
- case SM_M_READ:
- case SM_M_30:
- case SM_M_RANDOM_DATA_OUTPUT:
- logerror("smartmedia: unexpected data port write\n");
- break;
- case SM_M_PROGRAM:
- case SM_M_RANDOM_DATA_INPUT:
- if (m_program_byte_count++ < m_page_total_size)
- {
- m_pagereg[m_byte_addr] = data;
- }
- m_byte_addr++;
- if (m_byte_addr == m_page_total_size)
- m_byte_addr = (m_pointer_mode != SM_PM_C) ? 0 : m_page_data_size;
- break;
- case SM_M_ERASE:
- case SM_M_READSTATUS:
- case SM_M_READID:
- logerror("smartmedia: unexpected data port write\n");
- break;
- }
-}
-
-
-/*
- Initialize one SmartMedia chip: may be called at driver init or image load
- time (or machine init time if you don't use MESS image core)
-*/
-void nand_device::device_reset()
-{
- m_mode = SM_M_INIT;
- m_pointer_mode = SM_PM_A;
- m_status = (m_status & 0x80) | 0x40;
- m_accumulated_status = 0;
-}
-
-
-const device_type SMARTMEDIA = &device_creator<smartmedia_image_device>;
-
-smartmedia_image_device::smartmedia_image_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
- : nand_device(mconfig, SMARTMEDIA, "SmartMedia Flash ROM", tag, owner, clock, "smartmedia", __FILE__),
- device_image_interface(mconfig, *this)
-{
-}
-
-void smartmedia_image_device::device_config_complete()
-{
- update_names();
-}